Don't log in to container registries when credentials are unavailable

Author: shepmaster

.github/workflows/ci.yml

@@ -12,6 +12,7 @@ env:
   DOCKER_HUB_USERNAME: shepmaster
   GH_CONTAINER_REGISTRY_USERNAME: shepmaster
   AWS_ACCESS_KEY_ID: AKIAWESVHZ3J6US4DSXP
+  SECRETS_ARE_AVAILABLE: "${{ secrets.SECRETS_ARE_AVAILABLE }}"
 jobs:
   build_compiler_containers:
     name: Build ${{ matrix.channel }} compiler container
@@ -37,6 +38,7 @@ jobs:
         registry: ghcr.io
         username: "${{ env.GH_CONTAINER_REGISTRY_USERNAME }}"
         password: "${{ secrets.GH_CONTAINER_REGISTRY_TOKEN }}"
+      if: "${{ env.SECRETS_ARE_AVAILABLE }}"
     - name: Build and push 'toolchain' container
       env:
         TAG_PREFIX: "${{ env.IMAGE_NAME }}:toolchain"
@@ -139,6 +141,7 @@ jobs:
         registry: ghcr.io
         username: "${{ env.GH_CONTAINER_REGISTRY_USERNAME }}"
         password: "${{ secrets.GH_CONTAINER_REGISTRY_TOKEN }}"
+      if: "${{ env.SECRETS_ARE_AVAILABLE }}"
     - name: Build and push container
       uses: docker/build-push-action@v2
       with:
@@ -291,6 +294,7 @@ jobs:
         registry: ghcr.io
         username: "${{ env.GH_CONTAINER_REGISTRY_USERNAME }}"
         password: "${{ secrets.GH_CONTAINER_REGISTRY_TOKEN }}"
+      if: "${{ env.SECRETS_ARE_AVAILABLE }}"
     - name: Login to Docker Hub
       uses: docker/login-action@v1
       with:

.github/workflows/cron.yml

@@ -2,13 +2,14 @@
 ---
 name: Scheduled rebuild
 'on':
-  workflow_dispatch: 
+  workflow_dispatch:
   schedule:
   - cron: 7 2 * * *
 env:
   DOCKER_HUB_USERNAME: shepmaster
   GH_CONTAINER_REGISTRY_USERNAME: shepmaster
   AWS_ACCESS_KEY_ID: AKIAWESVHZ3J6US4DSXP
+  SECRETS_ARE_AVAILABLE: "${{ secrets.SECRETS_ARE_AVAILABLE }}"
 jobs:
   build_compiler_containers:
     name: Build ${{ matrix.channel }} compiler container
@@ -36,11 +37,13 @@ jobs:
         registry: ghcr.io
         username: "${{ env.GH_CONTAINER_REGISTRY_USERNAME }}"
         password: "${{ secrets.GH_CONTAINER_REGISTRY_TOKEN }}"
+      if: "${{ env.SECRETS_ARE_AVAILABLE }}"
     - name: Login to Docker Hub
       uses: docker/login-action@v1
       with:
         username: "${{ env.DOCKER_HUB_USERNAME }}"
         password: "${{ secrets.DOCKER_HUB_TOKEN }}"
+      if: "${{ env.SECRETS_ARE_AVAILABLE }}"
     - name: Build and push 'toolchain' container
       env:
         TAG_PREFIX: "${{ env.IMAGE_NAME }}:toolchain"
@@ -155,11 +158,13 @@ jobs:
         registry: ghcr.io
         username: "${{ env.GH_CONTAINER_REGISTRY_USERNAME }}"
         password: "${{ secrets.GH_CONTAINER_REGISTRY_TOKEN }}"
+      if: "${{ env.SECRETS_ARE_AVAILABLE }}"
     - name: Login to Docker Hub
       uses: docker/login-action@v1
       with:
         username: "${{ env.DOCKER_HUB_USERNAME }}"
         password: "${{ secrets.DOCKER_HUB_TOKEN }}"
+      if: "${{ env.SECRETS_ARE_AVAILABLE }}"
     - name: Build and push container
       uses: docker/build-push-action@v2
       with:

ci/workflows.yml

@@ -4,6 +4,7 @@ components:
         DOCKER_HUB_USERNAME: shepmaster
         GH_CONTAINER_REGISTRY_USERNAME: shepmaster
         AWS_ACCESS_KEY_ID: AKIAWESVHZ3J6US4DSXP
+        SECRETS_ARE_AVAILABLE: ${{ secrets.SECRETS_ARE_AVAILABLE }} # https://github.com/actions/runner/issues/520
 
   - checkout: &checkout
       name: "Checkout code"
@@ -23,13 +24,15 @@ components:
         registry: ghcr.io
         username: ${{ env.GH_CONTAINER_REGISTRY_USERNAME }}
         password: ${{ secrets.GH_CONTAINER_REGISTRY_TOKEN }}
+      if: ${{ env.SECRETS_ARE_AVAILABLE }}
 
   - login_docker_hub: &login_docker_hub
       name: "Login to Docker Hub"
       uses: docker/login-action@v1
       with:
         username: ${{ env.DOCKER_HUB_USERNAME }}
         password: ${{ secrets.DOCKER_HUB_TOKEN }}
+      if: ${{ env.SECRETS_ARE_AVAILABLE }}
 
   - build_compiler_containers_job: &build_compiler_containers_job
       name: "Build ${{ matrix.channel }} compiler container"