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Server-apps

This repository contains all our scripts and configuration files necessary for custom deployment on our METANET server.

Deployment

The server-apps repo is currently located on the server under the user swo in the folder apps. This repo needs to be pulled manually in case of changes. There is no CI/CD yet. This repo provides various hooks which get called when one might push a repo onto the server. See git folder under the user swo. To trigger a deploy without semaphore, use the following steps in case of dev/develop:

ssh-copy-id [email protected]
git remote add metanet-develop [email protected]:~/git/better-dime/develop.git
git push -f metanet-develop dev:master
# => build starts...

The container environment file is stored on the server in the app folder but not commited for security reasons.

Current sites

  • iZivi
  • Dime
  • LimeSurvey
  • NextCloud
  • Traefik ReverseProxy
  • Rocket Chat

Structure

Directory Meaning
sites/[project]/[environment] Contains all deployment and running configuration for each project and each environment.
dsl/ Code required to support custom DSL
hooks/ Git hooks inserted into each project to connect to custom deployment code
traefik/ Configuration files required to have reverse proxy working

Workflow

The CD pushes to the corresponding git repo on the server. The repo has linked the pre-receive hook with the hook stored in this repo. The hook then infers the project and environment depending on the repo to which was pushed to and then calls the deploy and run rake task.

Rake tasks

Access the metanet server as root or the swo user via ssh. Run rake -T in the apps folder to display all potential rake tasks. Then run whichever one needed to restart, stop or deploy a given application: eg. rake traefik:master:restart

Auto-generated Tasks

Deploy Task

When there is a Deployfile in the project-environment folder, there is a rake project:environment:deploy task to execute that Deployfile.

This Task should only be run by the pre-receive hook

Run Task

When there is a Runfile in the project-environment folder, there is a rake project:environment:run task to execute that Runfile

Stop Task

When there is a Stopfile in the project-environment folder, there is a rake project:environment:stop task to execute that Stopfile

Restart Task

When there is a Runfile and Stopfile in the project-environment folder, there is a rake project:environment:restart task to execute that Stopfile and then that Runfile

DSL

Docker commands

build_swo_image

Builds an image with SWO naming convention.

Usage:

build_swo_image(
  docker_name_supplement: 'name supplement e.g. frontend', # Optional
  ...[additional build arguments]
)

Produces an image built from the current prod.Dockerfile inferred from current working directory.

Naming will be swo/[project name]_[supplement]:[environment]. Environment tags are used to support caching across multiple project instances (only if they differ marginally from each other).


swo_container_name

Returns a container name using SWO naming convention based on the project name and environment.

Usage:

swo_container_name(
  'supplement e.g. frontend' # Optional
)

Returns a string following the format [project_name]_[environment]_[supplement], e.g. better_dime_develop_frontend


swo_image_name

Returns an image name using SWO naming convention based on the project name and environment.

Usage:

swo_image_name(
  'supplement e.g. frontend' # Optional
)

Returns a string following the format swo/[project_name]_[supplement]:[environment], e.g. swo/better_dime_frontend:develop


start_swo_docker_image

Stops the running container using the same image and starts a new instance.

Usage:

start_swo_docker_image(
  docker_name_supplement: 'supplement e.g. frontend', # Optional
  ...[additional run flags]
)

migrate_swo_rails_db

Migrates a Rails database

Usage:

migrate_swo_rails_db(
  'naming supplement of the rails container e.g. api' # Optional
)

migrate_swo_laravel_db

Migrates a Laravel database

Usage:

migrate_swo_laravel_db(
  'naming supplement of the rails container e.g. api' # Optional
)

Env file handling

load_environment_file

Loads the specified environment file into ENV.

Usage:

load_environment_file(
  '.env file path' # Optional
)

If path is nil a .env file will be searched in the current working directory.


default_env_file

Returns the path of the default .env file, which basically is $(pwd)/.env

Usage:

default_env_file()

Pre-Receive Hook

Rake tasks

execute_rake_command

Runs a given rake task

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