mirror of
https://codeberg.org/forgejo/forgejo
synced 2024-08-20 14:41:16 +02:00
Result of running `perl -p -i -e 's#interface\{\}#any#g' **/*` and `make fmt`.
Basically the same [as golang did](2580d0e08d
).
259 lines
6.8 KiB
Go
259 lines
6.8 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package nosql
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import (
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"crypto/tls"
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"net/url"
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"path"
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"runtime/pprof"
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"strconv"
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"strings"
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"code.gitea.io/gitea/modules/log"
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"github.com/redis/go-redis/v9"
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)
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var replacer = strings.NewReplacer("_", "", "-", "")
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// CloseRedisClient closes a redis client
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func (m *Manager) CloseRedisClient(connection string) error {
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m.mutex.Lock()
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defer m.mutex.Unlock()
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client, ok := m.RedisConnections[connection]
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if !ok {
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connection = ToRedisURI(connection).String()
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client, ok = m.RedisConnections[connection]
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}
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if !ok {
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return nil
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}
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client.count--
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if client.count > 0 {
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return nil
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}
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for _, name := range client.name {
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delete(m.RedisConnections, name)
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}
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return client.UniversalClient.Close()
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}
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// GetRedisClient gets a redis client for a particular connection
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func (m *Manager) GetRedisClient(connection string) (client redis.UniversalClient) {
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// Because we want associate any goroutines created by this call to the main nosqldb context we need to
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// wrap this in a goroutine labelled with the nosqldb context
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done := make(chan struct{})
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var recovered any
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go func() {
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defer func() {
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recovered = recover()
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if recovered != nil {
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log.Critical("PANIC during GetRedisClient: %v\nStacktrace: %s", recovered, log.Stack(2))
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}
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close(done)
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}()
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pprof.SetGoroutineLabels(m.ctx)
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client = m.getRedisClient(connection)
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}()
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<-done
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if recovered != nil {
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panic(recovered)
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}
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return client
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}
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func (m *Manager) getRedisClient(connection string) redis.UniversalClient {
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m.mutex.Lock()
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defer m.mutex.Unlock()
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client, ok := m.RedisConnections[connection]
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if ok {
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client.count++
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return client
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}
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uri := ToRedisURI(connection)
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client, ok = m.RedisConnections[uri.String()]
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if ok {
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client.count++
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return client
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}
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client = &redisClientHolder{
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name: []string{connection, uri.String()},
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}
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opts := getRedisOptions(uri)
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tlsConfig := getRedisTLSOptions(uri)
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clientName := uri.Query().Get("clientname")
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if len(clientName) > 0 {
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client.name = append(client.name, clientName)
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}
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switch uri.Scheme {
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case "redis+sentinels":
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fallthrough
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case "rediss+sentinel":
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opts.TLSConfig = tlsConfig
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fallthrough
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case "redis+sentinel":
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client.UniversalClient = redis.NewFailoverClient(opts.Failover())
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case "redis+clusters":
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fallthrough
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case "rediss+cluster":
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opts.TLSConfig = tlsConfig
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fallthrough
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case "redis+cluster":
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client.UniversalClient = redis.NewClusterClient(opts.Cluster())
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case "redis+socket":
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simpleOpts := opts.Simple()
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simpleOpts.Network = "unix"
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simpleOpts.Addr = path.Join(uri.Host, uri.Path)
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client.UniversalClient = redis.NewClient(simpleOpts)
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case "rediss":
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opts.TLSConfig = tlsConfig
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fallthrough
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case "redis":
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client.UniversalClient = redis.NewClient(opts.Simple())
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default:
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return nil
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}
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for _, name := range client.name {
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m.RedisConnections[name] = client
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}
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client.count++
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return client
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}
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// getRedisOptions pulls various configuration options based on the RedisUri format and converts them to go-redis's
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// UniversalOptions fields. This function explicitly excludes fields related to TLS configuration, which is
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// conditionally attached to this options struct before being converted to the specific type for the redis scheme being
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// used, and only in scenarios where TLS is applicable (e.g. rediss://, redis+clusters://).
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func getRedisOptions(uri *url.URL) *redis.UniversalOptions {
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opts := &redis.UniversalOptions{}
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// Handle username/password
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if password, ok := uri.User.Password(); ok {
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opts.Password = password
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// Username does not appear to be handled by redis.Options
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opts.Username = uri.User.Username()
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} else if uri.User.Username() != "" {
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// assume this is the password
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opts.Password = uri.User.Username()
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}
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// Now handle the uri query sets
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for k, v := range uri.Query() {
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switch replacer.Replace(strings.ToLower(k)) {
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case "addr":
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opts.Addrs = append(opts.Addrs, v...)
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case "addrs":
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opts.Addrs = append(opts.Addrs, strings.Split(v[0], ",")...)
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case "username":
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opts.Username = v[0]
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case "password":
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opts.Password = v[0]
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case "database":
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fallthrough
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case "db":
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opts.DB, _ = strconv.Atoi(v[0])
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case "maxretries":
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opts.MaxRetries, _ = strconv.Atoi(v[0])
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case "minretrybackoff":
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opts.MinRetryBackoff = valToTimeDuration(v)
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case "maxretrybackoff":
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opts.MaxRetryBackoff = valToTimeDuration(v)
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case "timeout":
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timeout := valToTimeDuration(v)
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if timeout != 0 {
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if opts.DialTimeout == 0 {
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opts.DialTimeout = timeout
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}
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if opts.ReadTimeout == 0 {
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opts.ReadTimeout = timeout
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}
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}
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case "dialtimeout":
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opts.DialTimeout = valToTimeDuration(v)
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case "readtimeout":
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opts.ReadTimeout = valToTimeDuration(v)
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case "writetimeout":
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opts.WriteTimeout = valToTimeDuration(v)
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case "poolsize":
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opts.PoolSize, _ = strconv.Atoi(v[0])
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case "minidleconns":
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opts.MinIdleConns, _ = strconv.Atoi(v[0])
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case "pooltimeout":
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opts.PoolTimeout = valToTimeDuration(v)
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case "maxredirects":
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opts.MaxRedirects, _ = strconv.Atoi(v[0])
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case "readonly":
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opts.ReadOnly, _ = strconv.ParseBool(v[0])
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case "routebylatency":
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opts.RouteByLatency, _ = strconv.ParseBool(v[0])
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case "routerandomly":
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opts.RouteRandomly, _ = strconv.ParseBool(v[0])
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case "sentinelmasterid":
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fallthrough
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case "mastername":
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opts.MasterName = v[0]
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case "sentinelusername":
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opts.SentinelUsername = v[0]
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case "sentinelpassword":
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opts.SentinelPassword = v[0]
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}
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}
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if uri.Host != "" {
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opts.Addrs = append(opts.Addrs, strings.Split(uri.Host, ",")...)
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}
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// A redis connection string uses the path section of the URI in two different ways. In a TCP-based connection, the
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// path will be a database index to automatically have the client SELECT. In a Unix socket connection, it will be the
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// file path. We only want to try to coerce this to the database index when we're not expecting a file path so that
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// the error log stays clean.
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if uri.Path != "" && uri.Scheme != "redis+socket" {
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if db, err := strconv.Atoi(uri.Path[1:]); err == nil {
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opts.DB = db
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} else {
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log.Error("Provided database identifier '%s' is not a valid integer. Gitea will ignore this option.", uri.Path)
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}
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}
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return opts
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}
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// getRedisTlsOptions parses RedisUri TLS configuration parameters and converts them to the go TLS configuration
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// equivalent fields.
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func getRedisTLSOptions(uri *url.URL) *tls.Config {
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tlsConfig := &tls.Config{}
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skipverify := uri.Query().Get("skipverify")
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if len(skipverify) > 0 {
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skipverify, err := strconv.ParseBool(skipverify)
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if err == nil {
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tlsConfig.InsecureSkipVerify = skipverify
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}
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}
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insecureskipverify := uri.Query().Get("insecureskipverify")
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if len(insecureskipverify) > 0 {
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insecureskipverify, err := strconv.ParseBool(insecureskipverify)
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if err == nil {
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tlsConfig.InsecureSkipVerify = insecureskipverify
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}
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}
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return tlsConfig
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}
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