def _get_images(self, name=None, show_all=False, filters={}, image_list=None):
"""
:param name(str): Only show images belonging to the repository name
:param show_all(bool): Show all images (by default filter out the intermediate image layers)
:parma filters(dict): Filters to be applied on the image list
:param image_list(list): List of image id or name
"""
cli = self.swarm.client
if cli is not None:
try:
ret = cli.images(name=name,all=show_all,filters=filters)
except errors.NotFound as e:
print(e.explanation)
return
except errors.APIError as e:
print(e.explanation)
return
except errors.DockerException:
print(e.explanation)
return
finally:
cli.close()
if ret:
for image in ret:
# if image_list provide, then get images against it
if image_list is not None:
if not image['Id'].startswith(image_list) and\
not image['RepoTags'].startswith(image_list):
continue
image_id = image['Id'][:12]
# convert created timestamp to human-readable string
created_delta = datetime.now() - datetime.fromtimestamp(image['Created'])
if created_delta.days > 1:
created = '{day} days ago'.format(day=created_delta.days)
else:
created = timeformat(created_delta.seconds + created_delta.days * 86400)
# convert virtual size to human-readable string
virtual_size = byteformat(image['VirtualSize'],base=1000)
# get the longest created field length for pretty print
self.created_length = len(created) if len(created) > self.created_length\
else self.created_length
for repotag in image['RepoTags']:
repo, tag = repotag.split(':')
data = (repo, tag, image_id, created, virtual_size)
self.images.add(data)
# get the longest repo/tag field length for pretty print
self.repo_length = len(repo) if len(repo) > self.repo_length else self.repo_length
self.tag_length = len(tag) if len(tag) > self.tag_length else self.tag_length
def __call__(self):
cli = self.swarm.client
if cli is not None:
ret = cli.info()
cli.close()
string = '''\
Containers: {Containers}
Images: {Images}
{DriverStatus}
CPUs: {NCPU}
Total Memory: {MemTotal}
Name: {Name}\
'''.format(\
Containers=ret['Containers'],\
Images=ret['Images'],\
DriverStatus='\n'.join([ ': '.join((item[0].encode('utf8'), item[1].encode('utf8')))\
for item in ret['DriverStatus']]),\
NCPU=ret['NCPU'],\
MemTotal=byteformat(ret['MemTotal']),\
Name=ret['Name'])
print(string)
