Add .spec.kubeConfig.secretRef.key

Signed-off-by: Nick Stogner <[email protected]>

api/go.mod

@@ -4,7 +4,7 @@ go 1.17
 
 require (
 	github.com/fluxcd/pkg/apis/kustomize v0.3.3
-	github.com/fluxcd/pkg/apis/meta v0.12.2
+	github.com/fluxcd/pkg/apis/meta v0.13.0
 	k8s.io/apiextensions-apiserver v0.23.5
 	k8s.io/apimachinery v0.23.5
 	sigs.k8s.io/controller-runtime v0.11.2

api/go.sum

@@ -122,8 +122,8 @@ github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5Kwzbycv
 github.com/felixge/httpsnoop v1.0.1/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/fluxcd/pkg/apis/kustomize v0.3.3 h1:bPN29SdVzWl0yhgivuf/83IAe2R6vUuDVcB3LzyVU8E=
 github.com/fluxcd/pkg/apis/kustomize v0.3.3/go.mod h1:5HTOFZfQFVMMqR2rvuxpbZhpb+sQpcTT6RCQZOhjFzA=
-github.com/fluxcd/pkg/apis/meta v0.12.2 h1:AiKAZxLyPtV150y63WC+mL1Qm4x5qWQmW6r4mLy1i8c=
-github.com/fluxcd/pkg/apis/meta v0.12.2/go.mod h1:Z26X5uTU5LxAyWETGueRQY7TvdPaGfKU7Wye9bdUlho=
+github.com/fluxcd/pkg/apis/meta v0.13.0 h1:0QuNKEExSjk+Rv0I6a85p2H3xOlWhdxZRsh10waEL/c=
+github.com/fluxcd/pkg/apis/meta v0.13.0/go.mod h1:Z26X5uTU5LxAyWETGueRQY7TvdPaGfKU7Wye9bdUlho=
 github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
 github.com/form3tech-oss/jwt-go v3.2.3+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=

api/v2beta1/helmrelease_types.go

@@ -213,16 +213,17 @@ func (in HelmReleaseSpec) GetUninstall() Uninstall {
 
 // KubeConfig references a Kubernetes secret that contains a kubeconfig file.
 type KubeConfig struct {
-	// SecretRef holds the name to a secret that contains a 'value' key with
-	// the kubeconfig file as the value. It must be in the same namespace as
+	// SecretRef holds the name to a secret that contains a key with
+	// the kubeconfig file as the value. If no key is specified the key will
+	// default to 'value'. The secret must be in the same namespace as
 	// the HelmRelease.
 	// It is recommended that the kubeconfig is self-contained, and the secret
 	// is regularly updated if credentials such as a cloud-access-token expire.
 	// Cloud specific `cmd-path` auth helpers will not function without adding
 	// binaries and credentials to the Pod that is responsible for reconciling
 	// the HelmRelease.
 	// +required
-	SecretRef meta.LocalObjectReference `json:"secretRef,omitempty"`
+	SecretRef meta.SecretKeyReference `json:"secretRef,omitempty"`
 }
 
 // HelmChartTemplate defines the template from which the controller will

config/crd/bases/helm.toolkit.fluxcd.io_helmreleases.yaml

@@ -245,16 +245,20 @@ spec:
                 properties:
                   secretRef:
                     description: SecretRef holds the name to a secret that contains
-                      a 'value' key with the kubeconfig file as the value. It must
-                      be in the same namespace as the HelmRelease. It is recommended
-                      that the kubeconfig is self-contained, and the secret is regularly
-                      updated if credentials such as a cloud-access-token expire.
-                      Cloud specific `cmd-path` auth helpers will not function without
-                      adding binaries and credentials to the Pod that is responsible
-                      for reconciling the HelmRelease.
+                      a key with the kubeconfig file as the value. If no key is specified
+                      the key will default to 'value'. The secret must be in the same
+                      namespace as the HelmRelease. It is recommended that the kubeconfig
+                      is self-contained, and the secret is regularly updated if credentials
+                      such as a cloud-access-token expire. Cloud specific `cmd-path`
+                      auth helpers will not function without adding binaries and credentials
+                      to the Pod that is responsible for reconciling the HelmRelease.
                     properties:
+                      key:
+                        description: Key in the Secret, when not specified an implementation-specific
+                          default key is used.
+                        type: string
                       name:
-                        description: Name of the referent.
+                        description: Name of the Secret.
                         type: string
                     required:
                     - name

controllers/helmrelease_controller.go

@@ -500,16 +500,17 @@ func (r *HelmReleaseReconciler) getRESTClientGetter(ctx context.Context, hr v2.H
 		}
 
 		var kubeConfig []byte
-		for k, _ := range secret.Data {
-			if k == "value" || k == "value.yaml" {
-				kubeConfig = secret.Data[k]
-				break
-			}
-		}
-
-		if len(kubeConfig) == 0 {
+		if key := hr.Spec.KubeConfig.SecretRef.Key; key != "" {
+			kubeConfig = secret.Data[key]
+		} else if val, ok := secret.Data["value"]; ok {
+			kubeConfig = val
+		} else if val, ok := secret.Data["value.yaml"]; ok {
+			kubeConfig = val
+		} else {
+			// User did not specify a key, and the 'value' key was not defined.
 			return nil, fmt.Errorf("KubeConfig secret '%s' does not contain a 'value' key", secretName)
 		}
+
 		return kube.NewMemoryRESTClientGetter(kubeConfig, hr.GetReleaseNamespace(), impersonateAccount, r.Config.QPS, r.Config.Burst, r.KubeConfigOpts), nil
 	}
 

docs/api/helmrelease.md

@@ -1398,14 +1398,15 @@ no retries remain. Defaults to &lsquo;false&rsquo;.</p>
 <td>
 <code>secretRef</code><br>
 <em>
-<a href="https://godoc.org/github.com/fluxcd/pkg/apis/meta#LocalObjectReference">
-github.com/fluxcd/pkg/apis/meta.LocalObjectReference
+<a href="https://godoc.org/github.com/fluxcd/pkg/apis/meta#SecretKeyReference">
+github.com/fluxcd/pkg/apis/meta.SecretKeyReference
 </a>
 </em>
 </td>
 <td>
-<p>SecretRef holds the name to a secret that contains a &lsquo;value&rsquo; key with
-the kubeconfig file as the value. It must be in the same namespace as
+<p>SecretRef holds the name to a secret that contains a key with
+the kubeconfig file as the value. If no key is specified the key will
+default to &lsquo;value&rsquo;. The secret must be in the same namespace as
 the HelmRelease.
 It is recommended that the kubeconfig is self-contained, and the secret
 is regularly updated if credentials such as a cloud-access-token expire.

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/fluxcd/helm-controller/api v0.20.1
 	github.com/fluxcd/pkg/apis/acl v0.0.3
 	github.com/fluxcd/pkg/apis/kustomize v0.3.3
-	github.com/fluxcd/pkg/apis/meta v0.12.2
+	github.com/fluxcd/pkg/apis/meta v0.13.0
 	github.com/fluxcd/pkg/runtime v0.14.1
 	github.com/fluxcd/source-controller/api v0.24.1
 	github.com/go-logr/logr v1.2.3

go.sum

@@ -305,8 +305,8 @@ github.com/fluxcd/pkg/apis/acl v0.0.3 h1:Lw0ZHdpnO4G7Zy9KjrzwwBmDZQuy4qEjaU/RvA6
 github.com/fluxcd/pkg/apis/acl v0.0.3/go.mod h1:XPts6lRJ9C9fIF9xVWofmQwftvhY25n1ps7W9xw0XLU=
 github.com/fluxcd/pkg/apis/kustomize v0.3.3 h1:bPN29SdVzWl0yhgivuf/83IAe2R6vUuDVcB3LzyVU8E=
 github.com/fluxcd/pkg/apis/kustomize v0.3.3/go.mod h1:5HTOFZfQFVMMqR2rvuxpbZhpb+sQpcTT6RCQZOhjFzA=
-github.com/fluxcd/pkg/apis/meta v0.12.2 h1:AiKAZxLyPtV150y63WC+mL1Qm4x5qWQmW6r4mLy1i8c=
-github.com/fluxcd/pkg/apis/meta v0.12.2/go.mod h1:Z26X5uTU5LxAyWETGueRQY7TvdPaGfKU7Wye9bdUlho=
+github.com/fluxcd/pkg/apis/meta v0.13.0 h1:0QuNKEExSjk+Rv0I6a85p2H3xOlWhdxZRsh10waEL/c=
+github.com/fluxcd/pkg/apis/meta v0.13.0/go.mod h1:Z26X5uTU5LxAyWETGueRQY7TvdPaGfKU7Wye9bdUlho=
 github.com/fluxcd/pkg/runtime v0.14.1 h1:ZbS3RzR+f+wu1e6Y7GoCxY9PFZkOgX6/gL7Enr75CY0=
 github.com/fluxcd/pkg/runtime v0.14.1/go.mod h1:eS4378ydLlWPt2fFjcrAAnJegGJNj3Q/iqYZqjBeWlM=
 github.com/fluxcd/source-controller/api v0.24.1 h1:bFpfajE09k/xNIWkgNZtmtPrw/dS0zWUYMYxUUWu+jI=