IPD - Image Push and Deploy

==================

ipd - Receive app images and switch execution to new container.

Deploy flow

• Run control.sh check. Return 1 if success, any other means error.
• If check was erroneous run control.sh prepare.
• Run control.sh deploy. Return 1 if success, any other means error.

Standard way to deploy project: upload package and wait until its processed. On destination server project folder should be accessible to write for daemon user.

Endpoints

Destination path prefixed with API_ROOT.

Endpoint	Method	Description	Variables
/	GET	Welcome message
/list	GET	List projects
/upload	POST	Upload deployment package	project - project name image - image file package - package file
/info	GET	Project information
/stat	GET	IPD statistics
/status/$project	GET	Deployment status	$project - project name
/status/$project/$deployment	GET	Deployment status	$project - project name $deployment - deployment ID, returned in upload

Environment variables for control.sh

Name	Value
PATH	Inherits from parent process
DEPLOY	UUID of deployment
PROJECT	project name passed on upload

Installation

• Add user
  adduser ipd
• Add user to docker group
  addgroup ipd docker
• Create log
  touch /var/log/ipd.log && chown ipd.ipd /var/log/ipd.log
• Create upload folder
  mkdir /srv/upload && chown ipd.ipd /srv/upload
• Fill with required values and copy config
  cp .env.example /etc/default/ipd
• Copy script to init.d ipd.sh to /etc/init.d/ipd
• Install service
  systemctl enable ipd.service
• Install virtualenv
  sudo apt install -y python3-venv
• Setup virtualenv
  sudo python3 -m venv /opt/ipd
• Create user file list
  touch /opt/ipd/users.txt && chown ipd.ipd /opt/ipd/users.txt and add users
• Activate virtualenv
  source /opt/ipd/bin/activate
• Setup
  pip install ipd-1.0.0-py3-none-any.whl
• Start service
  systemctl enable ipd.service
• Add to nginx config

server {
...

    location /deploy {
        client_max_body_size 0;
        proxy_pass http://localhost:9955;
        proxy_http_version 1.1;
        proxy_redirect                      off;
        proxy_set_header Host               $host;
        proxy_set_header X-Real-IP          $remote_addr;
        proxy_set_header X-Forwarded-For    $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto  $scheme;
        proxy_read_timeout 1m;
        proxy_connect_timeout 1m;
    }
}

• Your site is now ready to respond on /deploy

Upgrade

• Activate virtualenv
  source /opt/ipd/bin/activate
• Stop service
  systemctl stop ipd.service
• Remove old package
  pip uninstall ipd
• Install new package
  pip install ipd-1.0.0-py3-none-any.whl
• Start service
  systemctl start ipd.service

Auth file structure

One user record per line.

ROLE:username:sha256

Supported roles: ADMIN, USER.

Example to get hash of password:
echo -n "mypassword" | sha256sum | cut -f 1 -d " "

Environmant variables

Must be set through /etc/ipd.conf or environment variables.

Name	Default	Description
LOG_DIR	.	Log directory
UPLOAD_DIR	.	Upload directory
AUTH_DB	/opt/ipd/users.txt	User password file
API_ROOT	/deploy	API root

Prepare dev environment

• Setup virtualenv
  python3 -m venv venv
• Activate virtualenv
  source ./venv/bin/activate
• Prepare app
  python3 setup.py develop

Return codes for deploy status

Request deploy status by retrieving url https://$REMOTE_HOST/deploy/status/$PROJECT/$PROJECT_DEPLOYMENT.

In return you retrieve states:

Code	Description
await	Awaiting in queue
active	Deployment enrolling
ok	Deployment successful
no	No such project processed
changed	Another deployment added while processing
another code	Code number returned by deployment script