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Diffstat (limited to 'docs/automation/command-scripting.rst')
| -rw-r--r-- | docs/automation/command-scripting.rst | 69 |
1 files changed, 64 insertions, 5 deletions
diff --git a/docs/automation/command-scripting.rst b/docs/automation/command-scripting.rst index 6bc6690c..14f2edfa 100644 --- a/docs/automation/command-scripting.rst +++ b/docs/automation/command-scripting.rst @@ -1,3 +1,5 @@ +:lastproofread: 2021-06-27 + .. _command-scripting: Command Scripting @@ -34,7 +36,7 @@ example, if you want to disable a BGP peer on VRRP transition to backup: Run operational commands ------------------------ -Unlike a normal configuration sessions, all operational commands must be +Unlike a normal configuration session, all operational commands must be prepended with ``run``, even if you haven't created a session with configure. .. code-block:: none @@ -44,8 +46,8 @@ prepended with ``run``, even if you haven't created a session with configure. run show interfaces exit -Other script language ---------------------- +Other script languages +---------------------- If you want to script the configs in a language other than bash you can have your script output commands and then source them in a bash script. @@ -105,14 +107,71 @@ group, the script can be safeguarded like this: exec sg vyattacfg -c "/bin/vbash $(readlink -f $0) $@" fi +Executing pre-hooks/post-hooks Scripts +-------------------------------------- + +VyOS has the ability to run custom scripts before and after each commit + +The default directories where your custom Scripts should be located are: + +.. code-block:: none + + /config/scripts/commit/pre-hooks.d - Directory with scripts that run before + each commit. + + /config/scripts/commit/post-hooks.d - Directory with scripts that run after + each commit. + +Scripts are run in alphabetical order. Their names must consist entirely of +ASCII upper- and lower-case letters,ASCII digits, ASCII underscores, and +ASCII minus-hyphens.No other characters are allowed. + +.. note:: Custom scripts are not executed with root privileges + (Use sudo inside if this is necessary). + +A simple example is shown below, where the ops command executed in +the post-hook script is "show interfaces". + +.. code-block:: none + + vyos@vyos# set interfaces ethernet eth1 address 192.0.2.3/24 + vyos@vyos# commit + Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down + Interface IP Address S/L Description + --------- ---------- --- ----------- + eth0 198.51.100.10/24 u/u + eth1 192.0.2.3/24 u/u + eth2 - u/u + eth3 - u/u + lo 203.0.113.5/24 u/u + +Preconfig on boot +----------------- + +The ``/config/scripts/vyos-preconfig-bootup.script`` script is called on boot +before the VyOS configuration during boot process. + +Any modifications were done to work around unfixed bugs and implement +enhancements that are not complete in the VyOS system can be placed here. + +The default file looks like this: + +.. code-block:: none + + #!/bin/sh + # This script is executed at boot time before VyOS configuration is applied. + # Any modifications required to work around unfixed bugs or use + # services not available through the VyOS CLI system can be placed here. + + Postconfig on boot ------------------ The ``/config/scripts/vyos-postconfig-bootup.script`` script is called on boot after the VyOS configuration is fully applied. -Any modifications done to work around unfixed bugs and implement enhancements -which are not complete in the VyOS system can be placed here. +Any modifications were done to work around unfixed bugs and implement +enhancements that are not complete in the VyOS system can be placed here. The default file looks like this: |