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feat: add datanode prefix to datanode's data home #118

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merged 2 commits into from
Aug 8, 2023
Merged

feat: add datanode prefix to datanode's data home #118

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ed213c9
feat: add datanode prefix to datanode's data home
waynexia Aug 8, 2023
140ae9e
change dataHome to a vec
waynexia Aug 8, 2023
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25 changes: 14 additions & 11 deletions pkg/deployer/baremetal/component/datanode.go
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ type datanode struct {
wg *sync.WaitGroup
logger logger.Logger

dataHome string
dataHome []string
dataNodeLogDirs []string
dataNodePidDirs []string
dataNodeDataDirs []string
Expand All @@ -54,15 +54,16 @@ func newDataNodes(config *config.Datanode, metaSrvAddr string, workDirs WorkDirs
}

func (d *datanode) Start(ctx context.Context, binary string) error {
dataHome := path.Join(d.workDirs.DataDir, "home")
if err := fileutils.CreateDirIfNotExists(dataHome); err != nil {
return err
}
d.dataHome = dataHome

for i := 0; i < d.config.Replicas; i++ {
dirName := fmt.Sprintf("datanode.%d", i)

dataHome := path.Join(d.workDirs.DataDir, dirName, "home")
if err := fileutils.CreateDirIfNotExists(dataHome); err != nil {
return err
}
d.dataHome = append(d.dataHome, dataHome)

datanodeLogDir := path.Join(d.workDirs.LogsDir, dirName)
if err := fileutils.CreateDirIfNotExists(datanodeLogDir); err != nil {
return err
Expand All @@ -81,7 +82,7 @@ func (d *datanode) Start(ctx context.Context, binary string) error {
}
d.dataNodeDataDirs = append(d.dataNodeDataDirs, path.Join(d.workDirs.DataDir, dirName))

if err := runBinary(ctx, binary, d.BuildArgs(ctx, i, walDir), datanodeLogDir, datanodePidDir, d.wg, d.logger); err != nil {
if err := runBinary(ctx, binary, d.BuildArgs(ctx, i, walDir, dataHome), datanodeLogDir, datanodePidDir, d.wg, d.logger); err != nil {
return err
}
}
Expand Down Expand Up @@ -111,7 +112,7 @@ func (d *datanode) BuildArgs(ctx context.Context, params ...interface{}) []strin
logLevel = "info"
}

nodeID_, walDir := params[0], params[1]
nodeID_, walDir, dataHome := params[0], params[1], params[2]
nodeID := nodeID_.(int)

args := []string{
Expand All @@ -121,7 +122,7 @@ func (d *datanode) BuildArgs(ctx context.Context, params ...interface{}) []strin
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("--data-home=%s", dataHome),
fmt.Sprintf("--wal-dir=%s", walDir),
}
return args
Expand Down Expand Up @@ -155,8 +156,10 @@ func (d *datanode) IsRunning(ctx context.Context) bool {
}

func (d *datanode) Delete(ctx context.Context) error {
if err := fileutils.DeleteDirIfExists(d.dataHome); err != nil {
return err
for _, dir := range d.dataHome {
if err := fileutils.DeleteDirIfExists(dir); err != nil {
return err
}
}

for _, dir := range d.dataNodeLogDirs {
Expand Down
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