[Buildkite] Perform PR commentary in pipeline and remove github action (

#614)

* [Buildkite] Perform PR commentary in pipeline and remove github action

* [Buildkite] Optimise deployment post-command hook

.buildkite/hooks/post-command

@@ -14,24 +14,33 @@ if [[ $BUILDKITE_LABEL =~ ":docker: Deploy" ]]; then
   docker logout
 fi
 
-if [[ $BUILDKITE_BRANCH == "master" ]] || [[ $BUILDKITE_BRANCH =~ ^v.* ]] && [[ $BUILDKITE_PULL_REQUEST == "false" ]]; then
-  if [[ $BUILDKITE_LABEL == ":docker: Deploy Manifests" ]]; then
-    echo "--- :docker: Removing tags for deleted branches"
-    for BRANCH_TAG in $(dockerbranchtags=$(anontoken=$(curl -fsL --retry 3 'https://auth.docker.io/token?service=registry.docker.io&scope=repository:authelia/authelia:pull' | jq -r .token) && \
-    curl -fsL --retry 3 -H "Authorization: Bearer ${anontoken}" https://registry-1.docker.io/v2/authelia/authelia/tags/list | jq -r '.tags[] | select(startswith("PR") | not)' | \
-    sed -r '/^(latest|develop|v.*|([[:digit:]]+)\.?([[:digit:]]+)?\.?([[:digit:]]+)?)/d' | sort) && \
-    githubbranches=$(curl -fs --retry 3 https://api.github.com/repos/authelia/authelia/branches | jq -r '.[].name' | sort) && \
-    comm -23 <(echo "${dockerbranchtags}") <(echo "${githubbranches}")); do
-      echo "Removing tag ${BRANCH_TAG}"
-      authtoken=$(curl -fs --retry 3 -H "Content-Type: application/json" -X "POST" -d '{"username": "'${DOCKER_USERNAME}'", "password": "'${DOCKER_PASSWORD}'"}' https://hub.docker.com/v2/users/login/ | jq -r .token) && \
-      curl -fsL --retry 3 -o /dev/null -X "DELETE" -H "Authorization: JWT ${authtoken}" https://hub.docker.com/v2/repositories/authelia/authelia/tags/${BRANCH_TAG}/
-    done
-    echo "--- :docker: Removing tags for merged or closed pull requests"
-    for PR_TAG in $(dockerprtags=$(curl -fsL --retry 3 -H "Authorization: Bearer ${anontoken}" https://registry-1.docker.io/v2/authelia/authelia/tags/list | jq -r '.tags[] | select(startswith("PR"))' | sort) && \
-    githubprs=$(curl -fs --retry 3 https://api.github.com/repos/authelia/authelia/pulls | jq -r '.[].number' | sed -e 's/^/PR/' | sort) && \
-    comm -23 <(echo "${dockerprtags}") <(echo "${githubprs}")); do
-      echo "Removing tag ${PR_TAG}"
-      curl -fsL --retry 3 -o /dev/null -X "DELETE" -H "Authorization: JWT ${authtoken}" https://hub.docker.com/v2/repositories/authelia/authelia/tags/${PR_TAG}/
-    done
+if [[ $BUILDKITE_LABEL == ":docker: Deploy Manifests" ]] && [[ $BUILDKITE_PULL_REQUEST != "false" ]]; then
+  if [[ ! $(curl -fs --retry 3 "https://api.github.com/repos/authelia/authelia/issues/${BUILDKITE_PULL_REQUEST}/comments" | jq '.[].user.login') =~ autheliabot ]]; then
+    echo "--- :github: Add deployment commentary"
+    if [[ $BUILDKITE_PULL_REQUEST_REPO == "git://github.com/authelia/authelia.git" ]]; then
+      curl -fs --retry 3 -H "Authorization: token ${GITHUB_COMMENT_TOKEN}" -X "POST" -d "{\"body\": \"# Docker Container\nThese changes are published for testing at the following location:\n* \`docker pull authelia/authelia:${BUILDKITE_BRANCH}\`\"}" "https://api.github.com/repos/authelia/authelia/issues/${BUILDKITE_PULL_REQUEST}/comments"
+    else
+      curl -fs --retry 3 -H "Authorization: token ${GITHUB_COMMENT_TOKEN}" -X "POST" -d "{\"body\": \"# Docker Container\nThese changes are published for testing at the following location:\n* \`docker pull authelia/authelia:PR${BUILDKITE_PULL_REQUEST}\`\"}" "https://api.github.com/repos/authelia/authelia/issues/${BUILDKITE_PULL_REQUEST}/comments"
+    fi
   fi
-fi
+fi
+
+if [[ $BUILDKITE_LABEL == ":docker: Deploy Manifests" ]] && [[ $BUILDKITE_BRANCH == "master" ]] || [[ $BUILDKITE_BRANCH =~ ^v.* ]] && [[ $BUILDKITE_PULL_REQUEST == "false" ]]; then
+  echo "--- :docker: Removing tags for deleted branches"
+  for BRANCH_TAG in $(dockerbranchtags=$(anontoken=$(curl -fsL --retry 3 'https://auth.docker.io/token?service=registry.docker.io&scope=repository:authelia/authelia:pull' | jq -r .token) && \
+  curl -fsL --retry 3 -H "Authorization: Bearer ${anontoken}" https://registry-1.docker.io/v2/authelia/authelia/tags/list | jq -r '.tags[] | select(startswith("PR") | not)' | \
+  sed -r '/^(latest|develop|v.*|([[:digit:]]+)\.?([[:digit:]]+)?\.?([[:digit:]]+)?)/d' | sort) && \
+  githubbranches=$(curl -fs --retry 3 https://api.github.com/repos/authelia/authelia/branches | jq -r '.[].name' | sort) && \
+  comm -23 <(echo "${dockerbranchtags}") <(echo "${githubbranches}")); do
+    echo "Removing tag ${BRANCH_TAG}"
+    authtoken=$(curl -fs --retry 3 -H "Content-Type: application/json" -X "POST" -d '{"username": "'${DOCKER_USERNAME}'", "password": "'${DOCKER_PASSWORD}'"}' https://hub.docker.com/v2/users/login/ | jq -r .token) && \
+    curl -fsL --retry 3 -o /dev/null -X "DELETE" -H "Authorization: JWT ${authtoken}" https://hub.docker.com/v2/repositories/authelia/authelia/tags/${BRANCH_TAG}/
+  done
+  echo "--- :docker: Removing tags for merged or closed pull requests"
+  for PR_TAG in $(dockerprtags=$(curl -fsL --retry 3 -H "Authorization: Bearer ${anontoken}" https://registry-1.docker.io/v2/authelia/authelia/tags/list | jq -r '.tags[] | select(startswith("PR"))' | sort) && \
+  githubprs=$(curl -fs --retry 3 https://api.github.com/repos/authelia/authelia/pulls | jq -r '.[].number' | sed -e 's/^/PR/' | sort) && \
+  comm -23 <(echo "${dockerprtags}") <(echo "${githubprs}")); do
+    echo "Removing tag ${PR_TAG}"
+    curl -fsL --retry 3 -o /dev/null -X "DELETE" -H "Authorization: JWT ${authtoken}" https://hub.docker.com/v2/repositories/authelia/authelia/tags/${PR_TAG}/
+  done
+fi