使用curl调试openstack的api

一系统环境

OpenStack： Mitaka

工具：最简单的工具：restclient，本次使用curl

二开搞

访问openstack的API之前，用户使用用户名和密码向keystone进行认证。在通过keystone认证后，keystone会在返回数据中包含一个ServiceCatalog。此ServiceCatalog中包含keystone中的所有service endpoints。用户即可根据这些endpoint来进行后续的RestAPI调用。

本文主要示例如何调用V3版本API。对于V2版本，使用openstack命令加--debug参数，可以看到keystone调用curl的具体写法：

如果不知道该怎么取调用可以使用--debug查看

[root@controller01 ~]# openstack --debug role list

START with options: ['--debug', 'role', 'list']

options: Namespace(access_token_endpoint='', auth_type='', auth_url='http://controller:35357/v3', cacert='', client_id='', client_secret='***', cloud='', debug=True, default_domain='default', deferred_help=False, domain_id='', domain_name='', endpoint='', identity_provider='', identity_provider_url='', insecure=None, interface='', log_file=None, os_compute_api_version='', os_data_processing_api_version='1.1', os_data_processing_url='', os_dns_api_version='2', os_identity_api_version='3', os_image_api_version='2', 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='', password='***', profile=None, project_domain_id='', project_domain_name='default', project_id='', project_name='admin', protocol='', region_name='', scope='', service_provider_endpoint='', timing=False, token='***', trust_id='', url='', user_domain_id='', user_domain_name='default', user_id='', username='admin', verbose_level=3, 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', 'data_processing_api_version': '1.1', u'network_api_version': u'2', u'image_format': u'qcow2', u'image_api_version': '2', 'verify': True, u'dns_api_version': '2', u'object_store_api_version': u'1', 'verbose_level': 3, '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'container_api_version': u'1', u'image_api_use_tasks': False, u'floating_ip_source': u'neutron', u'orchestration_api_version': '1', 'timing': False, 'cacert': None, 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', 'debug': True, 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

data_processing API version 1.1, cmd group openstack.data_processing.v1

orchestration API version 1, cmd group openstack.orchestration.v1

dns API version 2, cmd group openstack.dns.v2

command: role list -> openstackclient.identity.v3.role.ListRole

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"

Starting new HTTP connection (1): controller

"GET /v3 HTTP/1.1" 200 250

RESP: [200] Date: Tue, 20 Mar 2018 03:06:46 GMT Server: Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 Vary: X-Auth-Token x-openstack-request-id: req-7730d910-9c4f-4ba3-956f-1dbdb8fc63fb 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

"POST /v3/auth/tokens HTTP/1.1" 201 5362

run(Namespace(columns=[], domain=None, formatter='table', group=None, group_domain=None, inherited=False, max_width=0, noindent=False, project=None, project_domain=None, quote_mode='nonnumeric', user=None, user_domain=None))

Instantiating identity client: <class 'keystoneclient.v3.client.Client'>

Making authentication request to http://controller:35357/v3/auth/tokens

"POST /v3/auth/tokens HTTP/1.1" 201 5362

REQ: curl -g -i -X GET http://controller:35357/v3/roles -H "User-Agent: python-keystoneclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}84424885abb0746761572e750c8c8add1685ac37"

"GET /v3/roles HTTP/1.1" 200 790

RESP: [200] Date: Tue, 20 Mar 2018 03:06:47 GMT Server: Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 Vary: X-Auth-Token x-openstack-request-id: req-bac27bef-ee3f-415b-b448-84a4f7ba73cc Content-Length: 790 Keep-Alive: timeout=5, max=97 Connection: Keep-Alive Content-Type: application/json

RESP BODY: {"links": {"self": "http://controller:35357/v3/roles", "previous": null, "next": null}, "roles": [{"domain_id": null, "id": "0bf276f24ffe4aa9a4c217879a43216c", "links": {"self": "http://controller:35357/v3/roles/0bf276f24ffe4aa9a4c217879a43216c"}, "name": "heat_stack_user"}, {"domain_id": null, "id": "129b07bb445d42ae81fad8aa36d77d1f", "links": {"self": "http://controller:35357/v3/roles/129b07bb445d42ae81fad8aa36d77d1f"}, "name": "admin"}, {"domain_id": null, "id": "71d924953a3141c4955839020dd8aba8", "links": {"self": "http://controller:35357/v3/roles/71d924953a3141c4955839020dd8aba8"}, "name": "heat_stack_owner"}, {"domain_id": null, "id": "c797f238b7fc4f4a990879619afe758b", "links": {"self": "http://controller:35357/v3/roles/c797f238b7fc4f4a990879619afe758b"}, "name": "user"}]}

+----------------------------------+------------------+

| ID                               | Name             |

+----------------------------------+------------------+

| 0bf276f24ffe4aa9a4c217879a43216c | heat_stack_user  |

| 129b07bb445d42ae81fad8aa36d77d1f | admin            |

| 71d924953a3141c4955839020dd8aba8 | heat_stack_owner |

| c797f238b7fc4f4a990879619afe758b | user             |

+----------------------------------+------------------+

clean_up ListRole:

END return value: 0

1 获取token和catalog

[root@controller01 ~]# curl -i -X POST http://controller:35357/v3/auth/tokens -H "Content-type: application/json" -d '{"auth": {"identity": {"methods": ["password"],"password": {"user": {"domain": {"name": "Default"},"name": "admin","password": "trendy123"}}},"scope": {"project": {"domain": {"name": "Default"},"name": "admin"}}}}'

HTTP/1.1 201 Created

Date: Tue, 20 Mar 2018 03:18:20 GMT

Server: Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5

X-Subject-Token: 30494bb13fa746a8a8752acd280f06d0

Vary: X-Auth-Token

x-openstack-request-id: req-88e73a96-32af-49fb-92bb-d05e595fd284

Content-Length: 5362

Content-Type: application/json

{"token": {"methods": ["password"], "roles": [{"id": "129b07bb445d42ae81fad8aa36d77d1f", "name": "admin"}], "expires_at": "2018-03-20T04:18:20.962364Z", "project": {"domain": {"id": "bb1b0223fdc84934af86523729e4502a", "name": "default"}, "id": "4a3b38b999da4c37bd049a2d5c37920f", "name": "admin"}, "catalog": [{"endpoints": [{"region_id": "RegionOne", "url": "http://controller:9696", "region": "RegionOne", "interface": "internal", "id": "221ef83c7064464e9c4059fdb120a524"}, {"region_id": "RegionOne", "url": "http://controller:9696", "region": "RegionOne", "interface": "public", "id": "7558ce17648e42309a713a296883b7b5"}, {"region_id": "RegionOne", "url": "http://controller:9696", "region": "RegionOne", "interface": "admin", "id": "8dc2142351d24c88ac7cc34ae1d1298f"}], "type": "network", "id": "1e8988a8279144ee94d00d6fd050af84", "name": "neutron"}, {"endpoints": [{"region_id": "RegionOne", "url": "http://controller:9292", "region": "RegionOne", "interface": "public", "id": "433b2acf9a1440879f2d7608563fb950"}, {"region_id": "RegionOne", "url": "http://controller:9292", "region": "RegionOne", "interface": "admin", "id": "64aec5873b2d4b93909d86846fddd198"}, {"region_id": "RegionOne", "url": "http://controller:9292", "region": "RegionOne", "interface": "internal", "id": "8bddd1fba6144709b7864c007e430acc"}], "type": "image", "id": "3ee10bb8c3cc4dfcba0094b0f2609547", "name": "glance"}, {"endpoints": [{"region_id": "RegionOne", "url": "http://controller:8776/v1/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "admin", "id": "7b2bb710d2ff40a38bef331835787855"}, {"region_id": "RegionOne", "url": "http://controller:8776/v1/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "public", "id": "808e9ec2276c43279b9318efc983c1a6"}, {"region_id": "RegionOne", "url": "http://controller:8776/v1/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "internal", "id": "ea239eb9e1934183aea8de7e2fa4b50d"}], "type": "volume", "id": "45b6f11db6104e0284af07e013866a32", "name": "cinder"}, {"endpoints": [{"region_id": "RegionOne", "url": "http://controller:8776/v2/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "public", "id": "3730e124b62b4c2290728a5f3d7c3172"}, {"region_id": "RegionOne", "url": "http://controller:8776/v2/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "admin", "id": "b2aab32788e5435d930193332bf68d42"}, {"region_id": "RegionOne", "url": "http://controller:8776/v2/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "internal", "id": "c0395d0d8bd34dbcb1f587b13cc68b1b"}], "type": "volumev2", "id": "478e853e09b5421ab141fbd98c0346ed", "name": "cinderv2"}, {"endpoints": [{"region_id": "RegionOne", "url": "http://controller:8774/v2.1/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "public", "id": "2942c4fd810144c1be14028dffa83c91"}, {"region_id": "RegionOne", "url": "http://controller:8774/v2.1/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "admin", "id": "336396d3d5954410b5940e8f1bcb48e7"}, {"region_id": "RegionOne", "url": "http://controller:8774/v2.1/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "internal", "id": "c3ace97f947b45238ba29ed831a21dd3"}], "type": "compute", "id": "6b598898644647fca69840ea2963aefc", "name": "nova"}, {"endpoints": [{"region_id": "RegionOne", "url": "http://controller:5000/v3", "region": "RegionOne", "interface": "public", "id": "336fc0683cf44d5c85a1e56efcce0aaa"}, {"region_id": "RegionOne", "url": "http://controller:35357/v3", "region": "RegionOne", "interface": "admin", "id": "ac31a17c6abd46a4bfafb9ccf0f7c38e"}, {"region_id": "RegionOne", "url": "http://controller:5000/v3", "region": "RegionOne", "interface": "internal", "id": "fdd2e827f6ef45538c1aa360df913280"}], "type": "identity", "id": "78e660c901c545c7b065bc35e8351d0b", "name": "keystone"}, {"endpoints": [{"region_id": "RegionOne", "url": "http://controller:8004/v1/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "admin", "id": "2e7259d915ba4a51ae4ca3327bcfe2ef"}, {"region_id": "RegionOne", "url": "http://controller:8004/v1/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "internal", "id": "4f1dbaa50be94b29ad492ba6b632ca0c"}, {"region_id": "RegionOne", "url": "http://controller:8004/v1/4a3b38b999da4c37bd049a2d5c37920f", "region": "RegionOne", "interface": "public", "id": "f17603f93de24e1aacb6d74759ecb700"}], "type": "orchestration", "id": "bce75791740843c09e4c9ef09be5a668", "name": "heat"}, {"endpoints": [{"region_id": "RegionOne", "url": "http://controller:8000/v1", "region": "RegionOne", "interface": "public", "id": "411f9576ac874cbf818808342546823a"}, {"region_id": "RegionOne", "url": "http://controller:8000/v1", "region": "RegionOne", "interface": "admin", "id": "5116b8f7a49d46cb8024d297e352e98f"}, {"region_id": "RegionOne", "url": "http://controller:8000/v1", "region": "RegionOne", "interface": "internal", "id": "63d8906e594f45a29fb2f2a833bc2e17"}], "type": "cloudformation", "id": "f5539459039f4fc090d091b37d17c187", "name": "heat-cfn"}], "user": {"domain": {"id": "bb1b0223fdc84934af86523729e4502a", "name": "default"}, "id": "69d239d3f58147ef8ff679bdb352c19d", "name": "admin"}, "audit_ids": ["1U5BTGV4SKi7x4S-cUkrFA"], "issued_at": "2018-03-20T03:18:20.962421Z"}}[root@controller01 ~]# clear

[root@controller01 ~]#

[root@controller01 ~]#

[root@controller01 ~]#

[root@controller01 ~]# curl -i -X POST http://controller:35357/v3/auth/tokens -H "Content-type: application/json" -d '{"auth": {"identity": {"methods": ["password"],"password": {"user": {"domain": {"name": "Default"},"name": "admin","password": "trendy123"}}},"scope": {"project": {"domain": {"name": "Default"},"name": "admin"}}}}'|grep X-Subject-Token

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current

                                 Dload  Upload   Total   Spent    Left  Speed

100  5575  100  5362  100   213  12924    513 --:X-Subject-Token: a0e8c4b32a324caf9ce6e6d77d67edd8

--:-- --:--:-- --:--:-- 12920

2 get方法（获取虚拟机）

[root@controller01 ~]# curl -i http://controller:8774/v2.1/4a3b38b999da4c37bd049a2d5c37920f/servers -v -H "X-Auth-Token:a0e8c4b32a324caf9ce6e6d77d67edd8"

* About to connect() to controller port 8774 (#0)

*   Trying 172.20.1.13...

* Connected to controller (172.20.1.13) port 8774 (#0)

> GET /v2.1/4a3b38b999da4c37bd049a2d5c37920f/servers HTTP/1.1

> User-Agent: curl/7.29.0

> Host: controller:8774

> Accept: */*

> X-Auth-Token:a0e8c4b32a324caf9ce6e6d77d67edd8

>

< HTTP/1.1 200 OK

HTTP/1.1 200 OK

< Content-Length: 706

Content-Length: 706

< Content-Type: application/json

Content-Type: application/json

< X-Openstack-Nova-Api-Version: 2.1

X-Openstack-Nova-Api-Version: 2.1

< Vary: X-OpenStack-Nova-API-Version

Vary: X-OpenStack-Nova-API-Version

< X-Compute-Request-Id: req-60e0c85d-55ce-4771-977d-1a7513dfd3e8

X-Compute-Request-Id: req-60e0c85d-55ce-4771-977d-1a7513dfd3e8

< Date: Tue, 20 Mar 2018 03:27:23 GMT

Date: Tue, 20 Mar 2018 03:27:23 GMT

<

* Connection #0 to host controller left intact

{"servers": [{"id": "7e2993be-10bd-4481-929c-b6adff09d72c", "links": [{"href": "http://controller:8774/v2.1/4a3b38b999da4c37bd049a2d5c37920f/servers/7e2993be-10bd-4481-929c-b6adff09d72c", "rel": "self"}, {"href": "http://controller:8774/4a3b38b999da4c37bd049a2d5c37920f/servers/7e2993be-10bd-4481-929c-b6adff09d72c", "rel": "bookmark"}], "name": "Lidb_test"}, {"id": "d9413831-756c-43dd-a027-57b45749f085", "links": [{"href": "http://controller:8774/v2.1/4a3b38b999da4c37bd049a2d5c37920f/servers/d9413831-756c-43dd-a027-57b45749f085", "rel": "self"}, {"href": "http://controller:8774/4a3b38b999da4c37bd049a2d5c37920f/servers/d9413831-756c-43dd-a027-57b45749f085", "rel": "bookmark"}], "name": "LTM-test"}]}

3 post方法（举例启动虚拟机）

curl -i 'http://mycontroller:8774/v2.1/tenant-id/servers/server-id/action' -X POST -d '{"os-start": null}'  -H "Content-Type: application/json" -H "Accept: application/json"  -H "X-Auth-Token:token-id"

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