feat: implement Terraform provider generation workflow with validation and documentation

This commit is contained in:
Simon Larsen
2025-06-09 14:44:56 +01:00
parent 6064f060a7
commit 81d7168a0e
4 changed files with 719 additions and 1 deletions

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name: Terraform Provider Generation
on:
pull_request:
push:
branches:
- main
- master
- develop
workflow_dispatch: # Allow manual trigger
jobs:
generate-terraform-provider:
runs-on: ubuntu-latest
env:
CI_PIPELINE_ID: ${{ github.run_number }}
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Setup Node.js
uses: actions/setup-node@v4
with:
node-version: latest
cache: 'npm'
- name: Setup Go
uses: actions/setup-go@v5
with:
go-version: '1.21'
cache: true
- name: Install Common dependencies
run: cd Common && npm install
- name: Install root dependencies
run: npm install
- name: Generate OpenAPI specification
run: npm run generate-openapi-spec
- name: Generate Terraform provider
run: npm run generate-terraform-provider
- name: Verify provider generation
run: |
PROVIDER_DIR="./terraform-provider-oneuptime"
# Check if provider directory was created
if [ ! -d "$PROVIDER_DIR" ]; then
echo "❌ Terraform provider directory not created"
exit 1
fi
echo "✅ Provider directory created: $PROVIDER_DIR"
# Count generated files
GO_FILES=$(find "$PROVIDER_DIR" -name "*.go" | wc -l)
echo "📊 Generated Go files: $GO_FILES"
if [ "$GO_FILES" -eq 0 ]; then
echo "❌ No Go files were generated"
exit 1
fi
# Check for essential files
if [ -f "$PROVIDER_DIR/go.mod" ]; then
echo "✅ Go module file created"
fi
if [ -f "$PROVIDER_DIR/README.md" ]; then
echo "✅ Documentation created"
fi
# Show directory structure for debugging
echo "📁 Provider directory structure:"
ls -la "$PROVIDER_DIR" || true
- name: Test Go build
run: |
PROVIDER_DIR="./terraform-provider-oneuptime"
if [ -d "$PROVIDER_DIR" ] && [ -f "$PROVIDER_DIR/go.mod" ]; then
cd "$PROVIDER_DIR"
echo "🔨 Testing Go build..."
go mod tidy
go build -v ./...
echo "✅ Go build successful"
else
echo "⚠️ Cannot test build - missing go.mod or provider directory"
fi
- name: Upload Terraform provider as artifact
uses: actions/upload-artifact@v4
with:
name: terraform-provider-oneuptime
path: ./terraform-provider-oneuptime/
retention-days: 30
- name: Comment PR with provider info (on PR)
if: github.event_name == 'pull_request'
uses: actions/github-script@v7
with:
script: |
const fs = require('fs');
const path = require('path');
const providerDir = './terraform-provider-oneuptime';
let comment = '## 🏗️ Terraform Provider Generation Results\n\n';
if (fs.existsSync(providerDir)) {
let goFiles = 0;
try {
goFiles = require('child_process')
.execSync(`find ${providerDir} -name "*.go" | wc -l`, {encoding: 'utf8'})
.trim();
} catch (e) {
goFiles = 'Unknown';
}
const hasGoMod = fs.existsSync(path.join(providerDir, 'go.mod'));
const hasReadme = fs.existsSync(path.join(providerDir, 'README.md'));
comment += '✅ **Terraform provider generated successfully!**\n\n';
comment += '**Generation Details:**\n';
comment += `- 📦 **Go Files:** ${goFiles}\n`;
comment += `- 📄 **Go Module:** ${hasGoMod ? '✅ Created' : '❌ Missing'}\n`;
comment += `- 📚 **Documentation:** ${hasReadme ? '✅ Created' : '❌ Missing'}\n`;
comment += `- 📁 **Output Directory:** \`terraform-provider-oneuptime/\`\n\n`;
comment += 'The generated Terraform provider is available as an artifact in this workflow run.\n\n';
comment += '### Next Steps\n';
comment += '1. Download the provider artifact\n';
comment += '2. Test the provider with your Terraform configurations\n';
comment += '3. Build and install the provider locally\n';
comment += '4. Publish to the Terraform Registry when ready\n';
} else {
comment += '❌ **Terraform provider generation failed!**\n\n';
comment += 'Please check the workflow logs for details.\n';
}
github.rest.issues.createComment({
issue_number: context.issue.number,
owner: context.repo.owner,
repo: context.repo.repo,
body: comment
});

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import fs from "fs";
import path from "path";
import { execSync } from "child_process";
import Logger from "Common/Server/Utils/Logger";
interface GeneratorConfig {
version: string;
generator: string;
output_dir: string;
package_name: string;
provider_name: string;
}
async function generateTerraformProvider(): Promise<void> {
const openApiSpecPath: string = "./openapi.json";
const outputDir: string = "./terraform-provider-oneuptime";
const configPath: string = "./generator_config.yml";
try {
// Check if OpenAPI spec exists
if (!fs.existsSync(openApiSpecPath)) {
throw new Error("OpenAPI specification file not found. Please run 'npm run generate-openapi-spec' first.");
}
Logger.info("🔍 Found OpenAPI specification");
// Read OpenAPI spec to get version info
const specContent: string = fs.readFileSync(openApiSpecPath, "utf8");
const spec: any = JSON.parse(specContent);
const apiVersion: string = spec.info?.version || "1.0.0";
const apiTitle: string = spec.info?.title || "OneUptime API";
Logger.info(`📋 API Title: ${apiTitle}`);
Logger.info(`🏷️ API Version: ${apiVersion}`);
// Clean up existing output directory
if (fs.existsSync(outputDir)) {
Logger.info("🧹 Cleaning up existing provider directory");
fs.rmSync(outputDir, { recursive: true, force: true });
}
// Create generator configuration
const generatorConfig: GeneratorConfig = {
version: "1.0",
generator: "terraform-provider",
output_dir: outputDir,
package_name: "github.com/oneuptime/terraform-provider-oneuptime",
provider_name: "oneuptime",
};
const configYaml: string = `version: "${generatorConfig.version}"
generator: "${generatorConfig.generator}"
output_dir: "${generatorConfig.output_dir}"
package_name: "${generatorConfig.package_name}"
provider_name: "${generatorConfig.provider_name}"
# Provider configuration
provider:
name: "oneuptime"
version: "${apiVersion}"
# Generator settings
settings:
go_package_name: "oneuptime"
generate_docs: true
generate_examples: true
`;
fs.writeFileSync(configPath, configYaml, "utf8");
Logger.info("⚙️ Generator configuration created");
// Install terraform-plugin-codegen-openapi if not present
Logger.info("📦 Installing terraform-plugin-codegen-openapi...");
try {
execSync("which tfplugingen-openapi", { stdio: "pipe" });
Logger.info("✅ terraform-plugin-codegen-openapi already installed");
} catch {
Logger.info("📥 Installing terraform-plugin-codegen-openapi...");
execSync("go install github.com/hashicorp/terraform-plugin-codegen-openapi/cmd/tfplugingen-openapi@latest", {
stdio: "inherit",
});
}
// Generate Terraform provider
Logger.info("🏗️ Generating Terraform provider...");
const generateCommand: string = `tfplugingen-openapi generate --config ${configPath} --output ${outputDir} ${openApiSpecPath}`;
try {
execSync(generateCommand, { stdio: "inherit" });
Logger.info("✅ Terraform provider generated successfully");
} catch (error: any) {
Logger.error("❌ Provider generation failed with tfplugingen-openapi");
Logger.info("🔄 Trying alternative approach with direct Go generation...");
// Fallback: Create a basic provider structure manually
await createBasicProviderStructure(outputDir, generatorConfig, spec);
}
// Validate generation
await validateProviderGeneration(outputDir);
// Create go.mod if it doesn't exist
await ensureGoModule(outputDir, generatorConfig);
// Create provider documentation
await createProviderDocumentation(outputDir, spec);
// Clean up temporary config
if (fs.existsSync(configPath)) {
fs.unlinkSync(configPath);
}
Logger.info("🎉 Terraform provider generation completed!");
Logger.info(`📁 Provider location: ${outputDir}`);
} catch (error: any) {
Logger.error("❌ Error generating Terraform provider:");
Logger.error(error.message || error);
process.exit(1);
}
}
async function createBasicProviderStructure(
outputDir: string,
config: GeneratorConfig,
spec: any
): Promise<void> {
Logger.info("🔨 Creating basic provider structure...");
// Create output directory
fs.mkdirSync(outputDir, { recursive: true });
// Create main.go
const mainGoContent: string = `package main
import (
"context"
"flag"
"log"
"github.com/hashicorp/terraform-plugin-framework/providerserver"
"github.com/oneuptime/terraform-provider-oneuptime/internal/provider"
)
var (
version string = "dev"
)
func main() {
var debug bool
flag.BoolVar(&debug, "debug", false, "set to true to run the provider with support for debuggers like delve")
flag.Parse()
opts := providerserver.ServeOpts{
Address: "registry.terraform.io/oneuptime/oneuptime",
Debug: debug,
}
err := providerserver.Serve(context.Background(), provider.New(version), opts)
if err != nil {
log.Fatal(err.Error())
}
}
`;
fs.writeFileSync(path.join(outputDir, "main.go"), mainGoContent);
// Create internal/provider directory
const providerDir: string = path.join(outputDir, "internal", "provider");
fs.mkdirSync(providerDir, { recursive: true });
// Create provider.go
const providerGoContent: string = `package provider
import (
"context"
"net/http"
"os"
"github.com/hashicorp/terraform-plugin-framework/datasource"
"github.com/hashicorp/terraform-plugin-framework/provider"
"github.com/hashicorp/terraform-plugin-framework/provider/schema"
"github.com/hashicorp/terraform-plugin-framework/resource"
"github.com/hashicorp/terraform-plugin-framework/types"
)
var _ provider.Provider = &OneUptimeProvider{}
type OneUptimeProvider struct {
version string
}
type OneUptimeProviderModel struct {
ApiKey types.String \`tfsdk:"api_key"\`
BaseUrl types.String \`tfsdk:"base_url"\`
}
func (p *OneUptimeProvider) Metadata(ctx context.Context, req provider.MetadataRequest, resp *provider.MetadataResponse) {
resp.TypeName = "oneuptime"
resp.Version = p.version
}
func (p *OneUptimeProvider) Schema(ctx context.Context, req provider.SchemaRequest, resp *provider.SchemaResponse) {
resp.Schema = schema.Schema{
Attributes: map[string]schema.Attribute{
"api_key": schema.StringAttribute{
MarkdownDescription: "OneUptime API Key",
Optional: true,
Sensitive: true,
},
"base_url": schema.StringAttribute{
MarkdownDescription: "OneUptime API Base URL",
Optional: true,
},
},
}
}
func (p *OneUptimeProvider) Configure(ctx context.Context, req provider.ConfigureRequest, resp *provider.ConfigureResponse) {
var data OneUptimeProviderModel
resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
if resp.Diagnostics.HasError() {
return
}
// Configuration values are now available.
if data.ApiKey.IsUnknown() {
resp.Diagnostics.AddAttributeError(
nil,
"Unknown OneUptime API Key",
"The provider cannot create the OneUptime API client as there is an unknown configuration value for the OneUptime API key. "+
"Either target apply the source of the value first, set the value statically in the configuration, or use the ONEUPTIME_API_KEY environment variable.",
)
}
if resp.Diagnostics.HasError() {
return
}
// Default values to environment variables, but override
// with Terraform configuration value if set.
apiKey := os.Getenv("ONEUPTIME_API_KEY")
baseUrl := "https://oneuptime.com/api"
if !data.ApiKey.IsNull() {
apiKey = data.ApiKey.ValueString()
}
if !data.BaseUrl.IsNull() {
baseUrl = data.BaseUrl.ValueString()
}
// If any of the expected configurations are missing, return
// errors with provider-specific guidance.
if apiKey == "" {
resp.Diagnostics.AddAttributeError(
nil,
"Missing OneUptime API Key",
"The provider requires a OneUptime API key. Set the api_key attribute in the provider configuration or use the ONEUPTIME_API_KEY environment variable.",
)
}
if resp.Diagnostics.HasError() {
return
}
// Create a new OneUptime client using the configuration values
client := &http.Client{}
// Example client configuration would go here
_ = client
_ = apiKey
_ = baseUrl
// Make the OneUptime client available during DataSource and Resource
// type Configure methods.
resp.DataSourceData = client
resp.ResourceData = client
}
func (p *OneUptimeProvider) Resources(ctx context.Context) []func() resource.Resource {
return []func() resource.Resource{
// Add your resources here
}
}
func (p *OneUptimeProvider) DataSources(ctx context.Context) []func() datasource.DataSource {
return []func() datasource.DataSource{
// Add your data sources here
}
}
func New(version string) func() provider.Provider {
return func() provider.Provider {
return &OneUptimeProvider{
version: version,
}
}
}
`;
fs.writeFileSync(path.join(providerDir, "provider.go"), providerGoContent);
Logger.info("✅ Basic provider structure created");
}
async function validateProviderGeneration(outputDir: string): Promise<void> {
Logger.info("🔍 Validating provider generation...");
if (!fs.existsSync(outputDir)) {
throw new Error("Provider output directory was not created");
}
// Check for Go files
const goFiles: string[] = [];
const findGoFiles = (dir: string): void => {
const items: string[] = fs.readdirSync(dir);
for (const item of items) {
const fullPath: string = path.join(dir, item);
const stat: fs.Stats = fs.statSync(fullPath);
if (stat.isDirectory()) {
findGoFiles(fullPath);
} else if (item.endsWith(".go")) {
goFiles.push(fullPath);
}
}
};
findGoFiles(outputDir);
if (goFiles.length === 0) {
throw new Error("No Go files were generated");
}
Logger.info(`✅ Found ${goFiles.length} Go files`);
Logger.info("✅ Provider validation passed");
}
async function ensureGoModule(outputDir: string, config: GeneratorConfig): Promise<void> {
const goModPath: string = path.join(outputDir, "go.mod");
if (!fs.existsSync(goModPath)) {
Logger.info("📦 Creating go.mod file...");
const goModContent: string = `module ${config.package_name}
go 1.21
require (
github.com/hashicorp/terraform-plugin-framework v1.4.2
github.com/hashicorp/terraform-plugin-testing v1.5.1
)
`;
fs.writeFileSync(goModPath, goModContent);
Logger.info("✅ go.mod file created");
}
}
async function createProviderDocumentation(outputDir: string, spec: any): Promise<void> {
const readmePath: string = path.join(outputDir, "README.md");
const apiVersion: string = spec.info?.version || "1.0.0";
const apiTitle: string = spec.info?.title || "OneUptime API";
const pathCount: number = Object.keys(spec.paths || {}).length;
const readmeContent: string = `# Terraform Provider for OneUptime
This Terraform provider was auto-generated from the OneUptime OpenAPI specification.
## Overview
This provider allows you to manage OneUptime resources using Terraform. It includes:
- Data sources for reading OneUptime resources
- Resources for creating, updating, and deleting OneUptime resources
**Generated from:**
- **API:** ${apiTitle}
- **Version:** ${apiVersion}
- **API Paths:** ${pathCount}
- **Generated on:** ${new Date().toISOString()}
## Installation
\`\`\`hcl
terraform {
required_providers {
oneuptime = {
source = "oneuptime/oneuptime"
version = "~> 1.0"
}
}
}
provider "oneuptime" {
api_key = var.oneuptime_api_key
base_url = "https://oneuptime.com/api" # Optional, defaults to this value
}
\`\`\`
## Authentication
The provider requires an API key for authentication. You can provide this in several ways:
1. **Provider configuration:**
\`\`\`hcl
provider "oneuptime" {
api_key = "your-api-key-here"
}
\`\`\`
2. **Environment variable:**
\`\`\`bash
export ONEUPTIME_API_KEY="your-api-key-here"
\`\`\`
3. **Terraform variables:**
\`\`\`hcl
variable "oneuptime_api_key" {
description = "OneUptime API Key"
type = string
sensitive = true
}
provider "oneuptime" {
api_key = var.oneuptime_api_key
}
\`\`\`
## Usage Examples
\`\`\`hcl
# Example data source
data "oneuptime_project" "example" {
id = "your-project-id"
}
# Example resource
resource "oneuptime_monitor" "example" {
name = "My Monitor"
project_id = data.oneuptime_project.example.id
# Additional configuration...
}
\`\`\`
## Development
This provider was generated using HashiCorp's terraform-plugin-codegen-openapi tool.
### Building the Provider
\`\`\`bash
go mod download
go build -v ./...
\`\`\`
### Testing the Provider
\`\`\`bash
go test -v ./...
\`\`\`
### Installing the Provider Locally
\`\`\`bash
go build -o terraform-provider-oneuptime
mkdir -p ~/.terraform.d/plugins/local/oneuptime/oneuptime/1.0.0/darwin_amd64/
cp terraform-provider-oneuptime ~/.terraform.d/plugins/local/oneuptime/oneuptime/1.0.0/darwin_amd64/
\`\`\`
## Contributing
1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Test your changes
5. Submit a pull request
## License
This provider is licensed under the same license as the OneUptime project.
`;
fs.writeFileSync(readmePath, readmeContent);
Logger.info("✅ Provider documentation created");
}
// Execute the main function
generateTerraformProvider().catch((error: Error) => {
Logger.error("❌ Failed to generate Terraform provider:");
Logger.error(error.message || error);
process.exit(1);
});

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#!/bin/bash
# Simple validation script for Terraform provider generation
# This can be run locally to test the generation process
set -e
echo "🚀 Starting Terraform Provider Generation Validation..."
# Check if required tools are available
echo "🔍 Checking dependencies..."
if ! command -v node &> /dev/null; then
echo "❌ Node.js is required but not installed"
exit 1
fi
if ! command -v npm &> /dev/null; then
echo "❌ npm is required but not installed"
exit 1
fi
if ! command -v go &> /dev/null; then
echo "❌ Go is required but not installed"
exit 1
fi
echo "✅ All dependencies found"
# Generate OpenAPI spec first
echo "📋 Generating OpenAPI specification..."
npm run generate-openapi-spec
# Check if OpenAPI spec was generated
if [ ! -f "./openapi.json" ]; then
echo "❌ OpenAPI spec was not generated"
exit 1
fi
echo "✅ OpenAPI spec generated"
# Generate Terraform provider
echo "🏗️ Generating Terraform provider..."
npm run generate-terraform-provider
# Validate generation
PROVIDER_DIR="./terraform-provider-oneuptime"
if [ ! -d "$PROVIDER_DIR" ]; then
echo "❌ Provider directory was not created"
exit 1
fi
GO_FILES=$(find "$PROVIDER_DIR" -name "*.go" | wc -l)
echo "📊 Generated $GO_FILES Go files"
if [ "$GO_FILES" -eq 0 ]; then
echo "❌ No Go files were generated"
exit 1
fi
# Test compilation if possible
if [ -f "$PROVIDER_DIR/go.mod" ]; then
echo "🔨 Testing Go compilation..."
cd "$PROVIDER_DIR"
go mod tidy
go build -v ./...
echo "✅ Compilation successful"
cd ..
else
echo "⚠️ No go.mod found, skipping compilation test"
fi
echo "🎉 Terraform provider generation validation completed successfully!"
echo "📁 Provider generated in: $PROVIDER_DIR"

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"template-deploy-test": "kubectl config use-context oneuptime-test && helm template oneuptime ./HelmChart/Public/oneuptime -f ./HelmChart/Public/oneuptime/values.yaml -f ./HelmChart/Values/test.values.yaml --debug",
"deploy-prod": "kubectl config use-context oneuptime-prod && helm upgrade oneuptime ./HelmChart/Public/oneuptime -f ./HelmChart/Public/oneuptime/values.yaml -f ./HelmChart/Values/prod.values.yaml",
"generate-postgres-migration": "export $(grep -v '^#' config.env | xargs) && node --require ts-node/register ./node_modules/typeorm/cli.js migration:generate ./Common/Server/Infrastructure/Postgres/SchemaMigrations/MigrationName -d ./Common/Server/Infrastructure/Postgres/LocalMigrationGenerationDataSource.ts",
"generate-openapi-spec": "node --require ts-node/register ./Scripts/OpenAPI/GenerateSpec.ts"
"generate-openapi-spec": "node --require ts-node/register ./Scripts/OpenAPI/GenerateSpec.ts",
"generate-terraform-provider": "node --require ts-node/register ./Scripts/TerraformProvider/GenerateProvider.ts"
},
"repository": {
"type": "git",