Switch eventlogger to journald by default

[NO TESTS NEEDED] Since we are just testing the default.

Signed-off-by: Daniel J Walsh <[email protected]>

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/containernetworking/cni v0.8.1
 	github.com/containernetworking/plugins v0.9.1
 	github.com/containers/buildah v1.22.3
-	github.com/containers/common v0.42.1
+	github.com/containers/common v0.43.0
 	github.com/containers/conmon v2.0.20+incompatible
 	github.com/containers/image/v5 v5.15.2
 	github.com/containers/ocicrypt v1.1.2

go.sum

@@ -240,11 +240,13 @@ github.com/containernetworking/plugins v0.9.1 h1:FD1tADPls2EEi3flPc2OegIY1M9pUa9
 github.com/containernetworking/plugins v0.9.1/go.mod h1:xP/idU2ldlzN6m4p5LmGiwRDjeJr6FLK6vuiUwoH7P8=
 github.com/containers/buildah v1.22.3 h1:RomxwUa24jMcqzXQetpw4wGMfNlNZLhc9qwyoWHblwc=
 github.com/containers/buildah v1.22.3/go.mod h1:JVXRyx5Rkp5w5jwvaXe45kuHtyoxpERMjXrR45+3Wfg=
-github.com/containers/common v0.42.1 h1:ADOZrVAS8ZY5hBAvr/GoRoPv5Z7TBkxWgxQEXQjlqac=
 github.com/containers/common v0.42.1/go.mod h1:AaF3ipZfgezsctDuhzLkq4Vl+LkEy7J74ikh2HSXDsg=
+github.com/containers/common v0.43.0 h1:CeDdfhLyPfsG6TAKJneT/4RWOhHfWF2Yv+Wz6SuMusU=
+github.com/containers/common v0.43.0/go.mod h1:BAoVyRYlxKZKAYpHcFMdrXlIZyzbJp9NwKTgadTd/Dg=
 github.com/containers/conmon v2.0.20+incompatible h1:YbCVSFSCqFjjVwHTPINGdMX1F6JXHGTUje2ZYobNrkg=
 github.com/containers/conmon v2.0.20+incompatible/go.mod h1:hgwZ2mtuDrppv78a/cOBNiCm6O0UMWGx1mu7P00nu5I=
 github.com/containers/image/v5 v5.14.0/go.mod h1:SxiBKOcKuT+4yTjD0AskjO+UwFvNcVOJ9qlAw1HNSPU=
+github.com/containers/image/v5 v5.15.0/go.mod h1:gzdBcooi6AFdiqfzirUqv90hUyHyI0MMdaqKzACKr2s=
 github.com/containers/image/v5 v5.15.2 h1:DKicmVr0h1HGkzs9muoErX+fVbV9sV9W5TyMy5perLE=
 github.com/containers/image/v5 v5.15.2/go.mod h1:8jejVSzTDfyPwr/HXp9rri34n/vbdavYk6IzTiB3TBw=
 github.com/containers/libtrust v0.0.0-20190913040956-14b96171aa3b h1:Q8ePgVfHDplZ7U33NwHZkrVELsZP5fYj9pM5WBZB2GE=
@@ -258,7 +260,9 @@ github.com/containers/psgo v1.5.2 h1:3aoozst/GIwsrr/5jnFy3FrJay98uujPCu9lTuSZ/Cw
 github.com/containers/psgo v1.5.2/go.mod h1:2ubh0SsreMZjSXW1Hif58JrEcFudQyIy9EzPUWfawVU=
 github.com/containers/storage v1.23.5/go.mod h1:ha26Q6ngehFNhf3AWoXldvAvwI4jFe3ETQAf/CeZPyM=
 github.com/containers/storage v1.32.6/go.mod h1:mdB+b89p+jU8zpzLTVXA0gWMmIo0WrkfGMh1R8O2IQw=
+github.com/containers/storage v1.33.0/go.mod h1:FUZPF4nJijX8ixdhByZJXf02cvbyLi6dyDwXdIe8QVY=
 github.com/containers/storage v1.33.1/go.mod h1:FUZPF4nJijX8ixdhByZJXf02cvbyLi6dyDwXdIe8QVY=
+github.com/containers/storage v1.34.0/go.mod h1:t6I+hTgPU0/tVxQ75vw406wDi/TXwYBqZp4QZV9N7b8=
 github.com/containers/storage v1.34.1 h1:PsBGMH7hwuQ3MOr7qTgPznFrE8ebfIbwQbg2gKvg0lE=
 github.com/containers/storage v1.34.1/go.mod h1:FY2TcbfgCLMU4lYoKnlZeZXeH353TOTbpDEA+sAcqAY=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
@@ -582,6 +586,7 @@ github.com/klauspost/compress v1.11.0/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYs
 github.com/klauspost/compress v1.11.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/klauspost/compress v1.11.13/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/klauspost/compress v1.13.1/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg=
+github.com/klauspost/compress v1.13.3/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg=
 github.com/klauspost/compress v1.13.4 h1:0zhec2I8zGnjWcKyLl6i3gPqKANCCn5e9xmviEEeX6s=
 github.com/klauspost/compress v1.13.4/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg=
 github.com/klauspost/pgzip v1.2.5 h1:qnWYvvKqedOF2ulHpMG72XQol4ILEJ8k2wwRl/Km8oE=
@@ -713,6 +718,7 @@ github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1y
 github.com/onsi/gomega v1.10.3/go.mod h1:V9xEwhxec5O8UDM77eCW8vLymOMltsqPVYWrpDsH8xc=
 github.com/onsi/gomega v1.10.5/go.mod h1:gza4q3jKQJijlu05nKWRCW/GavJumGt8aNRxWg7mt48=
 github.com/onsi/gomega v1.14.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+tEHG0=
+github.com/onsi/gomega v1.15.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+tEHG0=
 github.com/onsi/gomega v1.16.0 h1:6gjqkI8iiRHMvdccRJM8rVKjCWk6ZIm6FTm3ddIe4/c=
 github.com/onsi/gomega v1.16.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
 github.com/opencontainers/go-digest v0.0.0-20170106003457-a6d0ee40d420/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
@@ -751,6 +757,7 @@ github.com/opencontainers/selinux v1.5.1/go.mod h1:yTcKuYAh6R95iDpefGLQaPaRwJFwy
 github.com/opencontainers/selinux v1.6.0/go.mod h1:VVGKuOLlE7v4PJyT6h7mNWvq1rzqiriPsEqVhc+svHE=
 github.com/opencontainers/selinux v1.8.0/go.mod h1:RScLhm78qiWa2gbVCcGkC7tCGdgk3ogry1nUQF8Evvo=
 github.com/opencontainers/selinux v1.8.2/go.mod h1:MUIHuUEvKB1wtJjQdOyYRgOnLD2xAPP8dBsCoU0KuF8=
+github.com/opencontainers/selinux v1.8.3/go.mod h1:HTvjPFoGMbpQsG886e3lQwnsRWtE4TC1OF3OUvG9FAo=
 github.com/opencontainers/selinux v1.8.4 h1:krlgQ6/j9CkCXT5oW0yVXdQFOME3NjKuuAZXuR6O7P4=
 github.com/opencontainers/selinux v1.8.4/go.mod h1:HTvjPFoGMbpQsG886e3lQwnsRWtE4TC1OF3OUvG9FAo=
 github.com/openshift/imagebuilder v1.2.2-0.20210415181909-87f3e48c2656 h1:WaxyNFpmIDu4i6so9r6LVFIbSaXqsj8oitMitt86ae4=

libpod/container_log_linux.go

@@ -12,6 +12,7 @@ import (
 	"github.com/containers/podman/v3/libpod/define"
 	"github.com/containers/podman/v3/libpod/events"
 	"github.com/containers/podman/v3/libpod/logs"
+	"github.com/coreos/go-systemd/v22/journal"
 	"github.com/coreos/go-systemd/v22/sdjournal"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
@@ -29,6 +30,17 @@ func init() {
 	logDrivers = append(logDrivers, define.JournaldLogging)
 }
 
+// initializeJournal will write an empty string to the journal
+// when a journal is created. This solves a problem when people
+// attempt to read logs from a container that has never had stdout/stderr
+func (c *Container) initializeJournal(ctx context.Context) error {
+	m := make(map[string]string)
+	m["SYSLOG_IDENTIFIER"] = "podman"
+	m["PODMAN_ID"] = c.ID()
+	m["CONTAINER_ID_FULL"] = c.ID()
+	return journal.Send("", journal.PriInfo, m)
+}
+
 func (c *Container) readFromJournal(ctx context.Context, options *logs.LogOptions, logChannel chan *logs.LogLine) error {
 	journal, err := sdjournal.NewJournal()
 	if err != nil {
@@ -63,12 +75,12 @@ func (c *Container) readFromJournal(ctx context.Context, options *logs.LogOption
 	}
 	// API requires Next() immediately after SeekHead().
 	if _, err := journal.Next(); err != nil {
-		return errors.Wrap(err, "initial journal cursor")
+		return errors.Wrap(err, "next journal")
 	}
 
 	// API requires a next|prev before getting a cursor.
 	if _, err := journal.Previous(); err != nil {
-		return errors.Wrap(err, "initial journal cursor")
+		return errors.Wrap(err, "previous journal")
 	}
 
 	// Note that the initial cursor may not yet be ready, so we'll do an

libpod/container_log_unsupported.go

@@ -13,3 +13,7 @@ import (
 func (c *Container) readFromJournal(_ context.Context, _ *logs.LogOptions, _ chan *logs.LogLine) error {
 	return errors.Wrapf(define.ErrOSNotSupported, "Journald logging only enabled with systemd on linux")
 }
+
+func (c *Container) initializeJournal(ctx context.Context) error {
+	return errors.Wrapf(define.ErrOSNotSupported, "Journald logging only enabled with systemd on linux")
+}

libpod/runtime_ctr.go

@@ -462,8 +462,15 @@ func (r *Runtime) setupContainer(ctx context.Context, ctr *Container) (_ *Contai
 		ctrNamedVolumes = append(ctrNamedVolumes, newVol)
 	}
 
-	if ctr.config.LogPath == "" && ctr.config.LogDriver != define.JournaldLogging && ctr.config.LogDriver != define.NoLogging {
-		ctr.config.LogPath = filepath.Join(ctr.config.StaticDir, "ctr.log")
+	switch ctr.config.LogDriver {
+	case define.NoLogging:
+		break
+	case define.JournaldLogging:
+		ctr.initializeJournal(ctx)
+	default:
+		if ctr.config.LogPath == "" {
+			ctr.config.LogPath = filepath.Join(ctr.config.StaticDir, "ctr.log")
+		}
 	}
 
 	if !MountExists(ctr.config.Spec.Mounts, "/dev/shm") && ctr.config.ShmDir == "" {

vendor/modules.txt

@@ -94,7 +94,7 @@ github.com/containers/buildah/pkg/overlay
 github.com/containers/buildah/pkg/parse
 github.com/containers/buildah/pkg/rusage
 github.com/containers/buildah/util
-# github.com/containers/common v0.42.1
+# github.com/containers/common v0.43.0
 github.com/containers/common/libimage
 github.com/containers/common/libimage/manifests
 github.com/containers/common/pkg/apparmor