Scert/backend/internal/repository/server_repository.go

274 lines
11 KiB
Go

package repository
import (
"context"
"database/sql"
"encoding/json"
"errors"
"fmt"
"strings"
"time"
"git.pcux.cn/xuans/Scert/backend/internal/deployment"
)
type ServerRepository interface {
CreateServer(ctx context.Context, server deployment.Server) error
UpdateServer(ctx context.Context, server deployment.Server) error
GetServerByID(ctx context.Context, id string) (deployment.Server, error)
ListServers(ctx context.Context) ([]deployment.Server, error)
DeleteServer(ctx context.Context, id string) error
IsPrivateKeyRefUsed(ctx context.Context, reference string) (bool, error)
ListServersByDomainID(ctx context.Context, domainID string) ([]deployment.Server, error)
ReplaceDomainServers(ctx context.Context, domainID string, serverIDs []string) error
}
type SQLServerRepository struct {
db *sql.DB
driver string
}
func NewSQLServerRepository(db *sql.DB, driver ...string) *SQLServerRepository {
return &SQLServerRepository{db: db, driver: repositoryDriver(driver)}
}
func (r *SQLServerRepository) query(value string) string {
return Rebind(r.driver, value)
}
func (r *SQLServerRepository) CreateServer(ctx context.Context, server deployment.Server) error {
server = server.Normalize()
if err := validateServer(server); err != nil {
return err
}
command, err := json.Marshal(server.ReloadCommand)
if err != nil {
return fmt.Errorf("编码 reload 命令失败:%w", err)
}
validationCommand, err := json.Marshal(server.ValidationCommand)
if err != nil {
return fmt.Errorf("编码配置校验命令失败:%w", err)
}
createdAt := server.CreatedAt
if createdAt.IsZero() {
createdAt = time.Now().UTC()
}
updatedAt := server.UpdatedAt
if updatedAt.IsZero() {
updatedAt = createdAt
}
_, err = r.db.ExecContext(ctx, r.query(`INSERT INTO servers
(id, name, address, port, username, auth_method, private_key_ref, password_ref, host_key_fingerprint, ssh_key_status, ssh_key_fingerprint, ssh_key_deployed_at, ssh_key_tested_at, ssh_key_error, certificate_path, private_key_path, certificate_chain_path, web_server, validation_command_json, reload_command_json, created_at, updated_at)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`), server.ID, server.Name, server.Address, server.Port, server.Username, server.AuthMethod, server.PrivateKeyRef, server.PasswordRef,
server.HostKeyFingerprint, server.SSHKeyStatus, server.SSHKeyFingerprint, server.SSHKeyDeployedAt, server.SSHKeyTestedAt, server.SSHKeyError, server.CertificatePath, server.PrivateKeyPath, server.CertificateChainPath, server.WebServer, string(validationCommand), string(command), createdAt, updatedAt)
if err != nil {
return fmt.Errorf("保存服务器失败:%w", err)
}
return nil
}
func (r *SQLServerRepository) UpdateServer(ctx context.Context, server deployment.Server) error {
server = server.Normalize()
if err := validateServer(server); err != nil {
return err
}
command, err := json.Marshal(server.ReloadCommand)
if err != nil {
return fmt.Errorf("编码 reload 命令失败:%w", err)
}
validationCommand, err := json.Marshal(server.ValidationCommand)
if err != nil {
return fmt.Errorf("编码配置校验命令失败:%w", err)
}
updatedAt := server.UpdatedAt
if updatedAt.IsZero() {
updatedAt = time.Now().UTC()
}
result, err := r.db.ExecContext(ctx, r.query(`UPDATE servers SET name = ?, address = ?, port = ?, username = ?, auth_method = ?, private_key_ref = ?, password_ref = ?, host_key_fingerprint = ?, ssh_key_status = ?, ssh_key_fingerprint = ?, ssh_key_deployed_at = ?, ssh_key_tested_at = ?, ssh_key_error = ?, certificate_path = ?, private_key_path = ?, certificate_chain_path = ?, web_server = ?, validation_command_json = ?, reload_command_json = ?, updated_at = ? WHERE id = ?`),
server.Name, server.Address, server.Port, server.Username, server.AuthMethod, server.PrivateKeyRef, server.PasswordRef, server.HostKeyFingerprint, server.SSHKeyStatus, server.SSHKeyFingerprint, server.SSHKeyDeployedAt, server.SSHKeyTestedAt, server.SSHKeyError, server.CertificatePath, server.PrivateKeyPath, server.CertificateChainPath, server.WebServer, string(validationCommand), string(command), updatedAt, server.ID)
if err != nil {
return fmt.Errorf("更新服务器失败:%w", err)
}
count, err := result.RowsAffected()
if err != nil {
return fmt.Errorf("读取服务器更新结果失败:%w", err)
}
if count == 0 {
return sql.ErrNoRows
}
return nil
}
func (r *SQLServerRepository) GetServerByID(ctx context.Context, id string) (deployment.Server, error) {
row := r.db.QueryRowContext(ctx, r.query(serverSelect+` WHERE id = ?`), strings.TrimSpace(id))
return scanServer(row)
}
func (r *SQLServerRepository) ListServers(ctx context.Context) ([]deployment.Server, error) {
rows, err := r.db.QueryContext(ctx, r.query(serverSelect+` ORDER BY name, id`))
if err != nil {
return nil, fmt.Errorf("查询服务器失败:%w", err)
}
defer rows.Close()
result := make([]deployment.Server, 0)
for rows.Next() {
server, err := scanServer(rows)
if err != nil {
return nil, err
}
result = append(result, server)
}
if err := rows.Err(); err != nil {
return nil, fmt.Errorf("读取服务器失败:%w", err)
}
return result, nil
}
func (r *SQLServerRepository) DeleteServer(ctx context.Context, id string) error {
id = strings.TrimSpace(id)
if id == "" {
return errors.New("服务器 ID 不能为空")
}
tx, err := r.db.BeginTx(ctx, nil)
if err != nil {
return fmt.Errorf("开始删除服务器失败:%w", err)
}
rollback := func(cause error) error {
_ = tx.Rollback()
return cause
}
if _, err := tx.ExecContext(ctx, r.query("DELETE FROM domain_servers WHERE server_id = ?"), id); err != nil {
return rollback(fmt.Errorf("删除服务器关联失败:%w", err))
}
result, err := tx.ExecContext(ctx, r.query("DELETE FROM servers WHERE id = ?"), id)
if err != nil {
return rollback(fmt.Errorf("删除服务器失败:%w", err))
}
count, err := result.RowsAffected()
if err != nil {
return rollback(fmt.Errorf("读取服务器删除结果失败:%w", err))
}
if count == 0 {
return rollback(sql.ErrNoRows)
}
if err := tx.Commit(); err != nil {
return fmt.Errorf("提交服务器删除失败:%w", err)
}
return nil
}
func (r *SQLServerRepository) IsPrivateKeyRefUsed(ctx context.Context, reference string) (bool, error) {
reference = strings.TrimSpace(reference)
if reference == "" {
return false, errors.New("SSH 私钥引用不能为空")
}
var count int
if err := r.db.QueryRowContext(ctx, r.query("SELECT COUNT(*) FROM servers WHERE private_key_ref = ?"), reference).Scan(&count); err != nil {
return false, fmt.Errorf("检查 SSH 私钥引用占用状态失败:%w", err)
}
return count > 0, nil
}
func (r *SQLServerRepository) ListServersByDomainID(ctx context.Context, domainID string) ([]deployment.Server, error) {
rows, err := r.db.QueryContext(ctx, r.query(serverSelectQualified+` INNER JOIN domain_servers ds ON ds.server_id = servers.id WHERE ds.domain_id = ? ORDER BY servers.name, servers.id`), strings.TrimSpace(domainID))
if err != nil {
return nil, fmt.Errorf("查询域名部署服务器失败:%w", err)
}
defer rows.Close()
result := make([]deployment.Server, 0)
for rows.Next() {
server, err := scanServer(rows)
if err != nil {
return nil, err
}
result = append(result, server)
}
if err := rows.Err(); err != nil {
return nil, fmt.Errorf("读取域名部署服务器失败:%w", err)
}
return result, nil
}
func (r *SQLServerRepository) ReplaceDomainServers(ctx context.Context, domainID string, serverIDs []string) error {
if strings.TrimSpace(domainID) == "" {
return errors.New("域名 ID 不能为空")
}
cleaned := make([]string, 0, len(serverIDs))
seen := make(map[string]struct{}, len(serverIDs))
for _, id := range serverIDs {
id = strings.TrimSpace(id)
if id == "" {
return errors.New("服务器 ID 不能为空")
}
if _, ok := seen[id]; ok {
continue
}
seen[id] = struct{}{}
cleaned = append(cleaned, id)
}
tx, err := r.db.BeginTx(ctx, nil)
if err != nil {
return fmt.Errorf("开始更新域名服务器关联失败:%w", err)
}
rollback := func(cause error) error {
_ = tx.Rollback()
return cause
}
if _, err := tx.ExecContext(ctx, r.query("DELETE FROM domain_servers WHERE domain_id = ?"), domainID); err != nil {
return rollback(fmt.Errorf("清理域名服务器关联失败:%w", err))
}
for _, serverID := range cleaned {
var exists int
if err := tx.QueryRowContext(ctx, r.query("SELECT COUNT(*) FROM servers WHERE id = ?"), serverID).Scan(&exists); err != nil {
return rollback(fmt.Errorf("校验部署服务器失败:%w", err))
}
if exists == 0 {
return rollback(fmt.Errorf("部署服务器不存在:%s", serverID))
}
if _, err := tx.ExecContext(ctx, r.query("INSERT INTO domain_servers (domain_id, server_id) VALUES (?, ?)"), domainID, serverID); err != nil {
return rollback(fmt.Errorf("保存域名服务器关联失败:%w", err))
}
}
if err := tx.Commit(); err != nil {
return fmt.Errorf("提交域名服务器关联失败:%w", err)
}
return nil
}
const serverSelect = `SELECT id, name, address, port, username, auth_method, private_key_ref, password_ref, host_key_fingerprint, ssh_key_status, ssh_key_fingerprint, ssh_key_deployed_at, ssh_key_tested_at, ssh_key_error, certificate_path, private_key_path, certificate_chain_path, web_server, validation_command_json, reload_command_json, created_at, updated_at FROM servers`
const serverSelectQualified = `SELECT servers.id, servers.name, servers.address, servers.port, servers.username, servers.auth_method, servers.private_key_ref, servers.password_ref, servers.host_key_fingerprint, servers.ssh_key_status, servers.ssh_key_fingerprint, servers.ssh_key_deployed_at, servers.ssh_key_tested_at, servers.ssh_key_error, servers.certificate_path, servers.private_key_path, servers.certificate_chain_path, servers.web_server, servers.validation_command_json, servers.reload_command_json, servers.created_at, servers.updated_at FROM servers`
type rowScanner interface {
Scan(dest ...any) error
}
func scanServer(row rowScanner) (deployment.Server, error) {
var server deployment.Server
var webServer string
var authMethod string
var validationCommandJSON string
var commandJSON string
if err := row.Scan(&server.ID, &server.Name, &server.Address, &server.Port, &server.Username, &authMethod, &server.PrivateKeyRef, &server.PasswordRef, &server.HostKeyFingerprint, &server.SSHKeyStatus, &server.SSHKeyFingerprint, &server.SSHKeyDeployedAt, &server.SSHKeyTestedAt, &server.SSHKeyError, &server.CertificatePath, &server.PrivateKeyPath, &server.CertificateChainPath, &webServer, &validationCommandJSON, &commandJSON, &server.CreatedAt, &server.UpdatedAt); err != nil {
if errors.Is(err, sql.ErrNoRows) {
return deployment.Server{}, sql.ErrNoRows
}
return deployment.Server{}, fmt.Errorf("读取服务器失败:%w", err)
}
server.AuthMethod = deployment.SSHAuthMethod(authMethod)
server.WebServer = deployment.WebServer(webServer)
if err := json.Unmarshal([]byte(validationCommandJSON), &server.ValidationCommand); err != nil {
return deployment.Server{}, fmt.Errorf("解析配置校验命令失败:%w", err)
}
if err := json.Unmarshal([]byte(commandJSON), &server.ReloadCommand); err != nil {
return deployment.Server{}, fmt.Errorf("解析 reload 命令失败:%w", err)
}
return server.Normalize(), nil
}
func validateServer(server deployment.Server) error {
if err := server.Validate(); err != nil {
return err
}
return nil
}