Get(resourceType string, uuid string, parameters arvadosclient.Dict, output interface{}) error
Update(resourceType string, uuid string, parameters arvadosclient.Dict, output interface{}) error
Call(method, resourceType, uuid, action string, parameters arvadosclient.Dict, output interface{}) error
+ CallRaw(method string, resourceType string, uuid string, action string, parameters arvadosclient.Dict) (reader io.ReadCloser, err error)
Discovery(key string) (interface{}, error)
}
cStateLock sync.Mutex
cStarted bool // StartContainer() succeeded
cCancelled bool // StopContainer() invoked
+
+ enableNetwork string // one of "default" or "always"
+ networkMode string // passed through to HostConfig.NetworkMode
}
// SetupSignals sets up signal handling to gracefully terminate the underlying
go func(sig chan os.Signal) {
<-sig
- log.Print("signal handler calling runner.stop()")
runner.stop()
signal.Stop(sig)
}(runner.SigChan)
},
infoCommand{
label: "Disk Space",
- cmd: []string{"df", "-m"},
+ cmd: []string{"df", "-m", "/", os.TempDir()},
+ },
+ infoCommand{
+ label: "Disk INodes",
+ cmd: []string{"df", "-i", "/", os.TempDir()},
},
}
// Run commands with informational output to be logged.
var out []byte
for _, command := range commands {
- out, err = exec.Command(command.cmd[0], command.cmd[1:]...).Output()
+ out, err = exec.Command(command.cmd[0], command.cmd[1:]...).CombinedOutput()
if err != nil {
- return fmt.Errorf("While running command '%s': %v",
- command.cmd[0], err)
+ return fmt.Errorf("While running command %q: %v",
+ command.cmd, err)
}
logger.Println(command.label)
for _, line := range strings.Split(string(out), "\n") {
"container",
runner.LogCollection.Open("container.json"),
}
- logger := log.New(w, "container", 0)
-
- // Convert container record to pretty-printed JSON []byte
- rec, err := json.MarshalIndent(runner.Container, "", " ")
+ // Get Container record JSON from the API Server
+ reader, err := runner.ArvClient.CallRaw("GET", "containers", runner.Container.UUID, "", nil)
if err != nil {
- return fmt.Errorf("While converting container record to JSON: %v", err)
+ return fmt.Errorf("While retrieving container record from the API server: %v", err)
}
-
- // Write JSON record line-by-line
- for _, line := range strings.Split(string(rec), "\n") {
- logger.Println(line)
+ defer reader.Close()
+ // Read the API server response as []byte
+ json_bytes, err := ioutil.ReadAll(reader)
+ if err != nil {
+ return fmt.Errorf("While reading container record API server response: %v", err)
+ }
+ // Decode the JSON []byte
+ var cr map[string]interface{}
+ if err = json.Unmarshal(json_bytes, &cr); err != nil {
+ return fmt.Errorf("While decoding the container record JSON response: %v", err)
+ }
+ // Re-encode it using indentation to improve readability
+ enc := json.NewEncoder(w)
+ enc.SetIndent("", " ")
+ if err = enc.Encode(cr); err != nil {
+ return fmt.Errorf("While logging the JSON container record: %v", err)
}
-
err = w.Close()
if err != nil {
return fmt.Errorf("While closing container.json log: %v", err)
for k, v := range runner.Container.Environment {
runner.ContainerConfig.Env = append(runner.ContainerConfig.Env, k+"="+v)
}
+
+ runner.HostConfig = dockerclient.HostConfig{
+ Binds: runner.Binds,
+ CgroupParent: runner.setCgroupParent,
+ LogConfig: dockerclient.LogConfig{
+ Type: "none",
+ },
+ }
+
if wantAPI := runner.Container.RuntimeConstraints.API; wantAPI != nil && *wantAPI {
tok, err := runner.ContainerToken()
if err != nil {
"ARVADOS_API_HOST="+os.Getenv("ARVADOS_API_HOST"),
"ARVADOS_API_HOST_INSECURE="+os.Getenv("ARVADOS_API_HOST_INSECURE"),
)
- runner.ContainerConfig.NetworkDisabled = false
+ runner.HostConfig.NetworkMode = runner.networkMode
} else {
- runner.ContainerConfig.NetworkDisabled = true
+ if runner.enableNetwork == "always" {
+ runner.HostConfig.NetworkMode = runner.networkMode
+ } else {
+ runner.HostConfig.NetworkMode = "none"
+ }
}
var err error
return fmt.Errorf("While creating container: %v", err)
}
- runner.HostConfig = dockerclient.HostConfig{
- Binds: runner.Binds,
- CgroupParent: runner.setCgroupParent,
- LogConfig: dockerclient.LogConfig{
- Type: "none",
- },
- }
-
return runner.AttachStreams()
}
cgroupParent := flag.String("cgroup-parent", "docker", "name of container's parent cgroup (ignored if -cgroup-parent-subsystem is used)")
cgroupParentSubsystem := flag.String("cgroup-parent-subsystem", "", "use current cgroup for given subsystem as parent cgroup for container")
caCertsPath := flag.String("ca-certs", "", "Path to TLS root certificates")
+ enableNetwork := flag.String("container-enable-networking", "default",
+ `Specify if networking should be enabled for container. One of 'default', 'always':
+ default: only enable networking if container requests it.
+ always: containers always have networking enabled
+ `)
+ networkMode := flag.String("container-network-mode", "default",
+ `Set networking mode for container. Corresponds to Docker network mode (--net).
+ `)
flag.Parse()
containerId := flag.Arg(0)
cr.statInterval = *statInterval
cr.cgroupRoot = *cgroupRoot
cr.expectCgroupParent = *cgroupParent
+ cr.enableNetwork = *enableNetwork
+ cr.networkMode = *networkMode
if *cgroupParentSubsystem != "" {
p := findCgroup(*cgroupParentSubsystem)
cr.setCgroupParent = p
projects / arvados.git / blobdiff