chore: adopt skaffold and just, test skeleton

Signed-off-by: Ievgenii Shepeliuk <[email protected]>

.github/workflows/build.yaml

@@ -14,24 +14,20 @@ on:
     branches: 
       - "master"
 
-env:
-  IMAGE: openpolicyagent/kube-mgmt
-
 jobs:
   build_job:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - name: Check out code
-        uses: actions/checkout@v2
-      - name: Build Docker image and Helm chart
-        run: |
-          docker build --build-arg VERSION=${{ env.VERSION }} \
-            --build-arg COMMIT=${{ env.GITHUB_SHA }} \
-            -t ${{ env.IMAGE }}:${{ env.VERSION }} .
-          helm lint charts/opa
-          helm package charts/opa \
-            --version ${{ env.VERSION }}  \
-            --app-version ${{ env.VERSION }}
-        env:
-          VERSION: 0.0.0 # nothing ispublished, version can be set to fake value
+      - uses: actions/checkout@v2
+      - uses: volesen/[email protected]
+        with:
+          version: 'v1.33.0'
+      - uses: extractions/setup-just@v1
+      - run: just test
+      - uses: rinx/[email protected]
+        with:
+          skipClusterCreation: true
+      - run: |
+          just k3d
+          just build

.github/workflows/release.yaml

@@ -5,16 +5,16 @@ on:
     tags: 
       - '[0-9]+.[0-9]+.[0-9]+'
 
-env:
-  IMAGE: openpolicyagent/kube-mgmt
-
 jobs:
   docker_job:
     name: Docker image
     runs-on: ubuntu-latest
     steps:
-      - name: Check out code
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v2
+      - uses: volesen/[email protected]
+        with:
+          version: 'v1.33.0'
+      - uses: extractions/setup-just@v1
       - name: Calculate release version
         id: theVersion
         run: echo "::set-output name=theVersion::$(echo ${GITHUB_REF##*/})"
@@ -23,23 +23,9 @@ jobs:
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
-      - name: Build Docker image and Helm chart
-        run: |
-          docker build --build-arg VERSION=${{ env.VERSION }} \
-            --build-arg COMMIT=${{ env.GITHUB_SHA }} \
-            -t ${{ env.IMAGE }}:${{ env.VERSION }} .
-          helm package charts/opa \
-            --version ${{ env.VERSION }}  \
-            --app-version ${{ env.VERSION }}
-        env:
-          VERSION: ${{ steps.theVersion.outputs.theVersion }}
-      - name: Publish Docker image
+      - name: Build docker image
         run: |
-          docker push ${{ env.IMAGE }}:${{ env.VERSION }}
-          docker tag ${{ env.IMAGE }}:${{ env.VERSION }} ${{ env.IMAGE }}:latest
-          docker push ${{ env.IMAGE }}:latest
-        env:
-          VERSION: ${{ steps.theVersion.outputs.theVersion }}
+          just VERSION=${{ steps.theVersion.outputs.theVersion }} build-latest
       - name: Upload Helm artifact
         uses: actions/upload-artifact@v2
         with:
@@ -51,8 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: docker_job
     steps:
-      - name: Checkout gh-pages
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v2
         with:
           ref: gh-pages
       - name: Download artifact from build job

.gitignore

@@ -1,5 +1,7 @@
 bin
 .go
 *.tgz
+skaffold.json
+
 
 

justfile

@@ -0,0 +1,41 @@
+export COMMIT := `git rev-parse --short HEAD`
+export VERSION := "0.0.0-" + COMMIT
+
+default:
+    @just --list
+
+@skaffold-ctx:
+    skaffold config set default-repo localhost:5000 -k k3d-kube-mgmt
+
+# build docker image and pack helm chart
+@build: skaffold-ctx
+    skaffold build -t {{VERSION}} --file-output=skaffold.json
+    helm package charts/opa --version {{VERSION}} --app-version {{VERSION}}
+
+build-latest: build
+    #!/usr/bin/env bash
+    set -euxo pipefail
+    LATEST="$(jq -r .builds[0].imageName skaffold.json):latest"
+    CURRENT="$(jq -r .builds[0].tag skaffold.json)"
+    docker tag $CURRENT $LATEST
+    docker push $LATEST
+
+@test-helm:
+    ./test/linter/test.sh
+
+@test-e2e:
+    ./test/e2e/test.sh
+
+# run all tests
+test: test-helm test-e2e
+
+# recreate local k8s cluster with k3d
+@k3d: && skaffold-ctx
+    k3d cluster delete kube-mgmt || true
+    k3d cluster create --config ./test/e2e/k3d.yaml
+
+# @up: skaffold-ctx build
+#     skaffold run
+# 
+# @down:
+#     skaffold delete || true

skaffold.yaml

@@ -0,0 +1,31 @@
+apiVersion: skaffold/v2beta19
+kind: Config
+metadata:
+  name: kube-mgmt
+build:
+  artifacts:
+    - image: openpolicyagent/kube-mgmt
+      context: .
+      docker:
+        buildArgs:
+          VERSION: "{{.VERSION}}"
+          COMMIT: "{{.COMMIT}}"
+  local:
+    push: true
+    useBuildkit: true
+profiles:
+  - name: local
+    activation:
+      - kubeContext: k3d-kube-mgmt
+    deploy:
+      helm:
+        releases:
+          - name: kube-mgmt
+            chartPath: charts/opa
+            wait: true
+            upgradeOnChange: false
+            skipBuildDependencies: true
+            artifactOverrides:
+              image: openpolicyagent/kube-mgmt
+            imageStrategy:
+              helm: {}

test/e2e/k3d.yaml

@@ -0,0 +1,22 @@
+apiVersion: k3d.io/v1alpha3
+kind: Simple
+name: kube-mgmt
+servers: 1
+agents: 0
+registries:
+  create:
+    name: kube-mgmt-registry
+    host: "0.0.0.0"
+    hostPort: "5000"
+  config: |
+    mirrors:
+      "localhost:5000":
+        endpoint:
+          - http://kube-mgmt-registry:5000
+options:
+  k3d:
+    disableLoadbalancer: true
+  k3s:
+    extraArgs:
+      - arg: "--disable=servicelb,traefik,local-storage,metrics-server"
+        nodeFilters: ["all"]

test/e2e/test.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+echo "E2E tests version=${VERSION}, sha=${COMMIT}"
+

test/linter/test.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+helm lint charts/opa --strict
+if [ $? -ne 0 ]; then
+  exit 1
+fi
+
+echo "=================================================================================="
+echo "                                LINT PASSED"
+echo "=================================================================================="