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https://codeberg.org/forgejo/forgejo.git
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102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package nosql
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import (
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"net/url"
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"strconv"
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"strings"
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)
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// The file contains common redis connection functions
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// ToRedisURI converts old style connections to a RedisURI
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//
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// A RedisURI matches the pattern:
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//
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// redis://[username:password@]host[:port][/database][?[option=value]*]
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// rediss://[username:password@]host[:port][/database][?[option=value]*]
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// redis+socket://[username:password@]path[/database][?[option=value]*]
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// redis+sentinel://[password@]host1 [: port1][, host2 [:port2]][, hostN [:portN]][/ database][?[option=value]*]
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// redis+cluster://[password@]host1 [: port1][, host2 [:port2]][, hostN [:portN]][/ database][?[option=value]*]
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//
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// We have previously used a URI like:
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// addrs=127.0.0.1:6379 db=0
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// network=tcp,addr=127.0.0.1:6379,password=macaron,db=0,pool_size=100,idle_timeout=180
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//
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// We need to convert this old style to the new style
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func ToRedisURI(connection string) *url.URL {
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uri, err := url.Parse(connection)
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if err == nil && strings.HasPrefix(uri.Scheme, "redis") {
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// OK we're going to assume that this is a reasonable redis URI
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return uri
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}
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// Let's set a nice default
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uri, _ = url.Parse("redis://127.0.0.1:6379/0")
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network := "tcp"
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query := uri.Query()
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// OK so there are two types: Space delimited and Comma delimited
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// Let's assume that we have a space delimited string - as this is the most common
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fields := strings.Fields(connection)
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if len(fields) == 1 {
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// It's a comma delimited string, then...
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fields = strings.Split(connection, ",")
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}
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for _, f := range fields {
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items := strings.SplitN(f, "=", 2)
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if len(items) < 2 {
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continue
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}
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switch strings.ToLower(items[0]) {
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case "network":
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if items[1] == "unix" {
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uri.Scheme = "redis+socket"
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}
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network = items[1]
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case "addrs":
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uri.Host = items[1]
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// now we need to handle the clustering
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if strings.Contains(items[1], ",") && network == "tcp" {
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uri.Scheme = "redis+cluster"
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}
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case "addr":
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uri.Host = items[1]
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case "password":
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uri.User = url.UserPassword(uri.User.Username(), items[1])
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case "username":
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password, set := uri.User.Password()
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if !set {
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uri.User = url.User(items[1])
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} else {
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uri.User = url.UserPassword(items[1], password)
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}
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case "db":
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uri.Path = "/" + items[1]
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case "idle_timeout":
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_, err := strconv.Atoi(items[1])
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if err == nil {
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query.Add("idle_timeout", items[1]+"s")
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} else {
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query.Add("idle_timeout", items[1])
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}
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default:
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// Other options become query params
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query.Add(items[0], items[1])
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}
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}
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// Finally we need to fix up the Host if we have a unix port
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if uri.Scheme == "redis+socket" {
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query.Set("db", uri.Path)
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uri.Path = uri.Host
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uri.Host = ""
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}
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uri.RawQuery = query.Encode()
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return uri
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}
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