From 5090c6bd12e26dc064a353401dc1c826dddc5e4e Mon Sep 17 00:00:00 2001 From: TessaIO Date: Sun, 14 Apr 2024 00:12:01 +0200 Subject: [PATCH] feat: add spiffe integration in master and worker Signed-off-by: TessaIO --- cmd/nfd-master/main.go | 4 + cmd/nfd-worker/main.go | 4 + go.mod | 26 ++- go.sum | 383 ++++++++++++++++++++++++++++++-- pkg/nfd-master/nfd-master.go | 54 ++++- pkg/nfd-worker/nfd-worker.go | 52 +++++ pkg/utils/spiffe/spiffe.go | 120 ++++++++++ pkg/utils/spiffe/spiffe_test.go | 119 ++++++++++ 8 files changed, 743 insertions(+), 19 deletions(-) create mode 100644 pkg/utils/spiffe/spiffe.go create mode 100644 pkg/utils/spiffe/spiffe_test.go diff --git a/cmd/nfd-master/main.go b/cmd/nfd-master/main.go index 08a35324f9..ecac120fd7 100644 --- a/cmd/nfd-master/main.go +++ b/cmd/nfd-master/main.go @@ -91,6 +91,8 @@ func main() { klog.InfoS("-port is deprecated, will be removed in a future release along with the deprecated gRPC API") case "verify-node-name": klog.InfoS("-verify-node-name is deprecated, will be removed in a future release along with the deprecated gRPC API") + case "enable-spiffe": + args.Overrides.EnableSpiffe = overrides.EnableSpiffe } }) @@ -188,6 +190,8 @@ func initFlags(flagset *flag.FlagSet) (*master.Args, *master.ConfigOverrideArgs) "It does not have effect when the NodeFeature API has been disabled (with -feature-gates NodeFeatureAPI=false).") overrides.NfdApiParallelism = flagset.Int("nfd-api-parallelism", 10, "Defines the maximum number of goroutines responsible of updating nodes. "+ "Can be used for the throttling mechanism. It does not have effect if NodeFeatureAPI feature gate is disabled.") + overrides.EnableSpiffe = flagset.Bool("enable-spiffe", false, + "Enables the Spiffe signature verification of created CRDs. This is still an EXPERIMENTAL feature.") return args, overrides } diff --git a/cmd/nfd-worker/main.go b/cmd/nfd-worker/main.go index 4031c6f54a..ae5d56c347 100644 --- a/cmd/nfd-worker/main.go +++ b/cmd/nfd-worker/main.go @@ -112,6 +112,8 @@ func parseArgs(flags *flag.FlagSet, osArgs ...string) *worker.Args { args.Overrides.FeatureSources = overrides.FeatureSources case "label-sources": args.Overrides.LabelSources = overrides.LabelSources + case "enable-spiffe": + args.Overrides.EnableSpiffe = overrides.EnableSpiffe } }) @@ -163,6 +165,8 @@ func initFlags(flagset *flag.FlagSet) (*worker.Args, *worker.ConfigOverrideArgs) flagset.Var(overrides.LabelSources, "label-sources", "Comma separated list of label sources. Special value 'all' enables all sources. "+ "Prefix the source name with '-' to disable it.") + overrides.EnableSpiffe = flagset.Bool("enable-spiffe", false, + "Enables the Spiffe signature verification of created CRDs. This is still an EXPERIMENTAL feature.") return args, overrides } diff --git a/go.mod b/go.mod index a6c2b120fc..e5a73a41ba 100644 --- a/go.mod +++ b/go.mod @@ -17,12 +17,13 @@ require ( github.com/prometheus/client_golang v1.18.0 github.com/smartystreets/goconvey v1.8.1 github.com/spf13/cobra v1.8.0 + github.com/spiffe/go-spiffe/v2 v2.2.0 github.com/stretchr/testify v1.9.0 github.com/vektra/errors v0.0.0-20140903201135-c64d83aba85a golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3 golang.org/x/net v0.25.0 golang.org/x/time v0.5.0 - google.golang.org/grpc v1.60.1 + google.golang.org/grpc v1.62.1 google.golang.org/protobuf v1.33.0 k8s.io/api v0.30.0 k8s.io/apiextensions-apiserver v0.30.0 @@ -42,6 +43,22 @@ require ( require ( github.com/Microsoft/go-winio v0.6.0 // indirect + cloud.google.com/go/compute v1.23.3 // indirect + cloud.google.com/go/compute/metadata v0.2.3 // indirect + github.com/Azure/azure-sdk-for-go v68.0.0+incompatible // indirect + github.com/Azure/go-autorest v14.2.0+incompatible // indirect + github.com/Azure/go-autorest/autorest v0.11.29 // indirect + github.com/Azure/go-autorest/autorest/adal v0.9.23 // indirect + github.com/Azure/go-autorest/autorest/date v0.3.0 // indirect + github.com/Azure/go-autorest/autorest/mocks v0.4.2 // indirect + github.com/Azure/go-autorest/autorest/to v0.4.0 // indirect + github.com/Azure/go-autorest/autorest/validation v0.3.1 // indirect + github.com/Azure/go-autorest/logger v0.2.1 // indirect + github.com/Azure/go-autorest/tracing v0.6.0 // indirect + github.com/GoogleCloudPlatform/k8s-cloud-provider v1.18.1-0.20220218231025-f11817397a1b // indirect + github.com/JeffAshton/win_pdh v0.0.0-20161109143554-76bb4ee9f0ab // indirect + github.com/Microsoft/go-winio v0.6.1 // indirect + github.com/Microsoft/hcsshim v0.8.25 // indirect github.com/NYTimes/gziphandler v1.1.1 // indirect github.com/OneOfOne/xxhash v1.2.8 // indirect github.com/StackExchange/wmi v1.2.1 // indirect @@ -62,6 +79,7 @@ require ( github.com/felixge/httpsnoop v1.0.4 // indirect github.com/ghodss/yaml v1.0.0 // indirect github.com/go-logr/logr v1.4.1 // indirect + github.com/go-jose/go-jose/v4 v4.0.1 // indirect github.com/go-logr/stdr v1.2.2 // indirect github.com/go-ole/go-ole v1.2.6 // indirect github.com/go-openapi/jsonpointer v0.19.6 // indirect @@ -106,6 +124,11 @@ require ( github.com/spf13/pflag v1.0.5 // indirect github.com/stoewer/go-strcase v1.2.0 // indirect github.com/stretchr/objx v0.5.2 // indirect + github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635 // indirect + github.com/vishvananda/netlink v1.1.0 // indirect + github.com/vishvananda/netns v0.0.4 // indirect + github.com/vmware/govmomi v0.30.6 // indirect + github.com/zeebo/errs v1.3.0 // indirect go.etcd.io/etcd/api/v3 v3.5.10 // indirect go.etcd.io/etcd/client/pkg/v3 v3.5.10 // indirect go.etcd.io/etcd/client/v3 v3.5.10 // indirect @@ -132,6 +155,7 @@ require ( google.golang.org/genproto v0.0.0-20240102182953-50ed04b92917 // indirect google.golang.org/genproto/googleapis/api v0.0.0-20231212172506-995d672761c0 // indirect google.golang.org/genproto/googleapis/rpc v0.0.0-20240108191215-35c7eff3a6b1 // indirect + gopkg.in/gcfg.v1 v1.2.3 // indirect gopkg.in/inf.v0 v0.9.1 // indirect gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect gopkg.in/yaml.v2 v2.4.0 // indirect diff --git a/go.sum b/go.sum index fd300cabd9..47c93570d6 100644 --- a/go.sum +++ b/go.sum @@ -7,6 +7,12 @@ github.com/JeffAshton/win_pdh v0.0.0-20161109143554-76bb4ee9f0ab h1:UKkYhof1njT1 github.com/JeffAshton/win_pdh v0.0.0-20161109143554-76bb4ee9f0ab/go.mod h1:3VYc5hodBMJ5+l/7J4xAyMeuM2PNuepvHlGs8yilUCA= github.com/Microsoft/go-winio v0.6.0 h1:slsWYD/zyx7lCXoZVlvQrj0hPTM1HI4+v1sIda2yDvg= github.com/Microsoft/go-winio v0.6.0/go.mod h1:cTAf44im0RAYeL23bpB+fzCyDH2MJiz2BO69KH/soAE= +github.com/MakeNowJust/heredoc v1.0.0 h1:cXCdzVdstXyiTqTvfqk9SDHpKNjxuom+DOlyEeQ4pzQ= +github.com/MakeNowJust/heredoc v1.0.0/go.mod h1:mG5amYoWBHf8vpLOuehzbGGw0EHxpZZ6lCpQ4fNJ8LE= +github.com/Microsoft/go-winio v0.4.17/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84= +github.com/Microsoft/hcsshim v0.8.25 h1:fRMwXiwk3qDwc0P05eHnh+y2v07JdtsfQ1fuAc69m9g= +github.com/Microsoft/hcsshim v0.8.25/go.mod h1:4zegtUJth7lAvFyc6cH2gGQ5B3OFQim01nnU2M8jKDg= +github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ= github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I= github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c= github.com/OneOfOne/xxhash v1.2.8 h1:31czK/TI9sNkxIKfaUfGlU47BAxQ0ztGgd9vPyqimf8= @@ -33,6 +39,13 @@ github.com/cilium/ebpf v0.12.3 h1:8ht6F9MquybnY97at+VDZb3eQQr8ev79RueWeVaEcG4= github.com/cilium/ebpf v0.12.3/go.mod h1:TctK1ivibvI3znr66ljgi4hqOT8EYQjz1KWBfb1UVgM= github.com/cncf/xds/go v0.0.0-20230607035331-e9ce68804cb4 h1:/inchEIKaYC1Akx+H+gqO04wryn5h75LSazbRlnya1k= github.com/cncf/xds/go v0.0.0-20230607035331-e9ce68804cb4/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs= +github.com/container-storage-interface/spec v1.8.0 h1:D0vhF3PLIZwlwZEf2eNbpujGCNwspwTYf2idJRJx4xI= +github.com/container-storage-interface/spec v1.8.0/go.mod h1:ROLik+GhPslwwWRNFF1KasPzroNARibH2rfz1rkg4H0= +github.com/containerd/cgroups v1.0.1/go.mod h1:0SJrPIenamHDcZhEcJMNBB85rHcUsw4f25ZfBiPYRkU= +github.com/containerd/cgroups v1.1.0 h1:v8rEWFl6EoqHB+swVNjVoCJE8o3jX7e8nqBGPLaDFBM= +github.com/containerd/cgroups v1.1.0/go.mod h1:6ppBcbh/NOOUU+dMKrykgaBnK9lCIBxHqJDGwsa1mIw= +github.com/containerd/console v1.0.1/go.mod h1:XUsP6YE/mKtz6bxc+I8UiKKTP04qjQL4qcS3XoQ5xkw= +github.com/containerd/console v1.0.2/go.mod h1:ytZPjGgY2oeTkAONYafi2kSj0aYggsf8acV1PGKCbzQ= github.com/containerd/console v1.0.3 h1:lIr7SlA5PxZyMV30bDW0MGbiOPXwc63yRuCP0ARubLw= github.com/containerd/console v1.0.3/go.mod h1:7LqA/THxQ86k76b8c/EMSiaJ3h1eZkMkXar0TQ1gf3U= github.com/containerd/ttrpc v1.2.2 h1:9vqZr0pxwOF5koz6N0N3kJ0zDHokrcPxIR/ZR2YFtOs= @@ -56,8 +69,23 @@ github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkp github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto= 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/envoyproxy/protoc-gen-validate v1.0.2 h1:QkIBuU5k+x7/QXPvPPnWXWlCdaBFApVqftFV6k087DA= -github.com/envoyproxy/protoc-gen-validate v1.0.2/go.mod h1:GpiZQP3dDbg4JouG/NNS7QWXpgx6x8QiMKdmN72jogE= +github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98= +github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po= +github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk= +github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk= +github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ= +github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0= +github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1/go.mod h1:KJwIaB5Mv44NWtYuAOFCVOjcI94vtpEz2JU/D2v6IjE= +github.com/envoyproxy/go-control-plane v0.10.3/go.mod h1:fJJn/j26vwOu972OllsvAgJJM//w9BV6Fxbg2LuVd34= +github.com/envoyproxy/go-control-plane v0.11.0/go.mod h1:VnHyVMpzcLvCFt9yUz1UnCwHLhwx1WguiVDV7pTG/tI= +github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= +github.com/envoyproxy/protoc-gen-validate v0.6.7/go.mod h1:dyJXwwfPK2VSqiB9Klm1J6romD608Ba7Hij42vrOBCo= +github.com/envoyproxy/protoc-gen-validate v0.9.1/go.mod h1:OKNgG7TCp5pF4d6XftA0++PMirau2/yoOwVac3AbF2w= +github.com/envoyproxy/protoc-gen-validate v0.10.0/go.mod h1:DRjgyB0I43LtJapqN6NiRwroiAU2PaFuvk/vjgh61ss= +github.com/envoyproxy/protoc-gen-validate v1.0.4 h1:gVPz/FMfvh57HdSJQyvBtF00j8JU4zdyUgIUNhlgg0A= +github.com/envoyproxy/protoc-gen-validate v1.0.4/go.mod h1:qys6tmnRsYrQqIhm2bvKZH4Blx/1gTIZ2UKVY1M+Yew= github.com/euank/go-kmsg-parser v2.0.0+incompatible h1:cHD53+PLQuuQyLZeriD1V/esuG4MuU0Pjs5y6iknohY= github.com/euank/go-kmsg-parser v2.0.0+incompatible/go.mod h1:MhmAMZ8V4CYH4ybgdRwPr2TU5ThnS43puaKEMpja1uw= github.com/evanphx/json-patch v5.6.0+incompatible h1:jBYDEEiFBPxA0v50tFdvOzQQTCvpL6mnFh5mB2/l16U= @@ -68,6 +96,21 @@ github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nos github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM= github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk= github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= +github.com/go-fonts/dejavu v0.1.0/go.mod h1:4Wt4I4OU2Nq9asgDCteaAaWZOV24E+0/Pwo0gppep4g= +github.com/go-fonts/latin-modern v0.2.0/go.mod h1:rQVLdDMK+mK1xscDwsqM5J8U2jrRa3T0ecnM9pNujks= +github.com/go-fonts/liberation v0.1.1/go.mod h1:K6qoJYypsmfVjWg8KOVDQhLc8UDgIK2HYqyqAO9z7GY= +github.com/go-fonts/liberation v0.2.0/go.mod h1:K6qoJYypsmfVjWg8KOVDQhLc8UDgIK2HYqyqAO9z7GY= +github.com/go-fonts/stix v0.1.0/go.mod h1:w/c1f0ldAUlJmLBvlbkvVXLAD+tAMqobIIQpmnUIzUY= +github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= +github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= +github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= +github.com/go-jose/go-jose/v4 v4.0.1 h1:QVEPDE3OluqXBQZDcnNvQrInro2h0e4eqNbnZSWqS6U= +github.com/go-jose/go-jose/v4 v4.0.1/go.mod h1:WVf9LFMHh/QVrmqrOfqun0C45tMe3RoiKJMPvgWwLfY= +github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= +github.com/go-latex/latex v0.0.0-20210118124228-b3d85cf34e07/go.mod h1:CO1AlKB2CSIqUrmQPqA0gdRIlnLEY0gK5JGjh37zN5U= +github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81/go.mod h1:SX0U8uGpxhq9o2S/CELCSUxEWWAuoCUcVCQWv7G2OCk= +github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU= +github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ= github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= @@ -116,10 +159,57 @@ github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeN github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0= github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= -github.com/google/pprof v0.0.0-20240424215950-a892ee059fd6 h1:k7nVchz72niMH6YLQNvHSdIE7iqsQxK1P41mySCvssg= -github.com/google/pprof v0.0.0-20240424215950-a892ee059fd6/go.mod h1:kf6iHlnVGwgKolg33glAes7Yg/8iWP8ukqeldJSO7jw= +github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs= +github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0= +github.com/google/martian/v3 v3.1.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0= +github.com/google/martian/v3 v3.2.1/go.mod h1:oBOf6HBosgwRXnUGWUB05QECsc6uvmMiJ3+6W4l/CUk= +github.com/google/martian/v3 v3.3.2/go.mod h1:oBOf6HBosgwRXnUGWUB05QECsc6uvmMiJ3+6W4l/CUk= +github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= +github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= +github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= +github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= +github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= +github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= +github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= +github.com/google/pprof 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h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk= +google.golang.org/grpc v1.49.0/go.mod h1:ZgQEeidpAuNRZ8iRrlBKXZQP1ghovWIVhdJRyCDK+GI= +google.golang.org/grpc v1.50.0/go.mod h1:ZgQEeidpAuNRZ8iRrlBKXZQP1ghovWIVhdJRyCDK+GI= +google.golang.org/grpc v1.50.1/go.mod h1:ZgQEeidpAuNRZ8iRrlBKXZQP1ghovWIVhdJRyCDK+GI= +google.golang.org/grpc v1.51.0/go.mod h1:wgNDFcnuBGmxLKI/qn4T+m5BtEBYXJPvibbUPsAIPww= +google.golang.org/grpc v1.52.0/go.mod h1:pu6fVzoFb+NBYNAvQL08ic+lvB2IojljRYuun5vorUY= +google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw= +google.golang.org/grpc v1.54.0/go.mod h1:PUSEXI6iWghWaB6lXM4knEgpJNu2qUcKfDtNci3EC2g= +google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8= +google.golang.org/grpc v1.62.1 h1:B4n+nfKzOICUXMgyrNd19h/I9oH0L1pizfk1d4zSgTk= +google.golang.org/grpc v1.62.1/go.mod h1:IWTG0VlJLCh1SkC58F7np9ka9mx/WNkjl4PGJaiq+QE= +google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw= +google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= +google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= +google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= +google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE= +google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo= +google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= +google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= +google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= +google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4= +google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c= google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI= diff --git a/pkg/nfd-master/nfd-master.go b/pkg/nfd-master/nfd-master.go index 341c9a212f..e0de78db51 100644 --- a/pkg/nfd-master/nfd-master.go +++ b/pkg/nfd-master/nfd-master.go @@ -50,10 +50,12 @@ import ( "k8s.io/klog/v2" controller "k8s.io/kubernetes/pkg/controller" klogutils "sigs.k8s.io/node-feature-discovery/pkg/utils/klog" + spiffe "sigs.k8s.io/node-feature-discovery/pkg/utils/spiffe" taintutils "k8s.io/kubernetes/pkg/util/taints" "sigs.k8s.io/yaml" + "sigs.k8s.io/node-feature-discovery/api/nfd/v1alpha1" nfdv1alpha1 "sigs.k8s.io/node-feature-discovery/api/nfd/v1alpha1" "sigs.k8s.io/node-feature-discovery/pkg/apis/nfd/nodefeaturerule" "sigs.k8s.io/node-feature-discovery/pkg/apis/nfd/validate" @@ -63,6 +65,9 @@ import ( "sigs.k8s.io/node-feature-discovery/pkg/version" ) +// SocketPath specifies Spiffe Socket Path +const SocketPath = "unix:///run/spire/sockets/agent.sock" + // Labels are a Kubernetes representation of discovered features. type Labels map[string]string @@ -85,6 +90,7 @@ type NFDConfig struct { LeaderElection LeaderElectionConfig NfdApiParallelism int Klog klogutils.KlogConfigOpts + EnableSpiffe bool } // LeaderElectionConfig contains the configuration for leader election @@ -104,6 +110,7 @@ type ConfigOverrideArgs struct { NoPublish *bool ResyncPeriod *utils.DurationVal NfdApiParallelism *int + EnableSpiffe *bool } // Args holds command line arguments @@ -155,7 +162,8 @@ type nfdMaster struct { k8sClient k8sclient.Interface nodeUpdaterPool *nodeUpdaterPool deniedNs - config *NFDConfig + config *NFDConfig + spiffeClient *spiffe.SpiffeClient } // NewNfdMaster creates a new NfdMaster server instance. @@ -212,6 +220,12 @@ func NewNfdMaster(opts ...NfdMasterOption) (NfdMaster, error) { nfd.nodeUpdaterPool = newNodeUpdaterPool(nfd) + spiffeClient, err := spiffe.NewSpiffeClient(SocketPath) + if err != nil { + return nfd, err + } + nfd.spiffeClient = spiffeClient + return nfd, nil } @@ -254,7 +268,8 @@ func newDefaultConfig() *NFDConfig { RetryPeriod: utils.DurationVal{Duration: time.Duration(2) * time.Second}, RenewDeadline: utils.DurationVal{Duration: time.Duration(10) * time.Second}, }, - Klog: make(map[string]string), + Klog: make(map[string]string), + EnableSpiffe: false, } } @@ -791,6 +806,14 @@ func (m *nfdMaster) nfdAPIUpdateOneNode(cli k8sclient.Interface, node *corev1.No return objs[i].Namespace < objs[j].Namespace }) + // If spiffe is enabled, we should filter out the non verified NFD objects + if m.config.EnableSpiffe { + objs, err = m.getVerifiedNFDObjects(objs) + if err != nil { + return err + } + } + klog.V(1).InfoS("processing of node initiated by NodeFeature API", "nodeName", node.Name) features := nfdv1alpha1.NewNodeFeatureSpec() @@ -1261,6 +1284,9 @@ func (m *nfdMaster) configure(filepath string, overrides string) error { if m.args.Overrides.NfdApiParallelism != nil { c.NfdApiParallelism = *m.args.Overrides.NfdApiParallelism } + if m.args.Overrides.EnableSpiffe != nil { + c.EnableSpiffe = *m.args.Overrides.EnableSpiffe + } if c.NfdApiParallelism <= 0 { return fmt.Errorf("the maximum number of concurrent labelers should be a non-zero positive number") @@ -1450,3 +1476,27 @@ func patchNode(cli k8sclient.Interface, nodeName string, patches []utils.JsonPat func patchNodeStatus(cli k8sclient.Interface, nodeName string, patches []utils.JsonPatch) error { return patchNode(cli, nodeName, patches, "status") } + +func (m *nfdMaster) getVerifiedNFDObjects(objs []*v1alpha1.NodeFeature) ([]*v1alpha1.NodeFeature, error) { + verifiedObjects := []*v1alpha1.NodeFeature{} + + workerPrivateKey, workerPublicKey, err := m.spiffeClient.GetWorkerKeys() + if err != nil { + return verifiedObjects, err + } + + for _, obj := range objs { + isSignatureVerified, err := spiffe.VerifyDataSignature(obj.Spec, obj.Annotations["signature"], workerPrivateKey, workerPublicKey) + if err != nil { + return nil, fmt.Errorf("failed to verify NodeFeature signature: %w", err) + } + + if isSignatureVerified { + klog.InfoS("NodeFeature verified", "NodeFeature name", obj.Name) + verifiedObjects = append(verifiedObjects, obj) + } else { + klog.InfoS("NodeFeature not verified, skipping...", "NodeFeature name", obj.Name) + } + } + return verifiedObjects, nil +} diff --git a/pkg/nfd-worker/nfd-worker.go b/pkg/nfd-worker/nfd-worker.go index 3575479123..fb225d56c4 100644 --- a/pkg/nfd-worker/nfd-worker.go +++ b/pkg/nfd-worker/nfd-worker.go @@ -19,6 +19,7 @@ package nfdworker import ( "crypto/tls" "crypto/x509" + b64 "encoding/base64" "encoding/json" "fmt" "net" @@ -50,6 +51,7 @@ import ( "sigs.k8s.io/node-feature-discovery/pkg/features" pb "sigs.k8s.io/node-feature-discovery/pkg/labeler" "sigs.k8s.io/node-feature-discovery/pkg/utils" + spiffe "sigs.k8s.io/node-feature-discovery/pkg/utils/spiffe" "sigs.k8s.io/node-feature-discovery/pkg/version" "sigs.k8s.io/node-feature-discovery/source" @@ -67,6 +69,9 @@ import ( _ "sigs.k8s.io/node-feature-discovery/source/usb" ) +// SocketPath specifies Spiffe Socket Path +const SocketPath = "unix:///run/spire/sockets/agent.sock" + // NfdWorker is the interface for nfd-worker daemon type NfdWorker interface { Run() error @@ -87,6 +92,7 @@ type coreConfig struct { Sources *[]string LabelSources []string SleepInterval utils.DurationVal + EnableSpiffe bool } type sourcesConfig map[string]source.Config @@ -118,6 +124,7 @@ type ConfigOverrideArgs struct { FeatureSources *utils.StringSliceVal LabelSources *utils.StringSliceVal + EnableSpiffe *bool } type nfdWorker struct { @@ -133,6 +140,7 @@ type nfdWorker struct { stop chan struct{} // channel for signaling stop featureSources []source.FeatureSource labelSources []source.LabelSource + spiffeClient *spiffe.SpiffeClient } // This ticker can represent infinite and normal intervals. @@ -166,6 +174,12 @@ func NewNfdWorker(args *Args) (NfdWorker, error) { nfd.configFilePath = filepath.Clean(args.ConfigFile) } + spiffeClient, err := spiffe.NewSpiffeClient(SocketPath) + if err != nil { + return nfd, err + } + nfd.spiffeClient = spiffeClient + return nfd, nil } @@ -562,6 +576,9 @@ func (w *nfdWorker) configure(filepath string, overrides string) error { if w.args.Overrides.LabelSources != nil { c.Core.LabelSources = *w.args.Overrides.LabelSources } + if w.args.Overrides.EnableSpiffe != nil { + c.Core.EnableSpiffe = *w.args.Overrides.EnableSpiffe + } c.Core.sanitize() @@ -748,6 +765,14 @@ func (m *nfdWorker) updateNodeFeatureObject(labels Labels) error { }, } + // If Spiffe is enabled, we add the signature to the annotations section + if m.config.Core.EnableSpiffe { + err = m.signNodeFeatureCR(nfr) + if err != nil { + return err + } + } + nfrCreated, err := cli.NfdV1alpha1().NodeFeatures(namespace).Create(context.TODO(), nfr, metav1.CreateOptions{}) if err != nil { return fmt.Errorf("failed to create NodeFeature object %q: %w", nfr.Name, err) @@ -766,6 +791,13 @@ func (m *nfdWorker) updateNodeFeatureObject(labels Labels) error { Labels: labels, } + if m.config.Core.EnableSpiffe { + err = m.signNodeFeatureCR(nfrUpdated) + if err != nil { + return err + } + } + if !apiequality.Semantic.DeepEqual(nfr, nfrUpdated) { klog.InfoS("updating NodeFeature object", "nodefeature", klog.KObj(nfr)) nfrUpdated, err = cli.NfdV1alpha1().NodeFeatures(namespace).Update(context.TODO(), nfrUpdated, metav1.UpdateOptions{}) @@ -823,3 +855,23 @@ func (c *sourcesConfig) UnmarshalJSON(data []byte) error { return nil } + +// signNodeFeatureCR add the signature to the annotations of a given NodeFeature CR +func (m *nfdWorker) signNodeFeatureCR(nfr *nfdv1alpha1.NodeFeature) error { + workerPrivateKey, _, err := m.spiffeClient.GetWorkerKeys() + + if err != nil { + return fmt.Errorf("error while getting worker keys: %w", err) + } + + signature, err := spiffe.SignData(nfr.Spec, workerPrivateKey) + + if err != nil { + return fmt.Errorf("failed to sign CRD data using Spiffe: %w", err) + } + + encodedSignature := b64.StdEncoding.EncodeToString(signature) + nfr.ObjectMeta.Annotations["signature"] = encodedSignature + + return nil +} diff --git a/pkg/utils/spiffe/spiffe.go b/pkg/utils/spiffe/spiffe.go new file mode 100644 index 0000000000..542f4bde17 --- /dev/null +++ b/pkg/utils/spiffe/spiffe.go @@ -0,0 +1,120 @@ +/* +Copyright 2024 The Kubernetes Authors. +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 ( + "context" + "crypto" + "crypto/ecdsa" + "crypto/rand" + "crypto/rsa" + "crypto/sha256" + b64 "encoding/base64" + "encoding/json" + "fmt" + + "github.com/spiffe/go-spiffe/v2/workloadapi" +) + +// WorkerSpiffeID is the SpiffeID of the worker +const WorkerSpiffeID = "spiffe://nfd.com/worker" + +type SpiffeClient struct { + WorkloadApiClient workloadapi.Client +} + +func NewSpiffeClient(socketPath string) (*SpiffeClient, error) { + spiffeClient := SpiffeClient{} + workloadApiClient, err := workloadapi.New(context.Background(), workloadapi.WithAddr(socketPath)) + if err != nil { + return nil, err + } + spiffeClient.WorkloadApiClient = *workloadApiClient + return &spiffeClient, nil +} + +func SignData(data interface{}, privateKey crypto.Signer) ([]byte, error) { + stringifyData, err := json.Marshal(data) + if err != nil { + return []byte{}, err + } + + dataHash := sha256.Sum256([]byte(stringifyData)) + + switch t := privateKey.(type) { + case *rsa.PrivateKey: + signedData, err := rsa.SignPKCS1v15(rand.Reader, privateKey.(*rsa.PrivateKey), crypto.SHA256, dataHash[:]) + if err != nil { + return []byte{}, err + } + return signedData, nil + case *ecdsa.PrivateKey: + signedData, err := ecdsa.SignASN1(rand.Reader, privateKey.(*ecdsa.PrivateKey), dataHash[:]) + if err != nil { + return []byte{}, err + } + return signedData, nil + default: + return nil, fmt.Errorf("unknown private key type: %v", t) + } +} + +func VerifyDataSignature(data interface{}, signedData string, privateKey crypto.Signer, publicKey crypto.PublicKey) (bool, error) { + stringifyData, err := json.Marshal(data) + if err != nil { + return false, err + } + + decodedSignature, err := b64.StdEncoding.DecodeString(signedData) + if err != nil { + return false, err + } + + dataHash := sha256.Sum256([]byte(stringifyData)) + + if err != nil { + return false, err + } + + switch t := privateKey.(type) { + case *rsa.PrivateKey: + err = rsa.VerifyPKCS1v15(publicKey.(*rsa.PublicKey), crypto.SHA256, dataHash[:], decodedSignature) + if err != nil { + return false, err + } + return true, nil + case *ecdsa.PrivateKey: + verify := ecdsa.VerifyASN1(publicKey.(*ecdsa.PublicKey), dataHash[:], decodedSignature) + return verify, nil + default: + return false, fmt.Errorf("unknown private key type: %v", t) + } +} + +func (s *SpiffeClient) GetWorkerKeys() (crypto.Signer, crypto.PublicKey, error) { + ctx := context.Background() + + svids, err := s.WorkloadApiClient.FetchX509SVIDs(ctx) + if err != nil { + return nil, nil, err + } + + for _, svid := range svids { + if svid.ID.String() == WorkerSpiffeID { + return svid.PrivateKey, svid.PrivateKey.Public, nil + } + } + + return nil, nil, fmt.Errorf("cannot sign data: spiffe ID %s is not found", WorkerSpiffeID) +} diff --git a/pkg/utils/spiffe/spiffe_test.go b/pkg/utils/spiffe/spiffe_test.go new file mode 100644 index 0000000000..8fc9f17e2d --- /dev/null +++ b/pkg/utils/spiffe/spiffe_test.go @@ -0,0 +1,119 @@ +/* +Copyright 2024 The Kubernetes Authors. +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 ( + "crypto" + "crypto/ecdsa" + "crypto/elliptic" + "crypto/rand" + "crypto/rsa" + b64 "encoding/base64" + "testing" + + "github.com/stretchr/testify/assert" + "sigs.k8s.io/node-feature-discovery/api/nfd/v1alpha1" +) + +func mockNFRSpec() v1alpha1.NodeFeatureSpec { + return v1alpha1.NodeFeatureSpec{ + Features: v1alpha1.Features{ + Flags: map[string]v1alpha1.FlagFeatureSet{ + "test": { + Elements: map[string]v1alpha1.Nil{ + "test2": {}, + }, + }, + }, + }, + } +} + +func mockWorkerECDSAPrivateKey() (*ecdsa.PrivateKey, *ecdsa.PublicKey) { + privateKey, _ := ecdsa.GenerateKey(elliptic.P384(), rand.Reader) + return privateKey, &privateKey.PublicKey +} + +func mockWorkerRSAPrivateKey() (*rsa.PrivateKey, *rsa.PublicKey) { + privateKey, _ := rsa.GenerateKey(rand.Reader, 4096) + return privateKey, &privateKey.PublicKey +} + +func TestVerify(t *testing.T) { + rsaPrivateKey, rsaPublicKey := mockWorkerRSAPrivateKey() + ecdsaPrivateKey, ecdsaPublicKey := mockWorkerECDSAPrivateKey() + spec := mockNFRSpec() + + tc := []struct { + name string + privateKey crypto.Signer + publicKey crypto.PublicKey + wantErr bool + }{ + { + name: "RSA Keys", + privateKey: rsaPrivateKey, + publicKey: rsaPublicKey, + wantErr: true, + }, + { + name: "ECDSA Keys", + privateKey: ecdsaPrivateKey, + publicKey: ecdsaPublicKey, + wantErr: false, + }, + } + + for _, tt := range tc { + signedData, err := SignData(spec, tt.privateKey) + assert.NoError(t, err) + + isVerified, err := VerifyDataSignature(spec, b64.StdEncoding.EncodeToString(signedData), tt.privateKey, tt.publicKey) + assert.NoError(t, err) + assert.True(t, isVerified) + + signedData = append(signedData, "random"...) + isVerified, err = VerifyDataSignature(spec, b64.StdEncoding.EncodeToString(signedData), tt.privateKey, tt.publicKey) + if tt.wantErr { + assert.Error(t, err) + } else { + assert.False(t, isVerified) + } + } +} + +func TestSignData(t *testing.T) { + rsaPrivateKey, _ := mockWorkerRSAPrivateKey() + ecdsaPrivateKey, _ := mockWorkerECDSAPrivateKey() + spec := mockNFRSpec() + + tc := []struct { + name string + privateKey crypto.Signer + }{ + { + name: "RSA Keys", + privateKey: rsaPrivateKey, + }, + { + name: "ECDSA Keys", + privateKey: ecdsaPrivateKey, + }, + } + + for _, tt := range tc { + _, err := SignData(spec, tt.privateKey) + assert.NoError(t, err) + } +}