Merge pull request #9612 from containers/dependabot/go_modules/github.com/coreos/go-systemd/v22-22.2.0

Bump github.com/coreos/go-systemd/v22 from 22.1.0 to 22.2.0

8 files changed, 619 insertions, 227 deletions

diff --git a/vendor/github.com/coreos/go-systemd/v22/activation/files.go b/vendor/github.com/coreos/go-systemd/v22/activation/files_unix.go
index 29dd18def..fc7db98fb 100644
--- a/vendor/github.com/coreos/go-systemd/v22/activation/files.go
+++ b/vendor/github.com/coreos/go-systemd/v22/activation/files_unix.go
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// +build !windows
+
 // Package activation implements primitives for systemd socket activation.
 package activation
 
diff --git a/vendor/github.com/coreos/go-systemd/v22/activation/files_windows.go b/vendor/github.com/coreos/go-systemd/v22/activation/files_windows.go
new file mode 100644
index 000000000..d391bf00c
--- /dev/null
+++ b/vendor/github.com/coreos/go-systemd/v22/activation/files_windows.go
@@ -0,0 +1,21 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package activation
+
+import "os"
+
+func Files(unsetEnv bool) []*os.File {
+	return nil
+}
diff --git a/vendor/github.com/coreos/go-systemd/v22/dbus/dbus.go b/vendor/github.com/coreos/go-systemd/v22/dbus/dbus.go
index 91584a166..e843a4613 100644
--- a/vendor/github.com/coreos/go-systemd/v22/dbus/dbus.go
+++ b/vendor/github.com/coreos/go-systemd/v22/dbus/dbus.go
@@ -16,6 +16,7 @@
 package dbus
 
 import (
+	"context"
 	"encoding/hex"
 	"fmt"
 	"os"
@@ -112,39 +113,63 @@ type Conn struct {
 
 // New establishes a connection to any available bus and authenticates.
 // Callers should call Close() when done with the connection.
+// Deprecated: use NewWithContext instead
 func New() (*Conn, error) {
-	conn, err := NewSystemConnection()
+	return NewWithContext(context.Background())
+}
+
+// NewWithContext same as New with context
+func NewWithContext(ctx context.Context) (*Conn, error) {
+	conn, err := NewSystemConnectionContext(ctx)
 	if err != nil && os.Geteuid() == 0 {
-		return NewSystemdConnection()
+		return NewSystemdConnectionContext(ctx)
 	}
 	return conn, err
 }
 
 // NewSystemConnection establishes a connection to the system bus and authenticates.
 // Callers should call Close() when done with the connection
+// Deprecated: use NewSystemConnectionContext instead
 func NewSystemConnection() (*Conn, error) {
+	return NewSystemConnectionContext(context.Background())
+}
+
+// NewSystemConnectionContext same as NewSystemConnection with context
+func NewSystemConnectionContext(ctx context.Context) (*Conn, error) {
 	return NewConnection(func() (*dbus.Conn, error) {
-		return dbusAuthHelloConnection(dbus.SystemBusPrivate)
+		return dbusAuthHelloConnection(ctx, dbus.SystemBusPrivate)
 	})
 }
 
 // NewUserConnection establishes a connection to the session bus and
 // authenticates. This can be used to connect to systemd user instances.
 // Callers should call Close() when done with the connection.
+// Deprecated: use NewUserConnectionContext instead
 func NewUserConnection() (*Conn, error) {
+	return NewUserConnectionContext(context.Background())
+}
+
+// NewUserConnectionContext same as NewUserConnection with context
+func NewUserConnectionContext(ctx context.Context) (*Conn, error) {
 	return NewConnection(func() (*dbus.Conn, error) {
-		return dbusAuthHelloConnection(dbus.SessionBusPrivate)
+		return dbusAuthHelloConnection(ctx, dbus.SessionBusPrivate)
 	})
 }
 
 // NewSystemdConnection establishes a private, direct connection to systemd.
 // This can be used for communicating with systemd without a dbus daemon.
 // Callers should call Close() when done with the connection.
+// Deprecated: use NewSystemdConnectionContext instead
 func NewSystemdConnection() (*Conn, error) {
+	return NewSystemdConnectionContext(context.Background())
+}
+
+// NewSystemdConnectionContext same as NewSystemdConnection with context
+func NewSystemdConnectionContext(ctx context.Context) (*Conn, error) {
 	return NewConnection(func() (*dbus.Conn, error) {
 		// We skip Hello when talking directly to systemd.
-		return dbusAuthConnection(func(opts ...dbus.ConnOption) (*dbus.Conn, error) {
-			return dbus.Dial("unix:path=/run/systemd/private")
+		return dbusAuthConnection(ctx, func(opts ...dbus.ConnOption) (*dbus.Conn, error) {
+			return dbus.Dial("unix:path=/run/systemd/private", opts...)
 		})
 	})
 }
@@ -201,8 +226,8 @@ func (c *Conn) GetManagerProperty(prop string) (string, error) {
 	return variant.String(), nil
 }
 
-func dbusAuthConnection(createBus func(opts ...dbus.ConnOption) (*dbus.Conn, error)) (*dbus.Conn, error) {
-	conn, err := createBus()
+func dbusAuthConnection(ctx context.Context, createBus func(opts ...dbus.ConnOption) (*dbus.Conn, error)) (*dbus.Conn, error) {
+	conn, err := createBus(dbus.WithContext(ctx))
 	if err != nil {
 		return nil, err
 	}
@@ -221,8 +246,8 @@ func dbusAuthConnection(createBus func(opts ...dbus.ConnOption) (*dbus.Conn, err
 	return conn, nil
 }
 
-func dbusAuthHelloConnection(createBus func(opts ...dbus.ConnOption) (*dbus.Conn, error)) (*dbus.Conn, error) {
-	conn, err := dbusAuthConnection(createBus)
+func dbusAuthHelloConnection(ctx context.Context, createBus func(opts ...dbus.ConnOption) (*dbus.Conn, error)) (*dbus.Conn, error) {
+	conn, err := dbusAuthConnection(ctx, createBus)
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/github.com/coreos/go-systemd/v22/dbus/methods.go b/vendor/github.com/coreos/go-systemd/v22/dbus/methods.go
index e38659d7b..679f244e8 100644
--- a/vendor/github.com/coreos/go-systemd/v22/dbus/methods.go
+++ b/vendor/github.com/coreos/go-systemd/v22/dbus/methods.go
@@ -15,6 +15,7 @@
 package dbus
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"path"
@@ -38,14 +39,14 @@ func (c *Conn) jobComplete(signal *dbus.Signal) {
 	c.jobListener.Unlock()
 }
 
-func (c *Conn) startJob(ch chan<- string, job string, args ...interface{}) (int, error) {
+func (c *Conn) startJob(ctx context.Context, ch chan<- string, job string, args ...interface{}) (int, error) {
 	if ch != nil {
 		c.jobListener.Lock()
 		defer c.jobListener.Unlock()
 	}
 
 	var p dbus.ObjectPath
-	err := c.sysobj.Call(job, 0, args...).Store(&p)
+	err := c.sysobj.CallWithContext(ctx, job, 0, args...).Store(&p)
 	if err != nil {
 		return 0, err
 	}
@@ -90,43 +91,85 @@ func (c *Conn) startJob(ch chan<- string, job string, args ...interface{}) (int,
 // should not be considered authoritative.
 //
 // If an error does occur, it will be returned to the user alongside a job ID of 0.
+// Deprecated: use StartUnitContext instead
 func (c *Conn) StartUnit(name string, mode string, ch chan<- string) (int, error) {
-	return c.startJob(ch, "org.freedesktop.systemd1.Manager.StartUnit", name, mode)
+	return c.StartUnitContext(context.Background(), name, mode, ch)
+}
+
+// StartUnitContext same as StartUnit with context
+func (c *Conn) StartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) {
+	return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.StartUnit", name, mode)
 }
 
 // StopUnit is similar to StartUnit but stops the specified unit rather
 // than starting it.
+// Deprecated: use StopUnitContext instead
 func (c *Conn) StopUnit(name string, mode string, ch chan<- string) (int, error) {
-	return c.startJob(ch, "org.freedesktop.systemd1.Manager.StopUnit", name, mode)
+	return c.StopUnitContext(context.Background(), name, mode, ch)
+}
+
+// StopUnitContext same as StopUnit with context
+func (c *Conn) StopUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) {
+	return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.StopUnit", name, mode)
 }
 
 // ReloadUnit reloads a unit.  Reloading is done only if the unit is already running and fails otherwise.
+// Deprecated: use ReloadUnitContext instead
 func (c *Conn) ReloadUnit(name string, mode string, ch chan<- string) (int, error) {
-	return c.startJob(ch, "org.freedesktop.systemd1.Manager.ReloadUnit", name, mode)
+	return c.ReloadUnitContext(context.Background(), name, mode, ch)
+}
+
+// ReloadUnitContext same as ReloadUnit with context
+func (c *Conn) ReloadUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) {
+	return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.ReloadUnit", name, mode)
 }
 
 // RestartUnit restarts a service.  If a service is restarted that isn't
 // running it will be started.
+// Deprecated: use RestartUnitContext instead
 func (c *Conn) RestartUnit(name string, mode string, ch chan<- string) (int, error) {
-	return c.startJob(ch, "org.freedesktop.systemd1.Manager.RestartUnit", name, mode)
+	return c.RestartUnitContext(context.Background(), name, mode, ch)
+}
+
+// RestartUnitContext same as RestartUnit with context
+func (c *Conn) RestartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) {
+	return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.RestartUnit", name, mode)
 }
 
 // TryRestartUnit is like RestartUnit, except that a service that isn't running
 // is not affected by the restart.
+// Deprecated: use TryRestartUnitContext instead
 func (c *Conn) TryRestartUnit(name string, mode string, ch chan<- string) (int, error) {
-	return c.startJob(ch, "org.freedesktop.systemd1.Manager.TryRestartUnit", name, mode)
+	return c.TryRestartUnitContext(context.Background(), name, mode, ch)
+}
+
+// TryRestartUnitContext same as TryRestartUnit with context
+func (c *Conn) TryRestartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) {
+	return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.TryRestartUnit", name, mode)
 }
 
 // ReloadOrRestartUnit attempts a reload if the unit supports it and use a restart
 // otherwise.
+// Deprecated: use ReloadOrRestartUnitContext instead
 func (c *Conn) ReloadOrRestartUnit(name string, mode string, ch chan<- string) (int, error) {
-	return c.startJob(ch, "org.freedesktop.systemd1.Manager.ReloadOrRestartUnit", name, mode)
+	return c.ReloadOrRestartUnitContext(context.Background(), name, mode, ch)
+}
+
+// ReloadOrRestartUnitContext same as ReloadOrRestartUnit with context
+func (c *Conn) ReloadOrRestartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) {
+	return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.ReloadOrRestartUnit", name, mode)
 }
 
 // ReloadOrTryRestartUnit attempts a reload if the unit supports it and use a "Try"
 // flavored restart otherwise.
+// Deprecated: use ReloadOrTryRestartUnitContext instead
 func (c *Conn) ReloadOrTryRestartUnit(name string, mode string, ch chan<- string) (int, error) {
-	return c.startJob(ch, "org.freedesktop.systemd1.Manager.ReloadOrTryRestartUnit", name, mode)
+	return c.ReloadOrTryRestartUnitContext(context.Background(), name, mode, ch)
+}
+
+// ReloadOrTryRestartUnitContext same as ReloadOrTryRestartUnit with context
+func (c *Conn) ReloadOrTryRestartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) {
+	return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.ReloadOrTryRestartUnit", name, mode)
 }
 
 // StartTransientUnit() may be used to create and start a transient unit, which
@@ -134,28 +177,52 @@ func (c *Conn) ReloadOrTryRestartUnit(name string, mode string, ch chan<- string
 // system is rebooted. name is the unit name including suffix, and must be
 // unique. mode is the same as in StartUnit(), properties contains properties
 // of the unit.
+// Deprecated: use StartTransientUnitContext instead
 func (c *Conn) StartTransientUnit(name string, mode string, properties []Property, ch chan<- string) (int, error) {
-	return c.startJob(ch, "org.freedesktop.systemd1.Manager.StartTransientUnit", name, mode, properties, make([]PropertyCollection, 0))
+	return c.StartTransientUnitContext(context.Background(), name, mode, properties, ch)
+}
+
+// StartTransientUnitContext same as StartTransientUnit with context
+func (c *Conn) StartTransientUnitContext(ctx context.Context, name string, mode string, properties []Property, ch chan<- string) (int, error) {
+	return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.StartTransientUnit", name, mode, properties, make([]PropertyCollection, 0))
 }
 
 // KillUnit takes the unit name and a UNIX signal number to send.  All of the unit's
 // processes are killed.
+// Deprecated: use KillUnitContext instead
 func (c *Conn) KillUnit(name string, signal int32) {
-	c.sysobj.Call("org.freedesktop.systemd1.Manager.KillUnit", 0, name, "all", signal).Store()
+	c.KillUnitContext(context.Background(), name, signal)
+}
+
+// KillUnitContext same as KillUnit with context
+func (c *Conn) KillUnitContext(ctx context.Context, name string, signal int32) {
+	c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.KillUnit", 0, name, "all", signal).Store()
 }
 
 // ResetFailedUnit resets the "failed" state of a specific unit.
+// Deprecated: use ResetFailedUnitContext instead
 func (c *Conn) ResetFailedUnit(name string) error {
-	return c.sysobj.Call("org.freedesktop.systemd1.Manager.ResetFailedUnit", 0, name).Store()
+	return c.ResetFailedUnitContext(context.Background(), name)
+}
+
+// ResetFailedUnitContext same as ResetFailedUnit with context
+func (c *Conn) ResetFailedUnitContext(ctx context.Context, name string) error {
+	return c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ResetFailedUnit", 0, name).Store()
 }
 
 // SystemState returns the systemd state. Equivalent to `systemctl is-system-running`.
+// Deprecated: use SystemStateContext instead
 func (c *Conn) SystemState() (*Property, error) {
+	return c.SystemStateContext(context.Background())
+}
+
+// SystemStateContext same as SystemState with context
+func (c *Conn) SystemStateContext(ctx context.Context) (*Property, error) {
 	var err error
 	var prop dbus.Variant
 
 	obj := c.sysconn.Object("org.freedesktop.systemd1", "/org/freedesktop/systemd1")
-	err = obj.Call("org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.systemd1.Manager", "SystemState").Store(&prop)
+	err = obj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.systemd1.Manager", "SystemState").Store(&prop)
 	if err != nil {
 		return nil, err
 	}
@@ -164,7 +231,7 @@ func (c *Conn) SystemState() (*Property, error) {
 }
 
 // getProperties takes the unit path and returns all of its dbus object properties, for the given dbus interface
-func (c *Conn) getProperties(path dbus.ObjectPath, dbusInterface string) (map[string]interface{}, error) {
+func (c *Conn) getProperties(ctx context.Context, path dbus.ObjectPath, dbusInterface string) (map[string]interface{}, error) {
 	var err error
 	var props map[string]dbus.Variant
 
@@ -173,7 +240,7 @@ func (c *Conn) getProperties(path dbus.ObjectPath, dbusInterface string) (map[st
 	}
 
 	obj := c.sysconn.Object("org.freedesktop.systemd1", path)
-	err = obj.Call("org.freedesktop.DBus.Properties.GetAll", 0, dbusInterface).Store(&props)
+	err = obj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.GetAll", 0, dbusInterface).Store(&props)
 	if err != nil {
 		return nil, err
 	}
@@ -187,23 +254,41 @@ func (c *Conn) getProperties(path dbus.ObjectPath, dbusInterface string) (map[st
 }
 
 // GetUnitProperties takes the (unescaped) unit name and returns all of its dbus object properties.
+// Deprecated: use GetUnitPropertiesContext instead
 func (c *Conn) GetUnitProperties(unit string) (map[string]interface{}, error) {
+	return c.GetUnitPropertiesContext(context.Background(), unit)
+}
+
+// GetUnitPropertiesContext same as GetUnitPropertiesContext with context
+func (c *Conn) GetUnitPropertiesContext(ctx context.Context, unit string) (map[string]interface{}, error) {
 	path := unitPath(unit)
-	return c.getProperties(path, "org.freedesktop.systemd1.Unit")
+	return c.getProperties(ctx, path, "org.freedesktop.systemd1.Unit")
 }
 
 // GetUnitPathProperties takes the (escaped) unit path and returns all of its dbus object properties.
+// Deprecated: use GetUnitPathPropertiesContext instead
 func (c *Conn) GetUnitPathProperties(path dbus.ObjectPath) (map[string]interface{}, error) {
-	return c.getProperties(path, "org.freedesktop.systemd1.Unit")
+	return c.GetUnitPathPropertiesContext(context.Background(), path)
+}
+
+// GetUnitPathPropertiesContext same as GetUnitPathProperties with context
+func (c *Conn) GetUnitPathPropertiesContext(ctx context.Context, path dbus.ObjectPath) (map[string]interface{}, error) {
+	return c.getProperties(ctx, path, "org.freedesktop.systemd1.Unit")
 }
 
 // GetAllProperties takes the (unescaped) unit name and returns all of its dbus object properties.
+// Deprecated: use GetAllPropertiesContext instead
 func (c *Conn) GetAllProperties(unit string) (map[string]interface{}, error) {
+	return c.GetAllPropertiesContext(context.Background(), unit)
+}
+
+// GetAllPropertiesContext same as GetAllProperties with context
+func (c *Conn) GetAllPropertiesContext(ctx context.Context, unit string) (map[string]interface{}, error) {
 	path := unitPath(unit)
-	return c.getProperties(path, "")
+	return c.getProperties(ctx, path, "")
 }
 
-func (c *Conn) getProperty(unit string, dbusInterface string, propertyName string) (*Property, error) {
+func (c *Conn) getProperty(ctx context.Context, unit string, dbusInterface string, propertyName string) (*Property, error) {
 	var err error
 	var prop dbus.Variant
 
@@ -213,7 +298,7 @@ func (c *Conn) getProperty(unit string, dbusInterface string, propertyName strin
 	}
 
 	obj := c.sysconn.Object("org.freedesktop.systemd1", path)
-	err = obj.Call("org.freedesktop.DBus.Properties.Get", 0, dbusInterface, propertyName).Store(&prop)
+	err = obj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, dbusInterface, propertyName).Store(&prop)
 	if err != nil {
 		return nil, err
 	}
@@ -221,21 +306,39 @@ func (c *Conn) getProperty(unit string, dbusInterface string, propertyName strin
 	return &Property{Name: propertyName, Value: prop}, nil
 }
 
+// Deprecated: use GetUnitPropertyContext instead
 func (c *Conn) GetUnitProperty(unit string, propertyName string) (*Property, error) {
-	return c.getProperty(unit, "org.freedesktop.systemd1.Unit", propertyName)
+	return c.GetUnitPropertyContext(context.Background(), unit, propertyName)
+}
+
+// GetUnitPropertyContext same as GetUnitProperty with context
+func (c *Conn) GetUnitPropertyContext(ctx context.Context, unit string, propertyName string) (*Property, error) {
+	return c.getProperty(ctx, unit, "org.freedesktop.systemd1.Unit", propertyName)
 }
 
 // GetServiceProperty returns property for given service name and property name
+// Deprecated: use GetServicePropertyContext instead
 func (c *Conn) GetServiceProperty(service string, propertyName string) (*Property, error) {
-	return c.getProperty(service, "org.freedesktop.systemd1.Service", propertyName)
+	return c.GetServicePropertyContext(context.Background(), service, propertyName)
+}
+
+// GetServicePropertyContext same as GetServiceProperty with context
+func (c *Conn) GetServicePropertyContext(ctx context.Context, service string, propertyName string) (*Property, error) {
+	return c.getProperty(ctx, service, "org.freedesktop.systemd1.Service", propertyName)
 }
 
 // GetUnitTypeProperties returns the extra properties for a unit, specific to the unit type.
 // Valid values for unitType: Service, Socket, Target, Device, Mount, Automount, Snapshot, Timer, Swap, Path, Slice, Scope
 // return "dbus.Error: Unknown interface" if the unitType is not the correct type of the unit
+// Deprecated: use GetUnitTypePropertiesContext instead
 func (c *Conn) GetUnitTypeProperties(unit string, unitType string) (map[string]interface{}, error) {
+	return c.GetUnitTypePropertiesContext(context.Background(), unit, unitType)
+}
+
+// GetUnitTypePropertiesContext same as GetUnitTypeProperties with context
+func (c *Conn) GetUnitTypePropertiesContext(ctx context.Context, unit string, unitType string) (map[string]interface{}, error) {
 	path := unitPath(unit)
-	return c.getProperties(path, "org.freedesktop.systemd1."+unitType)
+	return c.getProperties(ctx, path, "org.freedesktop.systemd1."+unitType)
 }
 
 // SetUnitProperties() may be used to modify certain unit properties at runtime.
@@ -245,12 +348,24 @@ func (c *Conn) GetUnitTypeProperties(unit string, unitType string) (map[string]i
 // case the settings only apply until the next reboot. name is the name of the unit
 // to modify. properties are the settings to set, encoded as an array of property
 // name and value pairs.
+// Deprecated: use SetUnitPropertiesContext instead
 func (c *Conn) SetUnitProperties(name string, runtime bool, properties ...Property) error {
-	return c.sysobj.Call("org.freedesktop.systemd1.Manager.SetUnitProperties", 0, name, runtime, properties).Store()
+	return c.SetUnitPropertiesContext(context.Background(), name, runtime, properties...)
+}
+
+// SetUnitPropertiesContext same as SetUnitProperties with context
+func (c *Conn) SetUnitPropertiesContext(ctx context.Context, name string, runtime bool, properties ...Property) error {
+	return c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.SetUnitProperties", 0, name, runtime, properties).Store()
 }
 
+// Deprecated: use GetUnitTypePropertyContext instead
 func (c *Conn) GetUnitTypeProperty(unit string, unitType string, propertyName string) (*Property, error) {
-	return c.getProperty(unit, "org.freedesktop.systemd1."+unitType, propertyName)
+	return c.GetUnitTypePropertyContext(context.Background(), unitType, unitType, propertyName)
+}
+
+// GetUnitTypePropertyContext same as GetUnitTypeProperty with context
+func (c *Conn) GetUnitTypePropertyContext(ctx context.Context, unit string, unitType string, propertyName string) (*Property, error) {
+	return c.getProperty(ctx, unit, "org.freedesktop.systemd1."+unitType, propertyName)
 }
 
 type UnitStatus struct {
@@ -299,22 +414,40 @@ func (c *Conn) listUnitsInternal(f storeFunc) ([]UnitStatus, error) {
 // be more unit names loaded than actual units behind them.
 // Also note that a unit is only loaded if it is active and/or enabled.
 // Units that are both disabled and inactive will thus not be returned.
+// Deprecated: use ListUnitsContext instead
 func (c *Conn) ListUnits() ([]UnitStatus, error) {
-	return c.listUnitsInternal(c.sysobj.Call("org.freedesktop.systemd1.Manager.ListUnits", 0).Store)
+	return c.ListUnitsContext(context.Background())
+}
+
+// ListUnitsContext same as ListUnits with context
+func (c *Conn) ListUnitsContext(ctx context.Context) ([]UnitStatus, error) {
+	return c.listUnitsInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnits", 0).Store)
 }
 
 // ListUnitsFiltered returns an array with units filtered by state.
 // It takes a list of units' statuses to filter.
+// Deprecated: use ListUnitsFilteredContext instead
 func (c *Conn) ListUnitsFiltered(states []string) ([]UnitStatus, error) {
-	return c.listUnitsInternal(c.sysobj.Call("org.freedesktop.systemd1.Manager.ListUnitsFiltered", 0, states).Store)
+	return c.ListUnitsFilteredContext(context.Background(), states)
+}
+
+// ListUnitsFilteredContext same as ListUnitsFiltered with context
+func (c *Conn) ListUnitsFilteredContext(ctx context.Context, states []string) ([]UnitStatus, error) {
+	return c.listUnitsInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitsFiltered", 0, states).Store)
 }
 
 // ListUnitsByPatterns returns an array with units.
 // It takes a list of units' statuses and names to filter.
 // Note that units may be known by multiple names at the same time,
 // and hence there might be more unit names loaded than actual units behind them.
+// Deprecated: use ListUnitsByPatternsContext instead
 func (c *Conn) ListUnitsByPatterns(states []string, patterns []string) ([]UnitStatus, error) {
-	return c.listUnitsInternal(c.sysobj.Call("org.freedesktop.systemd1.Manager.ListUnitsByPatterns", 0, states, patterns).Store)
+	return c.ListUnitsByPatternsContext(context.Background(), states, patterns)
+}
+
+// ListUnitsByPatternsContext same as ListUnitsByPatterns with context
+func (c *Conn) ListUnitsByPatternsContext(ctx context.Context, states []string, patterns []string) ([]UnitStatus, error) {
+	return c.listUnitsInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitsByPatterns", 0, states, patterns).Store)
 }
 
 // ListUnitsByNames returns an array with units. It takes a list of units'
@@ -322,8 +455,14 @@ func (c *Conn) ListUnitsByPatterns(states []string, patterns []string) ([]UnitSt
 // method, this method returns statuses even for inactive or non-existing
 // units. Input array should contain exact unit names, but not patterns.
 // Note: Requires systemd v230 or higher
+// Deprecated: use ListUnitsByNamesContext instead
 func (c *Conn) ListUnitsByNames(units []string) ([]UnitStatus, error) {
-	return c.listUnitsInternal(c.sysobj.Call("org.freedesktop.systemd1.Manager.ListUnitsByNames", 0, units).Store)
+	return c.ListUnitsByNamesContext(context.Background(), units)
+}
+
+// ListUnitsByNamesContext same as ListUnitsByNames with context
+func (c *Conn) ListUnitsByNamesContext(ctx context.Context, units []string) ([]UnitStatus, error) {
+	return c.listUnitsInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitsByNames", 0, units).Store)
 }
 
 type UnitFile struct {
@@ -358,13 +497,25 @@ func (c *Conn) listUnitFilesInternal(f storeFunc) ([]UnitFile, error) {
 }
 
 // ListUnitFiles returns an array of all available units on disk.
+// Deprecated: use ListUnitFilesContext instead
 func (c *Conn) ListUnitFiles() ([]UnitFile, error) {
-	return c.listUnitFilesInternal(c.sysobj.Call("org.freedesktop.systemd1.Manager.ListUnitFiles", 0).Store)
+	return c.ListUnitFilesContext(context.Background())
+}
+
+// ListUnitFilesContext same as ListUnitFiles with context
+func (c *Conn) ListUnitFilesContext(ctx context.Context) ([]UnitFile, error) {
+	return c.listUnitFilesInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitFiles", 0).Store)
 }
 
 // ListUnitFilesByPatterns returns an array of all available units on disk matched the patterns.
+// Deprecated: use ListUnitFilesByPatternsContext instead
 func (c *Conn) ListUnitFilesByPatterns(states []string, patterns []string) ([]UnitFile, error) {
-	return c.listUnitFilesInternal(c.sysobj.Call("org.freedesktop.systemd1.Manager.ListUnitFilesByPatterns", 0, states, patterns).Store)
+	return c.ListUnitFilesByPatternsContext(context.Background(), states, patterns)
+}
+
+// ListUnitFilesByPatternsContext same as ListUnitFilesByPatterns with context
+func (c *Conn) ListUnitFilesByPatternsContext(ctx context.Context, states []string, patterns []string) ([]UnitFile, error) {
+	return c.listUnitFilesInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitFilesByPatterns", 0, states, patterns).Store)
 }
 
 type LinkUnitFileChange EnableUnitFileChange
@@ -383,9 +534,15 @@ type LinkUnitFileChange EnableUnitFileChange
 // structures with three strings: the type of the change (one of symlink
 // or unlink), the file name of the symlink and the destination of the
 // symlink.
+// Deprecated: use LinkUnitFilesContext instead
 func (c *Conn) LinkUnitFiles(files []string, runtime bool, force bool) ([]LinkUnitFileChange, error) {
+	return c.LinkUnitFilesContext(context.Background(), files, runtime, force)
+}
+
+// LinkUnitFilesContext same as LinkUnitFiles with context
+func (c *Conn) LinkUnitFilesContext(ctx context.Context, files []string, runtime bool, force bool) ([]LinkUnitFileChange, error) {
 	result := make([][]interface{}, 0)
-	err := c.sysobj.Call("org.freedesktop.systemd1.Manager.LinkUnitFiles", 0, files, runtime, force).Store(&result)
+	err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.LinkUnitFiles", 0, files, runtime, force).Store(&result)
 	if err != nil {
 		return nil, err
 	}
@@ -425,11 +582,17 @@ func (c *Conn) LinkUnitFiles(files []string, runtime bool, force bool) ([]LinkUn
 // structures with three strings: the type of the change (one of symlink
 // or unlink), the file name of the symlink and the destination of the
 // symlink.
+// Deprecated: use EnableUnitFilesContext instead
 func (c *Conn) EnableUnitFiles(files []string, runtime bool, force bool) (bool, []EnableUnitFileChange, error) {
+	return c.EnableUnitFilesContext(context.Background(), files, runtime, force)
+}
+
+// EnableUnitFilesContext same as EnableUnitFiles with context
+func (c *Conn) EnableUnitFilesContext(ctx context.Context, files []string, runtime bool, force bool) (bool, []EnableUnitFileChange, error) {
 	var carries_install_info bool
 
 	result := make([][]interface{}, 0)
-	err := c.sysobj.Call("org.freedesktop.systemd1.Manager.EnableUnitFiles", 0, files, runtime, force).Store(&carries_install_info, &result)
+	err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.EnableUnitFiles", 0, files, runtime, force).Store(&carries_install_info, &result)
 	if err != nil {
 		return false, nil, err
 	}
@@ -471,9 +634,15 @@ type EnableUnitFileChange struct {
 // consists of structures with three strings: the type of the change (one of
 // symlink or unlink), the file name of the symlink and the destination of the
 // symlink.
+// Deprecated: use DisableUnitFilesContext instead
 func (c *Conn) DisableUnitFiles(files []string, runtime bool) ([]DisableUnitFileChange, error) {
+	return c.DisableUnitFilesContext(context.Background(), files, runtime)
+}
+
+// DisableUnitFilesContext same as DisableUnitFiles with context
+func (c *Conn) DisableUnitFilesContext(ctx context.Context, files []string, runtime bool) ([]DisableUnitFileChange, error) {
 	result := make([][]interface{}, 0)
-	err := c.sysobj.Call("org.freedesktop.systemd1.Manager.DisableUnitFiles", 0, files, runtime).Store(&result)
+	err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.DisableUnitFiles", 0, files, runtime).Store(&result)
 	if err != nil {
 		return nil, err
 	}
@@ -512,9 +681,15 @@ type DisableUnitFileChange struct {
 //   * runtime to specify whether the unit was enabled for runtime
 //     only (true, /run/systemd/..), or persistently (false, /etc/systemd/..)
 //   * force flag
+// Deprecated: use MaskUnitFilesContext instead
 func (c *Conn) MaskUnitFiles(files []string, runtime bool, force bool) ([]MaskUnitFileChange, error) {
+	return c.MaskUnitFilesContext(context.Background(), files, runtime, force)
+}
+
+// MaskUnitFilesContext same as MaskUnitFiles with context
+func (c *Conn) MaskUnitFilesContext(ctx context.Context, files []string, runtime bool, force bool) ([]MaskUnitFileChange, error) {
 	result := make([][]interface{}, 0)
-	err := c.sysobj.Call("org.freedesktop.systemd1.Manager.MaskUnitFiles", 0, files, runtime, force).Store(&result)
+	err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.MaskUnitFiles", 0, files, runtime, force).Store(&result)
 	if err != nil {
 		return nil, err
 	}
@@ -552,9 +727,15 @@ type MaskUnitFileChange struct {
 //     the usual unit search paths)
 //   * runtime to specify whether the unit was enabled for runtime
 //     only (true, /run/systemd/..), or persistently (false, /etc/systemd/..)
+// Deprecated: use UnmaskUnitFilesContext instead
 func (c *Conn) UnmaskUnitFiles(files []string, runtime bool) ([]UnmaskUnitFileChange, error) {
+	return c.UnmaskUnitFilesContext(context.Background(), files, runtime)
+}
+
+// UnmaskUnitFilesContext same as UnmaskUnitFiles with context
+func (c *Conn) UnmaskUnitFilesContext(ctx context.Context, files []string, runtime bool) ([]UnmaskUnitFileChange, error) {
 	result := make([][]interface{}, 0)
-	err := c.sysobj.Call("org.freedesktop.systemd1.Manager.UnmaskUnitFiles", 0, files, runtime).Store(&result)
+	err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.UnmaskUnitFiles", 0, files, runtime).Store(&result)
 	if err != nil {
 		return nil, err
 	}
@@ -586,8 +767,14 @@ type UnmaskUnitFileChange struct {
 
 // Reload instructs systemd to scan for and reload unit files. This is
 // equivalent to a 'systemctl daemon-reload'.
+// Deprecated: use ReloadContext instead
 func (c *Conn) Reload() error {
-	return c.sysobj.Call("org.freedesktop.systemd1.Manager.Reload", 0).Store()
+	return c.ReloadContext(context.Background())
+}
+
+// ReloadContext same as Reload with context
+func (c *Conn) ReloadContext(ctx context.Context) error {
+	return c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.Reload", 0).Store()
 }
 
 func unitPath(name string) dbus.ObjectPath {
@@ -598,3 +785,48 @@ func unitPath(name string) dbus.ObjectPath {
 func unitName(dpath dbus.ObjectPath) string {
 	return pathBusUnescape(path.Base(string(dpath)))
 }
+
+// Currently queued job definition
+type JobStatus struct {
+	Id       uint32          // The numeric job id
+	Unit     string          // The primary unit name for this job
+	JobType  string          // The job type as string
+	Status   string          // The job state as string
+	JobPath  dbus.ObjectPath // The job object path
+	UnitPath dbus.ObjectPath // The unit object path
+}
+
+// ListJobs returns an array with all currently queued jobs
+// Deprecated: use ListJobsContext instead
+func (c *Conn) ListJobs() ([]JobStatus, error) {
+	return c.ListJobsContext(context.Background())
+}
+
+// ListJobsContext same as ListJobs with context
+func (c *Conn) ListJobsContext(ctx context.Context) ([]JobStatus, error) {
+	return c.listJobsInternal(ctx)
+}
+
+func (c *Conn) listJobsInternal(ctx context.Context) ([]JobStatus, error) {
+	result := make([][]interface{}, 0)
+	if err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListJobs", 0).Store(&result); err != nil {
+		return nil, err
+	}
+
+	resultInterface := make([]interface{}, len(result))
+	for i := range result {
+		resultInterface[i] = result[i]
+	}
+
+	status := make([]JobStatus, len(result))
+	statusInterface := make([]interface{}, len(status))
+	for i := range status {
+		statusInterface[i] = &status[i]
+	}
+
+	if err := dbus.Store(resultInterface, statusInterface...); err != nil {
+		return nil, err
+	}
+
+	return status, nil
+}
diff --git a/vendor/github.com/coreos/go-systemd/v22/journal/journal.go b/vendor/github.com/coreos/go-systemd/v22/journal/journal.go
index a0f4837a0..ac24c7767 100644
--- a/vendor/github.com/coreos/go-systemd/v22/journal/journal.go
+++ b/vendor/github.com/coreos/go-systemd/v22/journal/journal.go
@@ -23,20 +23,7 @@
 package journal
 
 import (
-	"bytes"
-	"encoding/binary"
-	"errors"
 	"fmt"
-	"io"
-	"io/ioutil"
-	"net"
-	"os"
-	"strconv"
-	"strings"
-	"sync"
-	"sync/atomic"
-	"syscall"
-	"unsafe"
 )
 
 // Priority of a journal message
@@ -53,173 +40,7 @@ const (
 	PriDebug
 )
 
-var (
-	// This can be overridden at build-time:
-	// https://github.com/golang/go/wiki/GcToolchainTricks#including-build-information-in-the-executable
-	journalSocket = "/run/systemd/journal/socket"
-
-	// unixConnPtr atomically holds the local unconnected Unix-domain socket.
-	// Concrete safe pointer type: *net.UnixConn
-	unixConnPtr unsafe.Pointer
-	// onceConn ensures that unixConnPtr is initialized exactly once.
-	onceConn sync.Once
-)
-
-func init() {
-	onceConn.Do(initConn)
-}
-
-// Enabled checks whether the local systemd journal is available for logging.
-func Enabled() bool {
-	onceConn.Do(initConn)
-
-	if (*net.UnixConn)(atomic.LoadPointer(&unixConnPtr)) == nil {
-		return false
-	}
-
-	if _, err := net.Dial("unixgram", journalSocket); err != nil {
-		return false
-	}
-
-	return true
-}
-
-// Send a message to the local systemd journal. vars is a map of journald
-// fields to values.  Fields must be composed of uppercase letters, numbers,
-// and underscores, but must not start with an underscore. Within these
-// restrictions, any arbitrary field name may be used.  Some names have special
-// significance: see the journalctl documentation
-// (http://www.freedesktop.org/software/systemd/man/systemd.journal-fields.html)
-// for more details.  vars may be nil.
-func Send(message string, priority Priority, vars map[string]string) error {
-	conn := (*net.UnixConn)(atomic.LoadPointer(&unixConnPtr))
-	if conn == nil {
-		return errors.New("could not initialize socket to journald")
-	}
-
-	socketAddr := &net.UnixAddr{
-		Name: journalSocket,
-		Net:  "unixgram",
-	}
-
-	data := new(bytes.Buffer)
-	appendVariable(data, "PRIORITY", strconv.Itoa(int(priority)))
-	appendVariable(data, "MESSAGE", message)
-	for k, v := range vars {
-		appendVariable(data, k, v)
-	}
-
-	_, _, err := conn.WriteMsgUnix(data.Bytes(), nil, socketAddr)
-	if err == nil {
-		return nil
-	}
-	if !isSocketSpaceError(err) {
-		return err
-	}
-
-	// Large log entry, send it via tempfile and ancillary-fd.
-	file, err := tempFd()
-	if err != nil {
-		return err
-	}
-	defer file.Close()
-	_, err = io.Copy(file, data)
-	if err != nil {
-		return err
-	}
-	rights := syscall.UnixRights(int(file.Fd()))
-	_, _, err = conn.WriteMsgUnix([]byte{}, rights, socketAddr)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
 // Print prints a message to the local systemd journal using Send().
 func Print(priority Priority, format string, a ...interface{}) error {
 	return Send(fmt.Sprintf(format, a...), priority, nil)
 }
-
-func appendVariable(w io.Writer, name, value string) {
-	if err := validVarName(name); err != nil {
-		fmt.Fprintf(os.Stderr, "variable name %s contains invalid character, ignoring\n", name)
-	}
-	if strings.ContainsRune(value, '\n') {
-		/* When the value contains a newline, we write:
-		 * - the variable name, followed by a newline
-		 * - the size (in 64bit little endian format)
-		 * - the data, followed by a newline
-		 */
-		fmt.Fprintln(w, name)
-		binary.Write(w, binary.LittleEndian, uint64(len(value)))
-		fmt.Fprintln(w, value)
-	} else {
-		/* just write the variable and value all on one line */
-		fmt.Fprintf(w, "%s=%s\n", name, value)
-	}
-}
-
-// validVarName validates a variable name to make sure journald will accept it.
-// The variable name must be in uppercase and consist only of characters,
-// numbers and underscores, and may not begin with an underscore:
-// https://www.freedesktop.org/software/systemd/man/sd_journal_print.html
-func validVarName(name string) error {
-	if name == "" {
-		return errors.New("Empty variable name")
-	} else if name[0] == '_' {
-		return errors.New("Variable name begins with an underscore")
-	}
-
-	for _, c := range name {
-		if !(('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || c == '_') {
-			return errors.New("Variable name contains invalid characters")
-		}
-	}
-	return nil
-}
-
-// isSocketSpaceError checks whether the error is signaling
-// an "overlarge message" condition.
-func isSocketSpaceError(err error) bool {
-	opErr, ok := err.(*net.OpError)
-	if !ok || opErr == nil {
-		return false
-	}
-
-	sysErr, ok := opErr.Err.(*os.SyscallError)
-	if !ok || sysErr == nil {
-		return false
-	}
-
-	return sysErr.Err == syscall.EMSGSIZE || sysErr.Err == syscall.ENOBUFS
-}
-
-// tempFd creates a temporary, unlinked file under `/dev/shm`.
-func tempFd() (*os.File, error) {
-	file, err := ioutil.TempFile("/dev/shm/", "journal.XXXXX")
-	if err != nil {
-		return nil, err
-	}
-	err = syscall.Unlink(file.Name())
-	if err != nil {
-		return nil, err
-	}
-	return file, nil
-}
-
-// initConn initializes the global `unixConnPtr` socket.
-// It is meant to be called exactly once, at program startup.
-func initConn() {
-	autobind, err := net.ResolveUnixAddr("unixgram", "")
-	if err != nil {
-		return
-	}
-
-	sock, err := net.ListenUnixgram("unixgram", autobind)
-	if err != nil {
-		return
-	}
-
-	atomic.StorePointer(&unixConnPtr, unsafe.Pointer(sock))
-}
diff --git a/vendor/github.com/coreos/go-systemd/v22/journal/journal_unix.go b/vendor/github.com/coreos/go-systemd/v22/journal/journal_unix.go
new file mode 100644
index 000000000..7233ecfc7
--- /dev/null
+++ b/vendor/github.com/coreos/go-systemd/v22/journal/journal_unix.go
@@ -0,0 +1,208 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !windows
+
+// Package journal provides write bindings to the local systemd journal.
+// It is implemented in pure Go and connects to the journal directly over its
+// unix socket.
+//
+// To read from the journal, see the "sdjournal" package, which wraps the
+// sd-journal a C API.
+//
+// http://www.freedesktop.org/software/systemd/man/systemd-journald.service.html
+package journal
+
+import (
+	"bytes"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net"
+	"os"
+	"strconv"
+	"strings"
+	"sync"
+	"sync/atomic"
+	"syscall"
+	"unsafe"
+)
+
+var (
+	// This can be overridden at build-time:
+	// https://github.com/golang/go/wiki/GcToolchainTricks#including-build-information-in-the-executable
+	journalSocket = "/run/systemd/journal/socket"
+
+	// unixConnPtr atomically holds the local unconnected Unix-domain socket.
+	// Concrete safe pointer type: *net.UnixConn
+	unixConnPtr unsafe.Pointer
+	// onceConn ensures that unixConnPtr is initialized exactly once.
+	onceConn sync.Once
+)
+
+func init() {
+	onceConn.Do(initConn)
+}
+
+// Enabled checks whether the local systemd journal is available for logging.
+func Enabled() bool {
+	onceConn.Do(initConn)
+
+	if (*net.UnixConn)(atomic.LoadPointer(&unixConnPtr)) == nil {
+		return false
+	}
+
+	if _, err := net.Dial("unixgram", journalSocket); err != nil {
+		return false
+	}
+
+	return true
+}
+
+// Send a message to the local systemd journal. vars is a map of journald
+// fields to values.  Fields must be composed of uppercase letters, numbers,
+// and underscores, but must not start with an underscore. Within these
+// restrictions, any arbitrary field name may be used.  Some names have special
+// significance: see the journalctl documentation
+// (http://www.freedesktop.org/software/systemd/man/systemd.journal-fields.html)
+// for more details.  vars may be nil.
+func Send(message string, priority Priority, vars map[string]string) error {
+	conn := (*net.UnixConn)(atomic.LoadPointer(&unixConnPtr))
+	if conn == nil {
+		return errors.New("could not initialize socket to journald")
+	}
+
+	socketAddr := &net.UnixAddr{
+		Name: journalSocket,
+		Net:  "unixgram",
+	}
+
+	data := new(bytes.Buffer)
+	appendVariable(data, "PRIORITY", strconv.Itoa(int(priority)))
+	appendVariable(data, "MESSAGE", message)
+	for k, v := range vars {
+		appendVariable(data, k, v)
+	}
+
+	_, _, err := conn.WriteMsgUnix(data.Bytes(), nil, socketAddr)
+	if err == nil {
+		return nil
+	}
+	if !isSocketSpaceError(err) {
+		return err
+	}
+
+	// Large log entry, send it via tempfile and ancillary-fd.
+	file, err := tempFd()
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+	_, err = io.Copy(file, data)
+	if err != nil {
+		return err
+	}
+	rights := syscall.UnixRights(int(file.Fd()))
+	_, _, err = conn.WriteMsgUnix([]byte{}, rights, socketAddr)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func appendVariable(w io.Writer, name, value string) {
+	if err := validVarName(name); err != nil {
+		fmt.Fprintf(os.Stderr, "variable name %s contains invalid character, ignoring\n", name)
+	}
+	if strings.ContainsRune(value, '\n') {
+		/* When the value contains a newline, we write:
+		 * - the variable name, followed by a newline
+		 * - the size (in 64bit little endian format)
+		 * - the data, followed by a newline
+		 */
+		fmt.Fprintln(w, name)
+		binary.Write(w, binary.LittleEndian, uint64(len(value)))
+		fmt.Fprintln(w, value)
+	} else {
+		/* just write the variable and value all on one line */
+		fmt.Fprintf(w, "%s=%s\n", name, value)
+	}
+}
+
+// validVarName validates a variable name to make sure journald will accept it.
+// The variable name must be in uppercase and consist only of characters,
+// numbers and underscores, and may not begin with an underscore:
+// https://www.freedesktop.org/software/systemd/man/sd_journal_print.html
+func validVarName(name string) error {
+	if name == "" {
+		return errors.New("Empty variable name")
+	} else if name[0] == '_' {
+		return errors.New("Variable name begins with an underscore")
+	}
+
+	for _, c := range name {
+		if !(('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || c == '_') {
+			return errors.New("Variable name contains invalid characters")
+		}
+	}
+	return nil
+}
+
+// isSocketSpaceError checks whether the error is signaling
+// an "overlarge message" condition.
+func isSocketSpaceError(err error) bool {
+	opErr, ok := err.(*net.OpError)
+	if !ok || opErr == nil {
+		return false
+	}
+
+	sysErr, ok := opErr.Err.(*os.SyscallError)
+	if !ok || sysErr == nil {
+		return false
+	}
+
+	return sysErr.Err == syscall.EMSGSIZE || sysErr.Err == syscall.ENOBUFS
+}
+
+// tempFd creates a temporary, unlinked file under `/dev/shm`.
+func tempFd() (*os.File, error) {
+	file, err := ioutil.TempFile("/dev/shm/", "journal.XXXXX")
+	if err != nil {
+		return nil, err
+	}
+	err = syscall.Unlink(file.Name())
+	if err != nil {
+		return nil, err
+	}
+	return file, nil
+}
+
+// initConn initializes the global `unixConnPtr` socket.
+// It is meant to be called exactly once, at program startup.
+func initConn() {
+	autobind, err := net.ResolveUnixAddr("unixgram", "")
+	if err != nil {
+		return
+	}
+
+	sock, err := net.ListenUnixgram("unixgram", autobind)
+	if err != nil {
+		return
+	}
+
+	atomic.StorePointer(&unixConnPtr, unsafe.Pointer(sock))
+}
diff --git a/vendor/github.com/coreos/go-systemd/v22/journal/journal_windows.go b/vendor/github.com/coreos/go-systemd/v22/journal/journal_windows.go
new file mode 100644
index 000000000..677aca68e
--- /dev/null
+++ b/vendor/github.com/coreos/go-systemd/v22/journal/journal_windows.go
@@ -0,0 +1,35 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package journal provides write bindings to the local systemd journal.
+// It is implemented in pure Go and connects to the journal directly over its
+// unix socket.
+//
+// To read from the journal, see the "sdjournal" package, which wraps the
+// sd-journal a C API.
+//
+// http://www.freedesktop.org/software/systemd/man/systemd-journald.service.html
+package journal
+
+import (
+	"errors"
+)
+
+func Enabled() bool {
+	return false
+}
+
+func Send(message string, priority Priority, vars map[string]string) error {
+	return errors.New("could not initialize socket to journald")
+}
diff --git a/vendor/github.com/coreos/go-systemd/v22/sdjournal/journal.go b/vendor/github.com/coreos/go-systemd/v22/sdjournal/journal.go
index 7f840def8..c61a2025f 100644
--- a/vendor/github.com/coreos/go-systemd/v22/sdjournal/journal.go
+++ b/vendor/github.com/coreos/go-systemd/v22/sdjournal/journal.go
@@ -300,6 +300,24 @@ package sdjournal
 //   return sd_journal_get_catalog(j, ret);
 // }
 //
+// int
+// my_sd_id128_get_boot(void *f, sd_id128_t *boot_id)
+// {
+//   int(*sd_id128_get_boot)(sd_id128_t *);
+//
+//   sd_id128_get_boot = f;
+//   return sd_id128_get_boot(boot_id);
+// }
+//
+// char *
+// my_sd_id128_to_string(void *f, sd_id128_t boot_id, char s[_SD_ARRAY_STATIC SD_ID128_STRING_MAX])
+// {
+//   char *(*sd_id128_to_string)(sd_id128_t, char *);
+//
+//   sd_id128_to_string = f;
+//   return sd_id128_to_string(boot_id, s);
+// }
+//
 import "C"
 import (
 	"bytes"
@@ -928,7 +946,7 @@ func (j *Journal) SeekHead() error {
 }
 
 // SeekTail may be used to seek to the end of the journal, i.e. the most recent
-// available entry. This call must be followed by a call to Next before any
+// available entry. This call must be followed by a call to Previous before any
 // call to Get* will return data about the last element.
 func (j *Journal) SeekTail() error {
 	sd_journal_seek_tail, err := getFunction("sd_journal_seek_tail")
@@ -1118,3 +1136,33 @@ func (j *Journal) GetCatalog() (string, error) {
 
 	return catalog, nil
 }
+
+// GetBootID get systemd boot id
+func (j *Journal) GetBootID() (string, error) {
+	sd_id128_get_boot, err := getFunction("sd_id128_get_boot")
+	if err != nil {
+		return "", err
+	}
+
+	var boot_id C.sd_id128_t
+	r := C.my_sd_id128_get_boot(sd_id128_get_boot, &boot_id)
+	if r < 0 {
+		return "", fmt.Errorf("failed to get boot id: %s", syscall.Errno(-r).Error())
+	}
+
+	sd_id128_to_string, err := getFunction("sd_id128_to_string")
+	if err != nil {
+		return "", err
+	}
+
+	c := (*C.char)(C.malloc(33))
+	defer C.free(unsafe.Pointer(c))
+	C.my_sd_id128_to_string(sd_id128_to_string, boot_id, c)
+
+	bootID := C.GoString(c)
+	if len(bootID) <= 0 {
+		return "", fmt.Errorf("get boot id %s is not valid", bootID)
+	}
+
+	return bootID, nil
+}