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update with current fixes from docker-ansible

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This commit is contained in:
Cove Schneider 2013-10-23 22:56:02 -07:00
parent 5f7e1fc306
commit 94574f7296
1 changed files with 75 additions and 33 deletions
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100
library/cloud/docker
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@ -213,6 +213,13 @@ def _human_to_bytes(number):
def _ansible_facts(container_list):
return {"docker_containers": container_list}
def _docker_id_quirk(inspect):
# XXX: some quirk in docker
if 'ID' in inspect:
inspect['Id'] = inspect['ID']
del inspect['ID']
return inspect
class DockerManager:
counters = {'created':0, 'started':0, 'stopped':0, 'killed':0, 'removed':0, 'restarted':0, 'pull':0}
@ -220,10 +227,46 @@ class DockerManager:
def __init__(self, module):
self.module = module
self.binds = None
self.volumes = None
if self.module.params.get('volumes'):
self.binds = {}
self.volumes = {}
vols = self.module.params.get('volumes').split(" ")
for vol in vols:
parts = vol.split(":")
# host mount (e.g. /mnt:/tmp, bind mounts host's /tmp to /mnt in the container)
if len(parts) == 2:
self.volumes[parts[1]] = {}
self.binds[parts[0]] = parts[1]
# docker mount (e.g. /www, mounts a docker volume /www on the container at the same location)
else:
self.volumes[parts[0]] = {}
self.lxc_conf = None
if self.module.params.get('lxc_conf'):
self.lxc_conf = []
options = self.module.params.get('lxc_conf').split(" ")
for option in options:
parts = option.split(':')
self.lxc_conf.append({"Key": parts[0], "Value": parts[1]})
self.ports = None
if self.module.params.get('ports'):
self.ports = self.module.params.get('ports').split(",")
# connect to docker server
docker_url = urlparse(module.params.get('docker_url'))
self.client = docker.Client(base_url=docker_url.geturl())
def get_split_image_tag(self, image):
tag = None
if image.find(':') > 0:
return image.split(':')
else:
return image, tag
def get_summary_counters_msg(self):
msg = ""
for k, v in self.counters.iteritems():
@ -241,20 +284,35 @@ class DockerManager:
return False
def get_inspect_containers(self, containers):
inspect = []
for i in containers:
details = self.client.inspect_container(i['Id'])
details = _docker_id_quirk(details)
inspect.append(details)
return inspect
def get_deployed_containers(self):
# determine which images/commands are running already
containers = self.client.containers()
image = self.module.params.get('image')
command = self.module.params.get('command')
if command:
command = command.strip()
deployed = []
# if we weren't given a tag with the image, we need to only compare on the image name, as that
# docker will give us back the full image name including a tag in the container list if one exists.
image, tag = self.get_split_image_tag(image)
for i in containers:
if i["Image"].split(":")[0] == image.split(":")[0] and (not command or i["Command"].strip() == command.strip()):
running_image, running_tag = self.get_split_image_tag(image)
running_command = i['Command'].strip()
if running_image == image and (not tag or tag == running_tag) and (not command or running_command == command):
details = self.client.inspect_container(i['Id'])
# XXX: some quirk in docker
if 'ID' in details:
details['Id'] = details['ID']
del details['ID']
details = _docker_id_quirk(details)
deployed.append(details)
return deployed
@ -262,7 +320,7 @@ class DockerManager:
def get_running_containers(self):
running = []
for i in self.get_deployed_containers():
if i['State']['Running'] == True:
if i['State']['Running'] == True and i['State']['Ghost'] == False:
running.append(i)
return running
@ -270,6 +328,8 @@ class DockerManager:
def create_containers(self, count=1):
params = {'image': self.module.params.get('image'),
'command': self.module.params.get('command'),
'ports': self.ports,
'volumes': self.volumes,
'volumes_from': self.module.params.get('volumes_from'),
'mem_limit': _human_to_bytes(self.module.params.get('memory_limit')),
'environment': self.module.params.get('env'),
@ -279,9 +339,6 @@ class DockerManager:
'privileged': self.module.params.get('privileged'),
}
if self.module.params.get('ports'):
params['ports'] = self.module.params.get('ports').split(",")
def do_create(count, params):
results = []
for _ in range(count):
@ -301,24 +358,8 @@ class DockerManager:
return containers
def start_containers(self, containers):
binds = None
if self.module.params.get('volumes'):
binds = {}
vols = self.module.params.get('volumes').split(" ")
for vol in vols:
parts = vol.split(":")
binds[parts[0]] = parts[1]
lxc_conf = None
if self.module.params.get('lxc_conf'):
lxc_conf = []
options = self.module.params.get('lxc_conf').split(" ")
for option in options:
parts = option.split(':')
lxc_conf.append({"Key": parts[0], "Value": parts[1]})
for i in containers:
self.client.start(i['Id'], lxc_conf=lxc_conf, binds=binds)
self.client.start(i['Id'], lxc_conf=self.lxc_conf, binds=self.binds)
self.increment_counter('started')
def stop_containers(self, containers):
@ -395,15 +436,15 @@ def main():
# stop containers if we have too many
elif delta < 0:
manager.stop_containers(running_containers[0:abs(delta)])
manager.remove_containers(running_containers[0:abs(delta)])
containers = manager.stop_containers(running_containers[0:abs(delta)])
manager.remove_containers(containers)
facts = manager.get_running_containers()
# stop and remove containers
elif state == "absent":
facts = manager.stop_containers(deployed_containers)
manager.remove_containers(containers)
manager.remove_containers(deployed_containers)
# stop containers
elif state == "stopped":
@ -416,6 +457,7 @@ def main():
# restart containers
elif state == "restarted":
manager.restart_containers(running_containers)
facts = manager.get_inspect_containers(running_containers)
msg = "%s container(s) running image %s with command %s" % \
(manager.get_summary_counters_msg(), module.params.get('image'), module.params.get('command'))