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====== Running commands with SALT ======

===== Targeting =====

To run commands you need to specify the target. You can find more info about targeting [[https://docs.saltstack.com/en/latest/topics/targeting/index.html#targeting|here]].

Also, you can check some examples below.

==== Simple targeting examples ====

Perform a ''test.ping'' in all minions:
<code bash>
sudo salt '*' test.ping
</code>

==== Targeting on grains ====

Create a directory in all minions running CentOS:
<code bash>
sudo salt -G 'os:Centos' file.makedirs /opt/cylance/
</code>

==== Compound targeting ====

Copy a file from the [[linux:salt-stack:salt_fileserver|salt-filserver]] to all minions running Centos version 6:

<code bash>
sudo salt -C 'G@os:Centos and G@osmajorrelease:6' cp.get_file salt://cylance/config_defaults.txt /opt/cylance/config_defaults.txt
</code>

You can find more info about compound targeting [[https://docs.saltstack.com/en/latest/topics/targeting/compound.html|here]].

===== Substitutions (template rendering) =====

You can make substitutions for rendering the commands with jinja, typing the value to be used between double curly brackets ''%%{{%% ... %%}}%%''.

**Example:**
Copy the appropriate version of CylancePROTECT install RPM from the [[linux:salt-stack:salt_fileserver|salt-filserver]], depending on the Centos os major release, using the grain ''osmajorrelease'':

<code bash>
sudo salt -C 'G@os:Centos' cp.get_file salt://cylance/CylancePROTECT.el{{grains.osmajorrelease}}.rpm /opt/cylance/CylancePROTECT.el{{grains.osmajorrelease}}.rpm template=jinja
</code>

===== Sample commands with Salt =====

Find out servers with 172.17.1.1 configured as DNS nameserver and show what nameservers are configured:

<code bash>
sudo salt -C 'G@dns:nameservers:172.17.1.1' grains.get dns:"nameservers"
</code>