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Mitaka Glance 503 Service Unavailable: The server is currently unavailable. Please try again at a later time. (HTTP 503)

 I followed the exact same steps as per openstack mitaka documentation for centos7 and pretty sure that i didnt misconfigure anything. Infact i tried to configure from scratch in a new VM  and got the same error. It looks like a bug but am unable to trace anything. Any help would be much appreciated. I've added few new lines between logs for better viewing in browser.

Below is my config file

# cat /etc/glance/glance-api.conf
[database]

connection = mysql+pymysql://glance:glance@controller/glance

[glance_store]

stores = file,http

default_store = file

filesystem_store_datadir = /var/lib/glance/images/


[keystone_authtoken]

auth_uri = http://controller:5000

auth_url = http://controller:35357

memcached_servers = controller:11211

auth_type = password

project_domain_name = default

user_domain_name = default

project_name = service

username = glance

password = glance


[paste_deploy]

flavor = keystone



# cat /etc/glance/glance-registry.conf 
[database]

connection = mysql+pymysql://glance:glance@controller/glance

[keystone_authtoken]

auth_uri = http://controller:5000

auth_url = http://controller:35357

memcached_servers = controller:11211

auth_type = password

project_domain_name = default

user_domain_name = default

project_name = service

username = glance

password = glance

[paste_deploy]

flavor = keystone

# cat admin-openrc

export OS_PROJECT_DOMAIN_NAME=default

export OS_USER_DOMAIN_NAME=default

export OS_PROJECT_NAME=admin

export OS_USERNAME=admin

export OS_PASSWORD=admin

export OS_AUTH_URL=http://controller:35357/v3

export OS_IDENTITY_API_VERSION=3

export OS_IMAGE_API_VERSION=2


# openstack image create "cirros" --file cirros-0.3.4-x86_64-disk.img --disk-format qcow2 --container-format bare --public -vvv

START with options: ['image', 'create', 'cirros', '--file', 'cirros-0.3.4-x86_64-disk.img', '--disk-format', 'qcow2', '--container-format', 'bare', '--public', '-vvv']
options: Namespace(access_token_endpoint='', auth_type='', auth_url='http://controller:35357/v3', cacert='', client_id='', client_secret='***', cloud='', debug=False, default_domain='default', deferred_help=False, domain_id='', domain_name='', endpoint='', identity_provider='', insecure=None, interface='', log_file=None, os_compute_api_version='', os_identity_api_version='3', os_image_api_version='2', os_network_api_version='', os_object_api_version='', os_project_id=None, os_project_name=None, os_volume_api_version='', password='***', profile=None, project_domain_id='', project_domain_name='default', project_id='', project_name='admin', protocol='', region_name='', scope='', timing=False, token='***', trust_id='', url='', user_domain_id='', user_domain_name='default', user_id='', username='admin', verbose_level=4, verify=None)
defaults: {u'auth_type': 'password', u'compute_api_version': u'2', 'key': None, u'database_api_version': u'1.0', 'api_timeout': None, u'baremetal_api_version': u'1', u'image_api_version': u'2', 'cacert': None, u'image_api_use_tasks': False, u'floating_ip_source': u'neutron', u'orchestration_api_version': u'1', u'interface': None, u'network_api_version': u'2', u'image_format': u'qcow2', u'key_manager_api_version': u'v1', u'metering_api_version': u'2', 'verify': True, u'identity_api_version': u'2.0', u'volume_api_version': u'2', 'cert': None, u'secgroup_source': u'neutron', u'container_api_version': u'1', u'dns_api_version': u'2', u'object_store_api_version': u'1', u'disable_vendor_agent': {}}
cloud cfg: {'auth_type': 'password', u'compute_api_version': u'2', 'key': None, u'database_api_version': u'1.0', 'cacert': None, u'network_api_version': u'2', u'image_format': u'qcow2', u'image_api_version': '2', 'verify': True, u'dns_api_version': u'2', u'object_store_api_version': u'1', 'verbose_level': 4, 'region_name': '', 'api_timeout': None, u'baremetal_api_version': u'1', 'auth': {'username': 'admin', 'project_name': 'admin', 'user_domain_name': 'default', 'auth_url': 'http://controller:35357/v3', 'password': '***', 'project_domain_name': 'default'}, 'default_domain': 'default', u'image_api_use_tasks': False, u'floating_ip_source': u'neutron', u'orchestration_api_version': u'1', 'timing': False, u'key_manager_api_version': u'v1', u'metering_api_version': u'2', 'deferred_help': False, u'identity_api_version': '3', u'volume_api_version': u'2', 'cert': None, u'secgroup_source': u'neutron', u'container_api_version': u'1', u'interface': None, u'disable_vendor_agent': {}}


compute API version 2, cmd group openstack.compute.v2
network API version 2, cmd group openstack.network.v2
image API version 2, cmd group openstack.image.v2
volume API version 2, cmd group openstack.volume.v2
identity API version 3, cmd group openstack.identity.v3
object_store API version 1, cmd group openstack.object_store.v1
command: image create -> openstackclient.image.v2.image.CreateImage
Auth plugin password selected
auth_type: password
Using auth plugin: password

Using parameters {'username': 'admin', 'project_name': 'admin', 'auth_url': 'http://controller:35357/v3', 'user_domain_name': 'default', 'password': '***', 'project_domain_name': 'default'}

Get auth_ref

REQ: curl -g -i -X GET http://controller:35357/v3 -H "Accept: application/json" -H "User-Agent: python-openstackclient keystoneauth1/2.4.1 python-requests/2.10.0 CPython/2.7.5"

RESP: [200] Date: Sun, 31 Jul 2016 14:24:58 GMT Server: Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 Vary: X-Auth-Token x-openstack-request-id: req-ce592645-d500-4bcb-ba0b-2a947b016ddc Content-Length: 250 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: application/json

RESP BODY: {"version": {"status": "stable", "updated": "2016-04-04T00:00:00Z", "media-types": [{"base": "application/json", "type": "application/vnd.openstack.identity-v3+json"}], "id": "v3.6", "links": [{"href": "http://controller:35357/v3/", "rel": "self"}]}}

Making authentication request to http://controller:35357/v3/auth/tokens
run(Namespace(checksum=None, columns=[], container_format='bare', copy_from=None, disk_format='qcow2', file='cirros-0.3.4-x86_64-disk.img', force=False, formatter='table', id=None, location=None, max_width=0, min_disk=None, min_ram=None, name='cirros', noindent=False, owner=None, prefix='', private=False, project=None, project_domain=None, properties=None, protected=False, public=True, size=None, store=None, tags=None, unprotected=False, variables=[], volume=None))

Instantiating identity client: <class 'keystoneclient.v3.client.Client'>
Instantiating image client: <class 'glanceclient.v2.client.Client'>
Making authentication request to http://controller:35357/v3/auth/tokens
Instantiating image api: <class 'openstackclient.api.image_v2.APIv2'>

curl -g -i -X GET -H 'Accept-Encoding: gzip, deflate' -H 'Accept: */*' -H 'X-Auth-Token: {SHA1}b4b0df8d536bc4fcf32eaef39e757077aa141037' -H 'Connection: keep-alive' -H 'User-Agent: python-glanceclient' -H 'Content-Type: application/octet-stream' http://controller:9292/v2/schemas/image

Request returned failure status 503.

503 Service Unavailable: The server is currently unavailable. Please try again at a later time. (HTTP 503)

clean_up CreateImage: 503 Service Unavailable: The server is currently unavailable. Please try again at a later time. (HTTP 503)

END return value: 1