From e3ade7e2799ee44433281a58eb52270efd8f9bce Mon Sep 17 00:00:00 2001
From: JP Simard <jp@jpsim.com>
Date: Tue, 23 Aug 2022 15:10:41 -0400
Subject: [PATCH] ci: use 'jpsim/retest' GitHub Action for `/retest` command
 (#2491)

Defined here: https://github.com/jpsim/retest

It has a number of advantages over the previous in-repo implementation:

1. Runs faster because it runs in a node.js environment and doesn't
   require pulling and running a Docker container
2. Written in Typescript instead of bash/jq
3. Has unit tests
4. _Potentially_ will be better maintained if it ends up being used &
   improved by other people unrelated to their relationship with Envoy
   Mobile

Otherwise should be at feature parity with the previous implementation.

Signed-off-by: JP Simard <jp@jpsim.com>
---
 .github/actions/retest-action/Dockerfile    |  7 ---
 .github/actions/retest-action/action.yml    | 11 ----
 .github/actions/retest-action/entrypoint.sh | 69 ---------------------
 .github/workflows/commands.yml              |  8 +--
 4 files changed, 3 insertions(+), 92 deletions(-)
 delete mode 100644 .github/actions/retest-action/Dockerfile
 delete mode 100644 .github/actions/retest-action/action.yml
 delete mode 100755 .github/actions/retest-action/entrypoint.sh

diff --git a/.github/actions/retest-action/Dockerfile b/.github/actions/retest-action/Dockerfile
deleted file mode 100644
index 187be63729..0000000000
--- a/.github/actions/retest-action/Dockerfile
+++ /dev/null
@@ -1,7 +0,0 @@
-FROM alpine:3.10
-
-RUN apk add --no-cache bash curl jq
-
-COPY entrypoint.sh /entrypoint.sh
-
-ENTRYPOINT ["/entrypoint.sh"]
diff --git a/.github/actions/retest-action/action.yml b/.github/actions/retest-action/action.yml
deleted file mode 100644
index b77683dcf1..0000000000
--- a/.github/actions/retest-action/action.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-name: 'Re-Test'
-description: 'Re-Runs the failing jobs from the last workflow for a PR'
-inputs:
-  token:
-    description: 'GitHub API Token'
-    required: true
-runs:
-  using: 'docker'
-  image: 'Dockerfile'
-  env:
-    GITHUB_TOKEN: ${{ inputs.token }}
diff --git a/.github/actions/retest-action/entrypoint.sh b/.github/actions/retest-action/entrypoint.sh
deleted file mode 100755
index 8dcb98b5c1..0000000000
--- a/.github/actions/retest-action/entrypoint.sh
+++ /dev/null
@@ -1,69 +0,0 @@
-#!/bin/bash
-
-set -euo pipefail
-
-# Check if this is a PR event
-
-if ! jq -e '.issue.pull_request' "${GITHUB_EVENT_PATH}"; then
-  echo "Not a PR... Exiting."
-  exit 0
-fi
-
-# Check if the comment is "/retest"
-
-if [ "$(jq -r '.comment.body' "${GITHUB_EVENT_PATH}")" != "/retest" ]; then
-  echo "Nothing to do... Exiting."
-  exit 0
-fi
-
-# Get the PR details
-
-PR_URL=$(jq -r '.issue.pull_request.url' "${GITHUB_EVENT_PATH}")
-
-curl --silent --request GET \
-  --url "${PR_URL}" \
-  --header "authorization: Bearer ${GITHUB_TOKEN}" \
-  --header "content-type: application/json" > pr.json
-
-# Extract useful PR info
-
-PR_NUMBER=$(jq -r '.number' pr.json)
-PR_BRANCH=$(jq -r '.head.ref' pr.json)
-PR_COMMIT=$(jq -r '.head.sha' pr.json)
-
-echo "Running /retest command for PR #${PR_NUMBER}"
-echo "PR branch: ${PR_BRANCH}"
-echo "Latest PR commit: ${PR_COMMIT}"
-
-# Get failed Workflow runs for the latest PR commit
-
-curl --silent --request GET \
-  --url "https://api.github.com/repos/envoyproxy/envoy-mobile/actions/runs?branch=${PR_BRANCH}" \
-  --header "authorization: Bearer ${GITHUB_TOKEN}" \
-  --header "content-type: application/json" > runs.json
-jq ".workflow_runs[] | select(.head_sha == \"${PR_COMMIT}\") | select((.conclusion == \"cancelled\") or (.conclusion == \"failure\") or (.conclusion == \"timed_out\"))" runs.json > failed_runs.json
-jq -c ". | {name: .name, url: .url}" failed_runs.json > failed_runs_compact.json
-
-# Iterate over each failed run and retry its failed jobs
-
-while read -r failed_run; do
-  echo "$failed_run" > line.json
-  RUN_NAME="$(jq -r '.name' line.json)"
-  echo "Retrying failed job: ${RUN_NAME}"
-  RUN_URL="$(jq -r '.url' line.json)"
-  curl --silent --request POST \
-    --url "${RUN_URL}/rerun-failed-jobs" \
-    --header "authorization: Bearer ${GITHUB_TOKEN}" \
-    --header "content-type: application/json"
-done < failed_runs_compact.json
-
-# Add a rocket emoji reaction to the "/retest" comment to inform that this script finished running
-
-REACTION_URL="$(jq -r '.comment.url' "${GITHUB_EVENT_PATH}")/reactions"
-
-curl --silent --request POST \
-  --url "${REACTION_URL}" \
-  --header "authorization: Bearer ${GITHUB_TOKEN}" \
-  --header "accept: application/vnd.github.squirrel-girl-preview+json" \
-  --header "content-type: application/json" \
-  --data '{ "content" : "rocket" }'
diff --git a/.github/workflows/commands.yml b/.github/workflows/commands.yml
index eb10f33bff..2231550a7f 100644
--- a/.github/workflows/commands.yml
+++ b/.github/workflows/commands.yml
@@ -5,12 +5,10 @@ on:
 
 jobs:
   retest:
+    name: Retest
     runs-on: ubuntu-latest
     steps:
-      - name: Check out code
-        uses: actions/checkout@v2
-
-      - name: Re-Test Action
-        uses: ./.github/actions/retest-action
+      #       jpsim/retest@v1
+      - uses: jpsim/retest@c158dec0a7f67cb85f8367468dc8a9a75308bb7f
         with:
           token: ${{ secrets.GITHUB_TOKEN }}