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DevCats
98 lines
2.8 KiB
Bash
Executable File
98 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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# Auto-detect which Terraform modules to validate based on changed files from paths-filter
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# Uses paths-filter outputs from GitHub Actions:
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# ALL_CHANGED_FILES - all files changed in the PR (for logging)
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# SHARED_CHANGED - boolean indicating if shared infrastructure changed
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# MODULE_CHANGED_FILES - only files in registry/**/modules/** (for processing)
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# Validates all modules if shared infrastructure changes, or skips if no changes detected
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#
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# This script only validates changed modules. Documentation and template changes are ignored.
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validate_terraform_directory() {
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local dir="$1"
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echo "Running \`terraform validate\` in $dir"
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pushd "$dir" > /dev/null
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terraform init -upgrade
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terraform validate
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popd > /dev/null
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}
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main() {
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echo "==> Detecting changed files..."
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if [[ -n "${ALL_CHANGED_FILES:-}" ]]; then
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echo "Changed files in PR:"
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echo "$ALL_CHANGED_FILES" | tr ' ' '\n' | sed 's/^/ - /'
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echo ""
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fi
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local script_dir
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script_dir=$(dirname "$(readlink -f "$0")")
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local registry_dir
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registry_dir=$(readlink -f "$script_dir/../registry")
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if [[ "${SHARED_CHANGED:-false}" == "true" ]]; then
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echo "==> Shared infrastructure changed"
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echo "==> Validating all modules for safety"
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local subdirs
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subdirs=$(find "$registry_dir" -mindepth 3 -maxdepth 3 -path "*/modules/*" -type d | sort)
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elif [[ -z "${MODULE_CHANGED_FILES:-}" ]]; then
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echo "✓ No module files changed, skipping validation"
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exit 0
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else
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CHANGED_FILES=$(echo "$MODULE_CHANGED_FILES" | tr ' ' '\n')
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MODULE_DIRS=()
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while IFS= read -r file; do
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if [[ "$file" =~ \.(md|png|jpg|jpeg|svg)$ ]]; then
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continue
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fi
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if [[ "$file" =~ ^registry/([^/]+)/modules/([^/]+)/ ]]; then
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local namespace
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namespace="${BASH_REMATCH[1]}"
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local module
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module="${BASH_REMATCH[2]}"
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local module_dir
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module_dir="registry/${namespace}/modules/${module}"
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if [[ -d "$module_dir" ]] && [[ ! " ${MODULE_DIRS[*]} " =~ " $module_dir " ]]; then
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MODULE_DIRS+=("$module_dir")
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fi
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fi
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done <<< "$CHANGED_FILES"
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if [[ ${#MODULE_DIRS[@]} -eq 0 ]]; then
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echo "✓ No modules to validate"
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echo " (documentation, templates, namespace files, or modules without changes)"
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exit 0
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fi
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echo "==> Validating ${#MODULE_DIRS[@]} changed module(s):"
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for dir in "${MODULE_DIRS[@]}"; do
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echo " - $dir"
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done
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echo ""
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local subdirs="${MODULE_DIRS[*]}"
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fi
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status=0
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for dir in $subdirs; do
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# Skip over any directories that obviously don't have the necessary
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# files
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if test -f "$dir/main.tf"; then
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if ! validate_terraform_directory "$dir"; then
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status=1
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fi
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fi
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done
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exit $status
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}
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main
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