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dda-git-crate

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compatability

dda-pallet is compatible to the following versions

  • pallet 0.9
  • clojure 1.9
  • (x)ubuntu 16.04

Features

This crate can clone & manage git repositories in name of defined users on target systems. Features are:

  • clone repositories from various git providers
  • configure users global git settings like signing key, name or email
  • establish trust to repository servers
  • auto-sync (pull & push) repositories using cron
  • support ssh, https public, https user/password transport

Usage

  1. Download the jar-file from the releases page of this repository (e.g. dda-git-crate-x.x.x-standalone.jar).
  2. Deploy the jar-file on the source machine
  3. Create the files git.edn (Domain-Schema for your desktop) and target.edn (Schema for Targets to be provisioned) according to the reference and our example configurations. Please create them in the same folder where you've saved the jar-file. For more information about these files refer to the corresponding information below.
  4. Start the installation:
java -jar dda-git-crate-standalone.jar --targets targets.edn git.edn

Detailed Howto

You can find a more detailed howto here: https://domaindrivenarchitecture.org/posts/2017-07-28-compose-crates/

Configuration

The configuration consists of two files defining both WHERE to install the software and WHAT to install.

  • targets.edn: describes on which target system(s) the software will be installed
  • git.edn: describes which repositories will be installed

Targets config example

Example content of file targets.edn:

{:existing [{:node-name "test-vm1"            ; semantic name
             :node-ip "35.157.19.218"}]       ; the ip4 address of the machine to be provisioned
 :provisioning-user {:login "initial"         ; account used to provision
                     :password
                     {:plain "secure1234"}}} ; optional password, if no ssh key is authorized

VM config example

Example content of file vm.edn:

{:os-user :ubuntu
 :user-email "ubuntu@some-domain.org"
 :repos {:books
         ["https://github.com/DomainDrivenArchitecture/ddaArchitecture.git"]
         :dda-pallet
         ["https://github.com/DomainDrivenArchitecture/dda-config-commons.git"
          "https://github.com/DomainDrivenArchitecture/dda-pallet-commons.git"]}
  :synced-repos {
          :password-store
          ["https://github.com/DomainDrivenArchitecture/password-store-for-teams.git"]}}

Reference

Some details about the architecture: We provide two levels of API. Domain is a high-level API with many build in conventions. If this conventions don't fit your needs, you can use our low-level infra API and realize your own conventions.

Targets

The schema for the targets config is:

(def ExistingNode
  "Represents a target node with ip and its name."
  {:node-name s/Str   ; semantic name (keep the default or use a name that suits you)
   :node-ip s/Str})   ; the ip4 address of the machine to be provisioned

(def ExistingNodes
  "A sequence of ExistingNodes."
  {s/Keyword [ExistingNode]})

(def ProvisioningUser
  "User used for provisioning."
  {:login s/Str                                ; user on the target machine, must have sudo rights
   (s/optional-key :password) secret/Secret})  ; password can be ommited, if a ssh key is authorized

(def Targets
  "Targets to be used during provisioning."
  {:existing [ExistingNode]                                ; one ore more target nodes.
   (s/optional-key :provisioning-user) ProvisioningUser})  ; user can be ommited to execute on localhost with current user.

The "targets.edn" uses this schema.

Domain API

(def GitRepository
  {:user-credentials {(s/optional-key :user) s/Str
                      (s/optional-key :password) s/Str}
   :fqdn s/Str
   (s/optional-key :ssh-port) s/Str
   (s/optional-key :orga) s/Str
   :repo s/Str
   :local-dir s/Str
   :transport-type (s/enum :ssh :https-public :https-private)
   :server-type (s/enum :gitblit :github)})

(def GitCredentials
  {(s/enum :gitblit :github) {:user s/Str
                              (s/optional-key :password) s/Str}})
(def GitDomainConfig
  (s/both
     (s/pred #(or
               (contains? %1 :repo-groups)
               (contains? %1 :repos))
              "Either :repo-groups or :repos has to be present.")
     {:os-user s/Keyword
      :user-email s/Str
      (s/optional-key :signing-key) s/Str
      (s/optional-key :diff-tool) s/Str
      (s/optional-key :credentials) GitCredentials
      (s/optional-key :repo-groups) (hash-set (s/enum :dda-pallet))
      (s/optional-key :repos) {s/Keyword [s/Str]}
      (s/optional-key :synced-repos) {s/Keyword [s/Str]}}))

Infra API

(def ServerTrust
  {(s/optional-key :pin-fqdn-or-ip) s/Str
   (s/optional-key :fingerprint) s/Str})

(def GitRepository
 {:repo s/Str
  :local-dir s/Str
  :settings (hash-set (s/enum :sync))})

(def UserGlobalConfig {:email s/Str
                       (s/optional-key :signing-key) s/Str
                       (s/optional-key :diff-tool) s/Str})

(def UserGitConfig
  {:config UserGlobalConfig
   :trust [ServerTrust]
   :repo [GitRepository]})

(def GitConfig
  {s/Keyword      ; Keyword is user-name
   UserGitConfig})

License

Copyright © 2015 meissa GmbH Licensed under the Apache License, Version 2.0 (the "License");

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