service_manager

package
v0.0.0-...-89602ce Latest Latest
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 Go to latest Published: Aug 18, 2020 License: BSD-3-Clause Imports: 10 Imported by: 0

Documentation

Overview

  • Copyright 2020 The Magma Authors. *
  • This source code is licensed under the BSD-style license found in the
  • LICENSE file in the root directory of this source tree. *
  • 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 service_manager defines and implements API for service management

package service_manager defines and implements API for service management

  • Copyright 2020 The Magma Authors. *
  • This source code is licensed under the BSD-style license found in the
  • LICENSE file in the root directory of this source tree. *
  • 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 service_manager defines and implements API for service management

  • Copyright 2020 The Magma Authors. *
  • This source code is licensed under the BSD-style license found in the
  • LICENSE file in the root directory of this source tree. *
  • 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 service_manager defines and implements API for service management

  • Copyright 2020 The Magma Authors. *
  • This source code is licensed under the BSD-style license found in the
  • LICENSE file in the root directory of this source tree. *
  • 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 service_manager defines and implements API for service management

  • Copyright 2020 The Magma Authors. *
  • This source code is licensed under the BSD-style license found in the
  • LICENSE file in the root directory of this source tree. *
  • 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 service_manager defines and implements API for service management

Index

Constants

View Source 
const DefaultInitdLogTailCmd = "tail -f /var/log/syslog"

DefaultInitdLogTailCmd logs tail command if none is specified

View Source 
const MaxDockerContainersToTail = 32

Variables

This section is empty.

Functions

func StartCmdWithStderrStdoutTailer 

func StartCmdWithStderrStdoutTailer(cmd *exec.Cmd) (chan string, *os.Process, error)

StartCmdWithStderrStdoutTailer starts given command and waits for its completion, StartCmdWithStderrStdoutTailer creates the chan where all stderr & stdout strings are sent The chan will be closed when both stdout & stderr streams are closed or have errors To terminate the running command - use Process.Kill()

Types

type DockerController 

type DockerController struct{}

DockerController - docker based controller implementation

func (DockerController) GetState 

func (dc DockerController) GetState(service string) (ServiceState, error)

GetState returns the given service state or error if unsuccessful

func (DockerController) Name 

func (DockerController) Name() string

Name returns Docker controller type name

func (DockerController) Restart 

func (dc DockerController) Restart(service string) error

Restart restarts service and returns error if unsuccessful

func (DockerController) Start 

func (dc DockerController) Start(service string) error

Start starts service and returns error if unsuccessful

func (DockerController) Stop 

func (dc DockerController) Stop(service string) error

Stop stops service and returns error if unsuccessful

func (DockerController) TailLogs 

func (dc DockerController) TailLogs(service string) (chan string, *os.Process, error)

TailLogs executes command to start tailing service logs and returns string chan to receive log strings closing the chan will terminate tailing

type InitdController 

type InitdController struct {
	TailLogsCmd string
}

InitdController - initd based controller implementation

func (InitdController) CmdName 

func (InitdController) CmdName(service string) string

CmdName returns the base name of the start/stop/status command

func (InitdController) GetState 

func (c InitdController) GetState(service string) (ServiceState, error)

GetState returns the given service state or error if unsuccessful

func (InitdController) Name 

func (InitdController) Name() string

Name returns runit controller type name

func (InitdController) Restart 

func (c InitdController) Restart(service string) error

Restart restarts service and returns error if unsuccessful

func (InitdController) Start 

func (c InitdController) Start(service string) error

Start starts service and returns error if unsuccessful

func (InitdController) Stop 

func (c InitdController) Stop(service string) error

Stop stops service and returns error if unsuccessful

func (InitdController) TailLogs 

func (c InitdController) TailLogs(service string) (chan string, *os.Process, error)

TailLogs executes command to start tailing service logs and returns string chan to receive log strings closing the chan will terminate tailing

type RunitController 

type RunitController struct{}

RunitController - runit based controller implementation

func (RunitController) CmdName 

func (RunitController) CmdName() string

func (RunitController) GetState 

func (c RunitController) GetState(service string) (ServiceState, error)

GetState returns the given service state or error if unsuccessful

func (RunitController) Name 

func (RunitController) Name() string

Name returns runit controller type name

func (RunitController) Restart 

func (c RunitController) Restart(service string) error

Restart restarts service and returns error if unsuccessful

func (RunitController) ServiceName 

func (RunitController) ServiceName(service string) string

func (RunitController) Start 

func (c RunitController) Start(service string) error

Start starts service and returns error if unsuccessful

func (RunitController) Stop 

func (c RunitController) Stop(service string) error

Stop stops service and returns error if unsuccessful

func (RunitController) TailLogs 

func (c RunitController) TailLogs(service string) (chan string, *os.Process, error)

TailLogs executes command to start tailing service logs and returns string chan to receive log strings closing the chan will terminate tailing

type ServiceController 

type ServiceController interface {
	// Name returns the type of the init system used by the GW, it should match magmad.yml "init_system" value
	Name() string
	// Start starts service and returns error if unsuccessful
	Start(service string) error
	// Stop stops service and returns error if unsuccessful
	Stop(service string) error
	// Restart restarts service and returns error if unsuccessful
	Restart(service string) error
	// GetState returns the given service state or error if unsuccessful
	GetState(service string) (ServiceState, error)

	// TailLogs executes command to start tailing service logs and returns string chan to receive log strings
	// closing the chan will terminate tailing
	TailLogs(service string) (chan string, *os.Process, error)
}

ServiceController defines service controller API for service manager providers

func Get 

func Get() ServiceController

Get returns Service Controller for configured init system or the default controller if match cannot be found

type ServiceState 

type ServiceState int
const (
	Active ServiceState
	Activating
	Deactivating
	Inactive
	Failed
	Unknown
	Error
)

type SystemdController 

type SystemdController struct{}

SystemdController - systemd based controller implementation

func (SystemdController) CmdName 

func (SystemdController) CmdName() string

func (SystemdController) GetState 

func (c SystemdController) GetState(service string) (ServiceState, error)

GetState returns the given service state or error if unsuccessful

func (SystemdController) Name 

func (SystemdController) Name() string

Name returns systemd controller type name

func (SystemdController) Restart 

func (c SystemdController) Restart(service string) error

Restart restarts service and returns error if unsuccessful

func (SystemdController) ServiceName 

func (SystemdController) ServiceName(service string) string

func (SystemdController) Start 

func (c SystemdController) Start(service string) error

Start starts service and returns error if unsuccessful

func (SystemdController) Stop 

func (c SystemdController) Stop(service string) error

Stop stops service and returns error if unsuccessful

func (SystemdController) TailLogs 

func (c SystemdController) TailLogs(service string) (chan string, *os.Process, error)

TailLogs executes command to start tailing service logs and returns string chan to receive log strings closing the chan will terminate tailing

Source Files

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