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rollback previous changes and fix migration for running on all shards
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| goredis "github.com/go-redis/redis/v8" | ||
| "github.com/moira-alert/moira" | ||
| "github.com/moira-alert/moira/database/redis" | ||
| "github.com/moira-alert/moira/senders/telegram" | ||
| ) | ||
|
|
||
| var ( | ||
| telegramUsersKey = "moira-telegram-users:" | ||
| telegramLockPrefix = "moira-telegram-users:moira-bot-host:" | ||
| ) | ||
|
|
||
| // callFunc calls the fn dependent of Redis client type (cluster or standalone). | ||
| func callFunc(connector *redis.DbConnector, fn func(connector *redis.DbConnector, client goredis.UniversalClient) error) error { | ||
| client := connector.Client() | ||
| ctx := connector.Context() | ||
|
|
||
| switch c := client.(type) { | ||
| case *goredis.ClusterClient: | ||
| return c.ForEachMaster(ctx, func(ctx context.Context, shard *goredis.Client) error { | ||
| return fn(connector, shard) | ||
| }) | ||
| default: | ||
| return fn(connector, client) | ||
| } | ||
| } | ||
|
|
||
| func updateTelegramUsersRecords(logger moira.Logger, database moira.Database) error { | ||
| logger.Info().Msg("Start updateTelegramUsersRecords") | ||
|
|
||
| switch d := database.(type) { | ||
| case *redis.DbConnector: | ||
| if err := callFunc(d, func(connector *redis.DbConnector, client goredis.UniversalClient) error { | ||
| return updateTelegramUsersRecordsOnRedisNode(connector, client, logger) | ||
| }); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| default: | ||
| return makeUnknownDBError(database) | ||
| } | ||
|
|
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| logger.Info().Msg("Successfully finished updateTelegramUsersRecords") | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func updateTelegramUsersRecordsOnRedisNode(connector *redis.DbConnector, client goredis.UniversalClient, logger moira.Logger) error { | ||
| ctx := connector.Context() | ||
| iter := client.Scan(ctx, 0, telegramUsersKey+"*", 0).Iterator() | ||
| pipe := client.TxPipeline() | ||
|
|
||
| for iter.Next(ctx) { | ||
| key := iter.Val() | ||
| if strings.HasPrefix(key, telegramLockPrefix) { | ||
| continue | ||
| } | ||
|
|
||
| oldValue, err := client.Get(ctx, key).Result() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| chatID, err := strconv.ParseInt(oldValue, 10, 64) | ||
| if err != nil { | ||
| logger.Error(). | ||
| String("old_value", oldValue). | ||
| Error(err). | ||
| Msg("failed to parse chatID as int") | ||
|
|
||
| continue | ||
| } | ||
|
|
||
| var chat *telegram.Chat | ||
| if chatID < 0 { | ||
| chat = &telegram.Chat{ | ||
| Type: "group", | ||
| ID: chatID, | ||
| } | ||
| } else { | ||
| chat = &telegram.Chat{ | ||
| Type: "private", | ||
| ID: chatID, | ||
| } | ||
| } | ||
|
|
||
| chatRaw, err := json.Marshal(chat) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| pipe.Set(ctx, key, string(chatRaw), goredis.KeepTTL) | ||
| } | ||
|
|
||
| if _, err := pipe.Exec(ctx); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func downgradeTelegramUsersRecords(logger moira.Logger, database moira.Database) error { | ||
| logger.Info().Msg("Start downgradeTelegramUsersRecords") | ||
|
|
||
| switch d := database.(type) { | ||
| case *redis.DbConnector: | ||
| if err := callFunc(d, func(connector *redis.DbConnector, client goredis.UniversalClient) error { | ||
| return downgradeTelegramUsersRecordsOnRedisNode(connector, client, logger) | ||
| }); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| default: | ||
| return makeUnknownDBError(database) | ||
| } | ||
|
|
||
| logger.Info().Msg("Successfully finished downgradeTelegramUsersRecords") | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func downgradeTelegramUsersRecordsOnRedisNode(connector *redis.DbConnector, client goredis.UniversalClient, logger moira.Logger) error { | ||
| ctx := connector.Context() | ||
| iter := client.Scan(ctx, 0, telegramUsersKey+"*", 0).Iterator() | ||
| pipe := client.TxPipeline() | ||
|
|
||
| for iter.Next(ctx) { | ||
| key := iter.Val() | ||
| if strings.HasPrefix(key, telegramLockPrefix) { | ||
| continue | ||
| } | ||
|
|
||
| oldValue, err := client.Get(ctx, key).Result() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| chat := &telegram.Chat{} | ||
| if err = json.Unmarshal([]byte(oldValue), chat); err != nil { | ||
| logger.Error(). | ||
| String("old_value", oldValue). | ||
| Error(err). | ||
| Msg("failed to unmarshal old value chat json") | ||
|
|
||
| continue | ||
| } | ||
|
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| var newValue string | ||
| if chat.ID == 0 { | ||
| logger.Error(). | ||
| Msg("chat ID is null") | ||
|
|
||
| continue | ||
| } else { | ||
| newValue = strconv.FormatInt(chat.ID, 10) | ||
| } | ||
|
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| pipe.Set(ctx, key, newValue, goredis.KeepTTL) | ||
| } | ||
|
|
||
| if _, err := pipe.Exec(ctx); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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