86 lines
2.5 KiB
Go
86 lines
2.5 KiB
Go
package models
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import (
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"fmt"
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"gorm.io/gorm"
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)
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type schemaMigration struct {
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script string
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checksum string
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}
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var requiredSchema = struct {
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migrations []schemaMigration
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tables []string
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}{
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migrations: []schemaMigration{
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{script: "0001_baseline.up.sql", checksum: "f6632f4927b205caf88bdbcf5f9db755ed4a174caacd4900d1aac12839fb9c5e"},
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{script: "0002_otlp_ingest_key.up.sql", checksum: "85923db07fea3e0dfaa33af0c2a3775b917c1463717c01300e0958602efeec1d"},
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},
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tables: []string{"logs_events", "logs_syslog_rules", "logs_trap_rules", "logs_trace_spans"},
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}
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// RequireSchemaVersion 确认当前数据库已经由受控迁移脚本初始化。
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func RequireSchemaVersion(db *gorm.DB, service string) error {
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if db == nil {
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return fmt.Errorf("%s 数据库连接未初始化", service)
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}
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for _, migration := range requiredSchema.migrations {
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var count int64
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err := db.Raw(`
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SELECT COUNT(*)
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FROM public.ops_schema_migrations
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WHERE service = ? AND script_name = ? AND checksum = ? AND status = 'success'`,
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service, migration.script, migration.checksum).Scan(&count).Error
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if err != nil {
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return fmt.Errorf("%s 数据库版本检查失败，请先执行 migrate-all.sh up --service %s: %w", service, service, err)
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}
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if count != 1 {
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return fmt.Errorf("%s 数据库迁移版本不匹配：%s，请执行 migrate-all.sh status --service %s", service, migration.script, service)
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}
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}
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var err error
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for _, table := range requiredSchema.tables {
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var valid bool
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err = db.Raw(`
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SELECT to_regclass(?) IS NOT NULL AND EXISTS (
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SELECT 1
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FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE n.nspname = 'public' AND t.relname = ? AND c.contype = 'p'
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)`, "public."+table, table).Scan(&valid).Error
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if err != nil || !valid {
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return fmt.Errorf("%s 数据库关键表结构不完整：%s", service, table)
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}
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}
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var ingestKeyValid bool
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err = db.Raw(`
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SELECT EXISTS (
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SELECT 1
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FROM information_schema.columns
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WHERE table_schema = 'public'
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AND table_name = 'logs_events'
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AND column_name = 'ingest_key'
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AND data_type = 'character varying'
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AND character_maximum_length = 160
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AND is_nullable = 'YES'
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) AND EXISTS (
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SELECT 1
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FROM pg_indexes
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WHERE schemaname = 'public'
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AND tablename = 'logs_events'
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AND indexname = 'idx_logs_events_ingest_key'
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AND indexdef LIKE 'CREATE UNIQUE INDEX %'
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)`).Scan(&ingestKeyValid).Error
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if err != nil || !ingestKeyValid {
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return fmt.Errorf("%s 数据库关键字段或索引不完整：logs_events.ingest_key", service)
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}
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return nil
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}
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