silph_road.py

import os
import tarfile

from charmhelpers.core.hookenv import (
    config,
    status_set,
    open_port,
)

from charms.reactive import (
    when,
    when_not,
    set_flag,
    remove_flag,
)

from charmhelpers.core.host import chownr
from charmhelpers.core.templating import render

from charms.layer import (
    php,
    git,
    nginx,
)


@when('php.ready')
@when_not('silph-road.installed')
def install_thesilphroad():
    web_path = '/srv/web'

    git.clone(config().get('source'), web_path)

    create_paths = {
        'app/tmp/cache/pokedex_cache': 0o777,
        'app/tmp/cache/persistent': 0o777,
        'app/tmp/cache/models': 0o777,
        'app/tmp/logs': 0o777,
        'app/webroot/img/user-verification-photos': 0o777,
    }

    for path, perm in create_paths.items():
        os.makedirs(os.path.join(web_path, path), perm)

    chownr(web_path, 'www-data', 'www-data')
    set_flag('silph-road.installed')


@when('config.changed.source')
def update_cfg():
    remove_flag('silph-road.installed')
    remove_flag('silph-road.ready')


@when('nginx.available')
@when('silph-road.installed')
@when_not('silph-road.nginx.ready')
def setup_vhost():
    nginx.configure_site(
        'silphroad',
        'silphroad-vhost.conf',
        socket=php.socket(),
    )

    service_restart('nginx')
    set_flag('silph-road.nginx.ready')


@when('silph-road.installed')
@when('database.available')
@when_not('silph-road.db.ready')
def configure_db(db):
    ctx = {'database': db}

    render(source='database.php.j2',
           target='/srv/web/app/Config/database.php',
           owner='www-data',
           group='www-data',
           perms=0o640,
           context=ctx
    )

    set_flag('silph-road.db.ready')


@when('silph-road.nginx.ready')
@when('silph-road.db.ready')
@when_not('silph-road.ready')
def ready_freddie():
    open_port(80)
    status_set('active', 'ready')
    set_flag('silph-road.ready')


@when('silph-road.ready')
@when('website.available')
def send_port(http):
    http.configure(80)