Add mergify

[v1v]

What does this PR do?

Add mergify for the backports to 7.x if PRs were assigned with the backport label.

We won't do for 6.x

Why is it important?

Ensure we don't forget backports

[apmmachine]

💔 Tests Failed

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Build stats

• Build Cause: Started by timer

• Start Time: 2021-03-26T03:34:00.678+0000

• Duration: 33 min 2 sec

• Commit: fb8b67e

Test stats 🧪

Test	Results
Failed	1
Passed	489
Skipped	1
Total	491

Trends 🧪

Test errors

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Tests / Sanity checks / Yaml lint – pre_commit.lint

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 error 

• no stacktrace

Log output

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[2021-03-26T03:39:12.250Z]   Downloading appdirs-1.4.4-py2.py3-none-any.whl (9.6 kB)
[2021-03-26T03:39:12.250Z] Collecting typing-extensions>=3.6.4
[2021-03-26T03:39:12.250Z]   Downloading typing_extensions-3.7.4.3-py3-none-any.whl (22 kB)
[2021-03-26T03:39:12.512Z] Collecting zipp>=0.5
[2021-03-26T03:39:12.512Z]   Downloading zipp-3.4.1-py3-none-any.whl (5.2 kB)
[2021-03-26T03:39:12.773Z] Installing collected packages: zipp, typing-extensions, six, importlib-resources, importlib-metadata, filelock, distlib, appdirs, virtualenv, toml, pyyaml, nodeenv, identify, cfgv, pre-commit
[2021-03-26T03:39:13.346Z] Successfully installed appdirs-1.4.4 cfgv-3.2.0 distlib-0.3.1 filelock-3.0.12 identify-2.2.1 importlib-metadata-3.7.3 importlib-resources-5.1.2 nodeenv-1.5.0 pre-commit-2.11.1 pyyaml-5.4.1 six-1.15.0 toml-0.10.2 typing-extensions-3.7.4.3 virtualenv-20.4.3 zipp-3.4.1
[2021-03-26T03:39:13.608Z] Downloading https://files.pythonhosted.org/packages/a4/e3/1f067de470e3a86875ed915438dc3bd781fb0346254f541190a09472b677/virtualenv-16.7.10.tar.gz
[2021-03-26T03:39:13.608Z] Done.
[2021-03-26T03:39:13.608Z] *******************************************************************************
[2021-03-26T03:39:13.608Z] Installing pre-commit to /var/lib/jenkins/workspace/apm-integration-tests_PR-1089/bin/pre-commit
[2021-03-26T03:39:13.608Z] *******************************************************************************
[2021-03-26T03:39:13.608Z] It looks like /var/lib/jenkins/workspace/apm-integration-tests_PR-1089/bin is not on your path
[2021-03-26T03:39:13.608Z] You may want to add it.
[2021-03-26T03:39:13.608Z] Often this does the trick: source ~/.profile
[2021-03-26T03:39:13.931Z] + export PATH=/var/lib/jenkins/workspace/apm-integration-tests_PR-1089/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
[2021-03-26T03:39:13.932Z] + pre-commit install --install-hooks
[2021-03-26T03:39:13.932Z] pre-commit installed at .git/hooks/pre-commit
[2021-03-26T03:39:14.192Z] [WARNING] The 'rev' field of repo 'https://github.com/detailyang/pre-commit-shell.git' appears to be a mutable reference (moving tag / branch).  Mutable references are never updated after first install and are not supported.  See https://pre-commit.com/#using-the-latest-version-for-a-repository for more details.  Hint: `pre-commit autoupdate` often fixes this.
[2021-03-26T03:39:14.192Z] [WARNING] The 'rev' field of repo 'https://github.com/elastic/apm-pipeline-library' appears to be a mutable reference (moving tag / branch).  Mutable references are never updated after first install and are not supported.  See https://pre-commit.com/#using-the-latest-version-for-a-repository for more details.  Hint: `pre-commit autoupdate` often fixes this.
[2021-03-26T03:39:14.192Z] [INFO] Initializing environment for https://github.com/pre-commit/pre-commit-hooks.
[2021-03-26T03:39:14.764Z] [INFO] Initializing environment for https://github.com/detailyang/pre-commit-shell.git.
[2021-03-26T03:39:15.027Z] [INFO] Initializing environment for https://github.com/adrienverge/yamllint.git.
[2021-03-26T03:39:15.599Z] [INFO] Initializing environment for https://github.com/elastic/apm-pipeline-library.
[2021-03-26T03:39:16.988Z] [INFO] Installing environment for https://github.com/pre-commit/pre-commit-hooks.
[2021-03-26T03:39:16.988Z] [INFO] Once installed this environment will be reused.
[2021-03-26T03:39:16.988Z] [INFO] This may take a few minutes...
[2021-03-26T03:39:23.589Z] [INFO] Installing environment for https://github.com/adrienverge/yamllint.git.
[2021-03-26T03:39:23.589Z] [INFO] Once installed this environment will be reused.
[2021-03-26T03:39:23.589Z] [INFO] This may take a few minutes...
[2021-03-26T03:39:27.213Z] + export PATH=/var/lib/jenkins/workspace/apm-integration-tests_PR-1089/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
[2021-03-26T03:39:27.213Z] + set +e
[2021-03-26T03:39:27.213Z] + find /var/lib/jenkins/workspace/apm-integration-tests_PR-1089/.cache/pre-commit -type d -name scripts
[2021-03-26T03:39:27.213Z] + grep .ci/scripts
[2021-03-26T03:39:27.213Z] + searchFile=/var/lib/jenkins/workspace/apm-integration-tests_PR-1089/.cache/pre-commit/repozfgv7uu3/.ci/scripts
[2021-03-26T03:39:27.213Z] + [ -e /var/lib/jenkins/workspace/apm-integration-tests_PR-1089/.cache/pre-commit/repozfgv7uu3/.ci/scripts ]
[2021-03-26T03:39:27.213Z] + export PATH=/var/lib/jenkins/workspace/apm-integration-tests_PR-1089/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/lib/jenkins/workspace/apm-integration-tests_PR-1089/.cache/pre-commit/repozfgv7uu3/.ci/scripts
[2021-03-26T03:39:27.214Z] + set -e
[2021-03-26T03:39:27.214Z] + git diff-tree --no-commit-id --name-only -r fb8b67e074921dda223b7182684d46321c50f2be
[2021-03-26T03:39:27.214Z] + tee pre-commit.out
[2021-03-26T03:39:27.214Z] + xargs pre-commit run --files
[2021-03-26T03:39:27.214Z] [WARNING] The 'rev' field of repo 'https://github.com/detailyang/pre-commit-shell.git' appears to be a mutable reference (moving tag / branch).  Mutable references are never updated after first install and are not supported.  See https://pre-commit.com/#using-the-latest-version-for-a-repository for more details.  Hint: `pre-commit autoupdate` often fixes this.
[2021-03-26T03:39:27.214Z] [WARNING] The 'rev' field of repo 'https://github.com/elastic/apm-pipeline-library' appears to be a mutable reference (moving tag / branch).  Mutable references are never updated after first install and are not supported.  See https://pre-commit.com/#using-the-latest-version-for-a-repository for more details.  Hint: `pre-commit autoupdate` often fixes this.
[2021-03-26T03:39:27.477Z] Check for case conflicts.................................................Passed
[2021-03-26T03:39:27.477Z] Check that executables have shebangs.................(no files to check)Skipped
[2021-03-26T03:39:27.477Z] Check JSON...........................................(no files to check)Skipped
[2021-03-26T03:39:27.477Z] Check for merge conflicts................................................Passed
[2021-03-26T03:39:27.477Z] Check Xml............................................(no files to check)Skipped
[2021-03-26T03:39:27.737Z] Fix End of Files.........................................................Passed
[2021-03-26T03:39:27.737Z] Shellscript: lint....................................(no files to check)Skipped
[2021-03-26T03:39:27.737Z] Yaml: lint...............................................................Failed
[2021-03-26T03:39:27.737Z] - hook id: yamllint
[2021-03-26T03:39:27.737Z] - exit code: 1
[2021-03-26T03:39:27.737Z] 
[2021-03-26T03:39:27.737Z] Traceback (most recent call last):
[2021-03-26T03:39:27.737Z]   File "/var/lib/jenkins/workspace/apm-integration-tests_PR-1089/.cache/pre-commit/repowkgjp69o/py_env-python3/bin/yamllint", line 8, in <module>
[2021-03-26T03:39:27.737Z]     sys.exit(run())
[2021-03-26T03:39:27.737Z]   File "/var/lib/jenkins/workspace/apm-integration-tests_PR-1089/.cache/pre-commit/repowkgjp69o/py_env-python3/lib/python3.6/site-packages/yamllint/cli.py", line 206, in run
[2021-03-26T03:39:27.737Z]     problems = linter.run(f, conf, filepath)
[2021-03-26T03:39:27.737Z]   File "/var/lib/jenkins/workspace/apm-integration-tests_PR-1089/.cache/pre-commit/repowkgjp69o/py_env-python3/lib/python3.6/site-packages/yamllint/linter.py", line 240, in run
[2021-03-26T03:39:27.737Z]     content = input.read()
[2021-03-26T03:39:27.737Z]   File "/usr/lib/python3.6/encodings/ascii.py", line 26, in decode
[2021-03-26T03:39:27.737Z]     return codecs.ascii_decode(input, self.errors)[0]
[2021-03-26T03:39:27.737Z] UnicodeDecodeError: 'ascii' codec can't decode byte 0xf0 in position 219: ordinal not in range(128)
[2021-03-26T03:39:27.737Z] 
[2021-03-26T03:39:27.737Z] check-bash-syntax....................................(no files to check)Skipped
[2021-03-26T03:39:27.737Z] check-abstract-classes-and-trait.....................(no files to check)Skipped
[2021-03-26T03:39:27.737Z] check-jsonslurper-class..............................(no files to check)Skipped
[2021-03-26T03:39:27.737Z] check-jenkins-pipelines..............................(no files to check)Skipped
[2021-03-26T03:39:27.737Z] - hook id: check-jenkins-pipelines
[2021-03-26T03:39:27.737Z] check-unicode-non-breaking-spaces........................................Passed
[2021-03-26T03:39:27.737Z] remove-unicode-non-breaking-spaces.......................................Passed
[2021-03-26T03:39:27.737Z] check-en-dashes..........................................................Passed
[2021-03-26T03:39:27.737Z] remove-en-dashes.........................................................Passed
[2021-03-26T03:39:27.737Z] check-jjbb...........................................(no files to check)Skipped
[2021-03-26T03:39:27.737Z] - hook id: check-jjbb
[2021-03-26T03:39:27.760Z] $ ssh-agent -k
[2021-03-26T03:39:27.769Z] unset SSH_AUTH_SOCK;
[2021-03-26T03:39:27.769Z] unset SSH_AGENT_PID;
[2021-03-26T03:39:27.769Z] echo Agent pid 2811 killed;
[2021-03-26T03:39:27.782Z] [ssh-agent] Stopped.
[2021-03-26T03:39:27.893Z] Archiving artifacts
[2021-03-26T03:39:28.096Z] Recording test results
[2021-03-26T03:39:28.425Z] [Checks API] No suitable checks publisher found.
[2021-03-26T03:39:29.290Z] [INFO] Launching Agent tests in parallel
[2021-03-26T03:39:29.484Z] Scheduling project: APM Integration Test Downstream » PR-1089
[2021-03-26T03:39:39.605Z] Starting building: APM Integration Test Downstream » PR-1089 #3
[2021-03-26T04:07:02.063Z] [INFO] For detailed information see: https://apm-ci.elastic.co/job/apm-integration-test-downstream/job/PR-1089/3/display/redirect
[2021-03-26T04:07:02.080Z] Running in /var/lib/jenkins/workspace/apm-integration-tests_PR-1089/All
[2021-03-26T04:07:02.257Z] Copied 17 artifacts from "APM Integration Test Downstream » PR-1089" build number 3
[2021-03-26T04:07:02.266Z] Recording test results
[2021-03-26T04:07:02.323Z] [Checks API] No suitable checks publisher found.
[2021-03-26T04:07:02.594Z] Running on Jenkins in /var/lib/jenkins/workspace/apm-integration-tests_PR-1089
[2021-03-26T04:07:02.622Z] [INFO] getVaultSecret: Getting secrets
[2021-03-26T04:07:02.819Z] Masking supported pattern matches of $VAULT_ADDR or $VAULT_ROLE_ID or $VAULT_SECRET_ID
[2021-03-26T04:07:03.391Z] + chmod 755 generate-build-data.sh
[2021-03-26T04:07:03.391Z] + ./generate-build-data.sh https://apm-ci.elastic.co/blue/rest/organizations/jenkins/pipelines/apm-integration-tests/PR-1089/ https://apm-ci.elastic.co/blue/rest/organizations/jenkins/pipelines/apm-integration-tests/PR-1089/runs/3 UNSTABLE 1982452
[2021-03-26T04:07:03.641Z] INFO: curl https://apm-ci.elastic.co/blue/rest/organizations/jenkins/pipelines/apm-integration-tests/PR-1089/runs/3/steps/?limit=10000 -o steps-info.json
[2021-03-26T04:07:03.891Z] INFO: curl https://apm-ci.elastic.co/blue/rest/organizations/jenkins/pipelines/apm-integration-tests/PR-1089/runs/3/tests/?status=FAILED -o tests-errors.json
[2021-03-26T04:07:04.142Z] INFO: curl https://apm-ci.elastic.co/blue/rest/organizations/jenkins/pipelines/apm-integration-tests/PR-1089/runs/3/log/ -o pipeline-log.txt