Permalink
Cannot retrieve contributors at this time
Fetching contributors…
Cannot retrieve contributors at this time
| import os | |
| import shutil | |
| import tarfile | |
| import nginxlib | |
| from charms import apt | |
| from charms.reactive import hook | |
| from charms.reactive import when | |
| from charms.reactive import is_state | |
| from charms.reactive import when_not | |
| from charms.reactive import set_state | |
| from charms.reactive import remove_state | |
| from charms.layer import charmsvg | |
| from charms.layer import uwsgi | |
| from charmhelpers.core import hookenv | |
| from charmhelpers.core.host import chownr | |
| @when_not('charm-svg.installed') | |
| @when_not('apt.queued_installs') | |
| def install_charmsvg(): | |
| apt.queue_install([ | |
| 'python-bottle', | |
| 'python-yaml', | |
| 'python-networkx', | |
| 'python-requests', | |
| ]) | |
| @when('apt.installed.python-bottle') | |
| @when_not('charm-svg.installed') | |
| def install_resource(): | |
| remove_state('charm-svg.ready') | |
| hookenv.status_set('maintenance', 'extracting resources') | |
| svg_bin = hookenv.resource_get('python-jujusvg') | |
| web_tar = hookenv.resource_get('webapp') | |
| hookenv.status_set('maintenance', 'installing python-jujusvg') | |
| shutil.copy(svg_bin, charmsvg.JUJUSVG_PATH) | |
| os.chmod(charmsvg.JUJUSVG_PATH, 0o755) | |
| hookenv.status_set('maintenance', 'installing webapp') | |
| tar = tarfile.open(web_tar) | |
| tar.extractall(charmsvg.INSTALL_PATH) | |
| chownr(charmsvg.INSTALL_PATH, 'www-data', 'www-data') | |
| set_state('charm-svg.installed') | |
| @when('charm-svg.installed') | |
| @when_not('charm-svg.ready') | |
| def configure_charmsvg(): | |
| remove_state('charm-svg.uwsgi.configured') | |
| hookenv.status_set('maintenance', 'configuring webapp') | |
| with open(charmsvg.SETTINGS_PATH, 'w') as f: | |
| f.write("JUJSVG = '%s'" % charmsvg.JUJUSVG_PATH) | |
| set_state('charm-svg.ready') | |
| @when('charm-svg.ready') | |
| @when_not('charm-svg.uwsgi.configured') | |
| def start_charmsvg(): | |
| hookenv.status_set('maintenance', 'configuring uwsgi') | |
| uwsgi.configure( | |
| 'charmsvg', | |
| charmsvg.INSTALL_PATH, | |
| plugins='python', | |
| cfg={'file': 'app.py'}, | |
| ) | |
| set_state('charm-svg.uwsgi.configured') | |
| @when('nginx.available') | |
| @when('charm-svg.uwsgi.configured') | |
| @when_not('charm-svg.nginx.configured') | |
| def create_vhost(): | |
| nginxlib.configure_site( | |
| 'charmsvg', | |
| 'charmsvg-vhost.conf', | |
| server_name='_', | |
| source_path=charmsvg.INSTALL_PATH, | |
| socket=uwsgi.config('charmsvg').get('socket'), | |
| ) | |
| hookenv.open_port(80) | |
| is_ready() | |
| set_state('charm-svg.nginx.configured') | |
| @hook('update-status') | |
| def is_ready(): | |
| nginx_ready = is_state('charm-svg.nginx.configured') | |
| uwsgi_ready = is_state('charm-svg.uwsgi.configured') | |
| uwsgi_running = uwsgi.running() | |
| if nginx_ready and uwsgi_ready and uwsgi_running: | |
| hookenv.status_set('active', 'running on port 80') | |
| @hook('upgrade-charm') | |
| def upgrade(): | |
| """ Upgrade charm or resources | |
| This method will assume both resource or charm is being upgraded. As such | |
| this will reset the charm-svg.installed state which will re-kick the setup | |
| and configuration portions of the charm. | |
| Future updates to this method may include removing additional events to | |
| better handle upgrades. | |
| """ | |
| remove_state('charm-svg.installed') | |
| remove_state('charm-svg.ready') |