HA

charts/onechart/Chart.yaml

@@ -15,4 +15,4 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.13.2
+version: 0.14.0

charts/onechart/templates/deployment.yaml

@@ -103,9 +103,22 @@ spec:
       nodeSelector:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.affinity }}
+      {{- if or .Values.spreadAcrossNodes .Values.affinity }}
       affinity:
-        {{- toYaml . | nindent 8 }}
+        {{- if .Values.spreadAcrossNodes }}
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            - labelSelector:
+                matchExpressions:
+                  - key: "app.kubernetes.io/instance"
+                    operator: In
+                    values:
+                      - {{ .Release.Name }}
+              topologyKey: "kubernetes.io/hostname"
+        {{- end }}
+        {{- if .Values.affinity }}
+        {{- toYaml .Values.affinity | nindent 8 }}
+        {{- end }}
       {{- end }}
       {{- with .Values.tolerations }}
       tolerations:

charts/onechart/templates/pdb.yaml

@@ -0,0 +1,12 @@
+{{- if and (.Values.podDisruptionBudgetEnabled) (gt (.Values.replicas | int64) 1) }}
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ .Release.Name }}
+  namespace: {{ .Release.Namespace }}
+spec:
+  minAvailable: 1
+  selector:
+    matchLabels:
+      {{- include "helm-chart.selectorLabels" . | nindent 6 }}
+  {{- end }}

charts/onechart/tests/deployment_affinity_test.yaml

@@ -0,0 +1,27 @@
+suite: test deployment
+templates:
+  - deployment.yaml
+  - configmap.yaml
+tests:
+  - it: Should spread pods across nodes
+    set:
+      spreadAccrossNodes: true
+    asserts:
+      - equal:
+          path: spec.template.spec.affinity
+          value:
+            podAntiAffinity:
+              requiredDuringSchedulingIgnoredDuringExecution:
+                - labelSelector:
+                    matchExpressions:
+                      - key: "app.kubernetes.io/instance"
+                        operator: In
+                        values:
+                          - RELEASE-NAME
+                  topologyKey: "kubernetes.io/hostname"
+  - it: Should not spread pods across nodes
+    set:
+      spreadAcrossNodes: false
+    asserts:
+      - isNull:
+          path: spec.template.spec.affinity

charts/onechart/tests/pdb_test.yaml

@@ -0,0 +1,11 @@
+suite: test prometheus rule
+templates:
+  - pdb.yaml
+tests:
+  - it: Should set Pod Disruption budget
+    set:
+      replicas: 2
+    asserts:
+      - equal:
+          path: spec.minAvailable
+          value: 1

charts/onechart/values.schema.json

@@ -96,6 +96,20 @@
         1
       ]
     },
+    "podDisruptionBudgetEnabled": {
+      "$id": "#/properties/podDisruptionBudgetEnabled",
+      "type": "boolean",
+      "title": "Pod Disruption Budget",
+      "description": "If pod disruption budgets is enabled, node maintenance won't affect the availability of your application",
+      "default": true
+    },
+    "spreadAcrossNodes": {
+      "$id": "#/properties/spreadAcrossNodes",
+      "type": "boolean",
+      "title": "Spread pods across nodes",
+      "description": "This setting prevents pods to be placed on the same node",
+      "default": true
+    },
     "nameOverride": {
       "$id": "#/properties/nameOverride",
       "type": "string",

charts/onechart/values.yaml

@@ -29,7 +29,6 @@ nodeSelector: {}
 
 tolerations: []
 
-affinity: {}
 
 probe:
   enabled: false
@@ -51,3 +50,6 @@ debugSidecar:
   image: debian:stable-slim
   shell: "/bin/bash"
   command: "while true; do sleep 30; done;"
+
+podDisruptionBudgetEnabled: true
+spreadAcrossNodes: true

docs/index.yaml

@@ -2,17 +2,17 @@ apiVersion: v1
 entries:
   cron-job:
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.295290552+01:00"
+    created: "2021-02-15T16:18:02.392858444+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
-    digest: f9fdfb3e59cc520c4ce87f10ca396391422629428d2140f1e54b79d71e9e51c5
+    digest: 9f4c1dfec71c90f9075d3e9a95e5316f858c7b16148825c031635067fdd2eca2
     name: cron-job
     type: application
     urls:
     - https://chart.onechart.dev/cron-job-0.1.2.tgz
     version: 0.1.2
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.295014647+01:00"
+    created: "2021-02-15T16:18:02.39251633+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: afab9ba533a4686827b54b0dad64f5bbf76f7fbc075e35fb1034689db9ab9dda
@@ -22,7 +22,7 @@ entries:
     - https://chart.onechart.dev/cron-job-0.1.1.tgz
     version: 0.1.1
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.294763711+01:00"
+    created: "2021-02-15T16:18:02.392261179+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 01f9fa40c1c4085d7688474ab00c9e9d21bd1d0793db6b75f2edda0e18456282
@@ -33,16 +33,16 @@ entries:
     version: 0.1.0
   namespaces:
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.296159075+01:00"
+    created: "2021-02-15T16:18:02.393475157+01:00"
     description: Chart to create namespaces and their defaults
-    digest: ff0b56fe340951e626a66242883d1186f3816bae696fc31d6e1e50bca93d361f
+    digest: 78b034508140cac6f604991b0f5897c29187844fba50b31564bedcbc4b9cca7f
     name: namespaces
     type: application
     urls:
     - https://chart.onechart.dev/namespaces-0.2.0.tgz
     version: 0.2.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.295516606+01:00"
+    created: "2021-02-15T16:18:02.393086595+01:00"
     description: Chart to create namespaces and their defaults
     digest: 88b06d78a9d1bda6f2ee15b1fad7f25399ac25c2320fb9a8dfa1a4fd14afdf6e
     name: namespaces
@@ -52,17 +52,27 @@ entries:
     version: 0.1.0
   onechart:
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.300855028+01:00"
+    created: "2021-02-15T16:18:02.398909524+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
-    digest: 5c319712d975ed6e0907e478bc81f3fe7e49bf8a0a42c2773c9a4d9b08092bfd
+    digest: 7e61a72a3400e09c44539094558a2084621239015132d20551c4593be3b5bede
+    name: onechart
+    type: application
+    urls:
+    - https://chart.onechart.dev/onechart-0.14.0.tgz
+    version: 0.14.0
+  - apiVersion: v2
+    created: "2021-02-15T16:18:02.398408534+01:00"
+    description: One chart to rule them all. A generic Helm chart for your application
+      deployments. Because no-one can remember the Kubernetes yaml syntax.
+    digest: 743a9b552233770713f0c22edbe8cf4f55c890a59106e1f33055c1cb31be5a27
     name: onechart
     type: application
     urls:
     - https://chart.onechart.dev/onechart-0.13.2.tgz
     version: 0.13.2
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.300305739+01:00"
+    created: "2021-02-15T16:18:02.397900354+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 02bf9537e13cea0da9dc3bfbcdd45d51576354cb18b7c1c7cec76f829e20105f
@@ -72,7 +82,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.13.1.tgz
     version: 0.13.1
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.299779016+01:00"
+    created: "2021-02-15T16:18:02.397427708+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 5183ed825c4f255ca5a4f0ffeb8c92bbad3c43b42fc1b798f1f1fc6de2a30bef
@@ -82,7 +92,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.13.0.tgz
     version: 0.13.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.299279577+01:00"
+    created: "2021-02-15T16:18:02.396929129+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: e131a502d12a6b074453f1da8d0d1ca7145e80a025f31252b24cc3d62375a4c1
@@ -92,7 +102,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.12.2.tgz
     version: 0.12.2
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.2988501+01:00"
+    created: "2021-02-15T16:18:02.396481706+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 8e1a25d18a546c4ec5e970991301a08e38495a964a8f6e0a2ee97f92c41c9691
@@ -102,7 +112,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.12.1.tgz
     version: 0.12.1
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.298409554+01:00"
+    created: "2021-02-15T16:18:02.396032497+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: f38a6f2fbf5c847b00a9140ecd004e0bf667d859aa83d8dac4a2d0eecd1a361f
@@ -112,7 +122,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.12.0.tgz
     version: 0.12.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.297981889+01:00"
+    created: "2021-02-15T16:18:02.395585373+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 75c16f84b5e99aad5aa7203f5c1ce2a9589d85b89afec4e161a2e0344a522c17
@@ -122,7 +132,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.11.0.tgz
     version: 0.11.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.297589152+01:00"
+    created: "2021-02-15T16:18:02.395163735+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 40f1166e858d35cb237debd1390187884641b0e8c29a80aaa195b66b0ee73516
@@ -132,7 +142,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.10.0.tgz
     version: 0.10.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.306437139+01:00"
+    created: "2021-02-15T16:18:02.404195833+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: cb42b08b463b401f6718bba7c171ee55c173021c5101ea1b3068ef3899a6e164
@@ -142,7 +152,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.9.0.tgz
     version: 0.9.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.30605765+01:00"
+    created: "2021-02-15T16:18:02.403780337+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: ce046d209a9e8fa07766712492cc896451473fafca129dbc9c675107d0e39c52
@@ -152,7 +162,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.8.2.tgz
     version: 0.8.2
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.305593198+01:00"
+    created: "2021-02-15T16:18:02.403438929+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 422d7e6ea1bed530d4cd5e23417b229772a6fe2e835828ca282a3e6c9b646b2b
@@ -162,7 +172,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.8.1.tgz
     version: 0.8.1
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.305250062+01:00"
+    created: "2021-02-15T16:18:02.403082627+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 8001bd02fc90ad66da7941c136ee8d0e665ea90b6e1ac27d82b048f2b12b3964
@@ -172,7 +182,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.8.0.tgz
     version: 0.8.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.304912058+01:00"
+    created: "2021-02-15T16:18:02.402731828+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: d1454b430eb7131d0d450f7c0a8a6698278893c61e03d48649a8112dfcf42b72
@@ -182,7 +192,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.7.1.tgz
     version: 0.7.1
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.304554683+01:00"
+    created: "2021-02-15T16:18:02.402400022+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 4bf90835f287917671ec40b5b395da9332cf18e70f248d250f8d5a72360dcb4e
@@ -192,7 +202,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.7.0.tgz
     version: 0.7.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.304238255+01:00"
+    created: "2021-02-15T16:18:02.402003683+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 0cade489fc74a040f5e7f71d01c6fa00d3f68b4752a4d8234ccf2c1504b4c0a1
@@ -202,7 +212,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.6.1.tgz
     version: 0.6.1
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.303957755+01:00"
+    created: "2021-02-15T16:18:02.40171782+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: d607820a7e104eaaa88c153c1f2f7f409ef4c612ad747caeb3a671cf3fce03d4
@@ -212,7 +222,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.6.0.tgz
     version: 0.6.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.303545218+01:00"
+    created: "2021-02-15T16:18:02.401373895+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: ddf7cf87402095d62855898744b805115fdf86c4b295e0a4def0c50408fd9138
@@ -222,7 +232,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.5.1.tgz
     version: 0.5.1
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.302762339+01:00"
+    created: "2021-02-15T16:18:02.400639299+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: adf3c2cf3a27e58ec75620599e0e1c2031a7410a061a590317beeff6d8a9ad69
@@ -232,7 +242,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.5.0.tgz
     version: 0.5.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.302482213+01:00"
+    created: "2021-02-15T16:18:02.400190365+01:00"
     description: One chart to rule them all. A generic Helm chart for your application
       deployments. Because no-one can remember the Kubernetes yaml syntax.
     digest: 8dab33263c4e632aeb4656c666871440b589497b70e76a1d6c3a5e3db1a30bba
@@ -242,7 +252,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.4.0.tgz
     version: 0.4.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.302196957+01:00"
+    created: "2021-02-15T16:18:02.399917393+01:00"
     description: A generic Helm chart for your application deployments
     digest: fbaf6139e0ef8ad9a87cc1e41a97c7d25fdcf7ea17fa6364952f1a851a87480a
     name: onechart
@@ -251,7 +261,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.3.2.tgz
     version: 0.3.2
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.301843845+01:00"
+    created: "2021-02-15T16:18:02.399662519+01:00"
     description: A generic Helm chart for your application deployments
     digest: bd6f5b1865ab9b05fc6925c163ab8045235bd2723dba31f09d5083d24322d1f8
     name: onechart
@@ -260,7 +270,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.3.1.tgz
     version: 0.3.1
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.301513548+01:00"
+    created: "2021-02-15T16:18:02.399411847+01:00"
     description: A generic Helm chart for your application deployments
     digest: c79cef21eceab948144a289298cdf1e20e77a0782a883d7d65f9e709ccbbc271
     name: onechart
@@ -269,7 +279,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.3.0.tgz
     version: 0.3.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.301121165+01:00"
+    created: "2021-02-15T16:18:02.399161758+01:00"
     description: A generic Helm chart for your application deployments
     digest: dd814ac5d08d5e6163a1b769df6803f5cb0f09d906045086dfcc5be522bb1ec3
     name: onechart
@@ -278,7 +288,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.2.0.tgz
     version: 0.2.0
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.29720135+01:00"
+    created: "2021-02-15T16:18:02.394770523+01:00"
     description: A generic Helm chart for your application deployments
     digest: e46062df8053840cbfbba26c0a66a843a79f15a0b43a145ed019327513bd5098
     name: onechart
@@ -287,7 +297,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.1.2.tgz
     version: 0.1.2
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.296964617+01:00"
+    created: "2021-02-15T16:18:02.394406906+01:00"
     description: A generic Helm chart for your application deployments
     digest: a7bbc8b7dcc008e89156cd1830282b7d39c0592e82ccdcefb77a25a42eca2a3d
     name: onechart
@@ -296,7 +306,7 @@ entries:
     - https://chart.onechart.dev/onechart-0.1.1.tgz
     version: 0.1.1
   - apiVersion: v2
-    created: "2021-02-15T15:29:59.296690646+01:00"
+    created: "2021-02-15T16:18:02.393722153+01:00"
     description: A generic Helm chart for your application deployments
     digest: 1ed8c0645abdae6c950526e9c5410dc056847a11700dc7def5f1c55eb7de0cd4
     name: onechart
@@ -304,4 +314,4 @@ entries:
     urls:
     - https://chart.onechart.dev/onechart-0.1.0.tgz
     version: 0.1.0
-generated: "2021-02-15T15:29:59.294429604+01:00"
+generated: "2021-02-15T16:18:02.39186242+01:00"