openstack/heat-translator
Code Issues Proposed changes

Improve and fix images & flavors handling

Browse Source 
Fix images matching algo (exact match favored compared to partial match)
Cache images & flavors list
Fix OpenStack session init logic (was called too late and only on deploy)

Change-Id: I6c723f03925a8b2c4b3408fcfb6c78d5af47328d
This commit is contained in:
Mathieu Velten 2016-07-26 13:28:08 +02:00
parent 7a2fa32b83
commit e60d85ed7a
4 changed files with 73 additions and 34 deletions
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24
translator/common/flavors.py
View File

@ -12,17 +12,17 @@
import logging
# NOTE(aloga): this should be safe. If we do not have the clients, we won't
# have the session below, therefore the clients won't be ever called.
try:
import novaclient.client
client_available = True
except ImportError:
client_available = False
pass
log = logging.getLogger('heat-translator')
_FLAVORS = {
PREDEF_FLAVORS = {
'm1.xlarge': {'mem_size': 16384, 'disk_size': 160, 'num_cpus': 8},
'm1.large': {'mem_size': 8192, 'disk_size': 80, 'num_cpus': 4},
'm1.medium': {'mem_size': 4096, 'disk_size': 40, 'num_cpus': 2},
@ -34,10 +34,16 @@ _FLAVORS = {
SESSION = None
FLAVORS = {}
def get_flavors():
ret = {}
if SESSION is not None:
global FLAVORS
if FLAVORS:
return FLAVORS
if SESSION is not None and client_available:
try:
client = novaclient.client.Client("2", session=SESSION)
except Exception as e:
@ -46,9 +52,13 @@ def get_flavors():
'Openstack Exception: %s') % str(e))
else:
for flv in client.flavors.list(detailed=True):
ret[str(flv.name)] = {
FLAVORS[str(flv.name)] = {
"mem_size": flv.ram,
"disk_size": flv.disk,
"num_cpus": flv.vcpus
}
return ret or _FLAVORS
if not FLAVORS:
FLAVORS = PREDEF_FLAVORS
return FLAVORS

26
translator/common/images.py
View File

@ -12,17 +12,17 @@
import logging
# NOTE(aloga): this should be safe. If we do not have the clients, we won't
# have the session below, therefore the clients won't be ever called.
try:
import glanceclient.client
client_available = True
except ImportError:
client_available = False
pass
log = logging.getLogger('heat-translator')
_IMAGES = {
PREDEF_IMAGES = {
'ubuntu-software-config-os-init': {'architecture': 'x86_64',
'type': 'Linux',
'distribution': 'Ubuntu',
@ -59,11 +59,16 @@ _IMAGES = {
SESSION = None
IMAGES = {}
def get_images():
ret = {}
global IMAGES
if SESSION is not None:
if IMAGES:
return IMAGES
if SESSION is not None and client_available:
try:
client = glanceclient.client.Client("2", session=SESSION)
except Exception as e:
@ -72,10 +77,15 @@ def get_images():
'Openstack Exception: %s') % str(e))
else:
for image in client.images.list():
image_name = image.name.encode('ascii', 'ignore')
metadata = ["architecture", "type", "distribution", "version"]
if any(key in image.keys() for key in metadata):
ret = [image["name"]] = {}
IMAGES[image_name] = {}
for key in metadata:
if key in image.keys():
ret[image["name"]][key] = image[key]
return ret or _IMAGES
IMAGES[image_name][key] = image[key]
if not IMAGES:
IMAGES = PREDEF_IMAGES
return IMAGES

3
translator/hot/tosca/tosca_compute.py
View File

@ -186,7 +186,10 @@ class ToscaCompute(HotResource):
return this_list
matching_images = []
for image in this_list:
if attr in this_dict[image]:
if this_dict[image][attr].lower() == str(prop).lower():
matching_images.insert(0, image)
else:
matching_images.append(image)
return matching_images

38
translator/shell.py
View File

@ -22,12 +22,19 @@ import yaml
# NOTE(aloga): As per upstream developers requirement this needs to work
# without the clients, therefore we need to pass if we cannot import them
try:
import heatclient.client
from keystoneauth1 import loading
except ImportError:
has_clients = False
keystone_client_avail = False
else:
has_clients = True
keystone_client_avail = True
try:
import heatclient.client
except ImportError:
heat_client_avail = False
else:
heat_client_avail = True
from toscaparser.tosca_template import ToscaTemplate
from toscaparser.utils.gettextutils import _
@ -103,7 +110,7 @@ class TranslatorShell(object):
return parser
def _append_global_identity_args(self, parser, argv):
if not has_clients:
if not keystone_client_avail:
return
loading.register_session_argparse_arguments(parser)
@ -138,13 +145,8 @@ class TranslatorShell(object):
'validation.') % {'template_file': template_file})
print(msg)
else:
hot = self._translate(template_type, template_file,
parsed_params, a_file, deploy)
if hot and deploy:
if not has_clients:
raise RuntimeError(_('Could not find OpenStack '
'clients and libs, aborting '))
if keystone_client_avail:
try:
keystone_auth = (
loading.load_auth_from_argparse_arguments(args)
)
@ -156,6 +158,20 @@ class TranslatorShell(object):
)
images.SESSION = keystone_session
flavors.SESSION = keystone_session
except Exception:
keystone_session = None
hot = self._translate(template_type, template_file,
parsed_params, a_file, deploy)
if hot and deploy:
if not keystone_client_avail or not heat_client_avail:
raise RuntimeError(_('Could not find Heat or Keystone'
'client to deploy, aborting '))
if not keystone_session:
raise RuntimeError(_('Impossible to login with '
'Keystone to deploy on Heat, '
'please check your credentials'))
self.deploy_on_heat(keystone_session, keystone_auth,
hot, parsed_params)