def manage_docker_opts(opts, remove=False):
"""
Add or remove docker daemon options.
Options here will be merged with configured docker-opts when layer-docker
processes a daemon restart.
:param opts: Dictionary keys/values; use None value if the key is a flag
:param remove: Boolean True to remove the options; False to add them
:return: None
"""
try:
docker_opts = DockerOpts()
except Exception as e:
hookenv.log(e)
return
for k, v in opts.items():
# Always remove existing option
if docker_opts.exists(k):
docker_opts.pop(k)
if not remove:
docker_opts.add(k, v)
hookenv.log('DockerOpts daemon options changed. Requesting a restart.')
# State will be removed by layer-docker after restart
set_state('docker.restart')
def scrub_sdn_config():
''' If this scenario of states is true, we have likely broken a
relationship to our once configured SDN provider. This necessitates a
cleanup of the Docker Options for BIP and MTU of the presumed dead SDN
interface. '''
opts = DockerOpts()
try:
opts.pop('bip')
except KeyError:
hookenv.log('Unable to locate bip in Docker config.')
hookenv.log('Assuming no action required.')
try:
opts.pop('mtu')
except KeyError:
hookenv.log('Unable to locate mtu in Docker config.')
hookenv.log('Assuming no action required.')
# This method does everything we need to ensure the bridge configuration
# has been removed. restarting the daemon restores docker with its default
# networking mode.
_remove_docker_network_bridge()
recycle_daemon()
remove_state('docker.sdn.configured')
def scrub_sdn_config():
"""
If this scenario of states is true, we have likely broken a
relationship to our once configured SDN provider. This necessitates a
cleanup of the Docker Options for BIP and MTU of the presumed dead SDN
interface.
:return: None
"""
opts = DockerOpts()
try:
opts.pop('bip')
except KeyError:
hookenv.log('Unable to locate bip in Docker config.')
hookenv.log('Assuming no action required.')
try:
opts.pop('mtu')
except KeyError:
hookenv.log('Unable to locate mtu in Docker config.')
hookenv.log('Assuming no action required.')
# This method does everything we need to ensure the bridge configuration
# has been removed. restarting the daemon restores docker with its default
# networking mode.
_remove_docker_network_bridge()
recycle_daemon()
remove_state('docker.sdn.configured')
def container_sdn_setup(sdn):
''' Receive the information from the SDN plugin, and render the docker
engine options. '''
sdn_config = sdn.get_sdn_config()
bind_ip = sdn_config['subnet']
mtu = sdn_config['mtu']
if data_changed('bip', bind_ip) or data_changed('mtu', mtu):
status_set('maintenance', 'Configuring container runtime with SDN.')
opts = DockerOpts()
# This is a great way to misconfigure a docker daemon. Remove the
# existing bind ip and mtu values of the SDN
if opts.exists('bip'):
opts.pop('bip')
if opts.exists('mtu'):
opts.pop('mtu')
opts.add('bip', bind_ip)
opts.add('mtu', mtu)
_remove_docker_network_bridge()
set_state('docker.sdn.configured')
def container_sdn_setup(sdn):
''' Receive the information from the SDN plugin, and render the docker
engine options. '''
sdn_config = sdn.get_sdn_config()
bind_ip = sdn_config['subnet']
mtu = sdn_config['mtu']
if data_changed('bip', bind_ip) or data_changed('mtu', mtu):
status_set('maintenance', 'Configuring container runtime with SDN.')
opts = DockerOpts()
# This is a great way to misconfigure a docker daemon. Remove the
# existing bind ip and mtu values of the SDN
if opts.exists('bip'):
opts.pop('bip')
if opts.exists('mtu'):
opts.pop('mtu')
opts.add('bip', bind_ip)
opts.add('mtu', mtu)
_remove_docker_network_bridge()
set_state('docker.sdn.configured')
def manage_docker_opts(opts, remove=False):
'''Add or remove docker daemon options.
Options here will be merged with configured docker-opts when layer-docker
processes a daemon restart.
:param: dict opts: option keys/values; use None value if the key is a flag
:param: bool remove: True to remove the options; False to add them
'''
docker_opts = DockerOpts()
for k, v in opts.items():
# Always remove existing option
if docker_opts.exists(k):
docker_opts.pop(k)
if not remove:
docker_opts.add(k, v)
hookenv.log('DockerOpts daemon options changed. Requesting a restart.')
# State will be removed by layer-docker after restart
set_state('docker.restart')
def container_sdn_setup(sdn):
"""
Receive the information from the SDN plugin, and render the docker
engine options.
:param sdn: SDNPluginProvider
:return: None
"""
sdn_config = sdn.get_sdn_config()
bind_ip = sdn_config["subnet"]
mtu = sdn_config["mtu"]
if data_changed("bip", bind_ip) or data_changed("mtu", mtu):
status.maintenance("Configuring container runtime with SDN.")
opts = DockerOpts()
# This is a great way to misconfigure a docker daemon. Remove the
# existing bind ip and mtu values of the SDN
if opts.exists("bip"):
opts.pop("bip")
if opts.exists("mtu"):
opts.pop("mtu")
opts.add("bip", bind_ip)
opts.add("mtu", mtu)
_remove_docker_network_bridge()
set_state("docker.sdn.configured")
