What are Salt execution modules?
A Salt execution module is a Python module that runs on a Salt minion. It perform tasks and returns data to the Salt master. In this tutorial you will create and install an execution module that will call the US National Weather Service API and return the current temperature at a specified weather station.
What are SaltStack modules?
Modules Are Easy to Write! A Salt execution module is a Python or Cython module placed in a directory called _modules/ at the root of the Salt fileserver.
How do you use a Salt module?
Salt modules are amazingly simple to write. Just write a regular Python module or a regular Cython module and place it a directory called _modules/ within the file_roots specified by the master config file, and they will be synced to the minions when state. highstate is run, or by executing the saltutil.
What is Salt service?
Services are defined as system daemons and are typically launched using system init or rc scripts. This service state uses whichever service module is loaded on the minion with the virtualname of service . Services can be defined as either running or dead.
How does salt stack work?
It remotely executes commands across all machines. It is a python based software. Thomas S Hatch is the creator and the principal architect of SaltStack. SaltStack uses the ZeroMQ messaging library to process high-speed requirements for all networking layers.
How do you install salt modules?
- Install a Salt master using the instructions for your platform or by running the Salt bootstrap script.
- Make sure that your Salt minions can find the Salt master.
- Install the Salt minion on each system that you want to manage.
- Accept the Salt minion keys after the Salt minion connects.
What is salt runners?
Salt runners are convenience applications executed with the salt-run command. Salt runners work similarly to Salt execution modules however they execute on the Salt master itself instead of remote Salt minions. A Salt runner can be a simple client call or a complex application. See also.
What does the SALT team do?
Speech and language therapists (SALTs) assess difficulties with swallowing and communication. They can offer support through swallowing and speech exercises, dietary advice and changes to medication. Difficulties in swallowing, known as dysphagia, may arise from a number of medical causes.
How do I check my salt minion status?
On the minion, check if the salt-minion service is running. If not, start it. If the preceding issue still persists, check the log file on the minion: [[email protected] ~]# cat /var/log/salt/minion 2015-02-20 02:40:44,160 [salt.
How do I check my Salt minion version?
Verify the salt-common and salt-minion versions
- Log in to the physical node console.
- To verify the salt-common version, run: apt-cache policy salt-common.
- To verify the salt-minion version, run: apt-cache policy salt-minion.
Why do runners drink salt water?
Or there’s a simpler approach, according to a series of recent studies: Just drink some salty water before you step out the door. This tactic, known as “hyperhydration,” enables athletes to temporarily store as much as one litre of extra fluid in their body for use during subsequent exercise.
Where are the execution modules located in Salt?
A Salt execution module is a Python or Cython module placed in a directory called _modules/ at the root of the Salt fileserver. When using the default fileserver backend (i.e. roots ), unless environments are otherwise defined in the file_roots config option, the _modules/ directory would be located in /srv/salt/_modules on most systems.
What are the functions called by the salt command?
Salt execution modules are the functions called by the salt command. Modules Are Easy to Write! Writing Salt execution modules is straightforward. A Salt execution module is a Python or Cython module placed in a directory called _modules/ at the root of the Salt fileserver.
Which is command line tool does SaltStack use?
SaltStack is an open-source configuration management software and remote execution engine. Salt is a command-line tool. While written in Python, SaltStack configuration management is language agnostic and simple. Salt platform uses the push model for executing commands via the SSH protocol.
How does the salt module work with Lumberjack?
Once placed in file_roots, Salt users can distribute and use lumberjack.zip like any other module. All of the Salt execution modules are available to each other and modules can call functions available in other execution modules. The variable __salt__ is packed into the modules after they are loaded into the Salt minion.