ci: tweak release ci & env support (#3)

* ci: tweak release ci & env support

* ci: install unittest plugin

.github/workflows/build.yml

@@ -1,21 +1,31 @@
 name: Build & Test Chart
-on: [push, workflow_dispatch, pull_request]
+
+on:
+  pull_request:
+    branches:
+    - main
+  workflow_dispatch:
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
     - uses: azure/setup-helm@v3
+    - name: install unittest plugin
+      run: helm plugin install https://github.com/helm-unittest/helm-unittest.git
     - uses: helm/kind-action@v1.8.0
-    - name: template
+    - name: unit tests
+      run: |
+        helm unittest .
+    - name: template tests
       run: |
         for file in test-values/*; do
           echo "############## template $file ###############"
           helm template --debug --validate gts-test . -f $file
           echo "#############################################"
         done
-    - name: install
+    - name: integration tests
       run: |
         for file in test-values/*; do
           echo "############## install $file ################"

.github/workflows/release.yml

@@ -1,16 +1,18 @@
-name: Release Charts
+name: Release Chart
 
 on:
   push:
-    branches:
-    - main
+    tags:
+      - "*"
 
 jobs:
   release:
     permissions:
       contents: write
     runs-on: ubuntu-latest
     steps:
+    - name: check if on main branch
+      run: exit ${{ github.ref_name }} == "main"
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0

README.md

@@ -31,7 +31,3 @@ ingress:
     hosts:
     - your-domain.com
 ```
-
-## TODO
-
-- publish the chart

templates/_environments.tpl

@@ -44,4 +44,8 @@ env:
 - name: GTS_LETSENCRYPT_EMAIL_ADDRESS
   value: {{ .Values.tls.email | quote }}
 {{- end }}
+{{- range $key, $value := .Values.env }}
+- name: {{ $key | quote }}
+  value: {{ $value | quote }}
+{{- end -}}
 {{- end -}}

tests/test-env.yaml

@@ -0,0 +1,30 @@
+suite: test correctness of environment
+templates:
+  - templates/deployment.yaml
+tests:
+  - it: default values
+    release:
+      name: gts
+    values:
+      - test-env.yaml
+    asserts:
+      - contains:
+          path: spec.template.spec.containers[0].env
+          content:
+            name: FOO
+            value: "bar"
+      - contains:
+          path: spec.template.spec.containers[0].env
+          content:
+            name: FOO_QUOT
+            value: "bar"
+      - contains:
+          path: spec.template.spec.containers[0].env
+          content:
+            name: FOO_NUM
+            value: "appserver"
+      - contains:
+          path: spec.template.spec.containers[0].env
+          content:
+            name: FOO_BOOL
+            value: "true"

tests/values/test-env.yaml

@@ -0,0 +1,8 @@
+host: chart-example.local
+
+
+env:
+  FOO_STR: bar
+  FOO_QUOT: "bar"
+  FOO_NUM: 42
+  FOO_BOOL: true

values.yaml

@@ -22,6 +22,12 @@ tls:
   enabled: false
   email: ""
 
+# define arbitrary environment variables for the GoToSocial application
+# this is especially useful if you want to leverage GoToSocial functionality
+# that is not yet supported by "normal" chart values (please open an issue/PR if you'd like "real" support) 
+env:
+#  FOO: bar
+
 image:
   repository: superseriousbusiness/gotosocial
   pullPolicy: IfNotPresent