Udash agent/addpersistance

charts/udash-agent/README.md

@@ -123,6 +123,11 @@ helm uninstall udash-agent
 | images.agentrelay.tag | string | `"v0.14.0@sha256:a52edcb9535d8c392a2e592bf7c3b4fc0c14ecd4b1360aa96639145038b5da75"` | Overrides the image tag whose default is the chart appVersion. |
 | nameOverride | string | `""` | Override for the chart name used in resource names. |
 | nodeSelector | object | `{}` | Node selector for pod scheduling. |
+| persistence.accessModes | list | `["ReadWriteOnce"]` | Access modes for the PersistentVolumeClaim. |
+| persistence.annotations | object | `{}` | Annotations to add to the PersistentVolumeClaim. |
+| persistence.enabled | bool | `false` | Enable a PersistentVolumeClaim to persist the Updatecli tmp folder (`/tmp/updatecli`) across executions. One PVC is created per agent CronJob and per Argo workflow entry. |
+| persistence.size | string | `"1Gi"` | Size of the PersistentVolumeClaim. |
+| persistence.storageClassName | string | `""` | Storage class name for the PersistentVolumeClaim. Leave empty to use the cluster default. |
 | podAnnotations | object | `{}` | Annotations to add to all pods. |
 | podSecurityContext | object | `{}` | Pod-level security context. |
 | resources | object | `{}` | Resource requests and limits for all containers. Ref: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ |

charts/udash-agent/templates/argoworkflow.yaml

@@ -15,16 +15,28 @@ spec:
       - name: updatecli-compose-file
         description: the updatecli compose file
         default: updatecli-compose.yaml
+      {{- if $.Values.persistence.enabled }}
+      - name: tmp-pvc-name
+        description: PersistentVolumeClaim name for the updatecli tmp folder
+      {{- end }}
   templates:
     - name: main
       volumes:
         - name: workspace
           emptyDir: {}
+        {{- if $.Values.persistence.enabled }}
+        - name: updatecli-tmp
+          persistentVolumeClaim:
+            claimName: "{{ "{{" }} inputs.parameters.tmp-pvc-name {{ "}}" }}"
+        {{- end }}
       inputs:
         parameters:
           - name: repo-url
           - name: repo-branch
           - name: updatecli-compose-file
+          {{- if $.Values.persistence.enabled }}
+          - name: tmp-pvc-name
+          {{- end }}
       containerSet:
         volumeMounts:
           - mountPath: /workspace
@@ -55,6 +67,11 @@ spec:
               # {{- end }}
             resources:
               {{- toYaml $.Values.resources | nindent 14 }}
+            {{- if $.Values.persistence.enabled }}
+            volumeMounts:
+              - mountPath: /tmp/updatecli
+                name: updatecli-tmp
+            {{- end }}
             args:
               - |
                 cd /workspace
@@ -123,4 +140,8 @@ spec:
           value: "{{ $workflow.branch }}"
         - name: updatecli-compose-file
           value: "{{ $workflow.composefile }}"
+        {{- if $.Values.persistence.enabled }}
+        - name: tmp-pvc-name
+          value: "{{ include "udash.fullname" $ }}-workflow-{{ $id }}"
+        {{- end }}
 #{{ end }}

charts/udash-agent/templates/cronjob-agent.yaml

@@ -52,11 +52,20 @@ spec:
                 - name: "config"
                   mountPath: "/etc/updatecli/"
                   readonly: true
+                {{- if $.Values.persistence.enabled }}
+                - name: updatecli-tmp
+                  mountPath: /tmp/updatecli
+                {{- end }}
 
           volumes:
             - name: config
               configMap:
                 name: '{{ include "udash.configMapName" $ }}-agent-{{ $id }}'
+            {{- if $.Values.persistence.enabled }}
+            - name: updatecli-tmp
+              persistentVolumeClaim:
+                claimName: '{{ include "udash.fullname" $ }}-agent-{{ $id }}'
+            {{- end }}
           {{- with $.Values.nodeSelector }}
           nodeSelector:
             {{- toYaml . | nindent 8 }}

charts/udash-agent/templates/pvc-agent.yaml

@@ -0,0 +1,24 @@
+{{- if $.Values.persistence.enabled }}
+{{ range $id, $agent := .Values.agents }}
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "udash.fullname" $ }}-agent-{{ $id }}
+  labels:
+    {{- include "udash.labels" $ | nindent 4 }}
+  {{- with $.Values.persistence.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  accessModes:
+    {{- toYaml $.Values.persistence.accessModes | nindent 4 }}
+  resources:
+    requests:
+      storage: {{ $.Values.persistence.size }}
+  {{- if $.Values.persistence.storageClassName }}
+  storageClassName: {{ $.Values.persistence.storageClassName }}
+  {{- end }}
+{{- end }}
+{{- end }}

charts/udash-agent/templates/pvc-workflow.yaml

@@ -0,0 +1,24 @@
+{{- if and $.Values.persistence.enabled $.Values.workflows }}
+{{ range $id, $workflow := .Values.workflows }}
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "udash.fullname" $ }}-workflow-{{ $id }}
+  labels:
+    {{- include "udash.labels" $ | nindent 4 }}
+  {{- with $.Values.persistence.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  accessModes:
+    {{- toYaml $.Values.persistence.accessModes | nindent 4 }}
+  resources:
+    requests:
+      storage: {{ $.Values.persistence.size }}
+  {{- if $.Values.persistence.storageClassName }}
+  storageClassName: {{ $.Values.persistence.storageClassName }}
+  {{- end }}
+{{- end }}
+{{- end }}

charts/udash-agent/values.yaml

@@ -110,6 +110,19 @@ autoscaling:
   targetCPUUtilizationPercentage: 80
   # targetMemoryUtilizationPercentage: 80
 
+persistence:
+  # -- Enable a PersistentVolumeClaim to persist the Updatecli tmp folder (`/tmp/updatecli`) across executions. One PVC is created per agent CronJob and per Argo workflow entry.
+  enabled: false
+  # -- Storage class name for the PersistentVolumeClaim. Leave empty to use the cluster default.
+  storageClassName: ""
+  # -- Access modes for the PersistentVolumeClaim.
+  accessModes:
+    - ReadWriteOnce
+  # -- Size of the PersistentVolumeClaim.
+  size: 1Gi
+  # -- Annotations to add to the PersistentVolumeClaim.
+  annotations: {}
+
 # -- Node selector for pod scheduling.
 nodeSelector: {}
 # -- Tolerations for pod scheduling.