fix(ci): handle disk mounting and logs reading edge-cases

.github/workflows/continous-delivery.yml

@@ -29,7 +29,7 @@ on:
         type: boolean
         default: false
 
-  # Temporarily disabled to reduce network load, see #6894.
+  # TODO: Temporarily disabled to reduce network load, see #6894.
   #push:
   #  branches:
   #    - main
@@ -132,29 +132,37 @@ jobs:
 
       # Make sure Zebra can sync at least one full checkpoint on mainnet
       - name: Run tests using the default config
+        shell: /usr/bin/bash -exo pipefail {0}
         run: |
-          set -ex
           docker pull ${{ vars.GAR_BASE }}/zebrad@${{ needs.build.outputs.image_digest }}
           docker run --detach --name default-conf-tests -t ${{ vars.GAR_BASE }}/zebrad@${{ needs.build.outputs.image_digest }}
-          # show the logs, even if the job times out
-          docker logs --tail all --follow default-conf-tests | \
-          tee --output-error=exit /dev/stderr | \
-          grep --max-count=1 --extended-regexp --color=always \
-          'net.*=.*Main.*estimated progress to chain tip.*BeforeOverwinter'
+
+          # Use a subshell to handle the broken pipe error gracefully
+          (
+            trap "" PIPE;
+            docker logs \
+            --tail all \
+            --follow \
+            default-conf-tests | \
+            tee --output-error=exit /dev/stderr | \
+            grep --max-count=1 --extended-regexp --color=always \
+            -e "net.*=.*Main.*estimated progress to chain tip.*BeforeOverwinter"
+          ) || true
+          LOGS_EXIT_STATUS=$?
+
           docker stop default-conf-tests
-          # get the exit status from docker
-          EXIT_STATUS=$( \
-          docker wait default-conf-tests || \
-          docker inspect --format "{{.State.ExitCode}}" default-conf-tests || \
-          echo "missing container, or missing exit status for container" \
-          )
-          docker logs default-conf-tests
-          echo "docker exit status: $EXIT_STATUS"
-          if [[ "$EXIT_STATUS" = "137" ]]; then
-          echo "ignoring expected signal status"
-          exit 0
+
+          EXIT_STATUS=$(docker wait default-conf-tests || echo "Error retrieving exit status");
+          echo "docker exit status: $EXIT_STATUS";
+
+          # If grep found the pattern, exit with the Docker container exit status
+          if [ $LOGS_EXIT_STATUS -eq 0 ]; then
+              exit $EXIT_STATUS;
           fi
-          exit "$EXIT_STATUS"
+
+          # Handle other potential errors here
+          echo "An error occurred while processing the logs.";
+          exit 1;
 
   # Test reconfiguring the docker image for testnet.
   test-configuration-file-testnet:
@@ -172,30 +180,37 @@ jobs:
 
       # Make sure Zebra can sync the genesis block on testnet
       - name: Run tests using a testnet config
+        shell: /usr/bin/bash -exo pipefail {0}
         run: |
-          set -ex
           docker pull ${{ vars.GAR_BASE }}/zebrad@${{ needs.build.outputs.image_digest }}
           docker run --env "NETWORK=Testnet" --detach --name testnet-conf-tests -t ${{ vars.GAR_BASE }}/zebrad@${{ needs.build.outputs.image_digest }}
-          # show the logs, even if the job times out
-          docker logs --tail all --follow testnet-conf-tests | \
-          tee --output-error=exit /dev/stderr | \
-          grep --max-count=1 --extended-regexp --color=always \
-          -e 'net.*=.*Test.*estimated progress to chain tip.*Genesis' \
-          -e 'net.*=.*Test.*estimated progress to chain tip.*BeforeOverwinter'
+          # Use a subshell to handle the broken pipe error gracefully
+          (
+            trap "" PIPE;
+            docker logs \
+            --tail all \
+            --follow \
+            testnet-conf-tests | \
+            tee --output-error=exit /dev/stderr | \
+            grep --max-count=1 --extended-regexp --color=always \
+            -e "net.*=.*Test.*estimated progress to chain tip.*Genesis" \
+            -e "net.*=.*Test.*estimated progress to chain tip.*BeforeOverwinter";
+          ) || true
+          LOGS_EXIT_STATUS=$?
+
           docker stop testnet-conf-tests
-          # get the exit status from docker
-          EXIT_STATUS=$( \
-          docker wait testnet-conf-tests || \
-          docker inspect --format "{{.State.ExitCode}}" testnet-conf-tests || \
-          echo "missing container, or missing exit status for container" \
-          )
-          docker logs testnet-conf-tests
-          echo "docker exit status: $EXIT_STATUS"
-          if [[ "$EXIT_STATUS" = "137" ]]; then
-          echo "ignoring expected signal status"
-          exit 0
+
+          EXIT_STATUS=$(docker wait testnet-conf-tests || echo "Error retrieving exit status");
+          echo "docker exit status: $EXIT_STATUS";
+
+          # If grep found the pattern, exit with the Docker container exit status
+          if [ $LOGS_EXIT_STATUS -eq 0 ]; then
+              exit $EXIT_STATUS;
           fi
-          exit "$EXIT_STATUS"
+
+          # Handle other potential errors here
+          echo "An error occurred while processing the logs.";
+          exit 1;
 
   # Deploy Managed Instance Groups (MiGs) for Mainnet and Testnet,
   # with one node in the configured GCP region.