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-rw-r--r--libpod/container_internal.go4
-rw-r--r--libpod/container_internal_linux.go17
-rw-r--r--libpod/container_internal_unsupported.go4
-rw-r--r--libpod/container_log.go213
-rw-r--r--libpod/events.go2
-rw-r--r--libpod/networking_linux.go5
-rw-r--r--libpod/oci.go7
-rw-r--r--libpod/runtime.go37
-rw-r--r--libpod/runtime_ctr.go2
9 files changed, 274 insertions, 17 deletions
diff --git a/libpod/container_internal.go b/libpod/container_internal.go
index 872802016..ac2d65342 100644
--- a/libpod/container_internal.go
+++ b/libpod/container_internal.go
@@ -1429,5 +1429,9 @@ func (c *Container) copyWithTarFromImage(src, dest string) error {
}
a := archive.NewDefaultArchiver()
source := filepath.Join(mountpoint, src)
+
+ if err = c.copyOwnerAndPerms(source, dest); err != nil {
+ return err
+ }
return a.CopyWithTar(source, dest)
}
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index a7b4aed9f..2a7808bdf 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -982,3 +982,20 @@ func (c *Container) generatePasswd() (string, error) {
}
return passwdFile, nil
}
+
+func (c *Container) copyOwnerAndPerms(source, dest string) error {
+ info, err := os.Stat(source)
+ if err != nil {
+ if os.IsNotExist(err) {
+ return nil
+ }
+ return errors.Wrapf(err, "cannot stat `%s`", dest)
+ }
+ if err := os.Chmod(dest, info.Mode()); err != nil {
+ return errors.Wrapf(err, "cannot chmod `%s`", dest)
+ }
+ if err := os.Chown(dest, int(info.Sys().(*syscall.Stat_t).Uid), int(info.Sys().(*syscall.Stat_t).Gid)); err != nil {
+ return errors.Wrapf(err, "cannot chown `%s`", dest)
+ }
+ return nil
+}
diff --git a/libpod/container_internal_unsupported.go b/libpod/container_internal_unsupported.go
index 4af0cd56c..f707b350c 100644
--- a/libpod/container_internal_unsupported.go
+++ b/libpod/container_internal_unsupported.go
@@ -35,3 +35,7 @@ func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointO
func (c *Container) restore(ctx context.Context, options ContainerCheckpointOptions) error {
return ErrNotImplemented
}
+
+func (c *Container) copyOwnerAndPerms(source, dest string) error {
+ return nil
+}
diff --git a/libpod/container_log.go b/libpod/container_log.go
new file mode 100644
index 000000000..e998ad316
--- /dev/null
+++ b/libpod/container_log.go
@@ -0,0 +1,213 @@
+package libpod
+
+import (
+ "fmt"
+ "io/ioutil"
+ "os"
+ "strings"
+ "sync"
+ "time"
+
+ "github.com/hpcloud/tail"
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
+)
+
+const (
+ // logTimeFormat is the time format used in the log.
+ // It is a modified version of RFC3339Nano that guarantees trailing
+ // zeroes are not trimmed, taken from
+ // https://github.com/golang/go/issues/19635
+ logTimeFormat = "2006-01-02T15:04:05.000000000Z07:00"
+)
+
+// LogOptions is the options you can use for logs
+type LogOptions struct {
+ Details bool
+ Follow bool
+ Since time.Time
+ Tail uint64
+ Timestamps bool
+ Multi bool
+ WaitGroup *sync.WaitGroup
+}
+
+// LogLine describes the information for each line of a log
+type LogLine struct {
+ Device string
+ ParseLogType string
+ Time time.Time
+ Msg string
+ CID string
+}
+
+// Log is a runtime function that can read one or more container logs.
+func (r *Runtime) Log(containers []*Container, options *LogOptions, logChannel chan *LogLine) error {
+ for _, ctr := range containers {
+ if err := ctr.ReadLog(options, logChannel); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// ReadLog reads a containers log based on the input options and returns loglines over a channel
+func (c *Container) ReadLog(options *LogOptions, logChannel chan *LogLine) error {
+ t, tailLog, err := getLogFile(c.LogPath(), options)
+ if err != nil {
+ // If the log file does not exist, this is not fatal.
+ if os.IsNotExist(errors.Cause(err)) {
+ return nil
+ }
+ return errors.Wrapf(err, "unable to read log file %s for %s ", c.ID(), c.LogPath())
+ }
+ options.WaitGroup.Add(1)
+ if len(tailLog) > 0 {
+ for _, nll := range tailLog {
+ nll.CID = c.ID()
+ if nll.Since(options.Since) {
+ logChannel <- nll
+ }
+ }
+ }
+
+ go func() {
+ var partial string
+ for line := range t.Lines {
+ nll, err := newLogLine(line.Text)
+ if err != nil {
+ logrus.Error(err)
+ continue
+ }
+ if nll.Partial() {
+ partial = partial + nll.Msg
+ continue
+ } else if !nll.Partial() && len(partial) > 1 {
+ nll.Msg = partial
+ partial = ""
+ }
+ nll.CID = c.ID()
+ if nll.Since(options.Since) {
+ logChannel <- nll
+ }
+ }
+ options.WaitGroup.Done()
+ }()
+ return nil
+}
+
+// getLogFile returns an hp tail for a container given options
+func getLogFile(path string, options *LogOptions) (*tail.Tail, []*LogLine, error) {
+ var (
+ whence int
+ err error
+ logTail []*LogLine
+ )
+ // whence 0=origin, 2=end
+ if options.Tail > 0 {
+ whence = 2
+ logTail, err = getTailLog(path, int(options.Tail))
+ if err != nil {
+ return nil, nil, err
+ }
+ }
+ seek := tail.SeekInfo{
+ Offset: 0,
+ Whence: whence,
+ }
+
+ t, err := tail.TailFile(path, tail.Config{MustExist: true, Poll: true, Follow: options.Follow, Location: &seek, Logger: tail.DiscardingLogger})
+ return t, logTail, err
+}
+
+func getTailLog(path string, tail int) ([]*LogLine, error) {
+ var (
+ tailLog []*LogLine
+ nlls []*LogLine
+ tailCounter int
+ partial string
+ )
+ content, err := ioutil.ReadFile(path)
+ if err != nil {
+ return nil, err
+ }
+ splitContent := strings.Split(string(content), "\n")
+ // We read the content in reverse and add each nll until we have the same
+ // number of F type messages as the desired tail
+ for i := len(splitContent) - 1; i >= 0; i-- {
+ if len(splitContent[i]) == 0 {
+ continue
+ }
+ nll, err := newLogLine(splitContent[i])
+ if err != nil {
+ return nil, err
+ }
+ nlls = append(nlls, nll)
+ if !nll.Partial() {
+ tailCounter = tailCounter + 1
+ }
+ if tailCounter == tail {
+ break
+ }
+ }
+ // Now we iterate the results and assemble partial messages to become full messages
+ for _, nll := range nlls {
+ if nll.Partial() {
+ partial = partial + nll.Msg
+ } else {
+ nll.Msg = nll.Msg + partial
+ tailLog = append(tailLog, nll)
+ partial = ""
+ }
+ }
+ return tailLog, nil
+}
+
+// String converts a logline to a string for output given whether a detail
+// bool is specified.
+func (l *LogLine) String(options *LogOptions) string {
+ var out string
+ if options.Multi {
+ cid := l.CID
+ if len(cid) > 12 {
+ cid = cid[:12]
+ }
+ out = fmt.Sprintf("%s ", cid)
+ }
+ if options.Timestamps {
+ out = out + fmt.Sprintf("%s ", l.Time.Format(logTimeFormat))
+ }
+ return out + l.Msg
+}
+
+// Since returns a bool as to whether a log line occurred after a given time
+func (l *LogLine) Since(since time.Time) bool {
+ return l.Time.After(since)
+}
+
+// newLogLine creates a logLine struct from a container log string
+func newLogLine(line string) (*LogLine, error) {
+ splitLine := strings.Split(line, " ")
+ if len(splitLine) < 4 {
+ return nil, errors.Errorf("'%s' is not a valid container log line", line)
+ }
+ logTime, err := time.Parse(time.RFC3339Nano, splitLine[0])
+ if err != nil {
+ return nil, errors.Wrapf(err, "unable to convert time %s from container log", splitLine[0])
+ }
+ l := LogLine{
+ Time: logTime,
+ Device: splitLine[1],
+ ParseLogType: splitLine[2],
+ Msg: strings.Join(splitLine[3:], " "),
+ }
+ return &l, nil
+}
+
+// Partial returns a bool if the log line is a partial log type
+func (l *LogLine) Partial() bool {
+ if l.ParseLogType == "P" {
+ return true
+ }
+ return false
+}
diff --git a/libpod/events.go b/libpod/events.go
index f09529a05..139600982 100644
--- a/libpod/events.go
+++ b/libpod/events.go
@@ -92,5 +92,5 @@ func (r *Runtime) getTail(fromStart, stream bool) (*tail.Tail, error) {
seek.Whence = 0
reopen = false
}
- return tail.TailFile(r.config.EventsLogFilePath, tail.Config{ReOpen: reopen, Follow: stream, Location: &seek})
+ return tail.TailFile(r.config.EventsLogFilePath, tail.Config{ReOpen: reopen, Follow: stream, Location: &seek, Logger: tail.DiscardingLogger})
}
diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go
index d8b0cffcb..2450bd6b1 100644
--- a/libpod/networking_linux.go
+++ b/libpod/networking_linux.go
@@ -215,9 +215,12 @@ func (r *Runtime) setupRootlessNetNS(ctr *Container) (err error) {
if pid != cmd.Process.Pid {
continue
}
- if status.Exited() || status.Signaled() {
+ if status.Exited() {
return errors.New("slirp4netns failed")
}
+ if status.Signaled() {
+ return errors.New("slirp4netns killed by signal")
+ }
continue
}
return errors.Wrapf(err, "failed to read from slirp4netns sync pipe")
diff --git a/libpod/oci.go b/libpod/oci.go
index 30360d289..69cff6d3c 100644
--- a/libpod/oci.go
+++ b/libpod/oci.go
@@ -183,6 +183,7 @@ func waitPidsStop(pids []int, timeout time.Duration) error {
func bindPorts(ports []ocicni.PortMapping) ([]*os.File, error) {
var files []*os.File
+ notifySCTP := false
for _, i := range ports {
switch i.Protocol {
case "udp":
@@ -218,6 +219,12 @@ func bindPorts(ports []ocicni.PortMapping) ([]*os.File, error) {
}
files = append(files, f)
break
+ case "sctp":
+ if !notifySCTP {
+ notifySCTP = true
+ logrus.Warnf("port reservation for SCTP is not supported")
+ }
+ break
default:
return nil, fmt.Errorf("unknown protocol %s", i.Protocol)
diff --git a/libpod/runtime.go b/libpod/runtime.go
index 9836b7aab..b3b75d791 100644
--- a/libpod/runtime.go
+++ b/libpod/runtime.go
@@ -505,24 +505,33 @@ func newRuntimeFromConfig(userConfigPath string, options ...RuntimeOption) (runt
return nil, errors.Wrapf(err, "error configuring runtime")
}
}
- if err := makeRuntime(runtime); err != nil {
- return nil, err
- }
-
- if !foundConfig && rootlessConfigPath != "" {
- os.MkdirAll(filepath.Dir(rootlessConfigPath), 0755)
- file, err := os.OpenFile(rootlessConfigPath, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666)
- if err != nil && !os.IsExist(err) {
- return nil, errors.Wrapf(err, "cannot open file %s", rootlessConfigPath)
+ if rootlessConfigPath != "" {
+ // storage.conf
+ storageConfFile := util.StorageConfigFile()
+ if _, err := os.Stat(storageConfFile); os.IsNotExist(err) {
+ if err := util.WriteStorageConfigFile(&runtime.config.StorageConfig, storageConfFile); err != nil {
+ return nil, errors.Wrapf(err, "cannot write config file %s", storageConfFile)
+ }
}
- if err == nil {
- defer file.Close()
- enc := toml.NewEncoder(file)
- if err := enc.Encode(runtime.config); err != nil {
- os.Remove(rootlessConfigPath)
+
+ if !foundConfig {
+ os.MkdirAll(filepath.Dir(rootlessConfigPath), 0755)
+ file, err := os.OpenFile(rootlessConfigPath, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666)
+ if err != nil && !os.IsExist(err) {
+ return nil, errors.Wrapf(err, "cannot open file %s", rootlessConfigPath)
+ }
+ if err == nil {
+ defer file.Close()
+ enc := toml.NewEncoder(file)
+ if err := enc.Encode(runtime.config); err != nil {
+ os.Remove(rootlessConfigPath)
+ }
}
}
}
+ if err := makeRuntime(runtime); err != nil {
+ return nil, err
+ }
return runtime, nil
}
diff --git a/libpod/runtime_ctr.go b/libpod/runtime_ctr.go
index c6f119913..3b74a65dd 100644
--- a/libpod/runtime_ctr.go
+++ b/libpod/runtime_ctr.go
@@ -171,7 +171,7 @@ func (r *Runtime) newContainer(ctx context.Context, rSpec *spec.Spec, options ..
}()
if rootless.IsRootless() && ctr.config.ConmonPidFile == "" {
- ctr.config.ConmonPidFile = filepath.Join(ctr.state.RunDir, "conmon.pid")
+ ctr.config.ConmonPidFile = filepath.Join(ctr.config.StaticDir, "conmon.pid")
}
// Go through the volume mounts and check for named volumes