chore(argo-cd): Remove liveness probe from application controller (#1581)

Signed-off-by: Petr Drastil <petr.drastil@gmail.com>

charts/argo-cd/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v2.5.0
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 5.9.0
+version: 5.9.1
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 sources:
@@ -22,4 +22,4 @@ dependencies:
     condition: redis-ha.enabled
 annotations:
   artifacthub.io/changes: |
-    - "[Added]: Optional probes for ApplicationSet controller"
+    - "[Removed]: Liveness probe for application controller"

charts/argo-cd/README.md

@@ -441,11 +441,6 @@ NAME: my-release
 | controller.image.tag | string | `""` (defaults to global.image.tag) | Tag to use for the application controller |
 | controller.imagePullSecrets | list | `[]` (defaults to global.imagePullSecrets) | Secrets with credentials to pull images from a private registry |
 | controller.initContainers | list | `[]` | Init containers to add to the application controller pod |
-| controller.livenessProbe.failureThreshold | int | `3` | Minimum consecutive failures for the [probe] to be considered failed after having succeeded |
-| controller.livenessProbe.initialDelaySeconds | int | `10` | Number of seconds after the container has started before [probe] is initiated |
-| controller.livenessProbe.periodSeconds | int | `10` | How often (in seconds) to perform the [probe] |
-| controller.livenessProbe.successThreshold | int | `1` | Minimum consecutive successes for the [probe] to be considered successful after having failed |
-| controller.livenessProbe.timeoutSeconds | int | `1` | Number of seconds after which the [probe] times out |
 | controller.metrics.applicationLabels.enabled | bool | `false` | Enables additional labels in argocd_app_labels metric |
 | controller.metrics.applicationLabels.labels | list | `[]` | Additional labels |
 | controller.metrics.enabled | bool | `false` | Deploy metrics service |

charts/argo-cd/templates/argocd-application-controller/statefulset.yaml

@@ -231,15 +231,6 @@ spec:
         - name: metrics
           containerPort: {{ .Values.controller.containerPort }}
           protocol: TCP
-        livenessProbe:
-          httpGet:
-            path: /healthz
-            port: metrics
-          initialDelaySeconds: {{ .Values.controller.livenessProbe.initialDelaySeconds }}
-          periodSeconds: {{ .Values.controller.livenessProbe.periodSeconds }}
-          timeoutSeconds: {{ .Values.controller.livenessProbe.timeoutSeconds }}
-          successThreshold: {{ .Values.controller.livenessProbe.successThreshold }}
-          failureThreshold: {{ .Values.controller.livenessProbe.failureThreshold }}
         readinessProbe:
           httpGet:
             path: /healthz

charts/argo-cd/templates/dex/deployment.yaml

@@ -98,18 +98,22 @@ spec:
           httpGet:
             path: /healthz/live
             port: metrics
-          {{- with .Values.dex.livenessProbe }}
+          initialDelaySeconds: {{ .Values.dex.livenessProbe.initialDelaySeconds }}
-            {{- omit . "enabled" | toYaml | nindent 10 }}
+          periodSeconds: {{ .Values.dex.livenessProbe.periodSeconds }}
-          {{- end }}
+          timeoutSeconds: {{ .Values.dex.livenessProbe.timeoutSeconds }}
+          successThreshold: {{ .Values.dex.livenessProbe.successThreshold }}
+          failureThreshold: {{ .Values.dex.livenessProbe.failureThreshold }}
         {{- end }}
         {{- if .Values.dex.readinessProbe.enabled }}
         readinessProbe:
           httpGet:
             path: /healthz/ready
             port: metrics
-          {{- with .Values.dex.readinessProbe }}
+          initialDelaySeconds: {{ .Values.dex.readinessProbe.initialDelaySeconds }}
-            {{- omit . "enabled" | toYaml | nindent 10 }}
+          periodSeconds: {{ .Values.dex.readinessProbe.periodSeconds }}
-          {{- end }}
+          timeoutSeconds: {{ .Values.dex.readinessProbe.timeoutSeconds }}
+          successThreshold: {{ .Values.dex.readinessProbe.successThreshold }}
+          failureThreshold: {{ .Values.dex.readinessProbe.failureThreshold }}
         {{- end }}
         volumeMounts:
         - name: static-files

charts/argo-cd/values.yaml

@@ -569,7 +569,7 @@ controller:
   # -- Application controller listening port
   containerPort: 8082
 
-  ## Readiness and liveness probes for default backend
+  # Rediness probe for application controller
   ## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/
   readinessProbe:
     # -- Minimum consecutive failures for the [probe] to be considered failed after having succeeded
@@ -582,17 +582,6 @@ controller:
     successThreshold: 1
     # -- Number of seconds after which the [probe] times out
     timeoutSeconds: 1
-  livenessProbe:
-    # -- Minimum consecutive failures for the [probe] to be considered failed after having succeeded
-    failureThreshold: 3
-    # -- Number of seconds after the container has started before [probe] is initiated
-    initialDelaySeconds: 10
-    # -- How often (in seconds) to perform the [probe]
-    periodSeconds: 10
-    # -- Minimum consecutive successes for the [probe] to be considered successful after having failed
-    successThreshold: 1
-    # -- Number of seconds after which the [probe] times out
-    timeoutSeconds: 1
 
   # -- Additional volumeMounts to the application controller main container
   volumeMounts: []