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VietND96VietND96
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Improve keda objects cleanup when helm delete
Signed-off-by: Viet Nguyen Duc <[email protected]>
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7 files changed

+114
-19
lines changed

7 files changed

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-19
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‎charts/selenium-grid/CONFIGURATION.md‎

Lines changed: 4 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -394,9 +394,10 @@ A Helm chart for creating a Selenium Grid Server in Kubernetes
394394
| autoscaling.annotations | object | `{"helm.sh/hook":"post-install,post-upgrade,post-rollback","helm.sh/hook-weight":"1"}` | Annotations for KEDA resources: ScaledObject and ScaledJob |
395395
| autoscaling.patchObjectFinalizers.nameOverride | string | `nil` | Override the name of the patch job |
396396
| autoscaling.patchObjectFinalizers.enabled | bool | `true` | Enable patching finalizers for KEDA scaled resources. Workaround for Hook post-upgrade selenium-grid/templates/x-node-hpa.yaml failed: object is being deleted: scaledobjects.keda.sh "x" already exists |
397-
| autoscaling.patchObjectFinalizers.activeDeadlineSeconds | int | `120` | Deadline (in seconds) for patch job to complete |
398-
| autoscaling.patchObjectFinalizers.annotations | object | `{"helm.sh/hook":"post-install,post-upgrade,post-rollback,pre-delete","helm.sh/hook-delete-policy":"hook-succeeded,before-hook-creation","helm.sh/hook-weight":"-1"}` | Annotations for patch job |
399-
| autoscaling.patchObjectFinalizers.cleanUpScript | string | `""` | Define your custom script to replace the default script |
397+
| autoscaling.patchObjectFinalizers.activeDeadlineSeconds | int | `300` | Deadline (in seconds) for patch job to complete |
398+
| autoscaling.patchObjectFinalizers.annotations | object | `{"helm.sh/hook":"pre-delete","helm.sh/hook-delete-policy":"hook-succeeded,before-hook-creation"}` | Annotations for patch job |
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| autoscaling.patchObjectFinalizers.deleteObjectsScript | string | `""` | Define your custom script to replace the default script |
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| autoscaling.patchObjectFinalizers.patchFinalizersScript | string | `""` | Define your custom script to replace the default script |
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| autoscaling.patchObjectFinalizers.defaultMode | int | `493` | Default mode for ConfigMap is mounted as file |
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| autoscaling.patchObjectFinalizers.serviceAccount | string | `""` | Define an external service account name contains permissions to patch KEDA scaled resources |
402403
| autoscaling.patchObjectFinalizers.imagePullSecret | string | `""` | Custom pull secret for container in patch job |

‎charts/selenium-grid/templates/_nameHelpers.tpl‎

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -260,11 +260,18 @@ Server ConfigMap fullname
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{{- tpl (default (include "seleniumGrid.component.name" (list "selenium-server-config" $)) .Values.serverConfigMap.nameOverride) $ | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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263+
{{/*
264+
Delete scaledObjects leafover job fullname
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*/}}
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{{- define "seleniumGrid.keda.deleteObjectsJob.fullname" -}}
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{{- printf "%s-scaledobjects-deletion" (tpl ( default (include "seleniumGrid.component.name" (list "selenium-patch" $)) .Values.autoscaling.patchObjectFinalizers.nameOverride) $) | trunc 63 | trimSuffix "-" -}}
268+
{{- end -}}
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263270
{{/*
264271
Patch scaledObjects finalizers job fullname
265272
*/}}
266273
{{- define "seleniumGrid.keda.patchObjectsJob.fullname" -}}
267-
{{- tpl ( default (include "seleniumGrid.component.name" (list "selenium-patch-scaledobjects-finalizers" $)) .Values.autoscaling.patchObjectFinalizers.nameOverride) $ | trunc 63 | trimSuffix "-" -}}
274+
{{- printf "%s-scaledobjects-finalizers" (tpl ( default (include "seleniumGrid.component.name" (list "selenium-patch" $)) .Values.autoscaling.patchObjectFinalizers.nameOverride) $) | trunc 63 | trimSuffix "-" -}}
268275
{{- end -}}
269276

270277
{{/*

‎charts/selenium-grid/templates/patch-keda/delete-keda-objects-job.yaml‎

Lines changed: 55 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,55 @@
1+
{{- if and (eq (include "seleniumGrid.useKEDA" $) "true") $.Values.autoscaling.patchObjectFinalizers.enabled }}
2+
apiVersion: batch/v1
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kind: Job
4+
metadata:
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name: {{ template "seleniumGrid.keda.deleteObjectsJob.fullname" $ }}
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namespace: {{ .Release.Namespace }}
7+
annotations: &patch_objects_job_annotations
8+
"helm.sh/hook-weight": "-10"
9+
{{- with $.Values.autoscaling.patchObjectFinalizers.annotations }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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labels: &patch_objects_job_labels
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app: {{ template "seleniumGrid.keda.deleteObjectsJob.fullname" $ }}
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app.kubernetes.io/name: {{ template "seleniumGrid.keda.deleteObjectsJob.fullname" $ }}
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{{- include "seleniumGrid.commonLabels" $ | nindent 4 }}
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{{- with $.Values.customLabels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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template:
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metadata:
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{{- with $.Values.autoscaling.patchObjectFinalizers.annotations }}
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annotations: *patch_objects_job_annotations
24+
{{- end }}
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labels: *patch_objects_job_labels
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name: {{ template "seleniumGrid.keda.deleteObjectsJob.fullname" $ }}
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spec:
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activeDeadlineSeconds: {{ $.Values.autoscaling.patchObjectFinalizers.activeDeadlineSeconds }}
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serviceAccountName: {{ default (include "seleniumGrid.serviceAccount.fullname" $) $.Values.autoscaling.patchObjectFinalizers.serviceAccount }}
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serviceAccount: {{ default (include "seleniumGrid.serviceAccount.fullname" $) $.Values.autoscaling.patchObjectFinalizers.serviceAccount }}
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containers:
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- name: kubectl
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image: {{ $.Values.global.seleniumGrid.kubectlImage }}
34+
command: ["/bin/bash", "-c", "/deleteObjectsScript.sh"]
35+
volumeMounts:
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- name: cleanup-script
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mountPath: /deleteObjectsScript.sh
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subPath: deleteObjectsScript.sh
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{{- with $.Values.autoscaling.patchObjectFinalizers.resources }}
40+
resources: {{ toYaml . | nindent 12 }}
41+
{{- end }}
42+
volumes:
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- name: cleanup-script
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configMap:
45+
name: {{ template "seleniumGrid.keda.patchObjectsJob.fullname" $ }}
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defaultMode: {{ $.Values.autoscaling.patchObjectFinalizers.defaultMode }}
47+
{{- if or $.Values.global.seleniumGrid.imagePullSecret $.Values.autoscaling.patchObjectFinalizers.imagePullSecret }}
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imagePullSecrets:
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- name: {{ default $.Values.global.seleniumGrid.imagePullSecret $.Values.autoscaling.patchObjectFinalizers.imagePullSecret }}
50+
{{- end }}
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restartPolicy: Never
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{{- with .Values.autoscaling.patchObjectFinalizers.nodeSelector }}
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nodeSelector: {{- toYaml . | nindent 8 }}
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{{- end }}
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{{- end }}

‎charts/selenium-grid/templates/patch-keda/patch-keda-objects-cm.yaml‎

Lines changed: 36 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -4,8 +4,9 @@ kind: ConfigMap
44
metadata:
55
name: {{ template "seleniumGrid.keda.patchObjectsJob.fullname" $ }}
66
namespace: {{ .Release.Namespace }}
7-
{{- with $.Values.autoscaling.patchObjectFinalizers.annotations }}
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annotations:
8+
"helm.sh/hook-weight": "-20"
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{{- with $.Values.autoscaling.patchObjectFinalizers.annotations }}
910
{{- toYaml . | nindent 4 }}
1011
{{- end }}
1112
labels:
@@ -16,14 +17,44 @@ metadata:
1617
{{- toYaml . | nindent 4 }}
1718
{{- end }}
1819
data:
19-
{{- if $.Values.autoscaling.patchObjectFinalizers.cleanUpScript }}
20-
cleanUpScript.sh: {{- toYaml $.Values.autoscaling.patchObjectFinalizers.cleanUpScript | nindent 4 }}
20+
{{- if $.Values.autoscaling.patchObjectFinalizers.deleteObjectsScript }}
21+
deleteObjectsScript.sh: {{- toYaml $.Values.autoscaling.patchObjectFinalizers.deleteObjectsScript | nindent 4 }}
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{{- else }}
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deleteObjectsScript.sh: |
24+
#!/bin/bash
25+
set -e
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set -x
27+
echo "Delete ScaledObjects, ScaledJobs and HPAs for {{ .Release.Name }} when upgrading or disabling autoscaling."
28+
for i in $(kubectl get ScaledObjects -n {{ .Release.Namespace }} -l app.kubernetes.io/instance={{ .Release.Name }} \
29+
-o jsonpath='{.items[*].metadata.name}{"\n"}');
30+
do
31+
if [ -n "$i" ]; then
32+
kubectl delete ScaledObjects $i -n {{ .Release.Namespace }}
33+
fi
34+
done
35+
for i in $(kubectl get ScaledJobs -n {{ .Release.Namespace }} -l app.kubernetes.io/instance={{ .Release.Name }} \
36+
-o jsonpath='{.items[*].metadata.name}{"\n"}');
37+
do
38+
if [ -n "$i" ]; then
39+
kubectl delete ScaledJobs $i -n {{ .Release.Namespace }}
40+
fi
41+
done
42+
for i in $(kubectl get TriggerAuthentication -n {{ .Release.Namespace }} -l app.kubernetes.io/instance={{ .Release.Name }} \
43+
-o jsonpath='{.items[*].metadata.name}{"\n"}');
44+
do
45+
if [ -n "$i" ]; then
46+
kubectl delete TriggerAuthentication $i -n {{ .Release.Namespace }}
47+
fi
48+
done
49+
{{- end }}
50+
{{- if $.Values.autoscaling.patchObjectFinalizers.patchFinalizersScript }}
51+
patchFinalizersScript.sh: {{- toYaml $.Values.autoscaling.patchObjectFinalizers.patchFinalizersScript | nindent 4 }}
2152
{{- else }}
22-
cleanUpScript.sh: |
53+
patchFinalizersScript.sh: |
2354
#!/bin/bash
2455
set -e
2556
set -x
26-
echo "Cleaning up ScaledObjects, ScaledJobs and HPAs for {{ .Release.Name }} when upgrading or disabling autoscaling."
57+
echo "Patch finalizers of ScaledObjects, ScaledJobs and HPAs for {{ .Release.Name }} when upgrading or disabling autoscaling."
2758
for i in $(kubectl get ScaledObjects -n {{ .Release.Namespace }} -l app.kubernetes.io/instance={{ .Release.Name }} \
2859
-o jsonpath='{.items[*].metadata.name}{"\n"}');
2960
do

‎charts/selenium-grid/templates/patch-keda/patch-keda-objects-job.yaml‎

Lines changed: 5 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -4,8 +4,9 @@ kind: Job
44
metadata:
55
name: {{ template "seleniumGrid.keda.patchObjectsJob.fullname" $ }}
66
namespace: {{ .Release.Namespace }}
7-
{{- with $.Values.autoscaling.patchObjectFinalizers.annotations }}
87
annotations: &patch_objects_job_annotations
8+
"helm.sh/hook-weight": "-1"
9+
{{- with $.Values.autoscaling.patchObjectFinalizers.annotations }}
910
{{- toYaml . | nindent 4 }}
1011
{{- end }}
1112
labels: &patch_objects_job_labels
@@ -30,11 +31,11 @@ spec:
3031
containers:
3132
- name: kubectl
3233
image: {{ $.Values.global.seleniumGrid.kubectlImage }}
33-
command: ["/bin/bash", "-c", "/cleanUpScript.sh"]
34+
command: ["/bin/bash", "-c", "/patchFinalizersScript.sh"]
3435
volumeMounts:
3536
- name: cleanup-script
36-
mountPath: /cleanUpScript.sh
37-
subPath: cleanUpScript.sh
37+
mountPath: /patchFinalizersScript.sh
38+
subPath: patchFinalizersScript.sh
3839
{{- with $.Values.autoscaling.patchObjectFinalizers.resources }}
3940
resources: {{ toYaml . | nindent 12 }}
4041
{{- end }}

‎charts/selenium-grid/values.yaml‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1032,15 +1032,15 @@ autoscaling:
10321032
# -- Enable patching finalizers for KEDA scaled resources. Workaround for Hook post-upgrade selenium-grid/templates/x-node-hpa.yaml failed: object is being deleted: scaledobjects.keda.sh "x" already exists
10331033
enabled: true
10341034
# -- Deadline (in seconds) for patch job to complete
1035-
activeDeadlineSeconds: 120
1035+
activeDeadlineSeconds: 300
10361036
# -- Annotations for patch job
10371037
annotations:
1038-
"helm.sh/hook": post-install,post-upgrade,post-rollback,pre-delete
1038+
"helm.sh/hook": pre-delete
10391039
"helm.sh/hook-delete-policy": hook-succeeded,before-hook-creation
1040-
# This should be run before all other hooks (since delete action is called), so use a negative weight
1041-
"helm.sh/hook-weight": "-1"
10421040
# -- Define your custom script to replace the default script
1043-
cleanUpScript: ""
1041+
deleteObjectsScript: ""
1042+
# -- Define your custom script to replace the default script
1043+
patchFinalizersScript: ""
10441044
# -- Default mode for ConfigMap is mounted as file
10451045
defaultMode: 0755
10461046
# -- Define an external service account name contains permissions to patch KEDA scaled resources

‎tests/charts/ci/nameOverride-values.yaml‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -28,4 +28,4 @@ secrets:
2828
nameOverride: "selenium-grid-common-secrets"
2929
autoscaling:
3030
patchObjectFinalizers:
31-
nameOverride: "selenium-grid-job-patch-objects"
31+
nameOverride: "selenium-grid-patch"

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