[bitnami/ghost] Include diagnosticMode feature (#18396)

* [bitnami/ghost] Include diagnosticMode feature

Signed-off-by: Fran Mulero <fmulero@vmware.com>

* Update README.md

Signed-off-by: Fran Mulero <fmulero@vmware.com>

---------

Signed-off-by: Fran Mulero <fmulero@vmware.com>

Author: fmulero

bitnami/ghost/Chart.yaml

@@ -40,4 +40,4 @@ maintainers:
 name: ghost
 sources:
 - https://github.com/bitnami/charts/tree/main/bitnami/ghost
-version: 19.3.37
+version: 19.4.0

bitnami/ghost/README.md

@@ -65,15 +65,18 @@ The command removes all the Kubernetes components associated with the chart and
 
 ### Common parameters
 
-| Name                | Description                                        | Value           |
-| ------------------- | -------------------------------------------------- | --------------- |
-| `kubeVersion`       | Override Kubernetes version                        | `""`            |
-| `nameOverride`      | String to partially override common.names.fullname | `""`            |
-| `fullnameOverride`  | String to fully override common.names.fullname     | `""`            |
-| `commonLabels`      | Labels to add to all deployed objects              | `{}`            |
-| `commonAnnotations` | Annotations to add to all deployed objects         | `{}`            |
-| `clusterDomain`     | Kubernetes cluster domain name                     | `cluster.local` |
-| `extraDeploy`       | Array of extra objects to deploy with the release  | `[]`            |
+| Name                     | Description                                                                             | Value           |
+| ------------------------ | --------------------------------------------------------------------------------------- | --------------- |
+| `kubeVersion`            | Override Kubernetes version                                                             | `""`            |
+| `nameOverride`           | String to partially override common.names.fullname                                      | `""`            |
+| `fullnameOverride`       | String to fully override common.names.fullname                                          | `""`            |
+| `commonLabels`           | Labels to add to all deployed objects                                                   | `{}`            |
+| `commonAnnotations`      | Annotations to add to all deployed objects                                              | `{}`            |
+| `clusterDomain`          | Kubernetes cluster domain name                                                          | `cluster.local` |
+| `extraDeploy`            | Array of extra objects to deploy with the release                                       | `[]`            |
+| `diagnosticMode.enabled` | Enable diagnostic mode (all probes will be disabled and the command will be overridden) | `false`         |
+| `diagnosticMode.command` | Command to override all containers in the deployment                                    | `["sleep"]`     |
+| `diagnosticMode.args`    | Args to override all containers in the deployment                                       | `["infinity"]`  |
 
 ### Ghost Image parameters
 

bitnami/ghost/templates/deployment.yaml

@@ -110,15 +110,19 @@ spec:
           {{- if .Values.lifecycleHooks }}
           lifecycle: {{- include "common.tplvalues.render" (dict "value" .Values.lifecycleHooks "context" $) | nindent 12 }}
           {{- end }}
-          {{- if .Values.command }}
+          {{- if .Values.diagnosticMode.enabled }}
+          command: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.command "context" $) | nindent 12 }}
+          {{- else if .Values.command }}
           command: {{- include "common.tplvalues.render" (dict "value" .Values.command "context" $) | nindent 12 }}
           {{- end }}
-          {{- if .Values.args }}
+          {{- if .Values.diagnosticMode.enabled }}
+          args: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.args "context" $) | nindent 12 }}
+          {{- else if .Values.args }}
           args: {{- include "common.tplvalues.render" (dict "value" .Values.args "context" $) | nindent 12 }}
           {{- end }}
           env:
             - name: BITNAMI_DEBUG
-              value: {{ ternary "true" "false" .Values.image.debug | quote }}
+              value: {{ ternary "true" "false" (or .Values.image.debug .Values.diagnosticMode.enabled) | quote }}
             - name: ALLOW_EMPTY_PASSWORD
               value: {{ ternary "yes" "no" .Values.allowEmptyPassword | quote }}
             - name: GHOST_DATABASE_HOST
@@ -235,6 +239,7 @@ spec:
             failureThreshold: {{ .Values.startupProbe.failureThreshold }}
             successThreshold: {{ .Values.startupProbe.successThreshold }}
           {{- end }}
+          {{- if not .Values.diagnosticMode.enabled }}
           {{- if .Values.customLivenessProbe }}
           livenessProbe: {{- include "common.tplvalues.render" (dict "value" .Values.customLivenessProbe "context" $) | nindent 12 }}
           {{- else if .Values.livenessProbe.enabled }}
@@ -273,6 +278,7 @@ spec:
             failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
             successThreshold: {{ .Values.readinessProbe.successThreshold }}
           {{- end }}
+          {{- end }}
           {{- if .Values.resources }}
           resources: {{- toYaml .Values.resources | nindent 12 }}
           {{- end }}

bitnami/ghost/values.yaml

@@ -43,6 +43,21 @@ clusterDomain: cluster.local
 ##
 extraDeploy: []
 
+## Enable diagnostic mode in the deployment
+##
+diagnosticMode:
+  ## @param diagnosticMode.enabled Enable diagnostic mode (all probes will be disabled and the command will be overridden)
+  ##
+  enabled: false
+  ## @param diagnosticMode.command Command to override all containers in the deployment
+  ##
+  command:
+    - sleep
+  ## @param diagnosticMode.args Args to override all containers in the deployment
+  ##
+  args:
+    - infinity
+
 ## @section Ghost Image parameters
 
 ## Bitnami Ghost image