def start(self):
if self.running:
log.info('container is already running')
return
node = self.get_node()
if not node:
raise TaskException("container's node does not exist")
if not node.pulled:
raise TaskException("container's node has not been pulled yet")
# Compile templates for new run
self.compile_templates(node)
# Run container
cmd = ['docker', 'run', '-d'] + self.get_run_args(node)
cid = utils.run_cmd(cmd)[0].strip()
# Get ports
ports = {}
for name, port in self.data['ports'].iteritems():
# TODO: Use API when it can handle port mapping
host = utils.run_cmd(['docker', 'port', cid, str(port)])
ports[name] = int(host.split(':')[1])
self.data['cid'] = cid
self.data['endpoint'] = json.dumps({
'host': self.agent_host, 'ports': ports
})
self.save()
def start(self):
if self.running:
log.info('container is already running')
return
node = self.get_node()
if not node:
raise TaskException("container's node does not exist")
if not node.pulled:
raise TaskException("container's node has not been pulled yet")
# Compile templates for new run
self.compile_templates(node)
# Run container
cmd = ['docker', 'run', '-d'] + self.get_run_args(node)
cid = utils.run_cmd(cmd)[0].strip()
# Get ports
ports = {}
for name, port in self.data['ports'].iteritems():
# TODO: Use API when it can handle port mapping
host = utils.run_cmd(['docker', 'port', cid, str(port)])
ports[name] = int(host.split(':')[1])
self.data['cid'] = cid
self.data['endpoint'] = json.dumps({
'host': self.agent_host,
'ports': ports
})
self.save()
def stop(self):
if not self.running:
log.info('container is already stopped')
return
# Remove from config
self.config_manager.delete(self.data['config_key'])
# Stop container
utils.run_cmd(['docker', 'stop', self.data['cid']])
self.data['cid'] = None
self.data['endpoint'] = None
self.save()
def stop(self):
if not self.running:
log.info('container is already stopped')
return
# Remove from config
self.config_manager.delete(self.data['config_key'])
# Stop container
utils.run_cmd(['docker', 'stop', self.data['cid']])
self.data['cid'] = None
self.data['endpoint'] = None
self.save()
def pull(self, args):
# Pull image
if not args['app_path']:
utils.run_cmd(['docker', 'pull', args['image']])
# Prepare to pull templates
templates_path = self.get_templates_path()
src = 'salt://templates/%s/%s' % (args['env_id'], self.data['_id'])
# Remove all contents before adding new templates
utils.clear_path(templates_path)
# Pull templates
caller_client().function('cp.get_dir', src, templates_path)
node.update(args)
def pull(self, args):
# Pull image
if not args['app_path']:
utils.run_cmd(['docker', 'pull', args['image']])
# Prepare to pull templates
templates_path = self.get_templates_path()
src = 'salt://templates/%s/%s' % (args['env_id'], self.data['_id'])
# Remove all contents before adding new templates
utils.clear_path(templates_path)
# Pull templates
caller_client().function('cp.get_dir', src, templates_path)
node.update(args)
def reload(self):
if not self.running:
raise TaskException('container is not running')
code = utils.run_cmd(['lxc-attach', '-n', self.data['cid'], '--',
'/bin/bash', os.path.join(container_dir, 'files',
'autoload.sh')], allow_errors=True)[1]
if code != 0:
# No user-defined autoload.sh or script wants to reload; restart.
self.restart()
def reload(self):
if not self.running:
raise TaskException('container is not running')
code = utils.run_cmd([
'lxc-attach', '-n', self.data['cid'], '--', '/bin/bash',
os.path.join(container_dir, 'files', 'autoload.sh')
],
allow_errors=True)[1]
if code != 0:
# No user-defined autoload.sh or script wants to reload; restart.
self.restart()
def check_instances():
cids = utils.run_cmd(['docker', 'ps', '-q'])[0].splitlines()
for instance in objects.Instance.get_instances():
cid = instance.data['cid']
if cid in cids:
# Instance is running
# Set endpoint key
instance.set_endpoint()
else:
# Instance is down
instance.data['cid'] = None
instance.data['endpoint'] = None
instance.save()
# Log the event and start the instance
instance.start()
