Merge pull request #5 from evgkrsk/add-pdb

Add PDB support

charts/universal-chart/CHANGELOG.md

@@ -1,4 +1,8 @@
 # Changelog
+## 3.1.0 - April 24, 2022
+
+* feat: add PDB support and tests
+
 ## 3.0.4 - April 15, 2022
 
 * Fix Helm hooks custom annotations

charts/universal-chart/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 description: Nixys universal Helm chart for deploy your apps to Kubernetes
 name: universal-chart
-version: 3.0.4
+version: 3.1.0
 maintainers:
 - name: Roman Andreev
   email: [email protected]

charts/universal-chart/results/pdb.yaml

@@ -0,0 +1,38 @@
+---
+# Source: universal-chart/templates/pdb.yaml
+kind: PodDisruptionBudget
+apiVersion: policy/v1
+metadata:
+  name: test-pdb1
+  namespace: "default"
+  labels:
+    app.kubernetes.io/name: test
+    app.kubernetes.io/instance: test
+    app.kubernetes.io/managed-by: Helm
+    foo: bar
+spec:
+  minAvailable: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: test
+      app.kubernetes.io/instance: test
+      foo: bar
+---
+# Source: universal-chart/templates/pdb.yaml
+kind: PodDisruptionBudget
+apiVersion: policy/v1
+metadata:
+  name: test-pdb2
+  namespace: "default"
+  labels:
+    app.kubernetes.io/name: test
+    app.kubernetes.io/instance: test
+    app.kubernetes.io/managed-by: Helm
+    bar: foo
+spec:
+  maxUnavailable: 2
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: test
+      app.kubernetes.io/instance: test
+      bar: foo

charts/universal-chart/samples/pdb.yaml

@@ -0,0 +1,14 @@
+pdbs:
+  pdb1:
+    labels:
+      foo: bar
+    minAvailable: 1
+    maxUnavailable: 2
+    extraSelectorLabels:
+      foo: bar
+  pdb2:
+    labels:
+      bar: foo
+    maxUnavailable: 2
+    extraSelectorLabels:
+      bar: foo

charts/universal-chart/templates/helpers/_capabilities.tpl

@@ -59,3 +59,11 @@
 {{- print "networking.k8s.io/v1" -}}
 {{- end }}
 {{- end -}}
+
+{{- define "helpers.capabilities.pdb.apiVersion" -}}
+{{- if semverCompare "<1.21-0" (include "helpers.capabilities.kubeVersion" $) -}}
+{{- print "policy/v1beta1" -}}
+{{- else -}}
+{{- print "policy/v1" -}}
+{{- end -}}
+{{- end -}}

charts/universal-chart/templates/pdb.yaml

@@ -0,0 +1,24 @@
+{{- range $name, $pdb := .Values.pdbs }}
+---
+kind: PodDisruptionBudget
+apiVersion: {{ include "helpers.capabilities.pdb.apiVersion" $ }}
+metadata:
+  name: {{ include "helpers.app.fullname" (dict "name" $name "context" $) }}
+  namespace: {{ $.Release.Namespace | quote }}
+  labels:
+    {{- include "helpers.app.labels" $ | nindent 4 }}
+    {{- with .labels }}{{- include "helpers.tplvalues.render" (dict "value" . "context" $) | nindent 4 }}{{- end }}
+spec:
+  {{- if not (empty .minAvailable) }}
+  minAvailable: {{ .minAvailable }}
+  {{- else }}
+  {{- if not (empty .maxUnavailable) }}
+  maxUnavailable: {{ .maxUnavailable }}
+  {{- end }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "helpers.app.selectorLabels" $ | nindent 6 }}
+      {{- with $.Values.generic.extraSelectorLabels }}{{- include "helpers.tplvalues.render" (dict "value" . "context" $) | nindent 6 }}{{- end -}}
+      {{- with .extraSelectorLabels }}{{- include "helpers.tplvalues.render" (dict "value" . "context" $) | nindent 6 }}{{- end -}}
+{{- end -}}