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Merge pull request go-kratos#364 from bilibili/go-common/testing_2019…
…9197322 この全ては既に世界の選択だ！
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,9 @@ | ||
| version: "3.7" | ||
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| services: | ||
| mc: | ||
| image: memcached:1 | ||
| ports: | ||
| - 11211:11211 | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,4 @@ | ||
| ## testing/lich 运行环境构建 | ||
| 基于 docker-compose 实现跨平台跨语言环境的容器依赖管理方案，以解决运行ut场景下的 (mysql, redis, mc)容器依赖问题。 | ||
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| 使用说明参见：https://github.com/bilibili/kratos/tree/master/tool/testcli/README.md |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| package lich | ||
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| import ( | ||
| "bytes" | ||
| "crypto/md5" | ||
| "encoding/json" | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "time" | ||
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| "github.com/bilibili/kratos/pkg/log" | ||
| ) | ||
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| var ( | ||
| retry int | ||
| noDown bool | ||
| yamlPath string | ||
| pathHash string | ||
| services map[string]*Container | ||
| ) | ||
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| func init() { | ||
| flag.StringVar(&yamlPath, "f", "docker-compose.yaml", "composer yaml path.") | ||
| flag.BoolVar(&noDown, "nodown", false, "containers are not recycled.") | ||
| } | ||
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| func runCompose(args ...string) (output []byte, err error) { | ||
| if _, err = os.Stat(yamlPath); os.IsNotExist(err) { | ||
| log.Error("os.Stat(%s) composer yaml is not exist!", yamlPath) | ||
| return | ||
| } | ||
| if yamlPath, err = filepath.Abs(yamlPath); err != nil { | ||
| log.Error("filepath.Abs(%s) error(%v)", yamlPath, err) | ||
| return | ||
| } | ||
| pathHash = fmt.Sprintf("%x", md5.Sum([]byte(yamlPath)))[:9] | ||
| args = append([]string{"-f", yamlPath, "-p", pathHash}, args...) | ||
| if output, err = exec.Command("docker-compose", args...).CombinedOutput(); err != nil { | ||
| log.Error("exec.Command(docker-compose) args(%v) stdout(%s) error(%v)", args, string(output), err) | ||
| return | ||
| } | ||
| return | ||
| } | ||
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| // Setup setup UT related environment dependence for everything. | ||
| func Setup() (err error) { | ||
| if _, err = runCompose("up", "-d"); err != nil { | ||
| return | ||
| } | ||
| defer func() { | ||
| if err != err { | ||
| go Teardown() | ||
| } | ||
| }() | ||
| if _, err = getServices(); err != nil { | ||
| return | ||
| } | ||
| _, err = checkServices() | ||
| return | ||
| } | ||
|
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| // Teardown unsetup all environment dependence. | ||
| func Teardown() (err error) { | ||
| if !noDown { | ||
| _, err = runCompose("down") | ||
| } | ||
| return | ||
| } | ||
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| func getServices() (output []byte, err error) { | ||
| if output, err = runCompose("config", "--services"); err != nil { | ||
| return | ||
| } | ||
| services = make(map[string]*Container) | ||
| output = bytes.TrimSpace(output) | ||
| for _, svr := range bytes.Split(output, []byte("\n")) { | ||
| if output, err = runCompose("ps", "-a", "-q", string(svr)); err != nil { | ||
| return | ||
| } | ||
| var ( | ||
| id = string(bytes.TrimSpace(output)) | ||
| args = []string{"inspect", id, "--format", "'{{json .}}'"} | ||
| ) | ||
| if output, err = exec.Command("docker", args...).CombinedOutput(); err != nil { | ||
| log.Error("exec.Command(docker) args(%v) stdout(%s) error(%v)", args, string(output), err) | ||
| return | ||
| } | ||
| if output = bytes.TrimSpace(output); bytes.Equal(output, []byte("")) { | ||
| err = fmt.Errorf("service: %s | container: %s fails to launch", svr, id) | ||
| log.Error("exec.Command(docker) args(%v) error(%v)", args, err) | ||
| return | ||
| } | ||
| var c = &Container{} | ||
| if err = json.Unmarshal(bytes.Trim(output, "'"), c); err != nil { | ||
| log.Error("json.Unmarshal(%s) error(%v)", string(output), err) | ||
| return | ||
| } | ||
| services[string(svr)] = c | ||
| } | ||
| return | ||
| } | ||
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| func checkServices() (output []byte, err error) { | ||
| defer func() { | ||
| if err != nil && retry < 4 { | ||
| retry++ | ||
| getServices() | ||
| time.Sleep(time.Second * 5) | ||
| output, err = checkServices() | ||
| return | ||
| } | ||
| retry = 0 | ||
| }() | ||
| for svr, c := range services { | ||
| if err = c.Healthcheck(); err != nil { | ||
| log.Error("healthcheck(%s) error(%v) retrying %d times...", svr, err, 5-retry) | ||
| return | ||
| } | ||
| // TODO About container check and more... | ||
| } | ||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package lich | ||
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| import ( | ||
| "database/sql" | ||
| "fmt" | ||
| "net" | ||
| "strconv" | ||
| "strings" | ||
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| "github.com/bilibili/kratos/pkg/log" | ||
| // Register go-sql-driver stuff | ||
| _ "github.com/go-sql-driver/mysql" | ||
| ) | ||
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| var healthchecks = map[string]func(*Container) error{"mysql": checkMysql, "mariadb": checkMysql} | ||
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| // Healthcheck check container health. | ||
| func (c *Container) Healthcheck() (err error) { | ||
| if status, health := c.State.Status, c.State.Health.Status; !c.State.Running || (health != "" && health != "healthy") { | ||
| err = fmt.Errorf("service: %s | container: %s not running", c.GetImage(), c.GetID()) | ||
| log.Error("docker status(%s) health(%s) error(%v)", status, health, err) | ||
| return | ||
| } | ||
| if check, ok := healthchecks[c.GetImage()]; ok { | ||
| err = check(c) | ||
| return | ||
| } | ||
| for proto, ports := range c.NetworkSettings.Ports { | ||
| if id := c.GetID(); !strings.Contains(proto, "tcp") { | ||
| log.Error("container: %s proto(%s) unsupported.", id, proto) | ||
| continue | ||
| } | ||
| for _, publish := range ports { | ||
| var ( | ||
| ip = net.ParseIP(publish.HostIP) | ||
| port, _ = strconv.Atoi(publish.HostPort) | ||
| tcpAddr = &net.TCPAddr{IP: ip, Port: port} | ||
| tcpConn *net.TCPConn | ||
| ) | ||
| if tcpConn, err = net.DialTCP("tcp", nil, tcpAddr); err != nil { | ||
| log.Error("net.DialTCP(%s:%s) error(%v)", publish.HostIP, publish.HostPort, err) | ||
| return | ||
| } | ||
| tcpConn.Close() | ||
| } | ||
| } | ||
| return | ||
| } | ||
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| func checkMysql(c *Container) (err error) { | ||
| var ip, port, user, passwd string | ||
| for _, env := range c.Config.Env { | ||
| splits := strings.Split(env, "=") | ||
| if strings.Contains(splits[0], "MYSQL_ROOT_PASSWORD") { | ||
| user, passwd = "root", splits[1] | ||
| continue | ||
| } | ||
| if strings.Contains(splits[0], "MYSQL_ALLOW_EMPTY_PASSWORD") { | ||
| user, passwd = "root", "" | ||
| continue | ||
| } | ||
| if strings.Contains(splits[0], "MYSQL_USER") { | ||
| user = splits[1] | ||
| continue | ||
| } | ||
| if strings.Contains(splits[0], "MYSQL_PASSWORD") { | ||
| passwd = splits[1] | ||
| continue | ||
| } | ||
| } | ||
| var db *sql.DB | ||
| if ports, ok := c.NetworkSettings.Ports["3306/tcp"]; ok { | ||
| ip, port = ports[0].HostIP, ports[0].HostPort | ||
| } | ||
| var dsn = fmt.Sprintf("%s:%s@tcp(%s:%s)/", user, passwd, ip, port) | ||
| if db, err = sql.Open("mysql", dsn); err != nil { | ||
| log.Error("sql.Open(mysql) dsn(%s) error(%v)", dsn, err) | ||
| return | ||
| } | ||
| if err = db.Ping(); err != nil { | ||
| log.Error("ping(db) dsn(%s) error(%v)", dsn, err) | ||
| } | ||
| defer db.Close() | ||
| return | ||
| } |
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