Merge pull request #20062 from vrothberg/syslog-fix

pass --syslog to the cleanup process

cmd/podman/root.go

@@ -76,7 +76,6 @@ var (
 	dockerConfig    = ""
 	debug           bool
 
-	useSyslog      bool
 	requireCleanup = true
 
 	// Defaults for capturing/redirecting the command output since (the) cobra is
@@ -611,7 +610,7 @@ func rootFlags(cmd *cobra.Command, podmanConfig *entities.PodmanConfig) {
 		pFlags.StringArrayVar(&podmanConfig.RuntimeFlags, runtimeflagFlagName, []string{}, "add global flags for the container runtime")
 		_ = rootCmd.RegisterFlagCompletionFunc(runtimeflagFlagName, completion.AutocompleteNone)
 
-		pFlags.BoolVar(&useSyslog, "syslog", false, "Output logging information to syslog as well as the console (default false)")
+		pFlags.BoolVar(&podmanConfig.Syslog, "syslog", false, "Output logging information to syslog as well as the console (default false)")
 	}
 }
 

cmd/podman/syslog_common.go

@@ -6,12 +6,13 @@ package main
 import (
 	"log/syslog"
 
+	"github.com/containers/podman/v4/cmd/podman/registry"
 	"github.com/sirupsen/logrus"
 	logrusSyslog "github.com/sirupsen/logrus/hooks/syslog"
 )
 
 func syslogHook() {
-	if !useSyslog {
+	if !registry.PodmanConfig().Syslog {
 		return
 	}
 

cmd/podman/syslog_unsupported.go

@@ -6,13 +6,16 @@ package main
 import (
 	"fmt"
 	"os"
+	"runtime"
+
+	"github.com/containers/podman/v4/cmd/podman/registry"
 )
 
 func syslogHook() {
-	if !useSyslog {
+	if !registry.PodmanConfig().Syslog {
 		return
 	}
 
-	fmt.Fprintf(os.Stderr, "Logging to Syslog is not supported on Windows")
+	fmt.Fprintf(os.Stderr, "Logging to Syslog is not supported on %s", runtime.GOOS)
 	os.Exit(1)
 }

libpod/oci_conmon_common.go

@@ -1108,7 +1108,7 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co
 		args = append(args, "--no-pivot")
 	}
 
-	exitCommand, err := specgenutil.CreateExitCommandArgs(ctr.runtime.storageConfig, ctr.runtime.config, logrus.IsLevelEnabled(logrus.DebugLevel), ctr.AutoRemove(), false)
+	exitCommand, err := specgenutil.CreateExitCommandArgs(ctr.runtime.storageConfig, ctr.runtime.config, ctr.runtime.syslog || logrus.IsLevelEnabled(logrus.DebugLevel), ctr.AutoRemove(), false)
 	if err != nil {
 		return 0, err
 	}

pkg/domain/entities/engine.go

@@ -47,7 +47,7 @@ type PodmanConfig struct {
 	Remote                   bool           // Connection to Podman API Service will use RESTful API
 	RuntimePath              string         // --runtime flag will set Engine.RuntimePath
 	RuntimeFlags             []string       // global flags for the container runtime
-	Syslog                   bool           // write to StdOut and Syslog, not supported when tunneling
+	Syslog                   bool           // write logging information to syslog as well as the console
 	Trace                    bool           // Hidden: Trace execution
 	URI                      string         // URI to RESTful API Service
 

pkg/domain/infra/runtime_libpod.go

@@ -275,8 +275,7 @@ func getRuntime(ctx context.Context, fs *flag.FlagSet, opts *engineOpts) (*libpo
 		options = append(options, libpod.WithDatabaseBackend(cfg.ContainersConf.Engine.DBBackend))
 	}
 
-	// no need to handle the error, it will return false anyway
-	if syslog, _ := fs.GetBool("syslog"); syslog {
+	if cfg.Syslog {
 		options = append(options, libpod.WithSyslog())
 	}
 

test/system/030-run.bats

@@ -1261,4 +1261,18 @@ search               | $IMAGE           |
     done < <(parse_table "$tests")
 }
 
+@test "podman --syslog passed to conmon" {
+    skip_if_remote "--syslog is not supported for remote clients"
+    skip_if_journald_unavailable
+
+    run_podman run -d -q --syslog $IMAGE sleep infinity
+    cid="$output"
+
+    run_podman container inspect $cid --format "{{ .State.ConmonPid }}"
+    conmon_pid="$output"
+    is "$(< /proc/$conmon_pid/cmdline)" ".*--exit-command-arg--syslog.*" "conmon's exit-command has --syslog set"
+
+    run_podman rm -f -t0 $cid
+}
+
 # vim: filetype=sh