37 lines
1.7 KiB
Bash
Executable file
37 lines
1.7 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Copyright (c) HashiCorp, Inc.
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# SPDX-License-Identifier: MPL-2.0
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set -uo pipefail
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### This script checks if any metric behavior has been modified.
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### The checks rely on the git diff against origin/main
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### It is still up to the reviewer to make sure that any tests added are needed and meaningful.
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# search for any "new" or modified metric emissions
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metrics_modified=$(git --no-pager diff origin/main...HEAD | grep -i "SetGauge\|EmitKey\|IncrCounter\|AddSample\|MeasureSince\|UpdateFilter" | grep "^[+-]")
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# search for PR body or title metric references
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metrics_in_pr_body=$(echo "${PR_BODY-""}" | grep -i "metric")
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metrics_in_pr_title=$(echo "${PR_TITLE-""}" | grep -i "metric")
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# if there have been code changes to any metric or mention of metrics in the pull request body
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if [ "$metrics_modified" ] || [ "$metrics_in_pr_body" ] || [ "$metrics_in_pr_title" ]; then
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# need to check if there are modifications to metrics_test
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test_files_regex="*_test.go"
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modified_metrics_test_files=$(git --no-pager diff HEAD "$(git merge-base HEAD "origin/main")" -- "$test_files_regex" | grep -i "metric" | grep "^[+-]")
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if [ "$modified_metrics_test_files" ]; then
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# 1 happy path: metrics_test has been modified bc we modified metrics behavior
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echo "PR seems to modify metrics behavior. It seems it may have added tests to the metrics as well."
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exit 0
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else
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echo "PR seems to modify metrics behavior. It seems no tests or test behavior has been modified."
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echo "Please update the PR with any relevant updated testing or add a pr/no-metrics-test label to skip this check."
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exit 1
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fi
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else
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# no metrics modified in code, nothing to check
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echo "No metric behavior seems to be modified."
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exit 0
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fi
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