Hi,

   I am using the Openstack USURI version in Centos7. Due to some issues my disk size is full,I freed up the space. Afte that some service went down. After that I have issues in creating the stack and list stack. Attached the Screenshot for your reference

[opnfv@aio1 ~]$ openstack stack list --debug
START with options: stack list --debug
options: Namespace(access_token='***', access_token_endpoint='', access_token_type='', application_credential_id='', application_credential_name='', application_credential_secret='***', auth_methods='', auth_type='', auth_url='http://10.200.134.218:5000/v3', cacert=None, cert='', client_id='', client_secret='***', cloud='', code='', debug=True, default_domain='default', default_domain_id='', default_domain_name='', deferred_help=False, discovery_endpoint='', domain_id='', domain_name='', endpoint='', identity_provider='', insecure=None, interface='public', key='', log_file=None, openid_scope='', os_beta_command=False, os_compute_api_version='', os_identity_api_version='3', os_image_api_version='', os_network_api_version='', os_object_api_version='', os_orchestration_api_version='1', os_project_id=None, os_project_name=None, os_volume_api_version='', passcode='', password='***', project_domain_id='default', project_domain_name='', project_id='0e75229392c54a398ab302a8e43aebe6', project_name='admin', protocol='', redirect_uri='', region_name='RegionOne', remote_project_domain_id='', remote_project_domain_name='', remote_project_id='', remote_project_name='', service_provider='', system_scope='', timing=False, token='***', trust_id='', user_domain_id='', user_domain_name='Default', user_id='', username='admin', verbose_level=3, verify=None)
Auth plugin password selected
auth_config_hook(): {'api_timeout': None, 'verify': True, 'cacert': None, 'cert': None, 'key': None, 'baremetal_status_code_retries': '5', 'baremetal_introspection_status_code_retries': '5', 'image_status_code_retries': '5', 'disable_vendor_agent': {}, 'interface': 'public', 'floating_ip_source': 'neutron', 'image_api_use_tasks': False, 'image_format': 'qcow2', 'message': '', 'network_api_version': '2', 'object_store_api_version': '1', 'secgroup_source': 'neutron', 'status': 'active', 'auth': {'user_domain_name': 'Default', 'project_domain_id': 'default', 'project_id': '0e75229392c54a398ab302a8e43aebe6', 'project_name': 'admin'}, 'verbose_level': 3, 'deferred_help': False, 'debug': True, 'region_name': 'RegionOne', 'default_domain': 'default', 'timing': False, 'username': 'admin', 'password': '***', 'auth_url': 'http://10.200.134.218:5000/v3', 'beta_command': False, 'identity_api_version': '3', 'orchestration_api_version': '1', 'auth_type': 'password', 'networks': []}
defaults: {'api_timeout': None, 'verify': True, 'cacert': None, 'cert': None, 'key': None, 'auth_type': 'password', 'baremetal_status_code_retries': 5, 'baremetal_introspection_status_code_retries': 5, 'image_status_code_retries': 5, 'disable_vendor_agent': {}, 'interface': None, 'floating_ip_source': 'neutron', 'image_api_use_tasks': False, 'image_format': 'qcow2', 'message': '', 'network_api_version': '2', 'object_store_api_version': '1', 'secgroup_source': 'neutron', 'status': 'active'}
cloud cfg: {'api_timeout': None, 'verify': True, 'cacert': None, 'cert': None, 'key': None, 'baremetal_status_code_retries': '5', 'baremetal_introspection_status_code_retries': '5', 'image_status_code_retries': '5', 'disable_vendor_agent': {}, 'interface': 'public', 'floating_ip_source': 'neutron', 'image_api_use_tasks': False, 'image_format': 'qcow2', 'message': '', 'network_api_version': '2', 'object_store_api_version': '1', 'secgroup_source': 'neutron', 'status': 'active', 'auth': {'user_domain_name': 'Default', 'project_domain_id': 'default', 'project_id': '0e75229392c54a398ab302a8e43aebe6', 'project_name': 'admin'}, 'verbose_level': 3, 'deferred_help': False, 'debug': True, 'region_name': 'RegionOne', 'default_domain': 'default', 'timing': False, 'username': 'admin', 'password': '***', 'auth_url': 'http://10.200.134.218:5000/v3', 'beta_command': False, 'identity_api_version': '3', 'orchestration_api_version': '1', 'auth_type': 'password', 'networks': []}
compute API version 2.1, cmd group openstack.compute.v2
identity API version 3, cmd group openstack.identity.v3
image API version 2, cmd group openstack.image.v2
network API version 2, cmd group openstack.network.v2
object_store API version 1, cmd group openstack.object_store.v1
volume API version 3, cmd group openstack.volume.v3
orchestration API version 1, cmd group openstack.orchestration.v1
command: stack list -> heatclient.osc.v1.stack.ListStack (auth=True)
Auth plugin password selected
auth_config_hook(): {'api_timeout': None, 'verify': True, 'cacert': None, 'cert': None, 'key': None, 'baremetal_status_code_retries': '5', 'baremetal_introspection_status_code_retries': '5', 'image_status_code_retries': '5', 'disable_vendor_agent': {}, 'interface': 'public', 'floating_ip_source': 'neutron', 'image_api_use_tasks': False, 'image_format': 'qcow2', 'message': '', 'network_api_version': '2', 'object_store_api_version': '1', 'secgroup_source': 'neutron', 'status': 'active', 'auth': {'user_domain_name': 'Default', 'project_domain_id': 'default', 'project_id': '0e75229392c54a398ab302a8e43aebe6', 'project_name': 'admin'}, 'additional_user_agent': [('osc-lib', '2.3.1')], 'verbose_level': 3, 'deferred_help': False, 'debug': True, 'region_name': 'RegionOne', 'default_domain': 'default', 'timing': False, 'username': 'admin', 'password': '***', 'auth_url': 'http://10.200.134.218:5000/v3', 'beta_command': False, 'identity_api_version': '3', 'orchestration_api_version': '1', 'auth_type': 'password', 'networks': []}
Using auth plugin: password
Using parameters {'auth_url': 'http://10.200.134.218:5000/v3', 'project_id': '0e75229392c54a398ab302a8e43aebe6', 'project_name': 'admin', 'project_domain_id': 'default', 'username': 'admin', 'user_domain_name': 'Default', 'password': '***'}
Get auth_ref
REQ: curl -g -i -X GET http://10.200.134.218:5000/v3 -H "Accept: application/json" -H "User-Agent: openstacksdk/0.55.0 keystoneauth1/4.3.1 python-requests/2.25.1 CPython/3.6.8"
Starting new HTTP connection (1): 10.200.134.218:5000
http://10.200.134.218:5000 "GET /v3 HTTP/1.1" 200 254
RESP: [200] Connection: close Content-Length: 254 Content-Security-Policy: default-src 'self' https: wss:; Content-Type: application/json Date: Thu, 29 Apr 2021 05:26:21 GMT Server: nginx/1.18.0 Vary: X-Auth-Token X-Content-Type-Options: nosniff X-Frame-Options: DENY X-XSS-Protection: 1; mode=block x-openstack-request-id: req-5e95ffe0-5fde-4234-9e7c-f79287e539a0
RESP BODY: {"version": {"id": "v3.14", "status": "stable", "updated": "2020-04-07T00:00:00Z", "links": [{"rel": "self", "href": "http://10.200.134.218:5000/v3/"}], "media-types": [{"base": "application/json", "type": "application/vnd.openstack.identity-v3+json"}]}}
GET call to http://10.200.134.218:5000/v3 used request id req-5e95ffe0-5fde-4234-9e7c-f79287e539a0
Making authentication request to http://10.200.134.218:5000/v3/auth/tokens
Resetting dropped connection: 10.200.134.218
http://10.200.134.218:5000 "POST /v3/auth/tokens HTTP/1.1" 201 6037
{"token": {"methods": ["password"], "user": {"domain": {"id": "default", "name": "Default"}, "id": "b3c6351eb7d841678297401969eb01c7", "name": "admin", "password_expires_at": null}, "audit_ids": ["-pXpoN1cRyS5ioGPNOEdkg"], "expires_at": "2021-04-29T17:26:22.000000Z", "issued_at": "2021-04-29T05:26:22.000000Z", "project": {"domain": {"id": "default", "name": "Default"}, "id": "0e75229392c54a398ab302a8e43aebe6", "name": "admin"}, "is_domain": false, "roles": [{"id": "5123dc78efec436dad719099e4979536", "name": "admin"}, {"id": "6ddb974942354b53a6cc1dfe10cc58a9", "name": "member"}, {"id": "24de7013b1124fcd99c31482ede6a855", "name": "reader"}], "catalog": [{"endpoints": [{"id": "9ef24c86cb5e49f6aecb882adfe8b8be", "interface": "admin", "region_id": "RegionOne", "url": "http://172.29.236.100:5000", "region": "RegionOne"}, {"id": "c43060c06da940ab9c9de47d96efca5f", "interface": "internal", "region_id": "RegionOne", "url": "http://172.29.236.100:5000", "region": "RegionOne"}, {"id": "ff7a8af4a859400584fc2f4025f8110a", "interface": "public", "region_id": "RegionOne", "url": "http://10.200.134.218:5000", "region": "RegionOne"}], "id": "0177ada716b8496390b53f88de002762", "type": "identity", "name": "keystone"}, {"endpoints": [{"id": "01dcd05263a5499a9222459614c19099", "interface": "admin", "region_id": "RegionOne", "url": "http://172.29.236.100:8776/v2/0e75229392c54a398ab302a8e43aebe6", "region": "RegionOne"}, {"id": "8f8d9172c7b94baf8971d6fce50c3c22", "interface": "public", "region_id": "RegionOne", "url": "http://10.200.134.218:8776/v2/0e75229392c54a398ab302a8e43aebe6", "region": "RegionOne"}, {"id": "abe2895da1fc47e2a795136a0f154dad", "interface": "internal", "region_id": "RegionOne", "url": "http://172.29.236.100:8776/v2/0e75229392c54a398ab302a8e43aebe6", "region": "RegionOne"}], "id": "2a8111a2e7224baaa928ba19545754cd", "type": "volumev2", "name": "cinderv2"}, {"endpoints": [{"id": "027033523daf4adc8d1a180e41f57c00", "interface": "admin", "region_id": "RegionOne", "url": "http://172.29.236.100:8004/v1/0e75229392c54a398ab302a8e43aebe6", "region": "RegionOne"}, {"id": "765c7ea8a9c4456bb23ba5d519ffa033", "interface": "internal", "region_id": "RegionOne", "url": "http://172.29.236.100:8004/v1/0e75229392c54a398ab302a8e43aebe6", "region": "RegionOne"}, {"id": "f3a264f72c0a4960b9740e466eb52d83", "interface": "public", "region_id": "RegionOne", "url": "http://10.200.134.218:8004/v1/0e75229392c54a398ab302a8e43aebe6", "region": "RegionOne"}], "id": "31803d9d7a3e4d4e92d9522459526a68", "type": "orchestration", "name": "heat"}, {"endpoints": [{"id": "1183338890744524b28c274ca61e93ff", "interface": "admin", "region_id": "RegionOne", "url": "http://172.29.236.100:8780", "region": "RegionOne"}, {"id": "21bcc1ebb4de44d2931f0220d6fa1576", "interface": "internal", "region_id": "RegionOne", "url": "http://172.29.236.100:8780", "region": "RegionOne"}, {"id": "70f912ca1dc44c3a826e987d1ea9f5b4", "interface": "public", "region_id": "RegionOne", "url": "http://10.200.134.218:8780", "region": "RegionOne"}], "id": "5c4974e041d34241bc7edf17f8ce07ae", "type": "placement", "name": "placement"}, {"endpoints": [{"id": "3c105203c90845d0a523f34cf6bc037b", "interface": "public", "region_id": "RegionOne", "url": "http://10.200.134.218:8000/v1", "region": "RegionOne"}, {"id": "cf77bee702da43d68aee3863d4fa68f0", "interface": "internal", "region_id": "RegionOne", "url": "http://172.29.236.100:8000/v1", "region": "RegionOne"}, {"id": "deda0fe9872d472e8ad04bf9cf65caab", "interface": "admin", "region_id": "RegionOne", "url": "http://172.29.236.100:8000/v1", "region": "RegionOne"}], "id": "675d604be05245e38156198a2e0c955c", "type": "cloudformation", "name": "heat-cfn"}, {"endpoints": [{"id": "0f358e9c8a9e4d4aa87ba5827c5612a7", "interface": "public", "region_id": "RegionOne", "url": "http://10.200.134.218:9696", "region": "RegionOne"}, {"id": "e0fda98441e442ad84ad9638b97fb5a9", "interface": "admin", "region_id": "RegionOne", "url": "http://172.29.236.100:9696", "region": "RegionOne"}, {"id": "f63223fe921a44e48fffaa90a22619b2", "interface": "internal", "region_id": "RegionOne", "url": "http://172.29.236.100:9696", "region": "RegionOne"}], "id": "679d6c52473b4b87867b0839238a2533", "type": "network", "name": "neutron"}, {"endpoints": [{"id": "04618143b8764565bd1f292c481ec9fc", "interface": "internal", "region_id": "RegionOne", "url": "http://172.29.236.100:9292", "region": "RegionOne"}, {"id": "131339c1c9564d0d9f0cfdf6311c2893", "interface": "admin", "region_id": "RegionOne", "url": "http://172.29.236.100:9292", "region": "RegionOne"}, {"id": "f0725b46e74549d1b3d58efaa46dbf02", "interface": "public", "region_id": "RegionOne", "url": "http://10.200.134.218:9292", "region": "RegionOne"}], "id": "df050da4381c4209968693e4aca92da5", "type": "image", "name": "glance"}, {"endpoints": [{"id": "7cb5429849d741238e31f929132b224d", "interface": "admin", "region_id": "RegionOne", "url": "http://172.29.236.100:8774/v2.1", "region": "RegionOne"}, {"id": "ab640e3d4ccf4d66832b0d2d38f30be9", "interface": "internal", "region_id": "RegionOne", "url": "http://172.29.236.100:8774/v2.1", "region": "RegionOne"}, {"id": "d707d5092628423397cb02a46cb1deca", "interface": "public", "region_id": "RegionOne", "url": "http://10.200.134.218:8774/v2.1", "region": "RegionOne"}], "id": "e807659ac4f74b78805b0f9e605081f0", "type": "compute", "name": "nova"}, {"endpoints": [{"id": "152f11cd02de47069bb7fee11954395d", "interface": "public", "region_id": "RegionOne", "url": "http://10.200.134.218:8776/v3/0e75229392c54a398ab302a8e43aebe6", "region": "RegionOne"}, {"id": "71b96d9f9b994d72bf21c10810a532f9", "interface": "admin", "region_id": "RegionOne", "url": "http://172.29.236.100:8776/v3/0e75229392c54a398ab302a8e43aebe6", "region": "RegionOne"}, {"id": "935b1c8e4da547ca891334fe476291b6", "interface": "internal", "region_id": "RegionOne", "url": "http://172.29.236.100:8776/v3/0e75229392c54a398ab302a8e43aebe6", "region": "RegionOne"}], "id": "ff62f9bcded14444bbb4f1e1cdcaf60b", "type": "volumev3", "name": "cinderv3"}]}}
run(Namespace(all_projects=False, columns=[], deleted=False, fit_width=False, formatter='table', hidden=False, limit=None, long=False, marker=None, max_width=0, nested=False, noindent=False, print_empty=False, properties=None, quote_mode='nonnumeric', short=False, sort=None, sort_columns=[], sort_direction=None, tag_mode=None, tags=None))
take_action(Namespace(all_projects=False, columns=[], deleted=False, fit_width=False, formatter='table', hidden=False, limit=None, long=False, marker=None, max_width=0, nested=False, noindent=False, print_empty=False, properties=None, quote_mode='nonnumeric', short=False, sort=None, sort_columns=[], sort_direction=None, tag_mode=None, tags=None))
Instantiating orchestration client: <class 'heatclient.v1.client.Client'>
REQ: curl -g -i -X GET http://10.200.134.218:8004/v1/0e75229392c54a398ab302a8e43aebe6/stacks? -H "Accept: application/json" -H "Content-Type: application/json" -H "User-Agent: python-heatclient" -H "X-Auth-Token: {SHA256}a0ae405fe8fdb29acbcc65b1ce4feb9a304448592d6a8ae982955e903f45f3c0" -H "X-Region-Name: RegionOne"
Starting new HTTP connection (1): 10.200.134.218:8004
http://10.200.134.218:8004 "GET /v1/0e75229392c54a398ab302a8e43aebe6/stacks HTTP/1.1" 503 None
RESP: [503] Cache-Control: no-cache Connection: close Content-Type: text/html
RESP BODY: Omitted, Content-Type is set to text/html. Only application/json responses have their bodies logged.
ERROR: b'<html><body><h1>503 Service Unavailable</h1>\nNo server is available to handle this request.\n</body></html>\n'
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/cliff/app.py", line 401, in run_subcommand
    result = cmd.run(parsed_args)
  File "/usr/local/lib/python3.6/site-packages/osc_lib/command/command.py", line 39, in run
    return super(Command, self).run(parsed_args)
  File "/usr/local/lib/python3.6/site-packages/cliff/display.py", line 115, in run
    column_names, data = self.take_action(parsed_args)
  File "/usr/local/lib/python3.6/site-packages/heatclient/osc/v1/stack.py", line 577, in take_action
    return _list(client, args=parsed_args)
  File "/usr/local/lib/python3.6/site-packages/heatclient/osc/v1/stack.py", line 691, in _list
    data = list(data)
  File "/usr/local/lib/python3.6/site-packages/heatclient/v1/stacks.py", line 136, in paginate
    stacks = self._list(url, 'stacks')
  File "/usr/local/lib/python3.6/site-packages/heatclient/common/base.py", line 114, in _list
    body = self.client.get(url).json()
  File "/usr/local/lib/python3.6/site-packages/keystoneauth1/adapter.py", line 395, in get
    return self.request(url, 'GET', **kwargs)
  File "/usr/local/lib/python3.6/site-packages/heatclient/common/http.py", line 323, in request
    raise exc.from_response(resp)
heatclient.exc.HTTPServiceUnavailable: ERROR: b'<html><body><h1>503 Service Unavailable</h1>\nNo server is available to handle this request.\n</body></html>\n'
clean_up ListStack: ERROR: b'<html><body><h1>503 Service Unavailable</h1>\nNo server is available to handle this request.\n</body></html>\n'
END return value: 1



Warm Regards,
Premkumar Subramaniyan 
Technical staff 
M: +91 9940743669