def _ComputeInstanceGroupSize(items, client, resources):
"""Add information about Instance Group size."""
errors = []
zone_refs = [
resources.Parse(
mig['zone'],
params={'project': properties.VALUES.core.project.GetOrFail},
collection='compute.zones') for mig in items if 'zone' in mig
]
region_refs = [
resources.Parse(
mig['region'],
params={'project': properties.VALUES.core.project.GetOrFail},
collection='compute.regions') for mig in items if 'region' in mig
]
zonal_instance_groups = []
for project, zone_refs in GroupByProject(zone_refs).iteritems():
zonal_instance_groups.extend(
lister.GetZonalResources(
service=client.apitools_client.instanceGroups,
project=project,
requested_zones=set([zone.zone for zone in zone_refs]),
filter_expr=None,
http=client.apitools_client.http,
batch_url=client.batch_url,
errors=errors))
regional_instance_groups = []
if getattr(client.apitools_client, 'regionInstanceGroups', None):
for project, region_refs in GroupByProject(region_refs).iteritems():
regional_instance_groups.extend(
lister.GetRegionalResources(
service=client.apitools_client.regionInstanceGroups,
project=project,
requested_regions=set(
[region.region for region in region_refs]),
filter_expr=None,
http=client.apitools_client.http,
batch_url=client.batch_url,
errors=errors))
instance_groups = zonal_instance_groups + regional_instance_groups
instance_group_uri_to_size = {
ig.selfLink: ig.size
for ig in instance_groups
}
if errors:
utils.RaiseToolException(errors)
for item in items:
self_link = item['selfLink']
gm_self_link = self_link.replace('/instanceGroupManagers/',
'/instanceGroups/')
item['size'] = str(instance_group_uri_to_size.get(gm_self_link, ''))
yield item
def GetZonalResources(self, **kwargs):
args = dict(
service=self.compute.instances,
project='my-project',
requested_zones=[],
filter_expr=None,
http=self.mock_http,
batch_url=self.batch_url,
errors=[])
args.update(kwargs)
return lister.GetZonalResources(**args)
def GetResources(self, args, errors):
zone_names = [
self.CreateGlobalReference(zone, resource_type='zones').Name()
for zone in args.zones
]
return lister.GetZonalResources(service=self.service,
project=self.project,
requested_zones=zone_names,
filter_expr=self.GetFilterExpr(args),
http=self.http,
batch_url=self.batch_url,
errors=errors)
def GetInstances(self):
"""Returns a generator of all instances in the project."""
compute = self.compute
errors = []
instances = lister.GetZonalResources(service=compute.instances,
project=self.project,
requested_zones=None,
filter_expr=None,
http=self.http,
batch_url=self.batch_url,
errors=errors)
if errors:
base_classes.RaiseToolException(
errors, error_message='Could not fetch all instances:')
return instances
def GetRunningInstances(self, client):
"""Returns a generator of all running instances in the project."""
errors = []
instances = lister.GetZonalResources(
service=client.apitools_client.instances,
project=properties.VALUES.core.project.GetOrFail(),
requested_zones=None,
filter_expr='status eq RUNNING',
http=client.apitools_client.http,
batch_url=client.batch_url,
errors=errors)
if errors:
utils.RaiseToolException(
errors, error_message='Could not fetch all instances:')
return instances
def ObtainInstances(cls, names, **kwargs):
"""Returns a list of instances according to the flags."""
errors = []
result = lister.GetZonalResources(
service=kwargs['service'],
project=kwargs['project'],
requested_zones=kwargs['zones'],
filter_expr=kwargs['filters'],
http=kwargs['http'],
batch_url=kwargs['batch_url'],
errors=errors)
instances = list(result)
# We filter them according to the names
filtered_instances = []
if not names:
filtered_instances = instances
else:
for name in names:
# First compare by name
name_match = None
in_name = None
in_self_link = None
for instance in instances:
if name == instance.name:
# Exact name match has a priority
# over loose match on instance name or selfLink
name_match = instance
break
elif name in instance.name:
in_name = instance
elif name in instance.selfLink:
in_self_link = instance
if name_match:
filtered_instances.append(name_match)
elif in_name:
filtered_instances.append(in_name)
elif in_self_link:
filtered_instances.append(in_self_link)
return filtered_instances
def ComputeInstanceGroupManagerMembership(
compute,
resources,
http,
batch_url,
items,
filter_mode=(InstanceGroupFilteringMode.ALL_GROUPS)):
"""Add information if instance group is managed.
Args:
compute: GCE Compute API client,
resources: resource registry,
http: http client,
batch_url: str, batch url
items: list of instance group messages,
filter_mode: InstanceGroupFilteringMode, managed/unmanaged filtering options
Returns:
list of instance groups with computed dynamic properties
"""
errors = []
items = list(items)
zone_links = set([ig['zone'] for ig in items if 'zone' in ig])
project_to_zones = {}
for zone in zone_links:
zone_ref = resources.Parse(
zone,
params={
'project': properties.VALUES.core.project.GetOrFail,
},
collection='compute.zones')
if zone_ref.project not in project_to_zones:
project_to_zones[zone_ref.project] = set()
project_to_zones[zone_ref.project].add(zone_ref.zone)
zonal_instance_group_managers = []
for project, zones in project_to_zones.iteritems():
zonal_instance_group_managers.extend(
lister.GetZonalResources(service=compute.instanceGroupManagers,
project=project,
requested_zones=zones,
filter_expr=None,
http=http,
batch_url=batch_url,
errors=errors))
regional_instance_group_managers = []
if hasattr(compute, 'regionInstanceGroups'):
# regional instance groups are just in 'alpha' API
region_links = set([ig['region'] for ig in items if 'region' in ig])
project_to_regions = {}
for region in region_links:
region_ref = resources.Parse(region, collection='compute.regions')
if region_ref.project not in project_to_regions:
project_to_regions[region_ref.project] = set()
project_to_regions[region_ref.project].add(region_ref.region)
for project, regions in project_to_regions.iteritems():
regional_instance_group_managers.extend(
lister.GetRegionalResources(
service=compute.regionInstanceGroupManagers,
project=project,
requested_regions=regions,
filter_expr=None,
http=http,
batch_url=batch_url,
errors=errors))
instance_group_managers = (list(zonal_instance_group_managers) +
list(regional_instance_group_managers))
instance_group_managers_refs = set([
path_simplifier.ScopedSuffix(igm.selfLink)
for igm in instance_group_managers
])
if errors:
utils.RaiseToolException(errors)
results = []
for item in items:
self_link = item['selfLink']
igm_self_link = self_link.replace('/instanceGroups/',
'/instanceGroupManagers/')
scoped_suffix = path_simplifier.ScopedSuffix(igm_self_link)
is_managed = scoped_suffix in instance_group_managers_refs
if (is_managed and filter_mode
== InstanceGroupFilteringMode.ONLY_UNMANAGED_GROUPS):
continue
elif (not is_managed and filter_mode
== InstanceGroupFilteringMode.ONLY_MANAGED_GROUPS):
continue
item['isManaged'] = ('Yes' if is_managed else 'No')
if is_managed:
item['instanceGroupManagerUri'] = igm_self_link
results.append(item)
return results
def ComputeInstanceGroupManagerMembership(
compute,
project,
http,
batch_url,
items,
filter_mode=(InstanceGroupFilteringMode.ALL_GROUPS)):
"""Add information if instance group is managed.
Args:
compute: GCE Compute API client,
project: str, project name
http: http client,
batch_url: str, batch url
items: list of instance group messages,
filter_mode: InstanceGroupFilteringMode, managed/unmanaged filtering options
Returns:
list of instance groups with computed dynamic properties
"""
errors = []
items = list(items)
zone_names = set(
[path_simplifier.Name(ig['zone']) for ig in items if 'zone' in ig])
region_names = set(
[path_simplifier.Name(ig['region']) for ig in items if 'region' in ig])
if zone_names:
zonal_instance_group_managers = lister.GetZonalResources(
service=compute.instanceGroupManagers,
project=project,
requested_zones=zone_names,
filter_expr=None,
http=http,
batch_url=batch_url,
errors=errors)
else:
zonal_instance_group_managers = []
if region_names and hasattr(compute, 'regionInstanceGroups'):
# regional instance groups are just in 'alpha' API
regional_instance_group_managers = lister.GetRegionalResources(
service=compute.regionInstanceGroupManagers,
project=project,
requested_regions=region_names,
filter_expr=None,
http=http,
batch_url=batch_url,
errors=errors)
else:
regional_instance_group_managers = []
instance_group_managers = (list(zonal_instance_group_managers) +
list(regional_instance_group_managers))
instance_group_managers_refs = set([
path_simplifier.ScopedSuffix(igm.selfLink)
for igm in instance_group_managers
])
if errors:
utils.RaiseToolException(errors)
results = []
for item in items:
self_link = item['selfLink']
igm_self_link = self_link.replace('/instanceGroups/',
'/instanceGroupManagers/')
scoped_suffix = path_simplifier.ScopedSuffix(igm_self_link)
is_managed = scoped_suffix in instance_group_managers_refs
if (is_managed and filter_mode
== InstanceGroupFilteringMode.ONLY_UNMANAGED_GROUPS):
continue
elif (not is_managed and filter_mode
== InstanceGroupFilteringMode.ONLY_MANAGED_GROUPS):
continue
item['isManaged'] = ('Yes' if is_managed else 'No')
if is_managed:
item['instanceGroupManagerUri'] = igm_self_link
results.append(item)
return results
