iframe-proxy | Sunbelt Computer Software

Repository navigation

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

from __future__ import unicode_literals

from __future__ import absolute_import

import six

from functools import reduce

from .const import LABEL_CONTAINER_NUMBER, LABEL_SERVICE

class Container(object):

"""

Represents a Docker container, constructed from the output of

GET /containers/:id:/json.

"""

def __init__(self, client, dictionary, has_been_inspected=False):

self.client = client

self.dictionary = dictionary

self.has_been_inspected = has_been_inspected

@classmethod

def from_ps(cls, client, dictionary, **kwargs):

"""

Construct a container object from the output of GET /containers/json.

"""

new_dictionary = {

'Id': dictionary['Id'],

'Image': dictionary['Image'],

'Name': '/' + get_container_name(dictionary),

}

return cls(client, new_dictionary, **kwargs)

@classmethod

def from_id(cls, client, id):

return cls(client, client.inspect_container(id))

@classmethod

def create(cls, client, **options):

response = client.create_container(**options)

return cls.from_id(client, response['Id'])

@property

def id(self):

return self.dictionary['Id']

@property

def image(self):

return self.dictionary['Image']

@property

def image_config(self):

return self.client.inspect_image(self.image)

@property

def short_id(self):

return self.id[:10]

@property

def name(self):

return self.dictionary['Name'][1:]

@property

def name_without_project(self):

return '{0}_{1}'.format(self.labels.get(LABEL_SERVICE), self.number)

@property

def number(self):

number = self.labels.get(LABEL_CONTAINER_NUMBER)

if not number:

raise ValueError("Container {0} does not have a {1} label".format(

self.short_id, LABEL_CONTAINER_NUMBER))

return int(number)

@property

def ports(self):

self.inspect_if_not_inspected()

return self.get('NetworkSettings.Ports') or {}

@property

def human_readable_ports(self):

def format_port(private, public):

if not public:

return private

return '{HostIp}:{HostPort}->{private}'.format(

private=private, **public[0])

return ', '.join(format_port(*item)

for item in sorted(six.iteritems(self.ports)))

@property

def labels(self):

return self.get('Config.Labels') or {}

@property

def log_config(self):

return self.get('HostConfig.LogConfig') or None

@property

def human_readable_state(self):

if self.is_running:

return 'Ghost' if self.get('State.Ghost') else 'Up'

else:

return 'Exit %s' % self.get('State.ExitCode')

@property

def human_readable_command(self):

entrypoint = self.get('Config.Entrypoint') or []

cmd = self.get('Config.Cmd') or []

return ' '.join(entrypoint + cmd)

@property

def environment(self):

return dict(var.split("=", 1) for var in self.get('Config.Env') or [])

@property

def is_running(self):

return self.get('State.Running')

def get(self, key):

"""Return a value from the container or None if the value is not set.

:param key: a string using dotted notation for nested dictionary

lookups

"""

self.inspect_if_not_inspected()

def get_value(dictionary, key):

return (dictionary or {}).get(key)

return reduce(get_value, key.split('.'), self.dictionary)

def get_local_port(self, port, protocol='tcp'):

port = self.ports.get("%s/%s" % (port, protocol))

return "{HostIp}:{HostPort}".format(**port[0]) if port else None

def start(self, **options):

return self.client.start(self.id, **options)

def stop(self, **options):

return self.client.stop(self.id, **options)

def kill(self, **options):

return self.client.kill(self.id, **options)

def restart(self, **options):

return self.client.restart(self.id, **options)

def remove(self, **options):

return self.client.remove_container(self.id, **options)

def inspect_if_not_inspected(self):

if not self.has_been_inspected:

self.inspect()

def wait(self):

return self.client.wait(self.id)

def logs(self, *args, **kwargs):

return self.client.logs(self.id, *args, **kwargs)

def inspect(self):

self.dictionary = self.client.inspect_container(self.id)

self.has_been_inspected = True

return self.dictionary

# TODO: only used by tests, move to test module

def links(self):

links = []

for container in self.client.containers():

for name in container['Names']:

bits = name.split('/')

if len(bits) > 2 and bits[1] == self.name:

links.append(bits[2])

return links

def attach(self, *args, **kwargs):

return self.client.attach(self.id, *args, **kwargs)

def attach_socket(self, **kwargs):

return self.client.attach_socket(self.id, **kwargs)

def __repr__(self):

return '<Container: %s (%s)>' % (self.name, self.id[:6])

def __eq__(self, other):

if type(self) != type(other):

return False

return self.id == other.id

def __hash__(self):

return self.id.__hash__()

def get_container_name(container):

if not container.get('Name') and not container.get('Names'):

return None

# inspect

if 'Name' in container:

return container['Name']

# ps

shortest_name = min(container['Names'], key=lambda n: len(n.split('/')))

return shortest_name.split('/')[-1]

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Repository navigation

container.py

container.py

Sunbelt Computer Software

PL/B Language Development and Support

FilesExpand file tree

container.py

Latest commit

History

container.py

File metadata and controls