def setup_links(instance, create_config, start_config):
"""
Sets up a container's config for rancher-managed links by removing the
docker native link configuration and emulating links through environment
variables.
Note that a non-rancher container (one created and started outside the
rancher API) container will not have its link configuration manipulated.
This is because on a container restart, we would not be able to properly
rebuild the link configuration because it depends on manipulating the
create_config.
"""
if not _has_service(instance, 'linkService') or is_nonrancher_container(
instance):
return
if 'links' in start_config:
del start_config['links']
result = {}
for link in instance.instanceLinks:
name = link.linkName
try:
for link_port in link.data.fields.ports:
proto = link_port.protocol
ip = link_port.ipAddress
dst = link_port.publicPort
port = link_port.privatePort
full_port = '{0}://{1}:{2}'.format(proto, ip, dst)
data = {
'NAME': '/cattle/{0}'.format(name),
'PORT': full_port,
'PORT_{0}_{1}'.format(port, proto): full_port,
'PORT_{0}_{1}_ADDR'.format(port, proto): ip,
'PORT_{0}_{1}_PORT'.format(port, proto): dst,
'PORT_{0}_{1}_PROTO'.format(port, proto): proto,
}
for k, v in data.items():
result['{0}_{1}'.format(name, k).upper()] = v
except AttributeError:
pass
if len(result) > 0:
add_to_env(create_config, **result)
def setup_ports(instance, create_config, start_config):
"""
Sets up a container's config for rancher-managed ports by removing the
native docker port configuration. We do this because rancher emulates ports
outside of Docker's direct purview to allow for multi-host networking.
Note that a non-rancher container (one created and started outside the
rancher API) will not have its port configuration manipulated. This is
because on a container restart, we would not be able to properly rebuild
the port config because it depends on manipulating the create_config.
"""
if not _has_service(instance, 'portService') or is_nonrancher_container(
instance):
return
if 'ports' in create_config:
del create_config['ports']
start_config['publish_all_ports'] = False
def setup_ports(instance, create_config, start_config):
"""
Sets up a container's config for rancher-managed ports by removing the
native docker port configuration. We do this because rancher emulates ports
outside of Docker's direct purview to allow for multi-host networking.
Note that a non-rancher container (one created and started outside the
rancher API) will not have its port configuration manipulated. This is
because on a container restart, we would not be able to properly rebuild
the port config because it depends on manipulating the create_config.
"""
if not _has_service(instance,
'portService') or is_nonrancher_container(instance):
return
if 'ports' in create_config:
del create_config['ports']
start_config['publish_all_ports'] = False
def setup_links(instance, create_config, start_config):
"""
Sets up a container's config for rancher-managed links by removing the
docker native link configuration and emulating links through environment
variables.
Note that a non-rancher container (one created and started outside the
rancher API) container will not have its link configuration manipulated.
This is because on a container restart, we would not be able to properly
rebuild the link configuration because it depends on manipulating the
create_config.
"""
if not _has_service(instance, 'linkService') or is_nonrancher_container(
instance):
return
if 'links' in start_config:
del start_config['links']
result = {}
for link in instance.instanceLinks:
link_name = link.linkName
_add_link_env(link_name, link, result)
_copy_link_env(link_name, link, result)
try:
for name in link.data.fields.instanceNames:
_add_link_env(name, link, result, in_ip=link_name)
_copy_link_env(name, link, result)
# This does assume the format {env}_{name}
parts = name.split('_', 1)
if len(parts) == 1:
continue
_add_link_env(parts[1], link, result, in_ip=link_name)
_copy_link_env(parts[1], link, result)
except AttributeError:
pass
if len(result) > 0:
add_to_env(create_config, **result)
def setup_links(instance, create_config, start_config):
"""
Sets up a container's config for rancher-managed links by removing the
docker native link configuration and emulating links through environment
variables.
Note that a non-rancher container (one created and started outside the
rancher API) container will not have its link configuration manipulated.
This is because on a container restart, we would not be able to properly
rebuild the link configuration because it depends on manipulating the
create_config.
"""
if not _has_service(instance,
'linkService') or is_nonrancher_container(instance):
return
if 'links' in start_config:
del start_config['links']
result = {}
for link in instance.instanceLinks:
link_name = link.linkName
_add_link_env(link_name, link, result)
_copy_link_env(link_name, link, result)
try:
for name in link.data.fields.instanceNames:
_add_link_env(name, link, result, in_ip=link_name)
_copy_link_env(name, link, result)
# This does assume the format {env}_{name}
parts = name.split('_', 1)
if len(parts) == 1:
continue
_add_link_env(parts[1], link, result, in_ip=link_name)
_copy_link_env(parts[1], link, result)
except AttributeError:
pass
if len(result) > 0:
add_to_env(create_config, **result)
