Add option to ExternalService to control envoy proxy arguments

monzo · Apr 4, 2024 · 3b7ec6b · 3b7ec6b
1 parent 77b65bc
commit 3b7ec6b
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Showing 3 changed files with 9 additions and 0 deletions.
diff --git a/api/v1/externalservice_types.go b/api/v1/externalservice_types.go
@@ -63,6 +63,9 @@ type ExternalServiceSpec struct {
 	// +optional
 	EnvoyClusterMaxConnections *uint32 `json:"envoyClusterMaxConnections,omitempty"`
 
+	// Additional arguments passed to the Envoy proxy image
+	EnvoyArguments []string `json:"envoyArguments,omitempty"`
+
 	// Provides a way to override the global default
 	// +optional
 	ServiceTopologyMode string `json:"serviceTopologyMode,omitempty"`

diff --git a/config/crd/bases/egress.monzo.com_externalservices.yaml b/config/crd/bases/egress.monzo.com_externalservices.yaml
@@ -39,6 +39,11 @@ spec:
               dnsName:
                 description: DnsName is a DNS name target for the external service
                 type: string
+              envoyArguments:
+                description:  Additional arguments passed to the Envoy proxy image
+                type: array
+                items:
+                  type: string
               envoyClusterMaxConnections:
                 description: The maximum number of connections that Envoy will establish
                   to all hosts in an upstream cluster (defaults to 1024). If this

diff --git a/controllers/deployment.go b/controllers/deployment.go
@@ -189,6 +189,7 @@ func deployment(es *egressv1.ExternalService, configHash string) *appsv1.Deploym
 						{
 							Name:            "gateway",
 							Image:           img,
+							Args:            es.Spec.EnvoyArguments,
 							ImagePullPolicy: corev1.PullIfNotPresent,
 							Ports:           deploymentPorts(es),
 							VolumeMounts: []corev1.VolumeMount{