common

package
Version: v1.10.0 Latest Latest
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Published: Jul 7, 2016 License: Apache-2.0 Imports: 23 Imported by: 0

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Constants

View Source
const (
	// FlavorFile names the file storing the pod's flavor
	FlavorFile    = "flavor"
	SharedVolPerm = os.FileMode(0755)
)
View Source
const (
	// UnitsDir is the default path to systemd systemd unit directory
	UnitsDir = "/usr/lib/systemd/system"
)

Variables

This section is empty.

Functions

func EnvFilePath added in v0.14.0

func EnvFilePath(root string, appName types.ACName) string

EnvFilePath returns the path to the environment file for the given app name.

func EvaluateSymlinksInsideApp added in v1.5.1

func EvaluateSymlinksInsideApp(appRootfs, path string) (string, error)

EvaluateSymlinksInsideApp tries to resolve symlinks within the path. It returns the actual path relative to the app rootfs for the given path.

func GenerateMounts

func GenerateMounts(ra *schema.RuntimeApp, volumes map[types.ACName]types.Volume, imageManifest *schema.ImageManifest) []mountWrapper

GenerateMounts maps MountPoint paths to volumes, returning a list of mounts, each with a parameter indicating if it's an implicit empty volume from a Docker image.

func GetAppHashes added in v0.14.0

func GetAppHashes(p *stage1commontypes.Pod) []types.Hash

GetAppHashes returns a list of hashes of the apps in this pod

func GetFlavor added in v0.14.0

func GetFlavor(p *stage1commontypes.Pod) (flavor string, systemdVersion int, err error)

GetFlavor populates a flavor string based on the flavor itself and respectively the systemd version If the systemd version couldn't be guessed, it will be set to 0.

func GetMachineID added in v0.14.0

func GetMachineID(p *stage1commontypes.Pod) string

GetMachineID returns the machine id string of the pod to be passed to systemd-nspawn

func InitDebug added in v1.0.0

func InitDebug(debug bool)

func InstantiatedPrepareAppUnitName added in v0.14.0

func InstantiatedPrepareAppUnitName(appName types.ACName) string

InstantiatedPrepareAppUnitName returns the systemd service unit name for prepare-app instantiated for the given root.

func IsMountReadOnly

func IsMountReadOnly(vol types.Volume, mountPoints []types.MountPoint) bool

IsMountReadOnly returns if a mount should be readOnly. If the readOnly flag in the pod manifest is not nil, it overrides the readOnly flag in the image manifest.

func PodToNspawnArgs added in v0.14.0

func PodToNspawnArgs(p *stage1commontypes.Pod) ([]string, error)

PodToNspawnArgs renders a prepared Pod as a systemd-nspawn argument list ready to be executed

func PodToSystemd added in v0.14.0

func PodToSystemd(p *stage1commontypes.Pod, interactive bool, flavor string, privateUsers string) error

PodToSystemd creates the appropriate systemd service unit files for all the constituent apps of the Pod

func PrepareMountpoints added in v1.1.0

func PrepareMountpoints(volPath string, targetPath string, vol *types.Volume, dockerImplicit bool) error

PrepareMountpoints creates and sets permissions for empty volumes. If the mountpoint comes from a Docker image and it is an implicit empty volume, we copy files from the image to the volume, see https://docs.docker.com/engine/userguide/containers/dockervolumes/#data-volumes

func RelEnvFilePath added in v0.14.0

func RelEnvFilePath(appName types.ACName) string

RelEnvFilePath returns the path to the environment file for the given app name relative to the pod's root.

func ServiceUnitName added in v0.14.0

func ServiceUnitName(appName types.ACName) string

ServiceUnitName returns a systemd service unit name for the given app name.

func ServiceUnitPath added in v0.14.0

func ServiceUnitPath(root string, appName types.ACName) string

ServiceUnitPath returns the path to the systemd service file for the given app name.

func ServiceWantPath added in v0.14.0

func ServiceWantPath(root string, appName types.ACName) string

ServiceWantPath returns the systemd default.target want symlink path for the given app name.

func SetJournalPermissions added in v0.15.0

func SetJournalPermissions(p *stage1commontypes.Pod) error

SetJournalPermissions sets ACLs and permissions so the rkt group can access the pod's logs

func SocketUnitName added in v0.14.0

func SocketUnitName(appName types.ACName) string

SocketUnitName returns a systemd socket unit name for the given app name.

func SocketUnitPath added in v0.14.0

func SocketUnitPath(root string, appName types.ACName) string

SocketUnitPath returns the path to the systemd socket file for the given app name.

func SocketWantPath added in v0.14.0

func SocketWantPath(root string, appName types.ACName) string

SocketWantPath returns the systemd sockets.target.wants symlink path for the given app name.

func WriteDefaultTarget added in v0.14.0

func WriteDefaultTarget(p *stage1commontypes.Pod) error

WriteDefaultTarget writes the default.target unit file which is responsible for bringing up the applications

func WritePrepareAppTemplate added in v0.14.0

func WritePrepareAppTemplate(p *stage1commontypes.Pod) error

WritePrepareAppTemplate writes service unit files for preparing the pod's applications

Types

This section is empty.

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