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refactor bare-metal deployer and add foreground delete for it
Signed-off-by: sh2 <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| // Copyright 2023 Greptime Team | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package component | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "context" | ||
| "os" | ||
| "os/exec" | ||
| "path" | ||
| "strconv" | ||
| "sync" | ||
|
|
||
| "github.com/GreptimeTeam/gtctl/pkg/deployer/baremetal/config" | ||
| "github.com/GreptimeTeam/gtctl/pkg/logger" | ||
| ) | ||
|
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| // BareMetalCluster describes all the components need to be deployed under bare-metal mode. | ||
| type BareMetalCluster struct { | ||
| MetaSrv BareMetalClusterComponent | ||
| DataNodes BareMetalClusterComponent | ||
| Frontend BareMetalClusterComponent | ||
| Etcd BareMetalClusterComponent | ||
| } | ||
|
|
||
| // BareMetalClusterComponent is the basic unit of running GreptimeDB Cluster in bare-metal mode. | ||
| type BareMetalClusterComponent interface { | ||
| // Start starts cluster component by executing binary. | ||
| Start(ctx context.Context, binary string) error | ||
|
|
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| // BuildArgs build up args for cluster component. | ||
| BuildArgs(ctx context.Context, params ...interface{}) []string | ||
|
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| // IsRunning returns the status of current cluster component. | ||
| IsRunning(ctx context.Context) bool | ||
|
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| // Delete deletes resources that allocated in the system for current component. | ||
| Delete(ctx context.Context) error | ||
| } | ||
|
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| func NewGreptimeDBCluster(config *config.Cluster, dataDir, logsDir, pidsDir string, | ||
| wait *sync.WaitGroup, logger logger.Logger) *BareMetalCluster { | ||
| return &BareMetalCluster{ | ||
| MetaSrv: newMetaSrv(config.Meta, logsDir, pidsDir, wait, logger), | ||
| DataNodes: newDataNodes(config.Datanode, config.Meta.ServerAddr, dataDir, logsDir, pidsDir, wait, logger), | ||
| Frontend: newFrontend(config.Frontend, config.Meta.ServerAddr, logsDir, pidsDir, wait, logger), | ||
| Etcd: newEtcd(dataDir, logsDir, pidsDir, wait, logger), | ||
| } | ||
| } | ||
|
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| func runBinary(ctx context.Context, binary string, args []string, logDir string, pidDir string, | ||
| wait *sync.WaitGroup, logger logger.Logger) error { | ||
| cmd := exec.Command(binary, args...) | ||
|
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| // output to binary. | ||
| logFile := path.Join(logDir, "log") | ||
| outputFile, err := os.Create(logFile) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| outputFileWriter := bufio.NewWriter(outputFile) | ||
| cmd.Stdout = outputFileWriter | ||
| cmd.Stderr = outputFileWriter | ||
|
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| logger.V(3).Infof("run binary '%s' with args: '%v', log: '%s', pid: '%s'", binary, args, logDir, pidDir) | ||
|
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| if err := cmd.Start(); err != nil { | ||
| return err | ||
| } | ||
|
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| pidFile := path.Join(pidDir, "pid") | ||
| f, err := os.Create(pidFile) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| _, err = f.Write([]byte(strconv.Itoa(cmd.Process.Pid))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| go func() { | ||
| defer wait.Done() | ||
| wait.Add(1) | ||
| // TODO(sh2) caught up the `signal: interrupt` error and ignore | ||
| if err := cmd.Wait(); err != nil { | ||
| logger.Errorf("binary '%s' exited with error: %v", binary, err) | ||
| } | ||
| }() | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| // Copyright 2023 Greptime Team | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package component | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net" | ||
| "net/http" | ||
| "path" | ||
| "strconv" | ||
| "sync" | ||
| "time" | ||
|
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| "github.com/GreptimeTeam/gtctl/pkg/deployer/baremetal/config" | ||
| "github.com/GreptimeTeam/gtctl/pkg/logger" | ||
| "github.com/GreptimeTeam/gtctl/pkg/utils" | ||
| ) | ||
|
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| type dataNodes struct { | ||
| config *config.Datanode | ||
| metaSrvAddr string | ||
|
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| dataDir string | ||
| logsDir string | ||
| pidsDir string | ||
| wait *sync.WaitGroup | ||
| logger logger.Logger | ||
|
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| dataHome string | ||
| dataNodeLogDirs []string | ||
| dataNodePidDirs []string | ||
| dataNodeDataDirs []string | ||
| } | ||
|
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| func newDataNodes(config *config.Datanode, metaSrvAddr, dataDir, logsDir, pidsDir string, | ||
| wait *sync.WaitGroup, logger logger.Logger) BareMetalClusterComponent { | ||
| return &dataNodes{ | ||
| config: config, | ||
| metaSrvAddr: metaSrvAddr, | ||
| dataDir: dataDir, | ||
| logsDir: logsDir, | ||
| pidsDir: pidsDir, | ||
| wait: wait, | ||
| logger: logger, | ||
| } | ||
| } | ||
|
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| func (d *dataNodes) Start(ctx context.Context, binary string) error { | ||
| dataHome := path.Join(d.dataDir, "home") | ||
| if err := utils.CreateDirIfNotExists(dataHome); err != nil { | ||
| return err | ||
| } | ||
| d.dataHome = dataHome | ||
|
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| for i := 0; i < d.config.Replicas; i++ { | ||
| dirName := fmt.Sprintf("datanode.%d", i) | ||
|
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| datanodeLogDir := path.Join(d.logsDir, dirName) | ||
| if err := utils.CreateDirIfNotExists(datanodeLogDir); err != nil { | ||
| return err | ||
| } | ||
| d.dataNodeLogDirs = append(d.dataNodeLogDirs, datanodeLogDir) | ||
|
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| datanodePidDir := path.Join(d.pidsDir, dirName) | ||
| if err := utils.CreateDirIfNotExists(datanodePidDir); err != nil { | ||
| return err | ||
| } | ||
| d.dataNodePidDirs = append(d.dataNodePidDirs, datanodePidDir) | ||
|
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| walDir := path.Join(d.dataDir, dirName, "wal") | ||
| if err := utils.CreateDirIfNotExists(walDir); err != nil { | ||
| return err | ||
| } | ||
| d.dataNodeDataDirs = append(d.dataNodeDataDirs, path.Join(d.dataDir, dirName)) | ||
|
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| if err := runBinary(ctx, binary, d.BuildArgs(ctx, i, walDir), datanodeLogDir, datanodePidDir, d.wait, d.logger); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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| // FIXME(zyy17): Should add a timeout here. | ||
| ticker := time.Tick(500 * time.Millisecond) | ||
|
Check failure on line 95 in pkg/deployer/baremetal/component/datanode.go
|
||
|
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| TICKER: | ||
| for { | ||
| select { | ||
| case <-ticker: | ||
| if d.IsRunning(ctx) { | ||
| break TICKER | ||
| } | ||
| } | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func (d *dataNodes) BuildArgs(ctx context.Context, params ...interface{}) []string { | ||
| logLevel := d.config.LogLevel | ||
| if logLevel == "" { | ||
| logLevel = "info" | ||
| } | ||
|
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| nodeID_, walDir := params[0], params[1] | ||
| nodeID := nodeID_.(int) | ||
|
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| args := []string{ | ||
| fmt.Sprintf("--log-level=%s", logLevel), | ||
| "datanode", "start", | ||
| fmt.Sprintf("--node-id=%d", nodeID), | ||
| fmt.Sprintf("--metasrv-addr=%s", d.metaSrvAddr), | ||
| fmt.Sprintf("--rpc-addr=%s", generateDatanodeAddr(d.config.RPCAddr, nodeID)), | ||
| fmt.Sprintf("--http-addr=%s", generateDatanodeAddr(d.config.HTTPAddr, nodeID)), | ||
| fmt.Sprintf("--data-home=%s", d.dataHome), | ||
| fmt.Sprintf("--wal-dir=%s", walDir), | ||
| } | ||
| return args | ||
| } | ||
|
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| func (d *dataNodes) IsRunning(ctx context.Context) bool { | ||
| for i := 0; i < d.config.Replicas; i++ { | ||
| addr := generateDatanodeAddr(d.config.HTTPAddr, i) | ||
| _, httpPort, err := net.SplitHostPort(addr) | ||
| if err != nil { | ||
| d.logger.V(5).Infof("failed to split host port: %s", err) | ||
| return false | ||
| } | ||
|
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| rsp, err := http.Get(fmt.Sprintf("http://localhost:%s/health", httpPort)) | ||
| if err != nil { | ||
| d.logger.V(5).Infof("failed to get datanode health: %s", err) | ||
| return false | ||
| } | ||
|
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| if rsp.StatusCode != http.StatusOK { | ||
| return false | ||
| } | ||
|
|
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| if err = rsp.Body.Close(); err != nil { | ||
| return false | ||
| } | ||
| } | ||
|
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| return true | ||
| } | ||
|
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| func (d *dataNodes) Delete(ctx context.Context) error { | ||
| if err := utils.DeleteDirIfExists(d.dataHome); err != nil { | ||
| return err | ||
| } | ||
|
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| for _, dir := range d.dataNodeLogDirs { | ||
| if err := utils.DeleteDirIfExists(dir); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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| for _, dir := range d.dataNodePidDirs { | ||
| if err := utils.DeleteDirIfExists(dir); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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| for _, dir := range d.dataNodeDataDirs { | ||
| if err := utils.DeleteDirIfExists(dir); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func generateDatanodeAddr(addr string, nodeID int) string { | ||
| // Already checked in validation. | ||
| host, port, _ := net.SplitHostPort(addr) | ||
| portInt, _ := strconv.Atoi(port) | ||
| return net.JoinHostPort(host, strconv.Itoa(portInt+nodeID)) | ||
| } | ||
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