def get_resource(self, key, extras):
"""
Retrieve one resource
"""
context = extras['nova_ctx']
try:
(loc, identifier) = key.rsplit('/', 1)
except ValueError:
raise AttributeError("Unexpected format for key %s" % key)
loc = loc + '/'
LOG.debug("Getting resource at %s with id: %s", loc, identifier)
try:
# XXX should use regular expressions?
if loc == infrastructure.COMPUTE.location:
compute_vm = vm.get_vm(identifier, context)
return self._construct_occi_compute(compute_vm, extras)
elif loc == infrastructure.STORAGE.location:
vol = storage.get_storage(identifier, context)
return self._construct_occi_storage(vol, extras)
elif loc in [infrastructure.STORAGELINK.location,
infrastructure.NETWORKINTERFACE.location]:
(compute_id, other_id) = identifier.split('_', 1)
compute_vm = vm.get_vm(compute_id, context)
occi_vm = self._construct_occi_compute(compute_vm, extras)
# look for the link
for link in occi_vm.links:
if link.identifier == key:
return link
elif loc == infrastructure.NETWORK.location:
return self.nets[identifier]
except exceptions.HTTPError:
# the nova_glue did not find the resource, just ignore
pass
# not found!
raise KeyError(key)
def get_image_architecture(uid, context):
"""
Extract architecture from either:
- image name, title or metadata. The architecture is sometimes
encoded in the image's name
- db::glance::image_properties could be used reliably so long as the
information is supplied when registering an image with glance.
- else return a default of x86
uid -- id of the instance!
context -- The os context.
"""
instance = vm.get_vm(uid, context)
arch = ''
uid = instance['image_ref']
img = IMAGE_API.show(context, uid)
img_properties = img['properties']
if 'arch' in img_properties:
arch = img['properties']['arch']
elif 'architecture' in img_properties:
arch = img['properties']['architecture']
if arch == '':
# if all attempts fail set it to a default value
arch = 'x86'
return arch
def add_floating_ip(uid, pool_name, context):
"""
Adds an ip to an VM instance.
uid -- id of the VM.
pool_name -- name of the pool
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
cached_nwinfo = utils.get_nw_info_for_instance(vm_instance)
if not cached_nwinfo:
raise AttributeError('No nw_info cache associated with instance')
fixed_ips = cached_nwinfo.fixed_ips()
if not fixed_ips:
raise AttributeError('No fixed ips associated to instance')
float_address = NETWORK_API.allocate_floating_ip(context, pool_name)
try:
address = fixed_ips[0]['address']
NETWORK_API.associate_floating_ip(context, vm_instance, float_address,
address)
except exception.FloatingIpAssociated:
msg = 'floating ip is already associated'
raise AttributeError(msg)
except exception.NoFloatingIpInterface:
msg = 'l3driver call to add floating ip failed'
raise AttributeError(msg)
return float_address
def add_floating_ip(uid, pool_name, context):
"""
Adds an ip to an VM instance.
uid -- id of the VM.
pool_name -- name of the pool
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
# FIXME: currently quantum driver has a notimplemented here :-(
# fixed_ips = NETWORK_API.get_fixed_ip(uid, context)
# NOTE(aloga): nova-network is still suported in Grizzly, so we
# should not drop support for it.
tmp = NETWORK_API.get_instance_nw_info(context, vm_instance)[0]
fixed_ip = tmp.fixed_ips()[0]['address']
float_address = NETWORK_API.allocate_floating_ip(context, pool_name)
try:
address = fixed_ip
NETWORK_API.associate_floating_ip(context, vm_instance,
float_address, address)
except Exception as e:
raise AttributeError(e.message)
return float_address
def add_floating_ip(uid, pool_name, context):
"""
Adds an ip to an VM instance.
uid -- id of the VM.
pool_name -- name of the pool
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
cached_nwinfo = utils.get_nw_info_for_instance(vm_instance)
if not cached_nwinfo:
raise AttributeError('No nw_info cache associated with instance')
fixed_ips = cached_nwinfo.fixed_ips()
if not fixed_ips:
raise AttributeError('No fixed ips associated to instance')
float_address = NETWORK_API.allocate_floating_ip(context, pool_name)
try:
address = fixed_ips[0]['address']
NETWORK_API.associate_floating_ip(context, vm_instance,
float_address, address)
except exception.FloatingIpAssociated:
msg = 'floating ip is already associated'
raise AttributeError(msg)
except exception.NoFloatingIpInterface:
msg = 'l3driver call to add floating ip failed'
raise AttributeError(msg)
return float_address
def add_floating_ip(uid, pool_name, context):
"""
Adds an ip to an VM instance.
uid -- id of the VM.
pool_name -- name of the pool
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
# FIXME: currently quantum driver has a notimplemented here :-(
# fixed_ips = NETWORK_API.get_fixed_ip(uid, context)
# NOTE(aloga): nova-network is still suported in Grizzly, so we
# should not drop support for it.
tmp = NETWORK_API.get_instance_nw_info(context, vm_instance)[0]
fixed_ip = tmp.fixed_ips()[0]['address']
float_address = NETWORK_API.allocate_floating_ip(context, pool_name)
try:
address = fixed_ip
NETWORK_API.associate_floating_ip(context, vm_instance, float_address,
address)
except Exception as e:
raise AttributeError(e.message)
return float_address
def remove_floating_ip(uid, address, context):
"""
Remove a given address from an VM instance.
uid -- Id of the VM.
address -- The ip address.
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
try:
NETWORK_API.disassociate_floating_ip(context, vm_instance, address)
NETWORK_API.release_floating_ip(context, address)
except Exception as e:
raise AttributeError(e.message)
def remove_floating_ip(uid, address, context):
"""
Remove a given address from an VM instance.
uid -- Id of the VM.
address -- The ip address.
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
try:
NETWORK_API.disassociate_floating_ip(context, vm_instance, address)
NETWORK_API.release_floating_ip(context, address)
except Exception as e:
raise AttributeError(e.message)
def _construct_occi_compute(self, identifier, extras):
"""
Construct a OCCI compute instance.
First item in result list is entity self!
Adds it to the cache too!
"""
result = []
context = extras['nova_ctx']
instance = vm.get_vm(identifier, context)
# 1. get identifier
iden = infrastructure.COMPUTE.location + identifier
entity = core_model.Resource(iden, infrastructure.COMPUTE,
[os_addon.OS_VM])
result.append(entity)
# 2. os and res templates
flavor_id = int(instance['instance_type_id'])
res_tmp = self.get_category('/' + str(flavor_id) + '/', extras)
if res_tmp:
entity.mixins.append(res_tmp)
os_id = instance['image_ref']
image_id = vm.retrieve_image(os_id, context)['id']
image_tmp = self.get_category('/' + image_id + '/', extras)
if image_tmp:
entity.mixins.append(image_tmp)
# 3. network links & get links from cache!
net_links = net.get_network_details(identifier, context)
for item in net_links['public']:
link = self._construct_network_link(item, entity, self.pub_net,
extras)
result.append(link)
for item in net_links['admin']:
link = self._construct_network_link(item, entity, self.adm_net,
extras)
result.append(link)
# core.id and cache it!
entity.attributes['occi.core.id'] = identifier
entity.extras = self.get_extras(extras)
self.cache[(entity.identifier, context.user_id)] = entity
return result
def _construct_occi_compute(self, identifier, extras):
"""
Construct a OCCI compute instance.
First item in result list is entity self!
Adds it to the cache too!
"""
result = []
context = extras['nova_ctx']
instance = vm.get_vm(identifier, context)
# 1. get identifier
iden = infrastructure.COMPUTE.location + identifier
entity = core_model.Resource(iden, infrastructure.COMPUTE,
[os_addon.OS_VM])
result.append(entity)
# 2. os and res templates
flavor_id = instance['instance_type'].flavorid
res_tmp = self.get_category('/' + flavor_id + '/', extras)
if res_tmp:
entity.mixins.append(res_tmp)
os_id = instance['image_ref']
image_id = storage.get_image(os_id, context)['id']
image_tmp = self.get_category('/' + image_id + '/', extras)
if image_tmp:
entity.mixins.append(image_tmp)
# 3. network links & get links from cache!
net_links = net.get_network_details(identifier, context)
for item in net_links['public']:
link = self._construct_network_link(item, entity, self.pub_net,
extras)
result.append(link)
for item in net_links['admin']:
link = self._construct_network_link(item, entity, self.adm_net,
extras)
result.append(link)
# core.id and cache it!
entity.attributes['occi.core.id'] = identifier
entity.extras = self.get_extras(extras)
self.cache[(entity.identifier, context.user_id)] = entity
return result
def remove_floating_ip(uid, address, context):
"""
Remove a given address from an VM instance.
uid -- Id of the VM.
address -- The ip address.
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
try:
NETWORK_API.disassociate_floating_ip(context, vm_instance, address)
NETWORK_API.release_floating_ip(context, address)
except exception.FloatingIpNotAssociated:
raise AttributeError('Unable to disassociate an unassociated '
'floating up!')
def remove_floating_ip(uid, address, context):
"""
Remove a given address from an VM instance.
uid -- Id of the VM.
address -- The ip address.
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
try:
NETWORK_API.disassociate_floating_ip(context, vm_instance, address)
NETWORK_API.release_floating_ip(context, address)
except exception.FloatingIpNotAssociated:
raise AttributeError('Unable to disassociate an unassociated '
'floating up!')
def get_network_details(uid, context):
"""
Extracts the VMs network adapter information.
uid -- Id of the VM.
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
result = {'public': [], 'admin': []}
try:
net_info = NETWORK_API.get_instance_nw_info(context, vm_instance)[0]
except IndexError:
LOG.warn('Unable to retrieve network information - this is because '
'of OpenStack!!')
return result
gw = net_info['network']['subnets'][0]['gateway']['address']
mac = net_info['address']
if len(net_info['network']['subnets'][0]['ips']) == 0:
tmp = {'floating_ips': [], 'address': '0.0.0.0'}
else:
tmp = net_info['network']['subnets'][0]['ips'][0]
for item in tmp['floating_ips']:
result['public'].append({
'interface': 'eth0',
'mac': 'aa:bb:cc:dd:ee:ff',
'state': 'active',
'address': item['address'],
'gateway': '0.0.0.0',
'allocation': 'static'
})
result['admin'].append({
'interface': 'eth0',
'mac': mac,
'state': 'active',
'address': tmp['address'],
'gateway': gw,
'allocation': 'static'
})
return result
def retrieve(self, entity, extras):
"""
Retrieve a VM.
"""
uid = entity.attributes['occi.core.id']
context = extras['nova_ctx']
instance = vm.get_vm(uid, context)
# set state and applicable actions!
# TODO: map to OCCI state!
state, actions = vm.get_vm_state(uid, context)
entity.attributes['occi.compute.state'] = state
entity.actions = actions
# set up to date attributes
entity.attributes['occi.compute.hostname'] = instance['hostname']
# TODO: check to get arch from OS!
entity.attributes['occi.compute.architecture'] = 'x86'
entity.attributes['occi.compute.cores'] = str(instance['vcpus'])
entity.attributes['occi.compute.speed'] = str(0.0) # N/A in instance
value = str(float(instance['memory_mb']) / 1024)
entity.attributes['occi.compute.memory'] = value
def retrieve(self, entity, extras):
"""
Retrieve a VM.
"""
uid = entity.attributes['occi.core.id']
context = extras['nova_ctx']
instance = vm.get_vm(uid, context)
# set state and applicable actions!
# TODO: map to OCCI state!
state, actions = vm.get_vm_state(uid, context)
entity.attributes['occi.compute.state'] = state
entity.actions = actions
# set up to date attributes
entity.attributes['occi.compute.hostname'] = instance['hostname']
# TODO: check to get arch from OS!
entity.attributes['occi.compute.architecture'] = 'x86'
entity.attributes['occi.compute.cores'] = str(instance['vcpus'])
entity.attributes['occi.compute.speed'] = str(0.0) # N/A in instance
value = str(float(instance['memory_mb']) / 1024)
entity.attributes['occi.compute.memory'] = value
def retrieve(self, entity, extras):
"""
Retrieve a VM.
"""
uid = entity.attributes["occi.core.id"]
context = extras["nova_ctx"]
instance = vm.get_vm(uid, context)
# set state and applicable actions!
# TODO: map to OCCI state!
state, actions = vm.get_vm_state(uid, context)
entity.attributes["occi.compute.state"] = state
entity.actions = actions
# set up to date attributes
entity.attributes["occi.compute.hostname"] = instance["hostname"]
# TODO: check to get arch from OS!
entity.attributes["occi.compute.architecture"] = "x86"
entity.attributes["occi.compute.cores"] = str(instance["vcpus"])
entity.attributes["occi.compute.speed"] = str(0.0) # N/A in instance
value = str(float(instance["memory_mb"]) / 1024)
entity.attributes["occi.compute.memory"] = value
def get_network_details(uid, context):
"""
Extracts the VMs network adapter information.
uid -- Id of the VM.
context -- The os context.
"""
vm_instance = vm.get_vm(uid, context)
result = {'public': [], 'admin': []}
try:
net_info = NETWORK_API.get_instance_nw_info(context, vm_instance)[0]
except IndexError:
LOG.warn('Unable to retrieve network information - this is because '
'of OpenStack!!')
return result
gw = net_info['network']['subnets'][0]['gateway']['address']
mac = net_info['address']
if len(net_info['network']['subnets'][0]['ips']) == 0:
tmp = {'floating_ips': [], 'address': '0.0.0.0'}
else:
tmp = net_info['network']['subnets'][0]['ips'][0]
for item in tmp['floating_ips']:
result['public'].append({'interface': 'eth0',
'mac': 'aa:bb:cc:dd:ee:ff',
'state': 'active',
'address': item['address'],
'gateway': '0.0.0.0',
'allocation': 'static'})
result['admin'].append({'interface': 'eth0',
'mac': mac,
'state': 'active',
'address': tmp['address'],
'gateway': gw,
'allocation': 'static'})
return result
def retrieve(self, entity, extras):
"""
Retrieve a VM.
"""
uid = entity.attributes['occi.core.id']
context = extras['nova_ctx']
instance = vm.get_vm(uid, context)
LOG.debug('Retrieving an Virtual machine: ' + repr(uid))
# set state and applicable actions!
state, actions = vm.get_occi_state(uid, context)
entity.attributes['occi.compute.state'] = state
entity.actions = actions
# set up to date attributes
entity.attributes['occi.compute.hostname'] = instance['hostname']
entity.attributes['occi.compute.architecture'] =\
storage.get_image_architecture(uid, extras['nova_ctx'])
entity.attributes['occi.compute.cores'] = str(instance['vcpus'])
entity.attributes['occi.compute.speed'] = str(0.0) # N/A in instance
value = str(float(instance['memory_mb']) / 1024)
entity.attributes['occi.compute.memory'] = value
def retrieve(self, entity, extras):
"""
Retrieve a VM.
"""
uid = entity.attributes['occi.core.id']
context = extras['nova_ctx']
instance = vm.get_vm(uid, context)
LOG.debug('Retrieving an Virtual machine: ' + repr(uid))
# set state and applicable actions!
state, actions = vm.get_occi_state(uid, context)
entity.attributes['occi.compute.state'] = state
entity.actions = actions
# set up to date attributes
entity.attributes['occi.compute.hostname'] = instance['hostname']
entity.attributes['occi.compute.architecture'] =\
storage.get_image_architecture(uid, extras['nova_ctx'])
entity.attributes['occi.compute.cores'] = str(instance['vcpus'])
entity.attributes['occi.compute.speed'] = str(0.0) # N/A in instance
value = str(float(instance['memory_mb']) / 1024)
entity.attributes['occi.compute.memory'] = value
def retrieve(self, entity, extras):
"""
Add OpenStack related actions.
"""
uid = entity.attributes['occi.core.id']
context = extras['nova_ctx']
# set additional actions
if 'occi.compute.state' in entity.attributes and entity.attributes[
'occi.compute.state'] == 'active':
entity.actions.append(os_addon.OS_CREATE_IMAGE)
entity.actions.append(os_addon.OS_CHG_PWD)
# add VNC link if available
console = vm.get_vnc(uid, context)
if console:
entity.attributes['org.openstack.compute.console.vnc'] =\
console['url']
else:
entity.attributes['org.openstack.compute.console.vnc'] = 'N/A'
# also expose the exact openstack state
entity.attributes['org.openstack.compute.state'] = \
vm.get_vm(uid, context)['vm_state']
def retrieve(self, entity, extras):
"""
Add OpenStack related actions.
"""
uid = entity.attributes['occi.core.id']
context = extras['nova_ctx']
# set additional actions
if 'occi.compute.state' in entity.attributes and entity.attributes[
'occi.compute.state'] == 'active':
entity.actions.append(os_addon.OS_CREATE_IMAGE)
entity.actions.append(os_addon.OS_CHG_PWD)
# add VNC link if available
console = vm.get_vnc(uid, context)
if console:
entity.attributes['org.openstack.compute.console.vnc'] =\
console['url']
else:
entity.attributes['org.openstack.compute.console.vnc'] = 'N/A'
# also expose the exact openstack state
entity.attributes['org.openstack.compute.state'] = \
vm.get_vm(uid, context)['vm_state']
def _construct_occi_compute(self, identifier, extras):
"""
Construct a OCCI compute instance.
First item in result list is entity self!
Adds it to the cache too!
"""
result = []
context = extras['nova_ctx']
instance = vm.get_vm(identifier, context)
# 1. get identifier
iden = infrastructure.COMPUTE.location + identifier
entity = core_model.Resource(iden, infrastructure.COMPUTE,
[os_addon.OS_VM])
result.append(entity)
# 2. os and res templates
flavor_id = int(instance['instance_type_id'])
res_tmp = self.get_category('/' + str(flavor_id) + '/', extras)
if res_tmp:
entity.mixins.append(res_tmp)
image_id = instance['image_ref']
image_tmp = self.get_category('/' + image_id + '/', extras)
if image_tmp:
entity.mixins.append(image_tmp)
# 3. network links & get links from cache!
net_links = net.get_network_details(identifier, context)
for item in net_links['public']:
link = self._construct_network_link(item, entity, self.pub_net,
extras)
result.append(link)
for item in net_links['admin']:
link = self._construct_network_link(item, entity, self.adm_net,
extras)
result.append(link)
# 4. storage links from the storage (and cache them)
stors = storage.get_storage_volumes(context)
for item in stors:
if item['status'] == 'in-use' and item['instance_uuid'] \
== identifier:
stor = core_model.Resource(
infrastructure.STORAGE.location +
item['id'],
infrastructure.STORAGE,
[])
stor.attributes['occi.core.id'] = item['id']
link = core_model.Link(infrastructure.STORAGELINK.location +
str(uuid.uuid4()),
infrastructure.STORAGELINK, [], entity,
stor)
link.attributes = {
'occi.storagelink.deviceid': item['mountpoint'],
'occi.storagelink.mountpoint': item['mountpoint'],
'occi.storagelink.state': 'active'}
link.extras = self.get_extras(extras)
entity.links.append(link)
result.append(link)
self.cache[(link.identifier, context.user_id)] = link
# core.id and cache it!
entity.attributes['occi.core.id'] = identifier
entity.extras = self.get_extras(extras)
self.cache[(entity.identifier, context.user_id)] = entity
return result
