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junhong_cmp_fiber/internal/infrastructure/releasegate/checker.go
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实现七月迭代公共技术基础
2026-07-23 17:52:48 +09:00

325 lines
12 KiB
Go

// Package releasegate 提供公共基础数据库对象的发布检查门禁。
package releasegate
import (
"context"
stderrors "errors"
"sort"
"strings"
"github.com/google/uuid"
"gorm.io/gorm"
)
const (
// PhasePre 表示迁移或发布前检查。
PhasePre = "pre"
// PhasePost 表示迁移后的定义与冒烟检查。
PhasePost = "post"
)
// Severity 表示门禁检查结果级别。
type Severity string
const (
// SeverityInfo 表示安全的计数或对象标识。
SeverityInfo Severity = "info"
// SeverityBlock 表示必须阻断发布的问题。
SeverityBlock Severity = "block"
)
// Finding 是不包含业务敏感值的门禁检查结果。
type Finding struct {
Code string `json:"code"`
Severity Severity `json:"severity"`
Object string `json:"object"`
Count int64 `json:"count"`
Summary string `json:"summary"`
}
// Report 是可重复执行的公共基础门禁报告。
type Report struct {
Phase string `json:"phase"`
Findings []Finding `json:"findings"`
}
// Passed 判断报告是否允许继续发布。
func (r Report) Passed() bool {
for _, finding := range r.Findings {
if finding.Severity == SeverityBlock {
return false
}
}
return true
}
// Checker 使用 PostgreSQL 事实检查公共对象定义与异常数据。
type Checker struct {
db *gorm.DB
schema string
}
// NewChecker 创建公共发布门禁检查器。
func NewChecker(db *gorm.DB) *Checker {
return &Checker{db: db, schema: "public"}
}
// NewCheckerWithSchema 创建隔离 schema 的迁移验收检查器。
func NewCheckerWithSchema(db *gorm.DB, schema string) *Checker {
if strings.TrimSpace(schema) == "" {
schema = "public"
}
return &Checker{db: db, schema: schema}
}
type tableContract struct {
name string
columns map[string]string
}
var publicContracts = []tableContract{
{name: "tb_outbox_event", columns: map[string]string{
"event_id": "character varying", "event_type": "character varying", "payload": "jsonb",
"status": "integer", "retry_count": "integer", "next_attempt_at": "timestamp with time zone",
"lease_owner": "character varying", "lease_expires_at": "timestamp with time zone",
}},
{name: "tb_system_config", columns: map[string]string{
"config_key": "character varying", "config_value": "text", "value_type": "character varying",
"module": "character varying", "is_readonly": "boolean", "is_sensitive": "boolean",
}},
}
// Run 执行指定阶段检查;检查只读且可重复运行。
func (c *Checker) Run(ctx context.Context, phase string) (Report, error) {
report := Report{Phase: phase, Findings: make([]Finding, 0)}
if phase != PhasePre && phase != PhasePost {
return report, stderrors.New("公共发布门禁阶段不受支持")
}
version, dirty, err := c.migrationVersion(ctx)
if err != nil {
return report, err
}
minimumVersion := uint(164)
if phase == PhasePost {
minimumVersion = 166
}
if dirty || version < minimumVersion {
report.Findings = append(report.Findings, Finding{
Code: "FOUNDATION_DEPENDENCY_VERSION", Severity: SeverityBlock,
Object: "schema_migrations", Count: int64(version), Summary: "迁移依赖版本未满足或数据库处于脏状态",
})
}
for _, contract := range publicContracts {
exists, err := c.tableExists(ctx, contract.name)
if err != nil {
return report, err
}
if !exists {
severity := SeverityInfo
if phase == PhasePost {
severity = SeverityBlock
}
report.Findings = append(report.Findings, Finding{
Code: "FOUNDATION_OBJECT_MISSING", Severity: severity, Object: contract.name,
Summary: "公共对象尚不存在",
})
continue
}
definitionFindings, err := c.checkColumns(ctx, contract)
if err != nil {
return report, err
}
report.Findings = append(report.Findings, definitionFindings...)
}
if phase == PhasePost {
objectFindings, err := c.checkIndexesAndConstraints(ctx)
if err != nil {
return report, err
}
report.Findings = append(report.Findings, objectFindings...)
if err := c.smokeWrite(ctx); err != nil {
report.Findings = append(report.Findings, Finding{
Code: "FOUNDATION_READ_WRITE_SMOKE_FAILED", Severity: SeverityBlock,
Object: "tech-public-foundation", Count: 1, Summary: "公共对象读写冒烟失败",
})
}
}
anomalyFindings, err := c.checkAnomalies(ctx)
if err != nil {
return report, err
}
report.Findings = append(report.Findings, anomalyFindings...)
sort.Slice(report.Findings, func(i, j int) bool {
if report.Findings[i].Object == report.Findings[j].Object {
return report.Findings[i].Code < report.Findings[j].Code
}
return report.Findings[i].Object < report.Findings[j].Object
})
return report, nil
}
func (c *Checker) migrationVersion(ctx context.Context) (uint, bool, error) {
var result struct {
Version uint `gorm:"column:version"`
Dirty bool `gorm:"column:dirty"`
}
err := c.db.WithContext(ctx).Raw("SELECT version, dirty FROM schema_migrations LIMIT 1").Scan(&result).Error
return result.Version, result.Dirty, err
}
func (c *Checker) tableExists(ctx context.Context, table string) (bool, error) {
var exists bool
err := c.db.WithContext(ctx).Raw("SELECT to_regclass(?) IS NOT NULL", c.schema+"."+table).Scan(&exists).Error
return exists, err
}
func (c *Checker) checkColumns(ctx context.Context, contract tableContract) ([]Finding, error) {
var rows []struct {
Name string `gorm:"column:column_name"`
Type string `gorm:"column:data_type"`
}
err := c.db.WithContext(ctx).Raw(`
SELECT column_name, data_type
FROM information_schema.columns
WHERE table_schema = ? AND table_name = ?`, c.schema, contract.name).Scan(&rows).Error
if err != nil {
return nil, err
}
actual := make(map[string]string, len(rows))
for _, row := range rows {
actual[row.Name] = row.Type
}
findings := make([]Finding, 0)
for column, expectedType := range contract.columns {
actualType, exists := actual[column]
if !exists || !strings.EqualFold(actualType, expectedType) {
findings = append(findings, Finding{
Code: "FOUNDATION_DEFINITION_MISMATCH", Severity: SeverityBlock,
Object: contract.name + "." + column, Count: 1, Summary: "公共对象字段定义不符合契约",
})
}
}
return findings, nil
}
func (c *Checker) checkAnomalies(ctx context.Context) ([]Finding, error) {
checks := []struct {
table string
code string
summary string
query string
}{
{"tb_outbox_event", "OUTBOX_DUPLICATE_EVENT_ID", "存在重复事件 ID", `SELECT COUNT(*) FROM (SELECT event_id FROM tb_outbox_event GROUP BY event_id HAVING COUNT(*) > 1) AS conflicts`},
{"tb_outbox_event", "OUTBOX_INVALID_REQUIRED_FIELD", "存在必填字段空值", `SELECT COUNT(*) FROM tb_outbox_event WHERE event_id IS NULL OR event_type IS NULL OR payload IS NULL`},
{"tb_outbox_event", "OUTBOX_INVALID_STATUS", "存在非法投递状态", `SELECT COUNT(*) FROM tb_outbox_event WHERE status NOT IN (1,2,3,4)`},
{"tb_outbox_event", "OUTBOX_UNDELIVERED", "存在未投递事件", `SELECT COUNT(*) FROM tb_outbox_event WHERE status IN (1,2,4)`},
{"tb_outbox_event", "OUTBOX_EXPIRED_LEASE", "存在过期租约", `SELECT COUNT(*) FROM tb_outbox_event WHERE status = 2 AND lease_expires_at < NOW()`},
{"tb_system_config", "SYSTEM_CONFIG_DUPLICATE_KEY", "存在重复配置 Key", `SELECT COUNT(*) FROM (SELECT config_key FROM tb_system_config GROUP BY config_key HAVING COUNT(*) > 1) AS conflicts`},
{"tb_system_config", "SYSTEM_CONFIG_INVALID_REQUIRED_FIELD", "存在配置必填字段空值", `SELECT COUNT(*) FROM tb_system_config WHERE config_key IS NULL OR config_value IS NULL OR value_type IS NULL OR module IS NULL`},
{"tb_system_config", "SYSTEM_CONFIG_INVALID_TYPE", "存在非法配置类型", `SELECT COUNT(*) FROM tb_system_config WHERE value_type NOT IN ('string','int','bool','json')`},
}
findings := make([]Finding, 0, len(checks))
for _, check := range checks {
exists, err := c.tableExists(ctx, check.table)
if err != nil {
return nil, err
}
if !exists {
continue
}
var count int64
if err := c.db.WithContext(ctx).Raw(check.query).Scan(&count).Error; err != nil {
return nil, err
}
if count > 0 {
findings = append(findings, Finding{
Code: check.code, Severity: SeverityBlock, Object: check.table,
Count: count, Summary: check.summary,
})
}
}
for _, table := range []string{"tb_export_task", "tb_iot_card_import_task", "tb_device_import_task", "tb_order_package_invalidate_task"} {
exists, err := c.tableExists(ctx, table)
if err != nil {
return nil, err
}
if !exists {
continue
}
var count int64
if err := c.db.WithContext(ctx).Table(table).Where("status IN ?", []int{1, 2}).Count(&count).Error; err != nil {
return nil, err
}
if count > 0 {
findings = append(findings, Finding{
Code: "ASYNC_TASK_UNFINISHED", Severity: SeverityBlock, Object: table,
Count: count, Summary: "存在待处理或处理中任务",
})
}
}
return findings, nil
}
func (c *Checker) checkIndexesAndConstraints(ctx context.Context) ([]Finding, error) {
expectedConstraints := map[string][]string{
"tb_outbox_event": {"uq_outbox_event_id", "ck_outbox_event_status", "ck_outbox_event_payload_version", "ck_outbox_event_retry_count"},
"tb_system_config": {"uq_system_config_key", "ck_system_config_value_type"},
}
expectedIndexes := map[string][]string{
"tb_outbox_event": {"idx_outbox_event_claim", "idx_outbox_event_type_status", "idx_outbox_event_aggregate", "idx_outbox_event_resource", "idx_outbox_event_request_id", "idx_outbox_event_correlation_id"},
"tb_system_config": {"idx_system_config_module_key"},
}
findings := make([]Finding, 0)
for table, names := range expectedConstraints {
for _, name := range names {
var count int64
if err := c.db.WithContext(ctx).Raw(`SELECT COUNT(*) FROM information_schema.table_constraints
WHERE table_schema = ? AND table_name = ? AND constraint_name = ?`, c.schema, table, name).Scan(&count).Error; err != nil {
return nil, err
}
if count != 1 {
findings = append(findings, Finding{Code: "FOUNDATION_CONSTRAINT_MISSING", Severity: SeverityBlock, Object: table + "." + name, Count: count, Summary: "公共约束缺失或重复"})
}
}
}
for table, names := range expectedIndexes {
for _, name := range names {
var count int64
if err := c.db.WithContext(ctx).Raw(`SELECT COUNT(*) FROM pg_indexes
WHERE schemaname = ? AND tablename = ? AND indexname = ?`, c.schema, table, name).Scan(&count).Error; err != nil {
return nil, err
}
if count != 1 {
findings = append(findings, Finding{Code: "FOUNDATION_INDEX_MISSING", Severity: SeverityBlock, Object: table + "." + name, Count: count, Summary: "公共索引缺失或重复"})
}
}
}
return findings, nil
}
var errSmokeRollback = stderrors.New("公共对象冒烟回滚")
func (c *Checker) smokeWrite(ctx context.Context) error {
err := c.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
eventID := "smoke-" + uuid.NewString()
if err := tx.Exec(`INSERT INTO tb_outbox_event
(event_id, event_type, payload_version, aggregate_type, aggregate_id, resource_type, resource_id, payload)
VALUES (?, 'foundation.smoke', 1, 'foundation', 'smoke', 'foundation', 'smoke', '{}'::jsonb)`, eventID).Error; err != nil {
return err
}
configKey := "foundation.smoke." + uuid.NewString()
if err := tx.Exec(`INSERT INTO tb_system_config
(config_key, config_value, value_type, module, description)
VALUES (?, 'true', 'bool', 'foundation', '公共对象读写冒烟')`, configKey).Error; err != nil {
return err
}
return errSmokeRollback
})
if stderrors.Is(err, errSmokeRollback) {
return nil
}
return err
}