Version information
This version is compatible with:
- Puppet Enterprise 2023.8.x, 2023.7.x, 2023.6.x, 2023.5.x, 2023.4.x, 2023.3.x
- Puppet >= 8.0.0 < 9.0.0
Start using this module
Add this module to your Puppetfile:
mod 'choria-mcollective_agent_service', '4.1.0'
Learn more about managing modules with a PuppetfileDocumentation
Choria Service Agent
The service agent that lets you stop, start, restart and query the statuses of services on your operating system.
This agent can be extended to support different Service managers, by default it uses Puppet. See the section later in this document about extendibility.
Actions
This agent provides the following actions, for details about each please run mco plugin doc agent/service
- restart - Restart a service
- start - Start a service
- status - Gets the status of a service
- stop - Stop a service
Installation
This agent is installed by default as part of the Choria Orchestrator.
Configuration
There is one plugin configuration setting for the service agent.
- provider - The Util class that implements the start, stop, restart and status behavior. Defaults to 'puppet'
General provider configuration options can then also be set in the config file.
mcollective_agent_service::config:
provider: puppet
puppet.hasstatus: true
puppet.hasrestart: true
Authorization
By default the Action Policy system is configured to only allow status
action for all users.
This is a read only action and does not expose secrets.
Follow the Choria documentation to configure your own policies either site wide or per agent.
If you do configure any Policies specific to this module these defaults will be overriden when done using Hiera.
An example policy can be seen here:
mcollective_agent_service::policies:
- action: "allow"
callers: "choria=manager.mcollective"
actions: "*"
facts: "*"
classes: "*"
Usage
% mco rpc service status service=httpd -W /dev_server/
Determining the amount of hosts matching filter for 2 seconds .... 4
* [ ============================================================> ] 4 / 4
Summary of Service Status:
running = 3
stopped = 1
Finished processing 4 / 4 hosts in 241.49 ms
% mco service puppet stop
Do you really want to operate on services unfiltered? (y/n): y
* [ ============================================================> ] 4 / 4
Summary of Service Status:
stopped = 4
Finished processing 4 / 4 hosts in 909.01 ms
Data Plugin
The Service agent also supplies a data plugin which uses the Service agent to check the current status of a service. The data plugin will return 'running' or 'stopped' and can be used during discovery or any other place where the MCollective discovery language is used.
mco rpc rpcutil ping -S "service('myservice').status=running"
Validator
The Service agent also supplies a validator plugin that will validate if a given string is a valid service name.
validate :service, :service_name
Extending
The default service agent achieves platform portability by using the Puppet provider system to support service managers on all platforms that Puppet supports.
If however you are not a Puppet user or simply want to implement some new method of service management you can do so by providing your own backend provider for this agent.
A service
provider that uses the service
system command has also been
contributed; it can be configured to work with any command that responds to
mycommand myservice start/stop/restart/status
.
The logic for the Puppet version of this agent is implemented in
Util::Service::PuppetService
, you can create a custom service implementation
that overrides #start, #stop, #restart, and #status.
To provide compatibility with the service data plugin #status should return 'stopped' if the service is stopped, and 'running' if the service is running.
This agent defaults to Util::Service::PuppetService
but if you have your own
you can configure it in the config file using:
mcollective_agent_service::config:
provider: puppet
Changelog
Change history for choria/mcollective_agent_service
4.1.0
Released 2024-08-26
- Support latest ruby and use new module layout
4.0.1
Released 2018-04-20
- Include JSON DDL files
- Add Licencing files and contribution guidelines
4.0.0
Released 2018-02-27
- Allow
status
action by default (1) - Fork from Puppet Inc
3.2.0
Released 2017-09-19
- Add a simple service provider that works with any command that responds
to
:servicecmd myservice start/stop/restart/status
.
3.1.5
Released 2017-06-05
- Support : as a valid character in service_name (MCOP-594)
3.1.4
Released 2017-04-06
- Support @ as a valid character in service_name (MCOP-588)
3.1.3
Released 2014-06-18
- Add pl:packaging to support {apt,yum}.puppetlabs.com (MCOP-70)
- Correctly gate around empty result sets (MCOP-55)
3.1.2
Released 2013-03-08
- Small wording fix in the DDL for the data plugin (19659)
3.1.1
Released 2013-02-26
- Improved failure message on failed restart action (19429)
3.1.0
Released 2013-02-21
- Allow application parameters to be passed as either
action service
orservice action
(19371)
3.0.2
Released 2013-02-20
- Remove request for confirmation when calling application's status action unfiltered (19346)
3.0.1
Released 2013-01-21
- Published complete rewrite of the service agent (18729)
Dependencies
- choria/mcollective (>= 0.14.5 < 2.0.0)
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