Add support for canonical k8s

.github/workflows/integration_test.yaml

@@ -158,6 +158,10 @@ on:
           If this parameter is not specified, the default behavior is to use 'artifact' for pull requests 
           originating from forked repositories, and 'registry' for all other cases.
         default: ""
+      use-canonical-k8s:
+        type: boolean
+        description: (Experimental) Whether to use canonical k8s instead of microk8s
+        default: false
       working-directory:
         type: string
         description: The working directory for jobs
@@ -344,6 +348,7 @@ jobs:
       plan: ${{ needs.plan.outputs.plan }}
       pre-run-script: ${{ inputs.pre-run-script }}
       provider: ${{ inputs.provider }}
+      use-canonical-k8s: ${{ inputs.use-canonical-k8s }}
       registry: ghcr.io
       runs-on: ${{ inputs.runs-on || 'ubuntu-22.04' }}
       self-hosted-runner-arch: ${{ inputs.self-hosted-runner-arch }}

.github/workflows/integration_test_run.yaml

@@ -120,6 +120,10 @@ on:
         type: string
         description: Target directory to do the Trivy testing
         default: "."
+      use-canonical-k8s:
+        type: boolean
+        description: (Experimental) Whether to use canonical k8s instead of microk8s
+        default: false
       working-directory:
         type: string
         description: The working directory for jobs
@@ -174,6 +178,21 @@ jobs:
         )) || inputs.runs-on
       }}
     steps:
+      - name: Setup Canonical k8s
+        if: inputs.use-canonical-k8s && inputs.provider == 'k8s'
+        id: canonical-k8s
+        run: |
+          sudo snap install k8s --channel=${{ inputs.channel }} --classic
+          sudo k8s bootstrap
+          mkdir -p ~/.kube
+          sudo k8s config > ~/.kube/config
+          echo "kubeconfig=$(sudo k8s config | base64 -w 0)" >> $GITHUB_OUTPUT
+
+          IPADDR=$(ip -4 -j route get 2.2.2.2 | jq -r '.[] | .prefsrc')
+          LB_FIRST_ADDR="$(echo "${IPADDR}" | awk -F'.' '{print $1,$2,$3,100}' OFS='.')"
+          LB_LAST_ADDR="$(echo "${IPADDR}" | awk -F'.' '{print $1,$2,$3,255}' OFS='.')"
+          LB_ADDR_RANGE="${LB_FIRST_ADDR}-${LB_LAST_ADDR}"
+          sudo k8s set load-balancer.cidrs=$LB_ADDR_RANGE load-balancer.enabled=true load-balancer.l2-mode=true
       - name: Disable snap autorefresh
         run: sudo snap refresh --hold=2h
       - name: Wait for last autorefresh
@@ -246,6 +265,7 @@ jobs:
         uses: charmed-kubernetes/actions-operator@main
         with:
           provider: ${{ inputs.provider }}
+          credentials-yaml: ${{ steps.canonical-k8s.outputs.kubeconfig }}
           microk8s-addons: >-
             ${{
               ( 
@@ -355,7 +375,7 @@ jobs:
           echo "ARGS=$args" >> $GITHUB_ENV
       - name: Run k8s integration tests
         working-directory: ${{ inputs.working-directory }}
-        if: ${{ inputs.provider == 'microk8s' }}
+        if: ${{ inputs.provider == 'microk8s' }} || ${ inputs.provider == 'k8s' }
         run: |
           [ -n "${{ vars.INTEGRATION_TEST_SECRET_ENV_NAME }}" ] && export ${{ vars.INTEGRATION_TEST_SECRET_ENV_NAME }}="${{ secrets.INTEGRATION_TEST_SECRET_ENV_VALUE }}" || :
           [ -n "${{ vars.INTEGRATION_TEST_SECRET_ENV_NAME_1 }}" ] && export ${{ vars.INTEGRATION_TEST_SECRET_ENV_NAME_1 }}="${{ secrets.INTEGRATION_TEST_SECRET_ENV_VALUE_1 }}" || :