feat(argo-cd): Add optional mapping of argocd-repo-server emptydir to custom volumes (#2410)

* Add optional volumes to replace emptydir

Provide user-driven option to replace emptydir volumes with desired solution

Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

* existingVolumes default values

provide default values with empy object to ensure default behavior is backward-compatible

Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

* Update Chart.yaml

bump version

Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

* Update Chart.yaml

add changelog

Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

* fix docs

fix docs on new entry

Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

* fix readme

Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

* Update README.md.gotmpl

Signoff commit

Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

* fix readme

Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

* fixCamelCase
Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

---------

Signed-off-by: Michele Sacchetti <michele.sacchetti@aroundthecode.org>

charts/argo-cd/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: v2.9.3
 kubeVersion: ">=1.23.0-0"
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 5.52.2
+version: 5.53.0
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 sources:
@@ -26,5 +26,5 @@ annotations:
     fingerprint: 2B8F22F57260EFA67BE1C5824B11F800CD9D2252
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
-    - kind: fixed
+    - kind: added
-      description: Missing colon for policy.csv block
+      description: Optionally map argocd-repo-server emptydir volumes on custom volumes

charts/argo-cd/README.md

@@ -105,6 +105,10 @@ For full list of changes please check ArtifactHub [changelog].
 
 Highlighted versions provide information about additional steps that should be performed by user when upgrading to newer version.
 
+### 5.53.0
+
+Argocd-repo-server can now optionally use Persistent Volumes for its mountpoints instead of only emptydir()
+
 ### 5.52.0
 Because [Argo CD Extensions] is now deprecated and no further changes will be made, we switched to [Argo CD Extension Installer], adding an Argo CD Extension Installer to init-container in the Argo CD API server.
 If you used old mechanism, please move to new mechanism. For more details, please refer `.Values.server.extensions` in values.yaml.
@@ -609,6 +613,7 @@ NAME: my-release
 | repoServer.dnsPolicy | string | `"ClusterFirst"` | Alternative DNS policy for Repo server pods |
 | repoServer.env | list | `[]` | Environment variables to pass to repo server |
 | repoServer.envFrom | list | `[]` (See [values.yaml]) | envFrom to pass to repo server |
+| repoServer.existingVolumes | object | `{}` | Volumes to be used in replacement of emptydir on default volumes |
 | repoServer.extraArgs | list | `[]` | Additional command line arguments to pass to repo server |
 | repoServer.extraContainers | list | `[]` | Additional containers to be added to the repo server pod |
 | repoServer.hostNetwork | bool | `false` | Host Network for Repo server pods |

charts/argo-cd/README.md.gotmpl

@@ -104,6 +104,10 @@ For full list of changes please check ArtifactHub [changelog].
 
 Highlighted versions provide information about additional steps that should be performed by user when upgrading to newer version.
 
+### 5.53.0
+
+Argocd-repo-server can now optionally use Persistent Volumes for its mountpoints instead of only emptydir()
+
 ### 5.52.0
 Because [Argo CD Extensions] is now deprecated and no further changes will be made, we switched to [Argo CD Extension Installer], adding an Argo CD Extension Installer to init-container in the Argo CD API server.
 If you used old mechanism, please move to new mechanism. For more details, please refer `.Values.server.extensions` in values.yaml.

charts/argo-cd/templates/argocd-repo-server/deployment.yaml

@@ -373,14 +373,30 @@ spec:
       {{- end }}
       {{- if .Values.repoServer.useEphemeralHelmWorkingDir }}
       - name: helm-working-dir
+        {{- if .Values.repoServer.existingVolumes.helmWorkingDir -}}
+        {{ toYaml .Values.repoServer.existingVolumes.helmWorkingDir | nindent 8  }}
+        {{- else }}
         emptyDir: {}
+        {{- end }}
       {{- end }}
       - name: plugins
+        {{- if .Values.repoServer.existingVolumes.plugins -}}
+        {{ toYaml .Values.repoServer.existingVolumes.plugins | nindent 8  }}
+        {{- else }}
         emptyDir: {}
+        {{- end }}
       - name: var-files
+        {{- if .Values.repoServer.existingVolumes.varFiles -}}
+        {{ toYaml .Values.repoServer.existingVolumes.varFiles | nindent 8  }}
+        {{- else }}
         emptyDir: {}
+        {{- end }}
       - name: tmp
+        {{- if .Values.repoServer.existingVolumes.tmp -}}
+        {{ toYaml .Values.repoServer.existingVolumes.tmp | nindent 8  }}
+        {{- else }}
         emptyDir: {}
+        {{- end }}
       - name: ssh-known-hosts
         configMap:
           name: argocd-ssh-known-hosts-cm
@@ -391,7 +407,11 @@ spec:
         configMap:
           name: argocd-gpg-keys-cm
       - name: gpg-keyring
+        {{- if .Values.repoServer.existingVolumes.gpgKeyring -}}
+        {{ toYaml .Values.repoServer.existingVolumes.gpgKeyring | nindent 8  }}
+        {{- else }}
         emptyDir: {}
+        {{- end }}
       - name: argocd-repo-server-tls
         secret:
           secretName: argocd-repo-server-tls

charts/argo-cd/values.yaml

@@ -2217,6 +2217,24 @@ repoServer:
   #  - name: cmp-tmp
   #    emptyDir: {}
 
+  # -- Volumes to be used in replacement of emptydir on default volumes
+  existingVolumes: {}
+  #  gpgKeyring:
+  #    persistentVolumeClaim:
+  #      claimName: pvc-argocd-repo-server-keyring
+  #  helmWorkingDir:
+  #    persistentVolumeClaim:
+  #      claimName: pvc-argocd-repo-server-workdir
+  #  tmp:
+  #    persistentVolumeClaim:
+  #      claimName: pvc-argocd-repo-server-tmp
+  #  varFiles:
+  #    persistentVolumeClaim:
+  #      claimName: pvc-argocd-repo-server-varfiles
+  #  plugins:
+  #    persistentVolumeClaim:
+  #      claimName: pvc-argocd-repo-server-plugins
+
   # -- Toggle the usage of a ephemeral Helm working directory
   useEphemeralHelmWorkingDir: true