services diff gha

.github/workflows/teamcity-services-diff-check.yml

@@ -0,0 +1,47 @@
+name: TeamCity Services Diff Check
+permissions: read-all
+
+on:
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - '.github/workflows/teamcity-services-diff-check.yml'
+      - 'mmv1/third_party/terraform/!.teamcity'
+jobs:
+  terraform-provider-google:
+    uses: ./.github/workflows/build-downstream.yml
+    with:
+      repo: 'terraform-provider-google'
+
+  teamcity-services-diff-check-ga:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          fetch-depth: 0
+
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '^1.20.1'
+
+      - name: Cache Go modules and build cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+          key: ${{ runner.os }}-test-terraform-provider-google-${{hashFiles('go.sum','google-*/transport/**','google-*/tpgresource/**','google-*/acctest/**','google-*/envvar/**','google-*/sweeper/**','google-*/verify/**') }}
+          restore-keys: |
+              ${{ runner.os }}-test-terraform-provider-google-${{ hashFiles('go.sum') }}
+              ${{ runner.os }}-test-terraform-provider-google-
+
+      - name: Build Provider
+        run: |
+          go build
+
+      - name: Diff Check
+        run: |
+          cd mmv1/third_party/terraform/.teamcity/components/inputs
+          go run diff_check.go

mmv1/third_party/terraform/.teamcity/components/inputs/diff_check.go

@@ -0,0 +1,82 @@
+// This file is controlled by MMv1, any changes made here will be overwritten
+
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"fmt"
+	"io"
+	"os"
+	"os/exec"
+	"regexp"
+)
+
+func main() {
+	cmd := exec.Command("go", "list", "../../../google/services/...")
+	stdout, err := cmd.Output()
+	fmt.Println(stdout)
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	pattern := regexp.MustCompile(`github\.com\/hashicorp\/terraform-provider-google\/google\/services\/(?P<service>\w+)`)
+
+	// Template to convert "key: value" to "key=value" by
+	// referencing the values captured by the regex pattern.
+	template := []byte("$service\n")
+
+	googleServices := []byte{}
+
+	// For each match of the regex in the content.
+	for _, submatches := range pattern.FindAllSubmatchIndex(stdout, -1) {
+		// Apply the captured submatches to the template and append the output
+		// to the result.
+		googleServices = pattern.Expand(googleServices, template, stdout, submatches)
+	}
+
+	////////////////////////////////////////////////////////////////////////////////
+
+	f, err := os.Open("services_ga.kt")
+	if err != nil {
+		panic(err)
+	}
+
+	// Get the file size
+	stat, err := f.Stat()
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	// Read the file into a byte slice
+	bs := make([]byte, stat.Size())
+	_, err = bufio.NewReader(f).Read(bs)
+	if err != nil && err != io.EOF {
+		fmt.Println(err)
+		return
+	}
+
+	// Regex pattern captures "key: value" pair from the content.
+	pattern = regexp.MustCompile(`(?m)"(?P<service>\w+)"\sto\s+mapOf`)
+
+	// Template to convert "key: value" to "key=value" by
+	// referencing the values captured by the regex pattern.
+	template = []byte("$service\n")
+
+	teamcityServices := []byte{}
+
+	// For each match of the regex in the content.
+	for _, submatches := range pattern.FindAllSubmatchIndex(bs, -1) {
+		// Apply the captured submatches to the template and append the output
+		// to the result.
+		teamcityServices = pattern.Expand(teamcityServices, template, bs, submatches)
+	}
+
+	if bytes.Equal(googleServices, teamcityServices) {
+		fmt.Println("No Changes!")
+	} else {
+		fmt.Println("Diff")
+	}
+}