diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..a3aab7a --- /dev/null +++ b/.dockerignore @@ -0,0 +1,3 @@ +# More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file +# Ignore build and test binaries. +bin/ diff --git a/.golangci.yml b/.golangci.yml new file mode 100644 index 0000000..aed8644 --- /dev/null +++ b/.golangci.yml @@ -0,0 +1,40 @@ +run: + deadline: 5m + allow-parallel-runners: true + +issues: + # don't skip warning about doc comments + # don't exclude the default set of lint + exclude-use-default: false + # restore some of the defaults + # (fill in the rest as needed) + exclude-rules: + - path: "api/*" + linters: + - lll + - path: "internal/*" + linters: + - dupl + - lll +linters: + disable-all: true + enable: + - dupl + - errcheck + - exportloopref + - goconst + - gocyclo + - gofmt + - goimports + - gosimple + - govet + - ineffassign + - lll + - misspell + - nakedret + - prealloc + - staticcheck + - typecheck + - unconvert + - unparam + - unused diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..aca26f9 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,33 @@ +# Build the manager binary +FROM golang:1.21 AS builder +ARG TARGETOS +ARG TARGETARCH + +WORKDIR /workspace +# Copy the Go Modules manifests +COPY go.mod go.mod +COPY go.sum go.sum +# cache deps before building and copying source so that we don't need to re-download as much +# and so that source changes don't invalidate our downloaded layer +RUN go mod download + +# Copy the go source +COPY cmd/main.go cmd/main.go +COPY api/ api/ +COPY internal/controller/ internal/controller/ + +# Build +# the GOARCH has not a default value to allow the binary be built according to the host where the command +# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO +# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore, +# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform. +RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go + +# Use distroless as minimal base image to package the manager binary +# Refer to https://github.com/GoogleContainerTools/distroless for more details +FROM gcr.io/distroless/static:nonroot +WORKDIR / +COPY --from=builder /workspace/manager . +USER 65532:65532 + +ENTRYPOINT ["/manager"] diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..b397beb --- /dev/null +++ b/Makefile @@ -0,0 +1,198 @@ +# Image URL to use all building/pushing image targets +IMG ?= controller:latest +# ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary. +ENVTEST_K8S_VERSION = 1.29.0 + +# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set) +ifeq (,$(shell go env GOBIN)) +GOBIN=$(shell go env GOPATH)/bin +else +GOBIN=$(shell go env GOBIN) +endif + +# CONTAINER_TOOL defines the container tool to be used for building images. +# Be aware that the target commands are only tested with Docker which is +# scaffolded by default. However, you might want to replace it to use other +# tools. (i.e. podman) +CONTAINER_TOOL ?= docker + +# Setting SHELL to bash allows bash commands to be executed by recipes. +# Options are set to exit when a recipe line exits non-zero or a piped command fails. +SHELL = /usr/bin/env bash -o pipefail +.SHELLFLAGS = -ec + +.PHONY: all +all: build + +##@ General + +# The help target prints out all targets with their descriptions organized +# beneath their categories. The categories are represented by '##@' and the +# target descriptions by '##'. The awk command is responsible for reading the +# entire set of makefiles included in this invocation, looking for lines of the +# file as xyz: ## something, and then pretty-format the target and help. Then, +# if there's a line with ##@ something, that gets pretty-printed as a category. +# More info on the usage of ANSI control characters for terminal formatting: +# https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters +# More info on the awk command: +# http://linuxcommand.org/lc3_adv_awk.php + +.PHONY: help +help: ## Display this help. + @awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n make \033[36m\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf " \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST) + +##@ Development + +.PHONY: manifests +manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects. + $(CONTROLLER_GEN) rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases + +.PHONY: generate +generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations. + $(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..." + +.PHONY: fmt +fmt: ## Run go fmt against code. + go fmt ./... + +.PHONY: vet +vet: ## Run go vet against code. + go vet ./... + +.PHONY: test +test: manifests generate fmt vet envtest ## Run tests. + KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test $$(go list ./... | grep -v /e2e) -coverprofile cover.out + +# Utilize Kind or modify the e2e tests to load the image locally, enabling compatibility with other vendors. +.PHONY: test-e2e # Run the e2e tests against a Kind k8s instance that is spun up. +test-e2e: + go test ./test/e2e/ -v -ginkgo.v + +.PHONY: lint +lint: golangci-lint ## Run golangci-lint linter & yamllint + $(GOLANGCI_LINT) run + +.PHONY: lint-fix +lint-fix: golangci-lint ## Run golangci-lint linter and perform fixes + $(GOLANGCI_LINT) run --fix + +##@ Build + +.PHONY: build +build: manifests generate fmt vet ## Build manager binary. + go build -o bin/manager cmd/main.go + +.PHONY: run +run: manifests generate fmt vet ## Run a controller from your host. + go run ./cmd/main.go + +# If you wish to build the manager image targeting other platforms you can use the --platform flag. +# (i.e. docker build --platform linux/arm64). However, you must enable docker buildKit for it. +# More info: https://docs.docker.com/develop/develop-images/build_enhancements/ +.PHONY: docker-build +docker-build: ## Build docker image with the manager. + $(CONTAINER_TOOL) build -t ${IMG} . + +.PHONY: docker-push +docker-push: ## Push docker image with the manager. + $(CONTAINER_TOOL) push ${IMG} + +# PLATFORMS defines the target platforms for the manager image be built to provide support to multiple +# architectures. (i.e. make docker-buildx IMG=myregistry/mypoperator:0.0.1). To use this option you need to: +# - be able to use docker buildx. More info: https://docs.docker.com/build/buildx/ +# - have enabled BuildKit. More info: https://docs.docker.com/develop/develop-images/build_enhancements/ +# - be able to push the image to your registry (i.e. if you do not set a valid value via IMG=> then the export will fail) +# To adequately provide solutions that are compatible with multiple platforms, you should consider using this option. +PLATFORMS ?= linux/arm64,linux/amd64,linux/s390x,linux/ppc64le +.PHONY: docker-buildx +docker-buildx: ## Build and push docker image for the manager for cross-platform support + # copy existing Dockerfile and insert --platform=${BUILDPLATFORM} into Dockerfile.cross, and preserve the original Dockerfile + sed -e '1 s/\(^FROM\)/FROM --platform=\$$\{BUILDPLATFORM\}/; t' -e ' 1,// s//FROM --platform=\$$\{BUILDPLATFORM\}/' Dockerfile > Dockerfile.cross + - $(CONTAINER_TOOL) buildx create --name project-v3-builder + $(CONTAINER_TOOL) buildx use project-v3-builder + - $(CONTAINER_TOOL) buildx build --push --platform=$(PLATFORMS) --tag ${IMG} -f Dockerfile.cross . + - $(CONTAINER_TOOL) buildx rm project-v3-builder + rm Dockerfile.cross + +.PHONY: build-installer +build-installer: manifests generate kustomize ## Generate a consolidated YAML with CRDs and deployment. + mkdir -p dist + cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG} + $(KUSTOMIZE) build config/default > dist/install.yaml + +##@ Deployment + +ifndef ignore-not-found + ignore-not-found = false +endif + +.PHONY: install +install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config. + $(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f - + +.PHONY: uninstall +uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. + $(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f - + +.PHONY: deploy +deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config. + cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG} + $(KUSTOMIZE) build config/default | $(KUBECTL) apply -f - + +.PHONY: undeploy +undeploy: kustomize ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. + $(KUSTOMIZE) build config/default | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f - + +##@ Dependencies + +## Location to install dependencies to +LOCALBIN ?= $(shell pwd)/bin +$(LOCALBIN): + mkdir -p $(LOCALBIN) + +## Tool Binaries +KUBECTL ?= kubectl +KUSTOMIZE ?= $(LOCALBIN)/kustomize-$(KUSTOMIZE_VERSION) +CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen-$(CONTROLLER_TOOLS_VERSION) +ENVTEST ?= $(LOCALBIN)/setup-envtest-$(ENVTEST_VERSION) +GOLANGCI_LINT = $(LOCALBIN)/golangci-lint-$(GOLANGCI_LINT_VERSION) + +## Tool Versions +KUSTOMIZE_VERSION ?= v5.3.0 +CONTROLLER_TOOLS_VERSION ?= v0.14.0 +ENVTEST_VERSION ?= release-0.17 +GOLANGCI_LINT_VERSION ?= v1.54.2 + +.PHONY: kustomize +kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. +$(KUSTOMIZE): $(LOCALBIN) + $(call go-install-tool,$(KUSTOMIZE),sigs.k8s.io/kustomize/kustomize/v5,$(KUSTOMIZE_VERSION)) + +.PHONY: controller-gen +controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. +$(CONTROLLER_GEN): $(LOCALBIN) + $(call go-install-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/controller-gen,$(CONTROLLER_TOOLS_VERSION)) + +.PHONY: envtest +envtest: $(ENVTEST) ## Download setup-envtest locally if necessary. +$(ENVTEST): $(LOCALBIN) + $(call go-install-tool,$(ENVTEST),sigs.k8s.io/controller-runtime/tools/setup-envtest,$(ENVTEST_VERSION)) + +.PHONY: golangci-lint +golangci-lint: $(GOLANGCI_LINT) ## Download golangci-lint locally if necessary. +$(GOLANGCI_LINT): $(LOCALBIN) + $(call go-install-tool,$(GOLANGCI_LINT),github.com/golangci/golangci-lint/cmd/golangci-lint,${GOLANGCI_LINT_VERSION}) + +# go-install-tool will 'go install' any package with custom target and name of binary, if it doesn't exist +# $1 - target path with name of binary (ideally with version) +# $2 - package url which can be installed +# $3 - specific version of package +define go-install-tool +@[ -f $(1) ] || { \ +set -e; \ +package=$(2)@$(3) ;\ +echo "Downloading $${package}" ;\ +GOBIN=$(LOCALBIN) go install $${package} ;\ +mv "$$(echo "$(1)" | sed "s/-$(3)$$//")" $(1) ;\ +} +endef diff --git a/PROJECT b/PROJECT new file mode 100644 index 0000000..19b127a --- /dev/null +++ b/PROJECT @@ -0,0 +1,19 @@ +# Code generated by tool. DO NOT EDIT. +# This file is used to track the info used to scaffold your project +# and allow the plugins properly work. +# More info: https://book.kubebuilder.io/reference/project-config.html +domain: devops-engineer.com.cn +layout: +- go.kubebuilder.io/v4 +projectName: upgrade-controller +repo: github.com/gitlayzer/upgrade-controller +resources: +- api: + crdVersion: v1 + namespaced: true + controller: true + domain: devops-engineer.com.cn + kind: UpGrade + path: github.com/gitlayzer/upgrade-controller/api/v1alpha1 + version: v1alpha1 +version: "3" diff --git a/README.md b/README.md index d73b8e2..0eb3b9d 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,78 @@ # upgrade-controller This is a controller that can upgrade Pods in a Deployment in place. + +![](./logo/Upgrade.png) + +Upgrade 是一个用于原地升级 K8S Deployment 中的 Pod 的控制器 +### Prerequisites + +- go version v1.21.0+ +- docker version 17.03+. +- kubectl version v1.11.3+. +- Access to a Kubernetes v1.11.3+ cluster. + +### Quick Start + +```shell +# Clone the repository +git clone https://github.com/gitlayzer/upgrade-controller.git + +# Go to the controller directory +cd upgrade-controller + +# Install the CRD +make install + +# Run the controller +make run + +# Deploy an example Deployment +kubectl apply -f config/samples/samplle-nginx.yaml + +# Deploy an example Deployment +kubectl apply -f config/samples/_v1alpha1_upgrade.yaml + +# Check Pods status +root@ubuntu:~# kubectl get pod -o custom-columns=POD_NAME:.spec.containers[*].name,POD_IMAGE:.spec.containers[*].image,PODIP:.status.podIP,START_TIME:.status.startTime +POD_NAME POD_IMAGE PODIP START_TIME +nginx nginx:alpine 10.244.1.34 2024-04-22T10:16:29Z +nginx nginx:alpine 10.244.1.33 2024-04-22T10:16:29Z +nginx nginx:alpine 10.244.1.32 2024-04-22T10:16:29Z + +# Check Upgraded Pods status +root@ubuntu:~# kubectl get pod -o custom-columns=POD_NAME:.spec.containers[*].name,POD_IMAGE:.spec.containers[*].image,PODIP:.status.podIP,START_TIME:.status.startTime +POD_NAME POD_IMAGE PODIP START_TIME +nginx nginx:1.25.4 10.244.1.34 2024-04-22T10:16:29Z +nginx nginx:1.25.4 10.244.1.33 2024-04-22T10:16:29Z +nginx nginx:1.25.4 10.244.1.32 2024-04-22T10:16:29Z + +# Check Upgrade status +root@ubuntu:~# kubectl get upgrades upgrade-nginx +NAME UPGRADERREPLICAS UPGRADERDEPLOYMENT UPGRADERTYPE UPGRADERSTATUS AGE +upgrade-nginx 3 nginx upgrade Successful 2m6s + +# Check Controller logs +root@ubuntu:~/upgrade-controller# make run +/root/upgrade-controller/bin/controller-gen-v0.14.0 rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases +/root/upgrade-controller/bin/controller-gen-v0.14.0 object:headerFile="hack/boilerplate.go.txt" paths="./..." +go fmt ./... +go vet ./... +go run ./cmd/main.go +2024-04-22T18:24:51+08:00 INFO setup starting manager +2024-04-22T18:24:51+08:00 INFO controller-runtime.metrics Starting metrics server +2024-04-22T18:24:51+08:00 INFO starting server {"kind": "health probe", "addr": "[::]:8081"} +2024-04-22T18:24:51+08:00 INFO controller-runtime.metrics Serving metrics server {"bindAddress": ":8080", "secure": false} +2024-04-22T18:24:51+08:00 INFO Starting EventSource {"controller": "upgrade", "controllerGroup": "devops-engineer.com.cn", "controllerKind": "UpGrade", "source": "kind source: *v1alpha1.UpGrade"} +2024-04-22T18:24:51+08:00 INFO Starting Controller {"controller": "upgrade", "controllerGroup": "devops-engineer.com.cn", "controllerKind": "UpGrade"} +2024-04-22T18:24:51+08:00 INFO Starting workers {"controller": "upgrade", "controllerGroup": "devops-engineer.com.cn", "controllerKind": "UpGrade", "worker count": 1} +I0422 18:37:15.116166 3991587 upgrade_controller.go:79] UpGrade type is upgrade +I0422 18:37:15.132634 3991587 upgrade.go:24] Start to upgrade pod nginx-7494f5f88c-869w7 +I0422 18:37:15.141965 3991587 upgrade.go:58] Upgrade pod success +I0422 18:37:15.142722 3991587 upgrade.go:24] Start to upgrade pod nginx-7494f5f88c-bbdnc +I0422 18:37:15.149261 3991587 upgrade.go:58] Upgrade pod success +I0422 18:37:15.149824 3991587 upgrade.go:24] Start to upgrade pod nginx-7494f5f88c-xcdsl +I0422 18:37:15.158018 3991587 upgrade.go:58] Upgrade pod success +I0422 18:37:15.169933 3991587 upgrade_controller.go:74] UpGrade pod is successful +I0422 18:37:15.170140 3991587 upgrade_controller.go:74] UpGrade pod is successful +I0422 18:39:16.421543 3991587 upgrade_controller.go:74] UpGrade pod is successful +``` \ No newline at end of file diff --git a/api/v1alpha1/groupversion_info.go b/api/v1alpha1/groupversion_info.go new file mode 100644 index 0000000..8531fbd --- /dev/null +++ b/api/v1alpha1/groupversion_info.go @@ -0,0 +1,36 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +// Package v1alpha1 contains API Schema definitions for the v1alpha1 API group +// +kubebuilder:object:generate=true +// +groupName=devops-engineer.com.cn +package v1alpha1 + +import ( + "k8s.io/apimachinery/pkg/runtime/schema" + "sigs.k8s.io/controller-runtime/pkg/scheme" +) + +var ( + // GroupVersion is group version used to register these objects + GroupVersion = schema.GroupVersion{Group: "devops-engineer.com.cn", Version: "v1alpha1"} + + // SchemeBuilder is used to add go types to the GroupVersionKind scheme + SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion} + + // AddToScheme adds the types in this group-version to the given scheme. + AddToScheme = SchemeBuilder.AddToScheme +) diff --git a/api/v1alpha1/upgrade_types.go b/api/v1alpha1/upgrade_types.go new file mode 100644 index 0000000..50808cc --- /dev/null +++ b/api/v1alpha1/upgrade_types.go @@ -0,0 +1,76 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package v1alpha1 + +import ( + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +// EDIT THIS FILE! THIS IS SCAFFOLDING FOR YOU TO OWN! +// NOTE: json tags are required. Any new fields you add must have json tags for the fields to be serialized. + +// UpGradeSpec defines the desired state of UpGrade +type UpGradeSpec struct { + Type string `json:"type"` + DeploymentRef DeploymentRef `json:"deploymentRef"` + UpgradeReplicas int `json:"upgradeReplicas"` + Images []images `json:"images"` +} + +type DeploymentRef struct { + Name string `json:"name"` + Namespace string `json:"namespace"` +} + +type images struct { + Image string `json:"image"` +} + +// UpGradeStatus defines the observed state of UpGrade +type UpGradeStatus struct { + // Type 类型主要是 upgrade + Type string `json:"type"` + // Status 状态 + Status string `json:"status"` + // UpGradeReplicas 升级的副本数 + UpGradeReplicas int `json:"upgradeReplicas"` +} + +//+kubebuilder:object:root=true +//+kubebuilder:subresource:status + +// UpGrade is the Schema for the upgrades API +type UpGrade struct { + metav1.TypeMeta `json:",inline"` + metav1.ObjectMeta `json:"metadata,omitempty"` + + Spec UpGradeSpec `json:"spec,omitempty"` + Status UpGradeStatus `json:"status,omitempty"` +} + +//+kubebuilder:object:root=true + +// UpGradeList contains a list of UpGrade +type UpGradeList struct { + metav1.TypeMeta `json:",inline"` + metav1.ListMeta `json:"metadata,omitempty"` + Items []UpGrade `json:"items"` +} + +func init() { + SchemeBuilder.Register(&UpGrade{}, &UpGradeList{}) +} diff --git a/api/v1alpha1/zz_generated.deepcopy.go b/api/v1alpha1/zz_generated.deepcopy.go new file mode 100644 index 0000000..3e6fbf9 --- /dev/null +++ b/api/v1alpha1/zz_generated.deepcopy.go @@ -0,0 +1,135 @@ +//go:build !ignore_autogenerated + +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +// Code generated by controller-gen. DO NOT EDIT. + +package v1alpha1 + +import ( + runtime "k8s.io/apimachinery/pkg/runtime" +) + +// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. +func (in *DeploymentRef) DeepCopyInto(out *DeploymentRef) { + *out = *in +} + +// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DeploymentRef. +func (in *DeploymentRef) DeepCopy() *DeploymentRef { + if in == nil { + return nil + } + out := new(DeploymentRef) + in.DeepCopyInto(out) + return out +} + +// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. +func (in *UpGrade) DeepCopyInto(out *UpGrade) { + *out = *in + out.TypeMeta = in.TypeMeta + in.ObjectMeta.DeepCopyInto(&out.ObjectMeta) + in.Spec.DeepCopyInto(&out.Spec) + out.Status = in.Status +} + +// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new UpGrade. +func (in *UpGrade) DeepCopy() *UpGrade { + if in == nil { + return nil + } + out := new(UpGrade) + in.DeepCopyInto(out) + return out +} + +// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object. +func (in *UpGrade) DeepCopyObject() runtime.Object { + if c := in.DeepCopy(); c != nil { + return c + } + return nil +} + +// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. +func (in *UpGradeList) DeepCopyInto(out *UpGradeList) { + *out = *in + out.TypeMeta = in.TypeMeta + in.ListMeta.DeepCopyInto(&out.ListMeta) + if in.Items != nil { + in, out := &in.Items, &out.Items + *out = make([]UpGrade, len(*in)) + for i := range *in { + (*in)[i].DeepCopyInto(&(*out)[i]) + } + } +} + +// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new UpGradeList. +func (in *UpGradeList) DeepCopy() *UpGradeList { + if in == nil { + return nil + } + out := new(UpGradeList) + in.DeepCopyInto(out) + return out +} + +// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object. +func (in *UpGradeList) DeepCopyObject() runtime.Object { + if c := in.DeepCopy(); c != nil { + return c + } + return nil +} + +// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. +func (in *UpGradeSpec) DeepCopyInto(out *UpGradeSpec) { + *out = *in + out.DeploymentRef = in.DeploymentRef + if in.Images != nil { + in, out := &in.Images, &out.Images + *out = make([]images, len(*in)) + copy(*out, *in) + } +} + +// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new UpGradeSpec. +func (in *UpGradeSpec) DeepCopy() *UpGradeSpec { + if in == nil { + return nil + } + out := new(UpGradeSpec) + in.DeepCopyInto(out) + return out +} + +// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. +func (in *UpGradeStatus) DeepCopyInto(out *UpGradeStatus) { + *out = *in +} + +// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new UpGradeStatus. +func (in *UpGradeStatus) DeepCopy() *UpGradeStatus { + if in == nil { + return nil + } + out := new(UpGradeStatus) + in.DeepCopyInto(out) + return out +} diff --git a/cmd/main.go b/cmd/main.go new file mode 100644 index 0000000..060e8c0 --- /dev/null +++ b/cmd/main.go @@ -0,0 +1,148 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package main + +import ( + "crypto/tls" + "flag" + "os" + + // Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.) + // to ensure that exec-entrypoint and run can make use of them. + _ "k8s.io/client-go/plugin/pkg/client/auth" + + "k8s.io/apimachinery/pkg/runtime" + utilruntime "k8s.io/apimachinery/pkg/util/runtime" + clientgoscheme "k8s.io/client-go/kubernetes/scheme" + ctrl "sigs.k8s.io/controller-runtime" + "sigs.k8s.io/controller-runtime/pkg/healthz" + "sigs.k8s.io/controller-runtime/pkg/log/zap" + metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server" + "sigs.k8s.io/controller-runtime/pkg/webhook" + + devopsengineercomcnv1alpha1 "github.com/gitlayzer/upgrade-controller/api/v1alpha1" + "github.com/gitlayzer/upgrade-controller/internal/controller" + //+kubebuilder:scaffold:imports +) + +var ( + scheme = runtime.NewScheme() + setupLog = ctrl.Log.WithName("setup") +) + +func init() { + utilruntime.Must(clientgoscheme.AddToScheme(scheme)) + + utilruntime.Must(devopsengineercomcnv1alpha1.AddToScheme(scheme)) + //+kubebuilder:scaffold:scheme +} + +func main() { + var metricsAddr string + var enableLeaderElection bool + var probeAddr string + var secureMetrics bool + var enableHTTP2 bool + flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.") + flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.") + flag.BoolVar(&enableLeaderElection, "leader-elect", false, + "Enable leader election for controller manager. "+ + "Enabling this will ensure there is only one active controller manager.") + flag.BoolVar(&secureMetrics, "metrics-secure", false, + "If set the metrics endpoint is served securely") + flag.BoolVar(&enableHTTP2, "enable-http2", false, + "If set, HTTP/2 will be enabled for the metrics and webhook servers") + opts := zap.Options{ + Development: true, + } + opts.BindFlags(flag.CommandLine) + flag.Parse() + + ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts))) + + // if the enable-http2 flag is false (the default), http/2 should be disabled + // due to its vulnerabilities. More specifically, disabling http/2 will + // prevent from being vulnerable to the HTTP/2 Stream Cancellation and + // Rapid Reset CVEs. For more information see: + // - https://github.com/advisories/GHSA-qppj-fm5r-hxr3 + // - https://github.com/advisories/GHSA-4374-p667-p6c8 + disableHTTP2 := func(c *tls.Config) { + setupLog.Info("disabling http/2") + c.NextProtos = []string{"http/1.1"} + } + + tlsOpts := []func(*tls.Config){} + if !enableHTTP2 { + tlsOpts = append(tlsOpts, disableHTTP2) + } + + webhookServer := webhook.NewServer(webhook.Options{ + TLSOpts: tlsOpts, + }) + + mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{ + Scheme: scheme, + Metrics: metricsserver.Options{ + BindAddress: metricsAddr, + SecureServing: secureMetrics, + TLSOpts: tlsOpts, + }, + WebhookServer: webhookServer, + HealthProbeBindAddress: probeAddr, + LeaderElection: enableLeaderElection, + LeaderElectionID: "4bc71969.devops-engineer.com.cn", + // LeaderElectionReleaseOnCancel defines if the leader should step down voluntarily + // when the Manager ends. This requires the binary to immediately end when the + // Manager is stopped, otherwise, this setting is unsafe. Setting this significantly + // speeds up voluntary leader transitions as the new leader don't have to wait + // LeaseDuration time first. + // + // In the default scaffold provided, the program ends immediately after + // the manager stops, so would be fine to enable this option. However, + // if you are doing or is intended to do any operation such as perform cleanups + // after the manager stops then its usage might be unsafe. + // LeaderElectionReleaseOnCancel: true, + }) + if err != nil { + setupLog.Error(err, "unable to start manager") + os.Exit(1) + } + + if err = (&controller.UpGradeReconciler{ + Client: mgr.GetClient(), + Scheme: mgr.GetScheme(), + }).SetupWithManager(mgr); err != nil { + setupLog.Error(err, "unable to create controller", "controller", "UpGrade") + os.Exit(1) + } + //+kubebuilder:scaffold:builder + + if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil { + setupLog.Error(err, "unable to set up health check") + os.Exit(1) + } + if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil { + setupLog.Error(err, "unable to set up ready check") + os.Exit(1) + } + + setupLog.Info("starting manager") + if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil { + setupLog.Error(err, "problem running manager") + os.Exit(1) + } +} diff --git a/config/crd/bases/devops-engineer.com.cn_upgrades.yaml b/config/crd/bases/devops-engineer.com.cn_upgrades.yaml new file mode 100644 index 0000000..fd806c1 --- /dev/null +++ b/config/crd/bases/devops-engineer.com.cn_upgrades.yaml @@ -0,0 +1,106 @@ +--- +apiVersion: apiextensions.k8s.io/v1 +kind: CustomResourceDefinition +metadata: + annotations: + controller-gen.kubebuilder.io/version: v0.14.0 + name: upgrades.devops-engineer.com.cn +spec: + group: devops-engineer.com.cn + names: + kind: UpGrade + listKind: UpGradeList + plural: upgrades + singular: upgrade + shortNames: + - upgrade + categories: + - all + scope: Namespaced + versions: + - name: v1alpha1 + served: true + storage: true + schema: + openAPIV3Schema: + description: This is the API to update the Deployment's upgrade + type: object + properties: + spec: + description: UpGradeSpec defines the desired state of UpGrade + type: object + properties: + type: + description: Type is the type of the UpGrade + type: string + deploymentRef: + description: DeploymentRef is the reference to the deployment that needs to be upgraded + type: object + properties: + name: + description: Name is the name of the deployment + type: string + namespace: + description: Namespace is the namespace of the deployment + type: string + required: + - name + - namespace + images: + description: Images is the list of images that needs to be upgraded + type: array + items: + type: object + properties: + image: + description: Define the image that needs to be upgraded + type: string + required: + - image + upgradeReplicas: + description: Define the number of replicas for the UpGrade + type: integer + required: + - deploymentRef + - images + - type + - upgradeReplicas + status: + description: UpGradeStatus defines the observed state of UpGrade + type: object + properties: + status: + description: Status is the status of the upgrade + type: string + type: + description: Type is the type of the UpGrader + type: string + upgradeReplicas: + description: UpgradeReplicas is the number of replicas for the UpGrade + type: integer + subresources: + status: {} + scale: + specReplicasPath: .spec.upgradeReplicas + statusReplicasPath: .status.UpGradeReplicas + additionalPrinterColumns: + - name: UpGraderReplicas + type: integer + description: UpGraderReplicas is the number of replicas for the UpGrader + jsonPath: .spec.upgradeReplicas + - name: UpGraderDeployment + type: string + description: UpGraderDeployment is the deployment name for the UpGrader + jsonPath: .spec.deploymentRef.name + - name: UpGraderType + type: string + description: UpGraderType is the type of the UpGrader + jsonPath: .spec.type + - name: UpGraderStatus + type: string + description: UpGraderStatus is the status of the UpGrader + jsonPath: .status.status + - name: Age + type: date + description: Age is the time when the UpGrader was created + jsonPath: .metadata.creationTimestamp diff --git a/config/crd/kustomization.yaml b/config/crd/kustomization.yaml new file mode 100644 index 0000000..9786102 --- /dev/null +++ b/config/crd/kustomization.yaml @@ -0,0 +1,23 @@ +# This kustomization.yaml is not intended to be run by itself, +# since it depends on service name and namespace that are out of this kustomize package. +# It should be run by config/default +resources: +- bases/devops-engineer.com.cn_upgrades.yaml +#+kubebuilder:scaffold:crdkustomizeresource + +patches: +# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix. +# patches here are for enabling the conversion webhook for each CRD +#- path: patches/webhook_in_upgrades.yaml +#+kubebuilder:scaffold:crdkustomizewebhookpatch + +# [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix. +# patches here are for enabling the CA injection for each CRD +#- path: patches/cainjection_in_upgrades.yaml +#+kubebuilder:scaffold:crdkustomizecainjectionpatch + +# [WEBHOOK] To enable webhook, uncomment the following section +# the following config is for teaching kustomize how to do kustomization for CRDs. + +#configurations: +#- kustomizeconfig.yaml diff --git a/config/crd/kustomizeconfig.yaml b/config/crd/kustomizeconfig.yaml new file mode 100644 index 0000000..ec5c150 --- /dev/null +++ b/config/crd/kustomizeconfig.yaml @@ -0,0 +1,19 @@ +# This file is for teaching kustomize how to substitute name and namespace reference in CRD +nameReference: +- kind: Service + version: v1 + fieldSpecs: + - kind: CustomResourceDefinition + version: v1 + group: apiextensions.k8s.io + path: spec/conversion/webhook/clientConfig/service/name + +namespace: +- kind: CustomResourceDefinition + version: v1 + group: apiextensions.k8s.io + path: spec/conversion/webhook/clientConfig/service/namespace + create: false + +varReference: +- path: metadata/annotations diff --git a/config/default/kustomization.yaml b/config/default/kustomization.yaml new file mode 100644 index 0000000..5124604 --- /dev/null +++ b/config/default/kustomization.yaml @@ -0,0 +1,142 @@ +# Adds namespace to all resources. +namespace: upgrade-controller-system + +# Value of this field is prepended to the +# names of all resources, e.g. a deployment named +# "wordpress" becomes "alices-wordpress". +# Note that it should also match with the prefix (text before '-') of the namespace +# field above. +namePrefix: upgrade-controller- + +# Labels to add to all resources and selectors. +#labels: +#- includeSelectors: true +# pairs: +# someName: someValue + +resources: +- ../crd +- ../rbac +- ../manager +# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in +# crd/kustomization.yaml +#- ../webhook +# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. 'WEBHOOK' components are required. +#- ../certmanager +# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'. +#- ../prometheus + +patches: +# Protect the /metrics endpoint by putting it behind auth. +# If you want your controller-manager to expose the /metrics +# endpoint w/o any authn/z, please comment the following line. +- path: manager_auth_proxy_patch.yaml + +# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in +# crd/kustomization.yaml +#- path: manager_webhook_patch.yaml + +# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. +# Uncomment 'CERTMANAGER' sections in crd/kustomization.yaml to enable the CA injection in the admission webhooks. +# 'CERTMANAGER' needs to be enabled to use ca injection +#- path: webhookcainjection_patch.yaml + +# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER' prefix. +# Uncomment the following replacements to add the cert-manager CA injection annotations +#replacements: +# - source: # Add cert-manager annotation to ValidatingWebhookConfiguration, MutatingWebhookConfiguration and CRDs +# kind: Certificate +# group: cert-manager.io +# version: v1 +# name: serving-cert # this name should match the one in certificate.yaml +# fieldPath: .metadata.namespace # namespace of the certificate CR +# targets: +# - select: +# kind: ValidatingWebhookConfiguration +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 0 +# create: true +# - select: +# kind: MutatingWebhookConfiguration +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 0 +# create: true +# - select: +# kind: CustomResourceDefinition +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 0 +# create: true +# - source: +# kind: Certificate +# group: cert-manager.io +# version: v1 +# name: serving-cert # this name should match the one in certificate.yaml +# fieldPath: .metadata.name +# targets: +# - select: +# kind: ValidatingWebhookConfiguration +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 1 +# create: true +# - select: +# kind: MutatingWebhookConfiguration +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 1 +# create: true +# - select: +# kind: CustomResourceDefinition +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 1 +# create: true +# - source: # Add cert-manager annotation to the webhook Service +# kind: Service +# version: v1 +# name: webhook-service +# fieldPath: .metadata.name # namespace of the service +# targets: +# - select: +# kind: Certificate +# group: cert-manager.io +# version: v1 +# fieldPaths: +# - .spec.dnsNames.0 +# - .spec.dnsNames.1 +# options: +# delimiter: '.' +# index: 0 +# create: true +# - source: +# kind: Service +# version: v1 +# name: webhook-service +# fieldPath: .metadata.namespace # namespace of the service +# targets: +# - select: +# kind: Certificate +# group: cert-manager.io +# version: v1 +# fieldPaths: +# - .spec.dnsNames.0 +# - .spec.dnsNames.1 +# options: +# delimiter: '.' +# index: 1 +# create: true diff --git a/config/default/manager_auth_proxy_patch.yaml b/config/default/manager_auth_proxy_patch.yaml new file mode 100644 index 0000000..70c3437 --- /dev/null +++ b/config/default/manager_auth_proxy_patch.yaml @@ -0,0 +1,39 @@ +# This patch inject a sidecar container which is a HTTP proxy for the +# controller manager, it performs RBAC authorization against the Kubernetes API using SubjectAccessReviews. +apiVersion: apps/v1 +kind: Deployment +metadata: + name: controller-manager + namespace: system +spec: + template: + spec: + containers: + - name: kube-rbac-proxy + securityContext: + allowPrivilegeEscalation: false + capabilities: + drop: + - "ALL" + image: gcr.io/kubebuilder/kube-rbac-proxy:v0.15.0 + args: + - "--secure-listen-address=0.0.0.0:8443" + - "--upstream=http://127.0.0.1:8080/" + - "--logtostderr=true" + - "--v=0" + ports: + - containerPort: 8443 + protocol: TCP + name: https + resources: + limits: + cpu: 500m + memory: 128Mi + requests: + cpu: 5m + memory: 64Mi + - name: manager + args: + - "--health-probe-bind-address=:8081" + - "--metrics-bind-address=127.0.0.1:8080" + - "--leader-elect" diff --git a/config/default/manager_config_patch.yaml b/config/default/manager_config_patch.yaml new file mode 100644 index 0000000..f6f5891 --- /dev/null +++ b/config/default/manager_config_patch.yaml @@ -0,0 +1,10 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: controller-manager + namespace: system +spec: + template: + spec: + containers: + - name: manager diff --git a/config/manager/kustomization.yaml b/config/manager/kustomization.yaml new file mode 100644 index 0000000..5c5f0b8 --- /dev/null +++ b/config/manager/kustomization.yaml @@ -0,0 +1,2 @@ +resources: +- manager.yaml diff --git a/config/manager/manager.yaml b/config/manager/manager.yaml new file mode 100644 index 0000000..c88ed4b --- /dev/null +++ b/config/manager/manager.yaml @@ -0,0 +1,102 @@ +apiVersion: v1 +kind: Namespace +metadata: + labels: + control-plane: controller-manager + app.kubernetes.io/name: namespace + app.kubernetes.io/instance: system + app.kubernetes.io/component: manager + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: system +--- +apiVersion: apps/v1 +kind: Deployment +metadata: + name: controller-manager + namespace: system + labels: + control-plane: controller-manager + app.kubernetes.io/name: deployment + app.kubernetes.io/instance: controller-manager + app.kubernetes.io/component: manager + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize +spec: + selector: + matchLabels: + control-plane: controller-manager + replicas: 1 + template: + metadata: + annotations: + kubectl.kubernetes.io/default-container: manager + labels: + control-plane: controller-manager + spec: + # TODO(user): Uncomment the following code to configure the nodeAffinity expression + # according to the platforms which are supported by your solution. + # It is considered best practice to support multiple architectures. You can + # build your manager image using the makefile target docker-buildx. + # affinity: + # nodeAffinity: + # requiredDuringSchedulingIgnoredDuringExecution: + # nodeSelectorTerms: + # - matchExpressions: + # - key: kubernetes.io/arch + # operator: In + # values: + # - amd64 + # - arm64 + # - ppc64le + # - s390x + # - key: kubernetes.io/os + # operator: In + # values: + # - linux + securityContext: + runAsNonRoot: true + # TODO(user): For common cases that do not require escalating privileges + # it is recommended to ensure that all your Pods/Containers are restrictive. + # More info: https://kubernetes.io/docs/concepts/security/pod-security-standards/#restricted + # Please uncomment the following code if your project does NOT have to work on old Kubernetes + # versions < 1.19 or on vendors versions which do NOT support this field by default (i.e. Openshift < 4.11 ). + # seccompProfile: + # type: RuntimeDefault + containers: + - command: + - /manager + args: + - --leader-elect + image: controller:latest + name: manager + securityContext: + allowPrivilegeEscalation: false + capabilities: + drop: + - "ALL" + livenessProbe: + httpGet: + path: /healthz + port: 8081 + initialDelaySeconds: 15 + periodSeconds: 20 + readinessProbe: + httpGet: + path: /readyz + port: 8081 + initialDelaySeconds: 5 + periodSeconds: 10 + # TODO(user): Configure the resources accordingly based on the project requirements. + # More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + resources: + limits: + cpu: 500m + memory: 128Mi + requests: + cpu: 10m + memory: 64Mi + serviceAccountName: controller-manager + terminationGracePeriodSeconds: 10 diff --git a/config/prometheus/kustomization.yaml b/config/prometheus/kustomization.yaml new file mode 100644 index 0000000..ed13716 --- /dev/null +++ b/config/prometheus/kustomization.yaml @@ -0,0 +1,2 @@ +resources: +- monitor.yaml diff --git a/config/prometheus/monitor.yaml b/config/prometheus/monitor.yaml new file mode 100644 index 0000000..ff7f601 --- /dev/null +++ b/config/prometheus/monitor.yaml @@ -0,0 +1,25 @@ +# Prometheus Monitor Service (Metrics) +apiVersion: monitoring.coreos.com/v1 +kind: ServiceMonitor +metadata: + labels: + control-plane: controller-manager + app.kubernetes.io/name: servicemonitor + app.kubernetes.io/instance: controller-manager-metrics-monitor + app.kubernetes.io/component: metrics + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: controller-manager-metrics-monitor + namespace: system +spec: + endpoints: + - path: /metrics + port: https + scheme: https + bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token + tlsConfig: + insecureSkipVerify: true + selector: + matchLabels: + control-plane: controller-manager diff --git a/config/rbac/auth_proxy_client_clusterrole.yaml b/config/rbac/auth_proxy_client_clusterrole.yaml new file mode 100644 index 0000000..8db6aa4 --- /dev/null +++ b/config/rbac/auth_proxy_client_clusterrole.yaml @@ -0,0 +1,16 @@ +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + labels: + app.kubernetes.io/name: clusterrole + app.kubernetes.io/instance: metrics-reader + app.kubernetes.io/component: kube-rbac-proxy + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: metrics-reader +rules: +- nonResourceURLs: + - "/metrics" + verbs: + - get diff --git a/config/rbac/auth_proxy_role.yaml b/config/rbac/auth_proxy_role.yaml new file mode 100644 index 0000000..deb6140 --- /dev/null +++ b/config/rbac/auth_proxy_role.yaml @@ -0,0 +1,24 @@ +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + labels: + app.kubernetes.io/name: clusterrole + app.kubernetes.io/instance: proxy-role + app.kubernetes.io/component: kube-rbac-proxy + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: proxy-role +rules: +- apiGroups: + - authentication.k8s.io + resources: + - tokenreviews + verbs: + - create +- apiGroups: + - authorization.k8s.io + resources: + - subjectaccessreviews + verbs: + - create diff --git a/config/rbac/auth_proxy_role_binding.yaml b/config/rbac/auth_proxy_role_binding.yaml new file mode 100644 index 0000000..bc65296 --- /dev/null +++ b/config/rbac/auth_proxy_role_binding.yaml @@ -0,0 +1,19 @@ +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRoleBinding +metadata: + labels: + app.kubernetes.io/name: clusterrolebinding + app.kubernetes.io/instance: proxy-rolebinding + app.kubernetes.io/component: kube-rbac-proxy + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: proxy-rolebinding +roleRef: + apiGroup: rbac.authorization.k8s.io + kind: ClusterRole + name: proxy-role +subjects: +- kind: ServiceAccount + name: controller-manager + namespace: system diff --git a/config/rbac/auth_proxy_service.yaml b/config/rbac/auth_proxy_service.yaml new file mode 100644 index 0000000..93bbb62 --- /dev/null +++ b/config/rbac/auth_proxy_service.yaml @@ -0,0 +1,21 @@ +apiVersion: v1 +kind: Service +metadata: + labels: + control-plane: controller-manager + app.kubernetes.io/name: service + app.kubernetes.io/instance: controller-manager-metrics-service + app.kubernetes.io/component: kube-rbac-proxy + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: controller-manager-metrics-service + namespace: system +spec: + ports: + - name: https + port: 8443 + protocol: TCP + targetPort: https + selector: + control-plane: controller-manager diff --git a/config/rbac/kustomization.yaml b/config/rbac/kustomization.yaml new file mode 100644 index 0000000..731832a --- /dev/null +++ b/config/rbac/kustomization.yaml @@ -0,0 +1,18 @@ +resources: +# All RBAC will be applied under this service account in +# the deployment namespace. You may comment out this resource +# if your manager will use a service account that exists at +# runtime. Be sure to update RoleBinding and ClusterRoleBinding +# subjects if changing service account names. +- service_account.yaml +- role.yaml +- role_binding.yaml +- leader_election_role.yaml +- leader_election_role_binding.yaml +# Comment the following 4 lines if you want to disable +# the auth proxy (https://github.com/brancz/kube-rbac-proxy) +# which protects your /metrics endpoint. +- auth_proxy_service.yaml +- auth_proxy_role.yaml +- auth_proxy_role_binding.yaml +- auth_proxy_client_clusterrole.yaml diff --git a/config/rbac/leader_election_role.yaml b/config/rbac/leader_election_role.yaml new file mode 100644 index 0000000..dd58839 --- /dev/null +++ b/config/rbac/leader_election_role.yaml @@ -0,0 +1,44 @@ +# permissions to do leader election. +apiVersion: rbac.authorization.k8s.io/v1 +kind: Role +metadata: + labels: + app.kubernetes.io/name: role + app.kubernetes.io/instance: leader-election-role + app.kubernetes.io/component: rbac + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: leader-election-role +rules: +- apiGroups: + - "" + resources: + - configmaps + verbs: + - get + - list + - watch + - create + - update + - patch + - delete +- apiGroups: + - coordination.k8s.io + resources: + - leases + verbs: + - get + - list + - watch + - create + - update + - patch + - delete +- apiGroups: + - "" + resources: + - events + verbs: + - create + - patch diff --git a/config/rbac/leader_election_role_binding.yaml b/config/rbac/leader_election_role_binding.yaml new file mode 100644 index 0000000..e0bfc42 --- /dev/null +++ b/config/rbac/leader_election_role_binding.yaml @@ -0,0 +1,19 @@ +apiVersion: rbac.authorization.k8s.io/v1 +kind: RoleBinding +metadata: + labels: + app.kubernetes.io/name: rolebinding + app.kubernetes.io/instance: leader-election-rolebinding + app.kubernetes.io/component: rbac + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: leader-election-rolebinding +roleRef: + apiGroup: rbac.authorization.k8s.io + kind: Role + name: leader-election-role +subjects: +- kind: ServiceAccount + name: controller-manager + namespace: system diff --git a/config/rbac/role.yaml b/config/rbac/role.yaml new file mode 100644 index 0000000..b8ae3c1 --- /dev/null +++ b/config/rbac/role.yaml @@ -0,0 +1,32 @@ +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + name: manager-role +rules: +- apiGroups: + - devops-engineer.com.cn + resources: + - upgrades + verbs: + - create + - delete + - get + - list + - patch + - update + - watch +- apiGroups: + - devops-engineer.com.cn + resources: + - upgrades/finalizers + verbs: + - update +- apiGroups: + - devops-engineer.com.cn + resources: + - upgrades/status + verbs: + - get + - patch + - update diff --git a/config/rbac/role_binding.yaml b/config/rbac/role_binding.yaml new file mode 100644 index 0000000..a9a6e3d --- /dev/null +++ b/config/rbac/role_binding.yaml @@ -0,0 +1,19 @@ +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRoleBinding +metadata: + labels: + app.kubernetes.io/name: clusterrolebinding + app.kubernetes.io/instance: manager-rolebinding + app.kubernetes.io/component: rbac + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: manager-rolebinding +roleRef: + apiGroup: rbac.authorization.k8s.io + kind: ClusterRole + name: manager-role +subjects: +- kind: ServiceAccount + name: controller-manager + namespace: system diff --git a/config/rbac/service_account.yaml b/config/rbac/service_account.yaml new file mode 100644 index 0000000..04062b4 --- /dev/null +++ b/config/rbac/service_account.yaml @@ -0,0 +1,8 @@ +apiVersion: v1 +kind: ServiceAccount +metadata: + labels: + app.kubernetes.io/name: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: controller-manager + namespace: system diff --git a/config/rbac/upgrade_editor_role.yaml b/config/rbac/upgrade_editor_role.yaml new file mode 100644 index 0000000..c9b0cb9 --- /dev/null +++ b/config/rbac/upgrade_editor_role.yaml @@ -0,0 +1,31 @@ +# permissions for end users to edit upgrades. +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + labels: + app.kubernetes.io/name: clusterrole + app.kubernetes.io/instance: upgrade-editor-role + app.kubernetes.io/component: rbac + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: upgrade-editor-role +rules: +- apiGroups: + - devops-engineer.com.cn + resources: + - upgrades + verbs: + - create + - delete + - get + - list + - patch + - update + - watch +- apiGroups: + - devops-engineer.com.cn + resources: + - upgrades/status + verbs: + - get diff --git a/config/rbac/upgrade_viewer_role.yaml b/config/rbac/upgrade_viewer_role.yaml new file mode 100644 index 0000000..32cac49 --- /dev/null +++ b/config/rbac/upgrade_viewer_role.yaml @@ -0,0 +1,27 @@ +# permissions for end users to view upgrades. +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + labels: + app.kubernetes.io/name: clusterrole + app.kubernetes.io/instance: upgrade-viewer-role + app.kubernetes.io/component: rbac + app.kubernetes.io/created-by: upgrade-controller + app.kubernetes.io/part-of: upgrade-controller + app.kubernetes.io/managed-by: kustomize + name: upgrade-viewer-role +rules: +- apiGroups: + - devops-engineer.com.cn + resources: + - upgrades + verbs: + - get + - list + - watch +- apiGroups: + - devops-engineer.com.cn + resources: + - upgrades/status + verbs: + - get diff --git a/config/samples/_v1alpha1_upgrade.yaml b/config/samples/_v1alpha1_upgrade.yaml new file mode 100644 index 0000000..178a55d --- /dev/null +++ b/config/samples/_v1alpha1_upgrade.yaml @@ -0,0 +1,12 @@ +apiVersion: devops-engineer.com.cn/v1alpha1 +kind: UpGrade +metadata: + name: upgrade-nginx +spec: + upgradeReplicas: 3 + type: "upgrade" + deploymentRef: + name: nginx + namespace: default + images: + - image: nginx:1.25.4 diff --git a/config/samples/kustomization.yaml b/config/samples/kustomization.yaml new file mode 100644 index 0000000..6f107d1 --- /dev/null +++ b/config/samples/kustomization.yaml @@ -0,0 +1,4 @@ +## Append samples of your project ## +resources: +- _v1alpha1_upgrade.yaml +#+kubebuilder:scaffold:manifestskustomizesamples diff --git a/config/samples/sample-nginx.yaml b/config/samples/sample-nginx.yaml new file mode 100644 index 0000000..25265de --- /dev/null +++ b/config/samples/sample-nginx.yaml @@ -0,0 +1,20 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: nginx +spec: + replicas: 3 + selector: + matchLabels: + app: nginx + template: + metadata: + labels: + app: nginx + spec: + containers: + - name: nginx + image: nginx:alpine + ports: + - name: http + containerPort: 80 diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..d128953 --- /dev/null +++ b/go.mod @@ -0,0 +1,74 @@ +module github.com/gitlayzer/upgrade-controller + +go 1.21 + +require ( + github.com/evanphx/json-patch v4.12.0+incompatible + github.com/onsi/ginkgo/v2 v2.14.0 + github.com/onsi/gomega v1.30.0 + k8s.io/api v0.29.0 + k8s.io/apimachinery v0.29.0 + k8s.io/client-go v0.29.0 + k8s.io/klog/v2 v2.110.1 + sigs.k8s.io/controller-runtime v0.17.2 +) + +require ( + github.com/beorn7/perks v1.0.1 // indirect + github.com/cespare/xxhash/v2 v2.2.0 // indirect + github.com/davecgh/go-spew v1.1.1 // indirect + github.com/emicklei/go-restful/v3 v3.11.0 // indirect + github.com/evanphx/json-patch/v5 v5.8.0 // indirect + github.com/fsnotify/fsnotify v1.7.0 // indirect + github.com/go-logr/logr v1.4.1 // indirect + github.com/go-logr/zapr v1.3.0 // indirect + github.com/go-openapi/jsonpointer v0.19.6 // indirect + github.com/go-openapi/jsonreference v0.20.2 // indirect + github.com/go-openapi/swag v0.22.3 // indirect + github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/golang/protobuf v1.5.3 // indirect + github.com/google/gnostic-models v0.6.8 // indirect + github.com/google/go-cmp v0.6.0 // indirect + github.com/google/gofuzz v1.2.0 // indirect + github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 // indirect + github.com/google/uuid v1.3.0 // indirect + github.com/imdario/mergo v0.3.6 // indirect + github.com/josharian/intern v1.0.0 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/mailru/easyjson v0.7.7 // indirect + github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect + github.com/pkg/errors v0.9.1 // indirect + github.com/prometheus/client_golang v1.18.0 // indirect + github.com/prometheus/client_model v0.5.0 // indirect + github.com/prometheus/common v0.45.0 // indirect + github.com/prometheus/procfs v0.12.0 // indirect + github.com/spf13/pflag v1.0.5 // indirect + go.uber.org/multierr v1.11.0 // indirect + go.uber.org/zap v1.26.0 // indirect + golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect + golang.org/x/net v0.19.0 // indirect + golang.org/x/oauth2 v0.12.0 // indirect + golang.org/x/sys v0.16.0 // indirect + golang.org/x/term v0.15.0 // indirect + golang.org/x/text v0.14.0 // indirect + golang.org/x/time v0.3.0 // indirect + golang.org/x/tools v0.16.1 // indirect + gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect + google.golang.org/appengine v1.6.7 // indirect + google.golang.org/protobuf v1.31.0 // indirect + gopkg.in/inf.v0 v0.9.1 // indirect + gopkg.in/yaml.v2 v2.4.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect + k8s.io/apiextensions-apiserver v0.29.0 // indirect + k8s.io/component-base v0.29.0 // indirect + k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 // indirect + k8s.io/utils v0.0.0-20230726121419-3b25d923346b // indirect + sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect + sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect + sigs.k8s.io/yaml v1.4.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..6963f89 --- /dev/null +++ b/go.sum @@ -0,0 +1,205 @@ +github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= +github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= +github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44= +github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI= +github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= +github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU= +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/emicklei/go-restful/v3 v3.11.0 h1:rAQeMHw1c7zTmncogyy8VvRZwtkmkZ4FxERmMY4rD+g= +github.com/emicklei/go-restful/v3 v3.11.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc= +github.com/evanphx/json-patch v4.12.0+incompatible h1:4onqiflcdA9EOZ4RxV643DvftH5pOlLGNtQ5lPWQu84= +github.com/evanphx/json-patch v4.12.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk= 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h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0= +sigs.k8s.io/controller-runtime v0.17.2 h1:FwHwD1CTUemg0pW2otk7/U5/i5m2ymzvOXdbeGOUvw0= +sigs.k8s.io/controller-runtime v0.17.2/go.mod h1:+MngTvIQQQhfXtwfdGw/UOQ/aIaqsYywfCINOtwMO/s= +sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo= +sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0= +sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4= +sigs.k8s.io/structured-merge-diff/v4 v4.4.1/go.mod h1:N8hJocpFajUSSeSJ9bOZ77VzejKZaXsTtZo4/u7Io08= +sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E= +sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY= diff --git a/hack/boilerplate.go.txt b/hack/boilerplate.go.txt new file mode 100644 index 0000000..e50b515 --- /dev/null +++ b/hack/boilerplate.go.txt @@ -0,0 +1,15 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ \ No newline at end of file diff --git a/internal/controller/config.go b/internal/controller/config.go new file mode 100644 index 0000000..1a6ecef --- /dev/null +++ b/internal/controller/config.go @@ -0,0 +1,26 @@ +package controller + +import ( + "k8s.io/client-go/kubernetes" + "k8s.io/client-go/tools/clientcmd" + "k8s.io/client-go/util/homedir" + "path/filepath" +) + +// GetClientSet 获取一个 clientSet +func GetClientSet() *kubernetes.Clientset { + // 从本地文件加载 kubeConfig + conf, err := clientcmd.BuildConfigFromFlags("", filepath.Join(homedir.HomeDir(), ".kube", "config")) + if err != nil { + panic(err) + } + + // 使用获取到的 kubeConfig 创建一个 clientSet + clientSet, err := kubernetes.NewForConfig(conf) + if err != nil { + panic(err) + } + + // 返回 clientSet + return clientSet +} diff --git a/internal/controller/suite_test.go b/internal/controller/suite_test.go new file mode 100644 index 0000000..ee1041c --- /dev/null +++ b/internal/controller/suite_test.go @@ -0,0 +1,90 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package controller + +import ( + "fmt" + "path/filepath" + "runtime" + "testing" + + . "github.com/onsi/ginkgo/v2" + . "github.com/onsi/gomega" + + "k8s.io/client-go/kubernetes/scheme" + "k8s.io/client-go/rest" + "sigs.k8s.io/controller-runtime/pkg/client" + "sigs.k8s.io/controller-runtime/pkg/envtest" + logf "sigs.k8s.io/controller-runtime/pkg/log" + "sigs.k8s.io/controller-runtime/pkg/log/zap" + + devopsengineercomcnv1alpha1 "github.com/gitlayzer/upgrade-controller/api/v1alpha1" + //+kubebuilder:scaffold:imports +) + +// These tests use Ginkgo (BDD-style Go testing framework). Refer to +// http://onsi.github.io/ginkgo/ to learn more about Ginkgo. + +var cfg *rest.Config +var k8sClient client.Client +var testEnv *envtest.Environment + +func TestControllers(t *testing.T) { + RegisterFailHandler(Fail) + + RunSpecs(t, "Controller Suite") +} + +var _ = BeforeSuite(func() { + logf.SetLogger(zap.New(zap.WriteTo(GinkgoWriter), zap.UseDevMode(true))) + + By("bootstrapping test environment") + testEnv = &envtest.Environment{ + CRDDirectoryPaths: []string{filepath.Join("..", "..", "config", "crd", "bases")}, + ErrorIfCRDPathMissing: true, + + // The BinaryAssetsDirectory is only required if you want to run the tests directly + // without call the makefile target test. If not informed it will look for the + // default path defined in controller-runtime which is /usr/local/kubebuilder/. + // Note that you must have the required binaries setup under the bin directory to perform + // the tests directly. When we run make test it will be setup and used automatically. + BinaryAssetsDirectory: filepath.Join("..", "..", "bin", "k8s", + fmt.Sprintf("1.29.0-%s-%s", runtime.GOOS, runtime.GOARCH)), + } + + var err error + // cfg is defined in this file globally. + cfg, err = testEnv.Start() + Expect(err).NotTo(HaveOccurred()) + Expect(cfg).NotTo(BeNil()) + + err = devopsengineercomcnv1alpha1.AddToScheme(scheme.Scheme) + Expect(err).NotTo(HaveOccurred()) + + //+kubebuilder:scaffold:scheme + + k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme}) + Expect(err).NotTo(HaveOccurred()) + Expect(k8sClient).NotTo(BeNil()) + +}) + +var _ = AfterSuite(func() { + By("tearing down the test environment") + err := testEnv.Stop() + Expect(err).NotTo(HaveOccurred()) +}) diff --git a/internal/controller/upgrade.go b/internal/controller/upgrade.go new file mode 100644 index 0000000..7e3f921 --- /dev/null +++ b/internal/controller/upgrade.go @@ -0,0 +1,61 @@ +package controller + +import ( + "context" + "fmt" + jsonpath "github.com/evanphx/json-patch" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/types" + "k8s.io/apimachinery/pkg/util/json" + "k8s.io/client-go/kubernetes" + "k8s.io/klog/v2" +) + +type patchUpgradeOperation struct { + Op string `json:"op"` + Path string `json:"path"` + + Value interface{} `json:"value,omitempty"` +} + +// UpgradePodByImages 更新 Pod 的镜像 +func UpgradePodByImages(ctx context.Context, pod *corev1.Pod, image []string, clientSet *kubernetes.Clientset) error { + klog.Infof("Start to upgrade pod %s", pod.Name) + patchList := make([]patchUpgradeOperation, 0) + for k, imageName := range image { + p := patchUpgradeOperation{ + Op: "replace", + Path: fmt.Sprintf("/spec/containers/%v/image", k), + Value: imageName, + } + patchList = append(patchList, p) + } + patchBytes, err := json.Marshal(patchList) + if err != nil { + klog.Error(err) + return err + } + + jsonPatch, err := jsonpath.DecodePatch(patchBytes) + if err != nil { + klog.Error("DecodePatch error: ", err) + return err + } + + jsonPatchBytes, err := json.Marshal(jsonPatch) + if err != nil { + klog.Error("json Marshal error: ", err) + return err + } + + _, err = clientSet.CoreV1().Pods(pod.Namespace).Patch(ctx, pod.Name, types.JSONPatchType, jsonPatchBytes, metav1.PatchOptions{}) + if err != nil { + klog.Error("Patch pod error: ", err) + return err + } + + klog.Info("Upgrade pod success") + + return nil +} diff --git a/internal/controller/upgrade_controller.go b/internal/controller/upgrade_controller.go new file mode 100644 index 0000000..254a95f --- /dev/null +++ b/internal/controller/upgrade_controller.go @@ -0,0 +1,165 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package controller + +import ( + "context" + "github.com/gitlayzer/upgrade-controller/internal/utils" + "k8s.io/klog/v2" + "sigs.k8s.io/controller-runtime/pkg/reconcile" + + devopsengineercomcnv1alpha1 "github.com/gitlayzer/upgrade-controller/api/v1alpha1" + "k8s.io/apimachinery/pkg/runtime" + ctrl "sigs.k8s.io/controller-runtime" + "sigs.k8s.io/controller-runtime/pkg/client" +) + +const ( + PodStatusSuccess = "Successful" + PodStatusRunning = "Running" + PodStatusFailed = "Failure" + + Upgrade = "upgrade" +) + +// UpGradeReconciler reconciles a UpGrade object +type UpGradeReconciler struct { + client.Client + Scheme *runtime.Scheme +} + +//+kubebuilder:rbac:groups=devops-engineer.com.cn,resources=upgrades,verbs=get;list;watch;create;update;patch;delete +//+kubebuilder:rbac:groups=devops-engineer.com.cn,resources=upgrades/status,verbs=get;update;patch +//+kubebuilder:rbac:groups=devops-engineer.com.cn,resources=upgrades/finalizers,verbs=update + +// Reconcile is part of the main kubernetes reconciliation loop which aims to +// move the current state of the cluster closer to the desired state. +// TODO(user): Modify the Reconcile function to compare the state specified by +// the UpGrade object against the actual cluster state, and then +// perform operations to make the cluster state reflect the state specified by +// the user. +// +// For more details, check Reconcile and its Result here: +// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.17.2/pkg/reconcile +func (r *UpGradeReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) { + // 打印控制器启动的日志 + _ = ctrl.Log.WithName("UpGrader").WithValues("UpGrader", req.NamespacedName) + + UpGrade := &devopsengineercomcnv1alpha1.UpGrade{} + + // 获取 UpGrade 对象 + err := r.Get(ctx, req.NamespacedName, UpGrade) + if err != nil { + if client.IgnoreNotFound(err) != nil { + klog.Error("Failed to get UpGrader: ", err) + return reconcile.Result{}, err + } + return reconcile.Result{}, nil + } + + // 如果 UpGrade 的 Status.Status 为 Successful，则直接返回不再执行后续操作 + if UpGrade.Status.Status == PodStatusSuccess { + klog.Info("UpGrade pod is successful") + return reconcile.Result{}, nil + } + + // 如果 UpGrade 的 Spec.Type 为 upgrade，则将 UpGrade 的 Status.Type 设置为 upgrade + if UpGrade.Spec.Type == Upgrade { + klog.Info("UpGrade type is upgrade") + UpGrade.Status.Type = Upgrade + } + + // 如果 UpGrade 的 Status.Status 为 Running，则直接返回不再执行后续操作 + UpGrade.Status.Status = PodStatusRunning + err = r.Client.Status().Update(ctx, UpGrade) + if err != nil { + klog.Error("Failed to update UpGrade status: ", err) + return reconcile.Result{}, err + } + + // 获取 Deployment 的 pod 列表 + podList := utils.GetPodsByDeployment(UpGrade.Spec.DeploymentRef.Name, UpGrade.Spec.DeploymentRef.Namespace, GetClientSet()) + if len(podList) == 0 { + klog.Error("Failed to get pod list") + return reconcile.Result{}, nil + } + + // 获取升级副本数 + var replicaCount = UpGrade.Spec.UpgradeReplicas + + // 如果 UpgradeReplicas 指定为 0，则使用 pod 数量作为升级副本数 + if UpGrade.Spec.UpgradeReplicas == 0 { + // 则去获取 Deployment 的副本数 + utils.GetDeploymentReplicas(UpGrade.Spec.DeploymentRef.Name, UpGrade.Spec.DeploymentRef.Namespace, GetClientSet()) + + // 将 Deployment 的副本数作为升级副本数 + UpGrade.Spec.UpgradeReplicas = replicaCount + } + + // 如果升级副本数大于 pod 数量，则将升级副本数设置为 pod 数量 + if len(podList) < UpGrade.Spec.UpgradeReplicas { + replicaCount = len(podList) + } + + // 获取升级镜像列表 + imageList := make([]string, 0) + if UpGrade.Spec.Type == Upgrade { + for _, v := range UpGrade.Spec.Images { + imageList = append(imageList, v.Image) + } + } + + // 升级 pod + for i := 0; i < replicaCount; i++ { + err = UpgradePodByImages(ctx, &podList[i], imageList, GetClientSet()) + if err != nil { + klog.Error("Failed to upgrade pod: ", err) + UpGrade.Status.Status = PodStatusFailed + err = r.Client.Status().Update(ctx, UpGrade) + if err != nil { + klog.Error("Failed to update UpGrader status: ", err) + return reconcile.Result{}, err + } + return reconcile.Result{Requeue: false}, err + } + } + + // 升级成功, 更新 UpGrader 的 Status + UpGrade.Status.Status = PodStatusSuccess + err = r.Client.Status().Update(ctx, UpGrade) + if err != nil { + klog.Error("Failed to update UpGrade status: ", err) + return reconcile.Result{}, err + } + + // 将更新的副本数写入到 UpGrader 的 Status 中 + UpGrade.Status.UpGradeReplicas = replicaCount + err = r.Client.Status().Update(ctx, UpGrade) + if err != nil { + klog.Error("Failed to update UpGrade status: ", err) + return reconcile.Result{}, err + } + + return ctrl.Result{}, nil +} + +// SetupWithManager sets up the controller with the Manager. +func (r *UpGradeReconciler) SetupWithManager(mgr ctrl.Manager) error { + return ctrl.NewControllerManagedBy(mgr). + For(&devopsengineercomcnv1alpha1.UpGrade{}). + Complete(r) +} diff --git a/internal/controller/upgrade_controller_test.go b/internal/controller/upgrade_controller_test.go new file mode 100644 index 0000000..4e00b89 --- /dev/null +++ b/internal/controller/upgrade_controller_test.go @@ -0,0 +1,84 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package controller + +import ( + "context" + + . "github.com/onsi/ginkgo/v2" + . "github.com/onsi/gomega" + "k8s.io/apimachinery/pkg/api/errors" + "k8s.io/apimachinery/pkg/types" + "sigs.k8s.io/controller-runtime/pkg/reconcile" + + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + + devopsengineercomcnv1alpha1 "github.com/gitlayzer/upgrade-controller/api/v1alpha1" +) + +var _ = Describe("UpGrade Controller", func() { + Context("When reconciling a resource", func() { + const resourceName = "test-resource" + + ctx := context.Background() + + typeNamespacedName := types.NamespacedName{ + Name: resourceName, + Namespace: "default", // TODO(user):Modify as needed + } + upgrade := &devopsengineercomcnv1alpha1.UpGrade{} + + BeforeEach(func() { + By("creating the custom resource for the Kind UpGrade") + err := k8sClient.Get(ctx, typeNamespacedName, upgrade) + if err != nil && errors.IsNotFound(err) { + resource := &devopsengineercomcnv1alpha1.UpGrade{ + ObjectMeta: metav1.ObjectMeta{ + Name: resourceName, + Namespace: "default", + }, + // TODO(user): Specify other spec details if needed. + } + Expect(k8sClient.Create(ctx, resource)).To(Succeed()) + } + }) + + AfterEach(func() { + // TODO(user): Cleanup logic after each test, like removing the resource instance. + resource := &devopsengineercomcnv1alpha1.UpGrade{} + err := k8sClient.Get(ctx, typeNamespacedName, resource) + Expect(err).NotTo(HaveOccurred()) + + By("Cleanup the specific resource instance UpGrade") + Expect(k8sClient.Delete(ctx, resource)).To(Succeed()) + }) + It("should successfully reconcile the resource", func() { + By("Reconciling the created resource") + controllerReconciler := &UpGradeReconciler{ + Client: k8sClient, + Scheme: k8sClient.Scheme(), + } + + _, err := controllerReconciler.Reconcile(ctx, reconcile.Request{ + NamespacedName: typeNamespacedName, + }) + Expect(err).NotTo(HaveOccurred()) + // TODO(user): Add more specific assertions depending on your controller's reconciliation logic. + // Example: If you expect a certain status condition after reconciliation, verify it here. + }) + }) +}) diff --git a/internal/utils/resources.go b/internal/utils/resources.go new file mode 100644 index 0000000..e7a0ce4 --- /dev/null +++ b/internal/utils/resources.go @@ -0,0 +1,76 @@ +package utils + +import ( + "context" + appsv1 "k8s.io/api/apps/v1" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/labels" + "k8s.io/client-go/kubernetes" + "k8s.io/klog/v2" +) + +// GetPodsByDeployment 用于根据 Deployment 获取关联的 Pod 列表 +func GetPodsByDeployment(deploymentName, namespace string, client *kubernetes.Clientset) []corev1.Pod { + deployment, err := client.AppsV1().Deployments(namespace).Get(context.TODO(), deploymentName, metav1.GetOptions{}) + if err != nil { + klog.Error("Create ClientSet error: ", err) + return nil + } + + rsIds := getRsIdsByDeployment(deployment, client) + podsList := make([]corev1.Pod, 0) + for _, rsId := range rsIds { + pods := getPodsByReplicaSet(&rsId, client, namespace) + podsList = append(podsList, pods...) + } + + return podsList +} + +// getRsIdsByDeployment 用于将 Deployment 关联的 ReplicaSet 列表获取出来 +func getRsIdsByDeployment(deployment *appsv1.Deployment, client *kubernetes.Clientset) []appsv1.ReplicaSet { + rsList, err := client.AppsV1().ReplicaSets(deployment.Namespace).List(context.TODO(), metav1.ListOptions{ + LabelSelector: labels.Set(deployment.Spec.Selector.MatchLabels).String(), + }) + if err != nil { + klog.Error("List ReplicaSets error: ", err) + return nil + } + + rsIds := make([]appsv1.ReplicaSet, len(rsList.Items)) + + for _, rs := range rsList.Items { + rsIds = append(rsIds, rs) + } + return rsIds +} + +// getPodsByReplicaSet 用于根据 ReplicaSet 获取关联的 Pod 列表 +func getPodsByReplicaSet(replicaSet *appsv1.ReplicaSet, client *kubernetes.Clientset, namespace string) []corev1.Pod { + podList, err := client.CoreV1().Pods(namespace).List(context.TODO(), metav1.ListOptions{}) + if err != nil { + klog.Error("List Pods error: ", err) + return nil + } + + pods := make([]corev1.Pod, 0) + for _, pod := range podList.Items { + // 找到 pod OwnerReferences uid 相同的 pod + if pod.OwnerReferences != nil && len(pod.OwnerReferences) == 1 && pod.OwnerReferences[0].UID == replicaSet.UID { + pods = append(pods, pod) + } + } + return pods +} + +// GetDeploymentReplicas 用于获取 Deployment 的副本数 +func GetDeploymentReplicas(deploymentName, namespace string, client *kubernetes.Clientset) int32 { + deployment, err := client.AppsV1().Deployments(namespace).Get(context.TODO(), deploymentName, metav1.GetOptions{}) + if err != nil { + klog.Error("Get Deployment error: ", err) + return 0 + } + + return deployment.Status.Replicas +} diff --git a/logo/Upgrade.png b/logo/Upgrade.png new file mode 100644 index 0000000..db1222e Binary files /dev/null and b/logo/Upgrade.png differ diff --git a/test/e2e/e2e_suite_test.go b/test/e2e/e2e_suite_test.go new file mode 100644 index 0000000..e3424b9 --- /dev/null +++ b/test/e2e/e2e_suite_test.go @@ -0,0 +1,32 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package e2e + +import ( + "fmt" + "testing" + + . "github.com/onsi/ginkgo/v2" + . "github.com/onsi/gomega" +) + +// Run e2e tests using the Ginkgo runner. +func TestE2E(t *testing.T) { + RegisterFailHandler(Fail) + fmt.Fprintf(GinkgoWriter, "Starting upgrade-controller suite\n") + RunSpecs(t, "e2e suite") +} diff --git a/test/e2e/e2e_test.go b/test/e2e/e2e_test.go new file mode 100644 index 0000000..07a091c --- /dev/null +++ b/test/e2e/e2e_test.go @@ -0,0 +1,122 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package e2e + +import ( + "fmt" + "os/exec" + "time" + + . "github.com/onsi/ginkgo/v2" + . "github.com/onsi/gomega" + + "github.com/gitlayzer/upgrade-controller/test/utils" +) + +const namespace = "upgrade-controller-system" + +var _ = Describe("controller", Ordered, func() { + BeforeAll(func() { + By("installing prometheus operator") + Expect(utils.InstallPrometheusOperator()).To(Succeed()) + + By("installing the cert-manager") + Expect(utils.InstallCertManager()).To(Succeed()) + + By("creating manager namespace") + cmd := exec.Command("kubectl", "create", "ns", namespace) + _, _ = utils.Run(cmd) + }) + + AfterAll(func() { + By("uninstalling the Prometheus manager bundle") + utils.UninstallPrometheusOperator() + + By("uninstalling the cert-manager bundle") + utils.UninstallCertManager() + + By("removing manager namespace") + cmd := exec.Command("kubectl", "delete", "ns", namespace) + _, _ = utils.Run(cmd) + }) + + Context("Operator", func() { + It("should run successfully", func() { + var controllerPodName string + var err error + + // projectimage stores the name of the image used in the example + var projectimage = "example.com/upgrade-controller:v0.0.1" + + By("building the manager(Operator) image") + cmd := exec.Command("make", "docker-build", fmt.Sprintf("IMG=%s", projectimage)) + _, err = utils.Run(cmd) + ExpectWithOffset(1, err).NotTo(HaveOccurred()) + + By("loading the the manager(Operator) image on Kind") + err = utils.LoadImageToKindClusterWithName(projectimage) + ExpectWithOffset(1, err).NotTo(HaveOccurred()) + + By("installing CRDs") + cmd = exec.Command("make", "install") + _, err = utils.Run(cmd) + ExpectWithOffset(1, err).NotTo(HaveOccurred()) + + By("deploying the controller-manager") + cmd = exec.Command("make", "deploy", fmt.Sprintf("IMG=%s", projectimage)) + _, err = utils.Run(cmd) + ExpectWithOffset(1, err).NotTo(HaveOccurred()) + + By("validating that the controller-manager pod is running as expected") + verifyControllerUp := func() error { + // Get pod name + + cmd = exec.Command("kubectl", "get", + "pods", "-l", "control-plane=controller-manager", + "-o", "go-template={{ range .items }}"+ + "{{ if not .metadata.deletionTimestamp }}"+ + "{{ .metadata.name }}"+ + "{{ \"\\n\" }}{{ end }}{{ end }}", + "-n", namespace, + ) + + podOutput, err := utils.Run(cmd) + ExpectWithOffset(2, err).NotTo(HaveOccurred()) + podNames := utils.GetNonEmptyLines(string(podOutput)) + if len(podNames) != 1 { + return fmt.Errorf("expect 1 controller pods running, but got %d", len(podNames)) + } + controllerPodName = podNames[0] + ExpectWithOffset(2, controllerPodName).Should(ContainSubstring("controller-manager")) + + // Validate pod status + cmd = exec.Command("kubectl", "get", + "pods", controllerPodName, "-o", "jsonpath={.status.phase}", + "-n", namespace, + ) + status, err := utils.Run(cmd) + ExpectWithOffset(2, err).NotTo(HaveOccurred()) + if string(status) != "Running" { + return fmt.Errorf("controller pod in %s status", status) + } + return nil + } + EventuallyWithOffset(1, verifyControllerUp, time.Minute, time.Second).Should(Succeed()) + + }) + }) +}) diff --git a/test/utils/utils.go b/test/utils/utils.go new file mode 100644 index 0000000..d470ba1 --- /dev/null +++ b/test/utils/utils.go @@ -0,0 +1,140 @@ +/* +Copyright 2024 gitlayzer. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package utils + +import ( + "fmt" + "os" + "os/exec" + "strings" + + . "github.com/onsi/ginkgo/v2" //nolint:golint,revive +) + +const ( + prometheusOperatorVersion = "v0.68.0" + prometheusOperatorURL = "https://github.com/prometheus-operator/prometheus-operator/" + + "releases/download/%s/bundle.yaml" + + certmanagerVersion = "v1.5.3" + certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml" +) + +func warnError(err error) { + fmt.Fprintf(GinkgoWriter, "warning: %v\n", err) +} + +// InstallPrometheusOperator installs the prometheus Operator to be used to export the enabled metrics. +func InstallPrometheusOperator() error { + url := fmt.Sprintf(prometheusOperatorURL, prometheusOperatorVersion) + cmd := exec.Command("kubectl", "create", "-f", url) + _, err := Run(cmd) + return err +} + +// Run executes the provided command within this context +func Run(cmd *exec.Cmd) ([]byte, error) { + dir, _ := GetProjectDir() + cmd.Dir = dir + + if err := os.Chdir(cmd.Dir); err != nil { + fmt.Fprintf(GinkgoWriter, "chdir dir: %s\n", err) + } + + cmd.Env = append(os.Environ(), "GO111MODULE=on") + command := strings.Join(cmd.Args, " ") + fmt.Fprintf(GinkgoWriter, "running: %s\n", command) + output, err := cmd.CombinedOutput() + if err != nil { + return output, fmt.Errorf("%s failed with error: (%v) %s", command, err, string(output)) + } + + return output, nil +} + +// UninstallPrometheusOperator uninstalls the prometheus +func UninstallPrometheusOperator() { + url := fmt.Sprintf(prometheusOperatorURL, prometheusOperatorVersion) + cmd := exec.Command("kubectl", "delete", "-f", url) + if _, err := Run(cmd); err != nil { + warnError(err) + } +} + +// UninstallCertManager uninstalls the cert manager +func UninstallCertManager() { + url := fmt.Sprintf(certmanagerURLTmpl, certmanagerVersion) + cmd := exec.Command("kubectl", "delete", "-f", url) + if _, err := Run(cmd); err != nil { + warnError(err) + } +} + +// InstallCertManager installs the cert manager bundle. +func InstallCertManager() error { + url := fmt.Sprintf(certmanagerURLTmpl, certmanagerVersion) + cmd := exec.Command("kubectl", "apply", "-f", url) + if _, err := Run(cmd); err != nil { + return err + } + // Wait for cert-manager-webhook to be ready, which can take time if cert-manager + // was re-installed after uninstalling on a cluster. + cmd = exec.Command("kubectl", "wait", "deployment.apps/cert-manager-webhook", + "--for", "condition=Available", + "--namespace", "cert-manager", + "--timeout", "5m", + ) + + _, err := Run(cmd) + return err +} + +// LoadImageToKindCluster loads a local docker image to the kind cluster +func LoadImageToKindClusterWithName(name string) error { + cluster := "kind" + if v, ok := os.LookupEnv("KIND_CLUSTER"); ok { + cluster = v + } + kindOptions := []string{"load", "docker-image", name, "--name", cluster} + cmd := exec.Command("kind", kindOptions...) + _, err := Run(cmd) + return err +} + +// GetNonEmptyLines converts given command output string into individual objects +// according to line breakers, and ignores the empty elements in it. +func GetNonEmptyLines(output string) []string { + var res []string + elements := strings.Split(output, "\n") + for _, element := range elements { + if element != "" { + res = append(res, element) + } + } + + return res +} + +// GetProjectDir will return the directory where the project is +func GetProjectDir() (string, error) { + wd, err := os.Getwd() + if err != nil { + return wd, err + } + wd = strings.Replace(wd, "/test/e2e", "", -1) + return wd, nil +}