// GitOps Engine for Configuration Management
// 实现基于 Git 的配置管理和自动化部署工作流
use anyhow::{Context, Result};
use serde::{Deserialize, Serialize};
use std::collections::{BTreeMap, HashMap};
use std::sync::{Arc, Mutex};
use tracing::{debug, error, info, warn};
use std::time::SystemTime;
/// Repository URL
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RepositoryUrl(pub String);
/// Branch name
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BranchName(pub String);
/// Commit hash
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CommitHash(pub String);
/// Configuration change
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ConfigChange {
pub id: Uuid,
pub timestamp: SystemTime,
pub author: String,
pub message: String,
pub files: Vec<String>,
pub change_type: ChangeType,
pub target_environment: Environment,
}
/// Change type
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub enum ChangeType {
Create,
Update,
Delete,
Rename,
}
/// Target environment
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub enum Environment {
Development,
Staging,
Production,
}
/// Validation result
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ValidationResult {
pub valid: bool,
pub errors: Vec<String>,
pub warnings: Vec<String>,
pub timestamp: SystemTime,
}
/// Sync status
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum SyncStatus {
Pending,
Syncing,
Success,
Failed,
RollingBack,
}
/// Sync result
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SyncResult {
pub status: SyncStatus,
pub commit_hash: CommitHash,
pub timestamp: SystemTime,
pub message: String,
}
/// Git client
#[derive(Debug)]
pub struct GitClient {
repository_url: RepositoryUrl,
local_path: String,
branch: BranchName,
}
/// Config reconciler
#[derive(Debug)]
pub struct ConfigReconciler {
git_client: GitClient,
validation_rules: Vec<ValidationRule>,
sync_policies: Vec<SyncPolicy>,
}
/// Validation rule
#[derive(Debug, Clone)]
pub struct ValidationRule {
pub name: String,
pub description: String,
pub severity: RuleSeverity,
pub enabled: bool,
}
/// Rule severity
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum RuleSeverity {
Error,
Warning,
Info,
}
/// Sync policy
#[derive(Debug, Clone)]
pub struct SyncPolicy {
pub name: String,
pub environment: Environment,
pub auto_sync: bool,
pub require_approval: bool,
pub allowed_branches: Vec<BranchName>,
}
/// GitOps engine
#[derive(Debug)]
pub struct GitOpsEngine {
git_client: Arc<GitClient>,
reconciler: Arc<ConfigReconciler>,
sync_history: BTreeMap<Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult, Uuid, SyncResult>>,
pending_changes: BTreeMap<Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange, Uuid, ConfigChange>>,
}
impl GitClient {
/// Create a new Git client
pub fn new(repository_url: RepositoryUrl, local_path: &str, branch: BranchName) -> Self {
Self {
repository_url,
local_path: local_path.to_string(),
branch,
}
}
/// Clone repository
pub async fn clone(&self) -> Result<()> {
info!("Cloning repository: {}", self.repository_url.0);
// 模拟克隆操作
Ok(())
}
/// Pull latest changes
pub async fn pull(&self) -> Result<CommitHash> {
info!("Pulling latest changes from branch: {}", self.branch.0);
// 模拟拉取操作
Ok(CommitHash("abc123".to_string())
}
/// Commit changes
pub async fn commit(&self, message: &str, files: &[&str]) -> Result<CommitHash> {
info!("Committing changes: {}", message);
// 模拟提交操作
Ok(CommitHash("def456".to_string())
}
/// Push changes
pub async fn push(&self) -> Result<()> {
info!("Pushing changes to remote");
// 模拟推送操作
Ok(())
}
/// Get current commit hash
pub async fn get_current_commit(&self) -> Result<CommitHash> {
// 模拟获取当前提交
Ok(CommitHash("current".to_string())
}
/// Get repository path
pub fn get_path(&self) -> &str {
&self.local_path
}
}
impl ConfigReconciler {
/// Create a new config reconciler
pub fn new(
git_client: GitClient,
validation_rules: Vec<ValidationRule>,
sync_policies: Vec<SyncPolicy>,
) -> Self {
Self {
git_client,
validation_rules,
sync_policies,
}
}
/// Sync configuration from repository
pub async fn sync_configuration(&self, repo_url: &str) -> Result<SyncResult> {
info!("Starting configuration sync from: {}", repo_url);
// 模拟同步过程
let sync_result: _ = SyncResult {
status: SyncStatus::Syncing,
commit_hash: CommitHash("sync123".to_string()),
timestamp: SystemTime::now(),
message: "Syncing configuration".to_string(),
};
info!("Configuration sync completed successfully");
Ok(sync_result)
}
/// Validate configuration change
pub async fn validate_change(&self, change: &ConfigChange) -> Result<ValidationResult> {
debug!("Validating configuration change: {}", change.message);
let mut errors = Vec::new();
let mut warnings = Vec::new();
// 应用验证规则
for rule in &self.validation_rules {
if !rule.enabled {
continue;
}
match rule.severity {
RuleSeverity::Error => {
errors.push(format!("Rule '{}' failed: {}", rule.name, rule.description));
}
RuleSeverity::Warning => {
warnings.push(format!("Rule '{}' warning: {}", rule.name, rule.description));
}
RuleSeverity::Info => {
debug!("Rule '{}' info: {}", rule.name, rule.description);
}
}
}
// 检查必需文件
if change.files.is_empty() {
errors.push("No files changed".to_string());
}
// 检查环境特定规则
self.validate_environment_rules(change, &mut errors, &mut warnings)?;
let valid: _ = errors.is_empty();
let result: _ = ValidationResult {
valid,
errors,
warnings,
timestamp: SystemTime::now(),
};
if valid {
info!("Configuration change validated successfully");
} else {
warn!("Configuration change validation failed with {} errors", result.errors.len());
}
Ok(result)
}
/// Validate environment-specific rules
fn validate_environment_rules(
&self,
change: &ConfigChange,
errors: &mut Vec<String>,
warnings: &mut Vec<String>,
) -> Result<()> {
match change.target_environment {
Environment::Production => {
// 生产环境有更严格的规则
if change.change_type == ChangeType::Delete {
errors.push("Production environment does not allow deletions".to_string());
}
if change.message.len() < 10 {
errors.push("Production changes require detailed commit messages".to_string());
}
}
Environment::Staging => {
// Staging 环境规则
if change.change_type == ChangeType::Delete {
warnings.push("Deleting files in staging environment".to_string());
}
}
Environment::Development => {
// Development 环境规则较宽松
debug!("Development environment validation passed");
}
}
Ok(())
}
/// Apply configuration changes
pub async fn apply_changes(&self, change: &ConfigChange) -> Result<()> {
info!("Applying configuration changes for environment: {:?}", change.target_environment);
// 模拟应用变更
match change.change_type {
ChangeType::Create => info!("Creating new configuration files"),
ChangeType::Update => info!("Updating existing configuration files"),
ChangeType::Delete => info!("Deleting configuration files"),
ChangeType::Rename => info!("Renaming configuration files"),
}
Ok(())
}
/// Rollback configuration changes
pub async fn rollback_changes(&self, change_id: Uuid) -> Result<()> {
warn!("Rolling back configuration changes: {}", change_id);
// 模拟回滚操作
Ok(())
}
/// Get sync policy for environment
pub fn get_sync_policy(&self, environment: &Environment) -> Option<&SyncPolicy> {
self.sync_policies
.iter()
.find(|policy| &policy.environment == environment)
}
}
impl GitOpsEngine {
/// Create a new GitOps engine
pub fn new(git_client: GitClient, reconciler: ConfigReconciler) -> Self {
Self {
git_client: Arc::new(Mutex::new(git_client)))
reconciler: Arc::new(Mutex::new(reconciler)))
sync_history: BTreeMap::new(),
pending_changes: BTreeMap::new(),
}
}
/// Sync configuration from Git repository
pub async fn sync_configuration(&self, repo_url: &str) -> Result<SyncResult> {
let result: _ = self.reconciler.sync_configuration(repo_url).await?;
let sync_id: _ = Uuid::new_v4();
self.sync_history.insert(sync_id, result.clone());
Ok(result)
}
/// Create a new configuration change
pub fn create_change(
&mut self,
author: &str,
message: &str,
files: Vec<String>,
change_type: ChangeType,
target_environment: Environment,
) -> Result<Uuid> {
let change_id: _ = Uuid::new_v4();
let change: _ = ConfigChange {
id: change_id,
timestamp: SystemTime::now(),
author: author.to_string(),
message: message.to_string(),
files,
change_type,
target_environment,
};
self.pending_changes.insert(change_id, change);
info!("Created configuration change: {}", change_id);
Ok(change_id)
}
/// Validate configuration change
pub async fn validate_change(&self, change_id: Uuid) -> Result<ValidationResult> {
let change: _ = self
.pending_changes
.get(&change_id)
.context("Configuration change not found")?;
self.reconciler.validate_change(change).await
}
/// Apply configuration change
pub async fn apply_change(&mut self, change_id: Uuid) -> Result<()> {
let change: _ = self
.pending_changes
.get(&change_id)
.context("Configuration change not found")?;
// 验证变更
let validation: _ = self.reconciler.validate_change(change).await?;
if !validation.valid {
return Err(anyhow::anyhow!(
"Configuration change validation failed: {:?}",
validation.errors
));
}
// 检查是否需要批准
let policy: _ = self
.reconciler
.get_sync_policy(&change.target_environment);
if let Some(policy) = policy {
if policy.require_approval {
warn!("Configuration change requires manual approval");
return Err(anyhow::anyhow!("Manual approval required"));
}
}
// 应用变更
self.reconciler.apply_changes(change).await?;
// 从待处理列表中移除
self.pending_changes.remove(&change_id);
info!("Applied configuration change: {}", change_id);
Ok(())
}
/// Rollback configuration change
pub async fn rollback_change(&mut self, change_id: Uuid) -> Result<()> {
self.reconciler.rollback_changes(change_id).await?;
// 从待处理列表中移除
self.pending_changes.remove(&change_id);
info!("Rolled back configuration change: {}", change_id);
Ok(())
}
/// Get sync history
pub fn get_sync_history(&self) -> Vec<(Uuid, SyncResult)> {
self.sync_history
.iter()
.map(|(id, result)| (*id, result.clone())
.collect()
}
/// Get pending changes
pub fn get_pending_changes(&self) -> Vec<(Uuid, ConfigChange)> {
self.pending_changes
.iter()
.map(|(id, change)| (*id, change.clone())
.collect()
}
/// Get configuration change by ID
pub fn get_change(&self, change_id: Uuid) -> Option<&ConfigChange> {
self.pending_changes.get(&change_id)
}
/// Get Git client
pub fn get_git_client(&self) -> &GitClient {
&self.git_client
}
/// Get config reconciler
pub fn get_reconciler(&self) -> &ConfigReconciler {
&self.reconciler
}
}
/// Default validation rules
pub fn default_validation_rules() -> Vec<ValidationRule> {
vec![
ValidationRule {
name: "required_files".to_string(),
description: "Check for required configuration files".to_string(),
severity: RuleSeverity::Error,
enabled: true,
},
ValidationRule {
name: "syntax_check".to_string(),
description: "Validate YAML/JSON syntax".to_string(),
severity: RuleSeverity::Error,
enabled: true,
},
ValidationRule {
name: "environment_match".to_string(),
description: "Ensure environment-specific configs are correct".to_string(),
severity: RuleSeverity::Warning,
enabled: true,
},
ValidationRule {
name: "resource_limits".to_string(),
description: "Check resource limits are within bounds".to_string(),
severity: RuleSeverity::Warning,
enabled: true,
},
]
}
/// Default sync policies
pub fn default_sync_policies() -> Vec<SyncPolicy> {
vec![
SyncPolicy {
name: "development_policy".to_string(),
environment: Environment::Development,
auto_sync: true,
require_approval: false,
allowed_branches: vec![BranchName("develop".to_string()), BranchName("feature".to_string())],
},
SyncPolicy {
name: "staging_policy".to_string(),
environment: Environment::Staging,
auto_sync: false,
require_approval: true,
allowed_branches: vec![BranchName("staging".to_string())],
},
SyncPolicy {
name: "production_policy".to_string(),
environment: Environment::Production,
auto_sync: false,
require_approval: true,
allowed_branches: vec![BranchName("main".to_string()), BranchName("release".to_string())],
},
]
}
#[cfg(test)]
mod tests {
#[tokio::test]
async fn test_git_client_creation() {
let client: _ = GitClient::new(
RepositoryUrl("https://github.com/example/repo.git".to_string()),
"/tmp/repo",
BranchName("main".to_string()),
);
assert_eq!(client.get_path(), "/tmp/repo");
}
#[tokio::test]
async fn test_gitops_engine_sync() {
let git_client: _ = GitClient::new(
RepositoryUrl("https://github.com/example/repo.git".to_string()),
"/tmp/repo",
BranchName("main".to_string()),
);
let reconciler: _ = ConfigReconciler::new(
git_client.clone(),
default_validation_rules(),
default_sync_policies(),
);
let engine: _ = GitOpsEngine::new(git_client, reconciler);
let result: _ = engine.sync_configuration("https://github.com/example/repo.git").await.unwrap();
assert!(matches!(result.status, SyncStatus::Success));
}
#[tokio::test]
async fn test_validate_change() {
let git_client: _ = GitClient::new(
RepositoryUrl("https://github.com/example/repo.git".to_string()),
"/tmp/repo",
BranchName("main".to_string()),
);
let reconciler: _ = ConfigReconciler::new(
git_client.clone(),
default_validation_rules(),
default_sync_policies(),
);
let change: _ = ConfigChange {
id: Uuid::new_v4(),
timestamp: SystemTime::now(),
author: "test-user".to_string(),
message: "Test configuration change".to_string(),
files: vec!["config.yaml".to_string()],
change_type: ChangeType::Update,
target_environment: Environment::Development,
};
let result: _ = reconciler.validate_change(&change).await.unwrap();
assert!(result.valid);
}
#[test]
fn test_create_change() {
let git_client: _ = GitClient::new(
RepositoryUrl("https://github.com/example/repo.git".to_string()),
"/tmp/repo",
BranchName("main".to_string()),
);
let reconciler: _ = ConfigReconciler::new(
git_client.clone(),
default_validation_rules(),
default_sync_policies(),
);
let mut engine = GitOpsEngine::new(git_client, reconciler);
let change_id: _ = engine
.create_change(
"test-user",
"Test change",
vec!["config.yaml".to_string()],
ChangeType::Update,
Environment::Development,
)
.unwrap();
assert!(engine.get_change(change_id).is_some());
assert_eq!(engine.get_pending_changes().len(), 1);
}
}