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README.md

provs

pipeline status

DeltaChat chat over e-mail | team@social.meissa-gmbh.de team@social.meissa-gmbh.de | Website & Blog

Purpose

provs provides cli-based tools for

  • provisioning a desktop (various kinds)
  • provisioning a k3s server
  • performing system checks

Tasks can be run locally or remotely.

Status

under development - though we already set up a few IDEs and servers with provs.

Try out

Prerequisites

  • A Java Virtual machine (JVM) is required.
  • Install jarwrapper (e.g. sudo apt install jarwrapper)
  • Then either download the binaries or build them yourself

Download the binaries

  • Download the latest provs-desktop.jar,provs-server.jar and/or provs-syspec.jar from: https://gitlab.com/domaindrivenarchitecture/provs/-/releases
    • Preferably into /usr/local/bin or any other folder where executables can be found by the system
  • Make the jar-file executable e.g. by chmod +x provs-desktop.jar

Build the binaries

Instead of downloading the binaries you can build them yourself

  • Clone this repository
  • In the repository's root folder execute: ./gradlew install. This will install the binaries in /usr/local/bin

Provision a desktop

After having installed provs-desktop.jar (see prerequisites) execute:

provs-desktop.jar <type> <target> [<options>]

type can be:

  • basic - install some basic packages)
  • office - install office software (LibreOffice), E-Mail (Thunderbird), etc
  • ide - same as office with additionally ide-software (VSCode, IntelliJ, etc)

target can be:

  • local
  • remote, e.g. user123:mypassword@myhost.com - general format is: <user[:password]@host> -
    • be sure to have openssh-server installed
    • add your preferred public key to known_hosts on the target machine
    • if password is omitted, then ssh-keys will be used for authentication
    • if password is omitted but option -p is provided, then the password will be prompted interactively

options

  • -p for interactive password question
  • -o for only executing one action, e.g.
    • -o verify for verifying your installation
    • -o firefox to install firefox from apt on ubuntu
    • -o teams to install MS-Teams

Example

provs-desktop.jar basic local # installs a basic desktop on a local machine
provs-desktop.jar office myuser@myhost.com -p # installs an office desktop on a remote machine, prompting for password
provs-desktop.jar ide myuser@myhost.com # installs an ide on a local machine
provs-desktop.jar ide myuser@myhost.com -o firefox # installs firefox on a remote machine
provs-desktop.jar ide myuser@myhost.com -o verify # verifies the installation on a remote machine

Provision a k3s Server

provs-server.jar k3s local # installs a k3s server locally
provs-server.jar k3s myuser@myhost.com # install remote k3s using ssh-authentication // option -p for password authentication
provs-server.jar k3s myuser@myhost.com  -c path/to/k3sServerConfig.yaml -a path/to/application.yaml # as above, but define paths to your application and config yamls

For the remote server please configure a config file (default file name: server-config.yaml). It has to be in the same folder where you execute the provs-server.jar command.

fqdn: "myhostname.com"
node:
  ipv4: "192.168.56.123"   # ip address
echo: true                 # for demo reasons only - deploys an echo app 

To add a grafana agent to your k3s installation add the following to the config:

grafana:
  user: "myusername"   # username for the grafana data source 
  password:
    source: "PLAIN"           # PLAIN, GOPASS or PROMPT
    parameter: "mypassword"   # the password or api key for the grafana data source user 
  cluster: "mycluster"        # a cluster name of your choice  

To provision the grafana agent only to an existing k8s system, ensure that the config (as above) is available and execute:

provs-server.jar k3s myuser@myhost.com -o grafana

Reprovisioning the server can easily be done using the -r or --reprovision option.

provs-server.jar k3s myuser@myhost.com -c path/to/k3sServerConfig.yaml -a path/to/application.yaml -r # 

Or you can add reprovision: true to your k3sServerConfig.yaml.

Perform a system check

The default config-file for the system check is syspec-config.yaml, you can specify a different file with option -c <config-file>.

provs-syspec.jar local 
# or remote with a custom config filename
provs-syspec.jar myuser@myhost.com -c my-syspec-config.yaml

Example output:

Syspec output example

Get help

To get help you can make use of the -h option:

provs-desktop.jar -h
provs-server.jar -h
provs-syspec.jar -h

Or to get help for subcommands e.g.

provs-desktop.jar ide -h
provs-server.jar k3s -h