mirror of
https://github.com/zrepl/zrepl.git
synced 2024-12-31 11:28:56 +01:00
Switch to using https://github.com/spf13/cobra for CLI.
Use opportunity to structure project by subcommands.
This commit is contained in:
Christian Schwarz
parent
655b3ab55f
commit
b44a005bbb
@ -1,11 +1,64 @@
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package main
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package cmd
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import (
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"fmt"
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"github.com/spf13/cobra"
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"github.com/zrepl/zrepl/jobrun"
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"github.com/zrepl/zrepl/zfs"
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"sync"
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"time"
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)
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var autosnapArgs struct {
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job string
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}
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var AutosnapCmd = &cobra.Command{
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Use: "autosnap",
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Short: "perform automatic snapshotting",
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Run: cmdAutosnap,
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}
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func init() {
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AutosnapCmd.Flags().StringVar(&autosnapArgs.job, "job", "", "job to run")
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RootCmd.AddCommand(AutosnapCmd)
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}
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func cmdAutosnap(cmd *cobra.Command, args []string) {
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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defer wg.Done()
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runner.Start()
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}()
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log.Printf("autosnap...")
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for i := range conf.Autosnaps {
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snap := conf.Autosnaps[i]
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if autosnapArgs.job == "" || autosnapArgs.job == snap.Name {
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job := jobrun.Job{
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Name: fmt.Sprintf("autosnap.%s", snap.Name),
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RepeatStrategy: snap.Interval,
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RunFunc: func(log jobrun.Logger) error {
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log.Printf("doing autosnap: %v", snap)
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ctx := AutosnapContext{snap}
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return doAutosnap(ctx, log)
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},
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}
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runner.AddJob(job)
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}
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}
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wg.Wait()
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}
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type AutosnapContext struct {
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Autosnap Autosnap
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}
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@ -1,4 +1,4 @@
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package main
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package cmd
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import (
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"errors"
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@ -1,4 +1,4 @@
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package main
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package cmd
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import (
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"github.com/stretchr/testify/assert"
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@ -1,4 +1,4 @@
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package main
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package cmd
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import (
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"fmt"
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403
cmd/main.go
403
cmd/main.go
@ -1,365 +1,104 @@
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package main
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// zrepl replicates ZFS filesystems & volumes between pools
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//
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// Code Organization
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//
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// The cmd package uses github.com/spf13/cobra for its CLI.
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//
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// It combines the other packages in the zrepl project to implement zrepl functionality.
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//
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// Each subcommand's code is in the corresponding *.go file.
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// All other *.go files contain code shared by the subcommands.
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package cmd
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import (
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"fmt"
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"github.com/urfave/cli"
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"github.com/spf13/cobra"
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"github.com/zrepl/zrepl/jobrun"
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"github.com/zrepl/zrepl/rpc"
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"github.com/zrepl/zrepl/sshbytestream"
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"github.com/zrepl/zrepl/zfs"
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"golang.org/x/sys/unix"
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"io"
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"log"
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golog "log"
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"net/http"
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_ "net/http/pprof"
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"os"
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"runtime/debug"
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"sync"
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"time"
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)
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type Logger interface {
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Printf(format string, v ...interface{})
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}
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var conf Config
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var runner *jobrun.JobRunner
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var logFlags int = log.LUTC | log.Ldate | log.Ltime
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var logOut io.Writer
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var defaultLog Logger
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// global state / facilities
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var (
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conf Config
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runner *jobrun.JobRunner
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logFlags int = golog.LUTC | golog.Ldate | golog.Ltime
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logOut io.Writer
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log Logger
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)
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func main() {
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defer func() {
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e := recover()
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if e != nil {
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defaultLog.Printf("panic:\n%s\n\n", debug.Stack())
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defaultLog.Printf("error: %t %s", e, e)
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os.Exit(1)
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}
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}()
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app := cli.NewApp()
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app.Name = "zrepl"
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app.Usage = "replicate zfs datasets"
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app.EnableBashCompletion = true
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app.Flags = []cli.Flag{
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cli.StringFlag{Name: "config"},
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cli.StringFlag{Name: "logfile"},
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cli.StringFlag{Name: "debug.pprof.http"},
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}
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app.Before = func(c *cli.Context) (err error) {
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// Logging
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if c.GlobalIsSet("logfile") {
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var logFile *os.File
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logFile, err = os.OpenFile(c.String("logfile"), os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0600)
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if err != nil {
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return
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}
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if err = unix.Dup2(int(logFile.Fd()), int(os.Stderr.Fd())); err != nil {
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logFile.WriteString(fmt.Sprintf("error duping logfile to stderr: %s\n", err))
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return
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}
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logOut = logFile
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} else {
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logOut = os.Stderr
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}
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defaultLog = log.New(logOut, "", logFlags)
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// CPU profiling
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if c.GlobalIsSet("debug.pprof.http") {
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go func() {
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http.ListenAndServe(c.GlobalString("debug.pprof.http"), nil)
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}()
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}
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// Config
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if !c.GlobalIsSet("config") {
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return cli.NewExitError("config flag not set", 2)
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}
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if conf, err = ParseConfig(c.GlobalString("config")); err != nil {
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return cli.NewExitError(err, 2)
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}
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jobrunLogger := log.New(os.Stderr, "jobrun ", logFlags)
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runner = jobrun.NewJobRunner(jobrunLogger)
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return
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}
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app.Commands = []cli.Command{
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{
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Name: "stdinserver",
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Aliases: []string{"s"},
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Usage: "start in stdin server mode (from authorized keys)",
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Flags: []cli.Flag{
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cli.StringFlag{Name: "identity"},
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},
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Action: cmdStdinServer,
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},
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{
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Name: "run",
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Aliases: []string{"r"},
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Usage: "do replication",
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Action: cmdRun,
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Flags: []cli.Flag{
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cli.StringFlag{Name: "job"},
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cli.BoolFlag{
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Name: "once",
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Usage: "run jobs only once, regardless of configured repeat behavior",
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},
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},
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},
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{
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Name: "prune",
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Action: cmdPrune,
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Flags: []cli.Flag{
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cli.StringFlag{Name: "job"},
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cli.BoolFlag{Name: "n", Usage: "simulation (dry run)"},
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},
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},
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{
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Name: "autosnap",
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Action: cmdAutosnap,
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Flags: []cli.Flag{
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cli.StringFlag{Name: "job"},
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},
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},
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}
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app.Run(os.Args)
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var RootCmd = &cobra.Command{
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Use: "zrepl",
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Short: "ZFS dataset replication",
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Long: `Replicate ZFS filesystems & volumes between pools:
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- push & pull mode
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- automatic snapshot creation & pruning
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- local / over the network
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- ACLs instead of blank SSH access`,
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}
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func cmdStdinServer(c *cli.Context) (err error) {
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var rootArgs struct {
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configFile string
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stderrFile string
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httpPprof string
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}
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if !c.IsSet("identity") {
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return cli.NewExitError("identity flag not set", 2)
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}
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identity := c.String("identity")
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func init() {
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cobra.OnInitialize(initConfig)
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RootCmd.PersistentFlags().StringVar(&rootArgs.configFile, "config", "", "config file path")
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RootCmd.PersistentFlags().StringVar(&rootArgs.stderrFile, "stderrFile", "-", "redirect stderr to given path")
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RootCmd.PersistentFlags().StringVar(&rootArgs.httpPprof, "debug.pprof.http", "", "run pprof http server on given port")
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}
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var sshByteStream io.ReadWriteCloser
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if sshByteStream, err = sshbytestream.Incoming(); err != nil {
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return
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}
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func initConfig() {
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findMapping := func(cm []ClientMapping, identity string) zfs.DatasetMapping {
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for i := range cm {
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if cm[i].From == identity {
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return cm[i].Mapping
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}
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// Logging & stderr redirection
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if rootArgs.stderrFile != "-" {
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file, err := os.OpenFile(rootArgs.stderrFile, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0600)
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if err != nil {
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return
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}
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return nil
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}
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sinkMapping := func(identity string) (sink zfs.DatasetMapping, err error) {
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if sink = findMapping(conf.Sinks, identity); sink == nil {
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return nil, fmt.Errorf("could not find sink for dataset")
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if err = unix.Dup2(int(file.Fd()), int(os.Stderr.Fd())); err != nil {
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file.WriteString(fmt.Sprintf("error redirecting stderr file %s: %s\n", rootArgs.stderrFile, err))
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return
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}
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return
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logOut = file
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} else {
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logOut = os.Stderr
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}
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sinkLogger := log.New(logOut, fmt.Sprintf("sink[%s] ", identity), logFlags)
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handler := Handler{
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Logger: sinkLogger,
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SinkMappingFunc: sinkMapping,
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PullACL: findMapping(conf.PullACLs, identity),
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log = golog.New(logOut, "", logFlags)
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// CPU profiling
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if rootArgs.httpPprof != "" {
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go func() {
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http.ListenAndServe(rootArgs.httpPprof, nil)
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}()
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}
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if err = rpc.ListenByteStreamRPC(sshByteStream, identity, handler, sinkLogger); err != nil {
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//os.Exit(1)
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err = cli.NewExitError(err, 1)
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defaultLog.Printf("listenbytestreamerror: %#v\n", err)
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// Config
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if rootArgs.configFile == "" {
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log.Printf("config file not set")
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os.Exit(1)
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}
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var err error
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if conf, err = ParseConfig(rootArgs.configFile); err != nil {
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log.Printf("error parsing config: %s", err)
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os.Exit(1)
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}
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jobrunLogger := golog.New(os.Stderr, "jobrun ", logFlags)
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runner = jobrun.NewJobRunner(jobrunLogger)
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return
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}
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func cmdRun(c *cli.Context) error {
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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defer wg.Done()
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runner.Start()
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}()
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jobs := make([]jobrun.Job, len(conf.Pulls)+len(conf.Pushs))
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i := 0
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for _, pull := range conf.Pulls {
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jobs[i] = jobrun.Job{
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Name: fmt.Sprintf("pull.%d", i),
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RepeatStrategy: pull.RepeatStrategy,
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RunFunc: func(log jobrun.Logger) error {
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log.Printf("doing pull: %v", pull)
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return jobPull(pull, c, log)
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},
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}
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i++
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}
|
||||
for _, push := range conf.Pushs {
|
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jobs[i] = jobrun.Job{
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Name: fmt.Sprintf("push.%d", i),
|
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RepeatStrategy: push.RepeatStrategy,
|
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RunFunc: func(log jobrun.Logger) error {
|
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log.Printf("doing push: %v", push)
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return jobPush(push, c, log)
|
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},
|
||||
}
|
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i++
|
||||
}
|
||||
|
||||
for _, j := range jobs {
|
||||
if c.IsSet("once") {
|
||||
j.RepeatStrategy = jobrun.NoRepeatStrategy{}
|
||||
}
|
||||
if c.IsSet("job") {
|
||||
if c.String("job") == j.Name {
|
||||
runner.AddJob(j)
|
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break
|
||||
}
|
||||
continue
|
||||
}
|
||||
runner.AddJob(j)
|
||||
}
|
||||
|
||||
for {
|
||||
select {
|
||||
case job := <-runner.NotificationChan():
|
||||
log.Printf("job %s reported error: %v\n", job.Name, job.LastError)
|
||||
}
|
||||
}
|
||||
|
||||
wg.Wait()
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func jobPull(pull Pull, c *cli.Context, log jobrun.Logger) (err error) {
|
||||
|
||||
if lt, ok := pull.From.Transport.(LocalTransport); ok {
|
||||
lt.SetHandler(Handler{
|
||||
Logger: log,
|
||||
PullACL: pull.Mapping,
|
||||
})
|
||||
pull.From.Transport = lt
|
||||
log.Printf("fixing up local transport: %#v", pull.From.Transport)
|
||||
}
|
||||
|
||||
var remote rpc.RPCRequester
|
||||
|
||||
if remote, err = pull.From.Transport.Connect(log); err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
defer closeRPCWithTimeout(log, remote, time.Second*10, "")
|
||||
|
||||
return doPull(PullContext{remote, log, pull.Mapping, pull.InitialReplPolicy})
|
||||
}
|
||||
|
||||
func jobPush(push Push, c *cli.Context, log jobrun.Logger) (err error) {
|
||||
|
||||
if _, ok := push.To.Transport.(LocalTransport); ok {
|
||||
panic("no support for local pushs")
|
||||
}
|
||||
|
||||
var remote rpc.RPCRequester
|
||||
if remote, err = push.To.Transport.Connect(log); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
defer closeRPCWithTimeout(log, remote, time.Second*10, "")
|
||||
|
||||
log.Printf("building handler for PullMeRequest")
|
||||
handler := Handler{
|
||||
Logger: log,
|
||||
PullACL: push.Filter,
|
||||
SinkMappingFunc: nil, // no need for that in the handler for PullMe
|
||||
}
|
||||
log.Printf("handler: %#v", handler)
|
||||
|
||||
r := rpc.PullMeRequest{
|
||||
InitialReplPolicy: push.InitialReplPolicy,
|
||||
}
|
||||
log.Printf("doing PullMeRequest: %#v", r)
|
||||
|
||||
if err = remote.PullMeRequest(r, handler); err != nil {
|
||||
log.Printf("PullMeRequest failed: %s", err)
|
||||
return
|
||||
}
|
||||
|
||||
log.Printf("push job finished")
|
||||
return
|
||||
|
||||
}
|
||||
|
||||
func cmdPrune(c *cli.Context) error {
|
||||
|
||||
log := defaultLog
|
||||
|
||||
jobFailed := false
|
||||
|
||||
log.Printf("retending...")
|
||||
|
||||
for _, prune := range conf.Prunes {
|
||||
|
||||
if !c.IsSet("job") || (c.IsSet("job") && c.String("job") == prune.Name) {
|
||||
log.Printf("Beginning prune job:\n%s", prune)
|
||||
ctx := PruneContext{prune, time.Now(), c.IsSet("n")}
|
||||
err := doPrune(ctx, log)
|
||||
if err != nil {
|
||||
jobFailed = true
|
||||
log.Printf("Prune job failed with error: %s", err)
|
||||
}
|
||||
log.Printf("\n")
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if jobFailed {
|
||||
return cli.NewExitError("At least one job failed with an error. Check log for details.", 1)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func cmdAutosnap(c *cli.Context) error {
|
||||
|
||||
log := defaultLog
|
||||
|
||||
var wg sync.WaitGroup
|
||||
wg.Add(1)
|
||||
go func() {
|
||||
defer wg.Done()
|
||||
runner.Start()
|
||||
}()
|
||||
|
||||
log.Printf("autosnap...")
|
||||
|
||||
for i := range conf.Autosnaps {
|
||||
|
||||
snap := conf.Autosnaps[i]
|
||||
|
||||
if !c.IsSet("job") || (c.IsSet("job") && c.String("job") == snap.Name) {
|
||||
|
||||
job := jobrun.Job{
|
||||
Name: fmt.Sprintf("autosnap.%s", snap.Name),
|
||||
RepeatStrategy: snap.Interval,
|
||||
RunFunc: func(log jobrun.Logger) error {
|
||||
log.Printf("doing autosnap: %v", snap)
|
||||
ctx := AutosnapContext{snap}
|
||||
return doAutosnap(ctx, log)
|
||||
},
|
||||
}
|
||||
runner.AddJob(job)
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
wg.Wait()
|
||||
|
||||
return nil
|
||||
|
||||
}
|
||||
|
||||
50
cmd/prune.go
50
cmd/prune.go
@ -1,13 +1,61 @@
|
||||
package main
|
||||
package cmd
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"github.com/spf13/cobra"
|
||||
"github.com/zrepl/zrepl/util"
|
||||
"github.com/zrepl/zrepl/zfs"
|
||||
"os"
|
||||
"sort"
|
||||
"time"
|
||||
)
|
||||
|
||||
var pruneArgs struct {
|
||||
job string
|
||||
dryRun bool
|
||||
}
|
||||
|
||||
var PruneCmd = &cobra.Command{
|
||||
Use: "prune",
|
||||
Short: "perform pruning",
|
||||
Run: cmdPrune,
|
||||
}
|
||||
|
||||
func init() {
|
||||
PruneCmd.Flags().StringVar(&pruneArgs.job, "job", "", "job to run")
|
||||
PruneCmd.Flags().BoolVarP(&pruneArgs.dryRun, "dryrun", "n", false, "dry run")
|
||||
RootCmd.AddCommand(PruneCmd)
|
||||
}
|
||||
|
||||
func cmdPrune(cmd *cobra.Command, args []string) {
|
||||
|
||||
jobFailed := false
|
||||
|
||||
log.Printf("retending...")
|
||||
|
||||
for _, prune := range conf.Prunes {
|
||||
|
||||
if pruneArgs.job == "" || pruneArgs.job == prune.Name {
|
||||
log.Printf("Beginning prune job:\n%s", prune)
|
||||
ctx := PruneContext{prune, time.Now(), pruneArgs.dryRun}
|
||||
err := doPrune(ctx, log)
|
||||
if err != nil {
|
||||
jobFailed = true
|
||||
log.Printf("Prune job failed with error: %s", err)
|
||||
}
|
||||
log.Printf("\n")
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if jobFailed {
|
||||
log.Printf("At least one job failed with an error. Check log for details.")
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
type PruneContext struct {
|
||||
Prune Prune
|
||||
Now time.Time
|
||||
|
||||
@ -1,13 +1,150 @@
|
||||
package main
|
||||
package cmd
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"github.com/spf13/cobra"
|
||||
"github.com/zrepl/zrepl/jobrun"
|
||||
"github.com/zrepl/zrepl/rpc"
|
||||
"github.com/zrepl/zrepl/zfs"
|
||||
"io"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
var runArgs struct {
|
||||
job string
|
||||
once bool
|
||||
}
|
||||
|
||||
var RunCmd = &cobra.Command{
|
||||
Use: "run",
|
||||
Short: "run push & pull replication",
|
||||
Run: cmdRun,
|
||||
}
|
||||
|
||||
func init() {
|
||||
RootCmd.AddCommand(RunCmd)
|
||||
RunCmd.Flags().BoolVar(&runArgs.once, "once", false, "run jobs only once, regardless of configured repeat behavior")
|
||||
RunCmd.Flags().StringVar(&runArgs.job, "job", "", "run only the given job")
|
||||
}
|
||||
|
||||
func cmdRun(cmd *cobra.Command, args []string) {
|
||||
|
||||
var wg sync.WaitGroup
|
||||
wg.Add(1)
|
||||
go func() {
|
||||
defer wg.Done()
|
||||
runner.Start()
|
||||
}()
|
||||
|
||||
jobs := make([]jobrun.Job, len(conf.Pulls)+len(conf.Pushs))
|
||||
i := 0
|
||||
for _, pull := range conf.Pulls {
|
||||
jobs[i] = jobrun.Job{
|
||||
Name: fmt.Sprintf("pull.%d", i),
|
||||
RepeatStrategy: pull.RepeatStrategy,
|
||||
RunFunc: func(log jobrun.Logger) error {
|
||||
log.Printf("doing pull: %v", pull)
|
||||
return jobPull(pull, log)
|
||||
},
|
||||
}
|
||||
i++
|
||||
}
|
||||
for _, push := range conf.Pushs {
|
||||
jobs[i] = jobrun.Job{
|
||||
Name: fmt.Sprintf("push.%d", i),
|
||||
RepeatStrategy: push.RepeatStrategy,
|
||||
RunFunc: func(log jobrun.Logger) error {
|
||||
log.Printf("doing push: %v", push)
|
||||
return jobPush(push, log)
|
||||
},
|
||||
}
|
||||
i++
|
||||
}
|
||||
|
||||
for _, j := range jobs {
|
||||
if runArgs.once {
|
||||
j.RepeatStrategy = jobrun.NoRepeatStrategy{}
|
||||
}
|
||||
if runArgs.job != "" {
|
||||
if runArgs.job == j.Name {
|
||||
runner.AddJob(j)
|
||||
break
|
||||
}
|
||||
continue
|
||||
}
|
||||
runner.AddJob(j)
|
||||
}
|
||||
|
||||
for {
|
||||
select {
|
||||
case job := <-runner.NotificationChan():
|
||||
log.Printf("job %s reported error: %v\n", job.Name, job.LastError)
|
||||
}
|
||||
}
|
||||
|
||||
wg.Wait()
|
||||
|
||||
}
|
||||
|
||||
func jobPull(pull Pull, log jobrun.Logger) (err error) {
|
||||
|
||||
if lt, ok := pull.From.Transport.(LocalTransport); ok {
|
||||
lt.SetHandler(Handler{
|
||||
Logger: log,
|
||||
PullACL: pull.Mapping,
|
||||
})
|
||||
pull.From.Transport = lt
|
||||
log.Printf("fixing up local transport: %#v", pull.From.Transport)
|
||||
}
|
||||
|
||||
var remote rpc.RPCRequester
|
||||
|
||||
if remote, err = pull.From.Transport.Connect(log); err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
defer closeRPCWithTimeout(log, remote, time.Second*10, "")
|
||||
|
||||
return doPull(PullContext{remote, log, pull.Mapping, pull.InitialReplPolicy})
|
||||
}
|
||||
|
||||
func jobPush(push Push, log jobrun.Logger) (err error) {
|
||||
|
||||
if _, ok := push.To.Transport.(LocalTransport); ok {
|
||||
panic("no support for local pushs")
|
||||
}
|
||||
|
||||
var remote rpc.RPCRequester
|
||||
if remote, err = push.To.Transport.Connect(log); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
defer closeRPCWithTimeout(log, remote, time.Second*10, "")
|
||||
|
||||
log.Printf("building handler for PullMeRequest")
|
||||
handler := Handler{
|
||||
Logger: log,
|
||||
PullACL: push.Filter,
|
||||
SinkMappingFunc: nil, // no need for that in the handler for PullMe
|
||||
}
|
||||
log.Printf("handler: %#v", handler)
|
||||
|
||||
r := rpc.PullMeRequest{
|
||||
InitialReplPolicy: push.InitialReplPolicy,
|
||||
}
|
||||
log.Printf("doing PullMeRequest: %#v", r)
|
||||
|
||||
if err = remote.PullMeRequest(r, handler); err != nil {
|
||||
log.Printf("PullMeRequest failed: %s", err)
|
||||
return
|
||||
}
|
||||
|
||||
log.Printf("push job finished")
|
||||
return
|
||||
|
||||
}
|
||||
|
||||
func closeRPCWithTimeout(log Logger, remote rpc.RPCRequester, timeout time.Duration, goodbye string) {
|
||||
log.Printf("closing rpc connection")
|
||||
|
||||
|
||||
79
cmd/stdinserver.go
Normal file
79
cmd/stdinserver.go
Normal file
@ -0,0 +1,79 @@
|
||||
package cmd
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"github.com/spf13/cobra"
|
||||
"github.com/zrepl/zrepl/rpc"
|
||||
"github.com/zrepl/zrepl/sshbytestream"
|
||||
"github.com/zrepl/zrepl/zfs"
|
||||
"io"
|
||||
golog "log"
|
||||
"os"
|
||||
)
|
||||
|
||||
var stdinserver struct {
|
||||
identity string
|
||||
}
|
||||
|
||||
var StdinserverCmd = &cobra.Command{
|
||||
Use: "stdinserver",
|
||||
Short: "start in stdin server mode (from authorized_keys file)",
|
||||
Run: cmdStdinServer,
|
||||
}
|
||||
|
||||
func init() {
|
||||
StdinserverCmd.Flags().StringVar(&stdinserver.identity, "identity", "", "")
|
||||
RootCmd.AddCommand(StdinserverCmd)
|
||||
}
|
||||
|
||||
func cmdStdinServer(cmd *cobra.Command, args []string) {
|
||||
|
||||
var err error
|
||||
defer func() {
|
||||
if err != nil {
|
||||
log.Printf("stdinserver exiting with error: %s", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
}()
|
||||
|
||||
if stdinserver.identity == "" {
|
||||
err = fmt.Errorf("identity flag not set")
|
||||
return
|
||||
}
|
||||
identity := stdinserver.identity
|
||||
|
||||
var sshByteStream io.ReadWriteCloser
|
||||
if sshByteStream, err = sshbytestream.Incoming(); err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
findMapping := func(cm []ClientMapping, identity string) zfs.DatasetMapping {
|
||||
for i := range cm {
|
||||
if cm[i].From == identity {
|
||||
return cm[i].Mapping
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
sinkMapping := func(identity string) (sink zfs.DatasetMapping, err error) {
|
||||
if sink = findMapping(conf.Sinks, identity); sink == nil {
|
||||
return nil, fmt.Errorf("could not find sink for dataset")
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
sinkLogger := golog.New(logOut, fmt.Sprintf("sink[%s] ", identity), logFlags)
|
||||
handler := Handler{
|
||||
Logger: sinkLogger,
|
||||
SinkMappingFunc: sinkMapping,
|
||||
PullACL: findMapping(conf.PullACLs, identity),
|
||||
}
|
||||
|
||||
if err = rpc.ListenByteStreamRPC(sshByteStream, identity, handler, sinkLogger); err != nil {
|
||||
log.Printf("listenbytestreamerror: %#v\n", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
return
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user