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Manage MikroTik device configurations via ssh from a central repository

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mikrocfg - MikroTik cli configuration utility

Manage MikroTik device configurations via ssh from a central repository

Features

  • maintain your device configurations within git or any other vcs
  • deploy router configuration via ssh (key based)
  • multipart (.d style) config files
  • custom deploy tasks via shell script hooks
  • multidevice mode to deploy same config (overrides optional) to multiple devices
  • optimized config size by removing comments and flatten multiline directives
  • execute pre-defined scripts on targets and device groups via ssh

Usage

Usage: mikrocfg [options...] <command> [args...]
manage MikroTik device configurations via ssh from a central repository

Options:
    -h,--help                       Displays this help
    -v,--version                    Displays version

Commands:
    init <hostname>                 run init script with default credentials on device (e.g. setup ssh keys; default 192.168.88.1)
    reboot <target>                 reboot targets/subtargets
    exec <target> <cmd>             execute command file/snipped on target

    build <target>                  build (merge) target config
    deploy <target>                 deploy a already build target config using custom deploy script within working dir
    apply <target>                  build, deploy and apply target configuration (system reset)

    workspace init                  initialize a new workspace/project (create structure within cwd)
    

Installation

  1. Download the current release and unpack the files in e.g. /opt/mikrocfg - that's it.
  2. Optionally create a symlink ln -s /opt/mikrocfg/mikrocfg /usr/local/bin/mikrocfg
  3. Setup a workspace
  4. Create your config files
  5. Deploy them

Create Workspace

A "workspace" is a directory containing multiple target directories. Each target directory requires a config file named .config and holds all .rsc config files (or symlinks).

Additionally each workspace requires a dist/ directory where the concatenated configuration files are stored. mikrocfg tool creates a sub-directory for each target within this directory (named exactly like the target).

Workspace

my-mikrotik-configs
  |- .hooks (optional)
  |- .credentials (optional)
  |- .config (optional, project config)
  |
  |- dist
  |- wifi-ap-site1
  |- wifi-ap-site2
  |    |- .config
  |    |- 20-ap-config.rsc
  |    |- 30-wifi.rsc
  |    |- 50-firewall.rsc
  |
  |- wifi-ap-site3
  |- access-switch-site1
  |- core-router-site5

Target config file

The .config file includes additional variables/functions used for the deployment script

# deployment - hostname/ip address
CONF_HOST="192.168.88.1"

Project config file

The config file includes additional variables/functions used for the default deployment script

# sftp config
SFTP_KEYFILE=".credentials/deployment"
SFTP_KNOWN_HOSTS=".credentials/known_hosts"
SFTP_PORT="22"
SFTP_USER="admin"

# enable/disable optimization
OPTIMIZE="no"

RSC files

Each file can contain any RouterOS directive.

Files are only recognized (merged) in case the following conditions are fulfilled:

  • The filename requires the extension .rsc
  • The filename has to be start with a numeric priority value

The priority prefix is necessarry to avoid dependency issues (values/objects not defined).

valid names

  • 20-wlan.rsc
  • 001-interfaces.rsc

invalid names

  • 20-wlan.conf
  • interfaces.rsc

Config execution wrapper

All directives (from your config files) are wrapped into a scope with beep signals before/after the config has been applied. Delays are added as workaround to wait until all network devices have been initialized.

Both (header + footer) parts can be overridden by adding the files to the project.

File: header.rsc

# ----------------------------------------------
# PROJECT:   $TARGET_NAME
# BUILD:     $BUILD_DATE
# GENERATOR: mikrocfg
# ----------------------------------------------
{
# startup delay 15s (to initialize interfaces...weak workaround..)
:delay 15

# outputbeep signal - 3 short tones
:beep frequency=3000 length=100ms;:delay 150ms; :beep frequency=3000 length=100ms;:delay 150ms; :beep frequency=3000 length=100ms;:delay 150ms

File: footer.rsc

# outputbeep signal - 1 long tone
:beep frequency=3000 length=700ms;

# delay 2s
:delay 2000ms;

Default directory

All files within the .defaults/ directory of the workspace are added to each configuration (merged). It can be used to apply global defaults or override the header/footer scripts globally

Deployment

The configuration deployment is achieved with a custom shell script. Basically it uploads the configuration to the device and triggers a system reset using the generated configuration as initial device config (run-after-reset).

It can be easily modified to run bulk upgrades on device groups.

Standard deployment script

A default deployment script is located in .hooks/deploy which is configured per target or within the project config.

Custom deployment scripts can be used by creating a hook script .hooks/deploy within the working directory.

Device initialization

Initializing new devices can be time consuming (adding users, ssh keys, ...).

To simplify the process the mikrocfg init command uploads all files within the .init directory of the workspace to a mikrotik device using the default user admin without password.

Optionally a custom configuration .init/defconf.rsc is applied (system reset) to create an initial state. Otherwise the package default defconf.rsc is used.

The existence of a persistent flash/ for legacy devices is automatically checked.

Comannd execution

Pre-defined command snippets within the .cmd directory can be executed via ssh directly on the device (or group).

Example

File: .cmd/rm-certs

# remove all certificates
/certificate remove [ find ]

Execute

$ mikrocfg exec mytargetGroup rm-certs

Usage notes

This tool is mostly designed for stateless devices where a full restore can be achieved via a single config file!

In case you're using auto generated certificates or other features which are creating persistent changes on the devices each update will remove these files/configs. Therefore you have to take care of the specific use-case.

Contribution

The .deb package is automatically generated via a Continuous Delivery Pipeline - please do not build packages manually!

Commercial support

Aenon Dynamics is offering commercial support for this tool. Just contact us if you need assitance with your deployment structure.

It's also possible to implement client specific features/functions on request.

License

mikrocfg is OpenSource and licensed under the Terms of GNU GENERAL PUBLIC LICENSE 2.0. You're welcome to contribute

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