diff options
Diffstat (limited to 'cmd/podman/main.go')
| -rw-r--r-- | cmd/podman/main.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/cmd/podman/main.go b/cmd/podman/main.go index f9820c075..ecb72f58b 100644 --- a/cmd/podman/main.go +++ b/cmd/podman/main.go @@ -1,7 +1,9 @@ package main import ( + "context" "fmt" + "io" "log/syslog" "os" "os/exec" @@ -13,8 +15,10 @@ import ( "github.com/containers/libpod/libpod" _ "github.com/containers/libpod/pkg/hooks/0.1.0" "github.com/containers/libpod/pkg/rootless" + "github.com/containers/libpod/pkg/tracing" "github.com/containers/libpod/version" "github.com/containers/storage/pkg/reexec" + opentracing "github.com/opentracing/opentracing-go" "github.com/pkg/errors" "github.com/sirupsen/logrus" lsyslog "github.com/sirupsen/logrus/hooks/syslog" @@ -25,6 +29,9 @@ import ( // in the repository var ( exitCode = 125 + Ctx context.Context + span opentracing.Span + closer io.Closer ) // Commands that the remote and local client have @@ -112,6 +119,7 @@ func init() { rootCmd.PersistentFlags().BoolVar(&MainGlobalOpts.Syslog, "syslog", false, "Output logging information to syslog as well as the console") rootCmd.PersistentFlags().StringVar(&MainGlobalOpts.TmpDir, "tmpdir", "", "Path to the tmp directory") + rootCmd.PersistentFlags().BoolVar(&MainGlobalOpts.Trace, "trace", false, "enable opentracing output") rootCmd.AddCommand(mainCommands...) rootCmd.AddCommand(getMainCommands()...) @@ -181,6 +189,15 @@ func before(cmd *cobra.Command, args []string) error { } pprof.StartCPUProfile(f) } + if cmd.Flag("trace").Changed { + var tracer opentracing.Tracer + tracer, closer = tracing.Init("podman") + opentracing.SetGlobalTracer(tracer) + + span = tracer.StartSpan("before-context") + + Ctx = opentracing.ContextWithSpan(context.Background(), span) + } return nil } @@ -188,6 +205,10 @@ func after(cmd *cobra.Command, args []string) error { if cmd.Flag("cpu-profile").Changed { pprof.StopCPUProfile() } + if cmd.Flag("trace").Changed { + span.Finish() + closer.Close() + } return nil } |