[OpenStack] OpenStack Essex
Glance
Install glance using the following command:
sudo apt-get install glance glance-api glance-client glance-common glance-registry python-glance
运行结果：
localadmin@OpenStack-1:~$ sudo apt-get install glance glance-api glance-client glance-common glance-registry python-glance
password for localadmin:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
libyaml-0-2 python-amqplib python-anyjson python-dateutil python-kombu python-xattr python-yaml
Suggested packages:
python-amqplib-doc python-boto python-couchdb python-kombu-doc python-pymongo
The following NEW packages will be installed:
glance glance-api glance-client glance-common glance-registry libyaml-0-2 python-amqplib python-anyjson python-dateutil python-glance python-kombu python-xattr
python-yaml
0 upgraded, 13 newly installed, 0 to remove and 3 not upgraded.
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Get:1 http://mirrors.163.com/ubuntu/ precise/main libyaml-0-2 amd64 0.1.4-2
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Get:8 http://mirrors.163.com/ubuntu/ precise-proposed/main python-glance all 2012.1-0ubuntu2.1
Get:9 http://mirrors.163.com/ubuntu/ precise-proposed/main glance-common all 2012.1-0ubuntu2.1
Get:10 http://mirrors.163.com/ubuntu/ precise-proposed/main glance-api all 2012.1-0ubuntu2.1
Get:11 http://mirrors.163.com/ubuntu/ precise-proposed/main glance-registry all 2012.1-0ubuntu2.1
Get:12 http://mirrors.163.com/ubuntu/ precise-proposed/main glance all 2012.1-0ubuntu2.1
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Glance Configuration
Glance uses SQLite by default. MySQL and PostgreSQL can also be configured to work with Glance.
Open /etc/glance/glance-api-paste.ini and at the end of the file, edit the following lines:
admin_tenant_name = %SERVICE_TENANT_NAME%
admin_user = %SERVICE_USER%
admin_password = %SERVICE_PASSWORD%
These values have to be modified as per the configurations made earlier. The admin_tenant_name will be 'service', admin_user will be 'glance' and admin_password is 'glance'.
After editing, the lines should be as follows:
admin_tenant_name = service
admin_user = glance
admin_password = glance
Now open /etc/glance/glance-registry-paste.ini and make similar changes at the end of the file.
Open the file /etc/glance/glance-registry.conf and edit the line which contains the option "sql_connection =" to this:
sql_connection = mysql://glancedbadmin:glancesecret@192.168.26.128/glance
In order to tell glance to use keystone for authentication, add the following lines at the end of the file.
flavor = keystone
Open /etc/glance/glance-api.conf and add the following lines at the end of the document.
flavor = keystone
Create glance schema in the MySQL database.:
sudo glance-manage version_control 0
sudo glance-manage db_sync
Restart glance-api and glance-registry after making the above changes.
sudo restart glance-api
sudo restart glance-registry
Export the following environment variables.
export SERVICE_TOKEN=admin
export OS_TENANT_NAME=admin
export OS_USERNAME=admin
export OS_PASSWORD=admin
export OS_AUTH_URL="http://localhost:5000/v2.0/"
export SERVICE_ENDPOINT=http://localhost:35357/v2.0
Alternatively, you can add these variables to ~/.bashrc.
To test if glance is setup correectly execute the following command.
glance index
The above command will not return any output. The output of the last command executed can be known from its return code - echo $?. If the return code is zero, then glance is setup properly and connects with Keystone.
With glance configured properly and using keystone as the authentication mechanism, now we can upload images to glance. This has been explained in detail in "Image Management" chapter.
localadmin@OpenStack-1:~$ glance
Usage: glance
Commands:
help Output help for one of the commands below
add Adds a new image to Glance
update Updates an image's metadata in Glance
delete Deletes an image from Glance
index Return brief information about images in Glance
details Return detailed information about images in
Glance
show Show detailed information about an image in
Glance
clear Removes all images and metadata from Glance
Member Commands:
image-members List members an image is shared with
member-images List images shared with a member
member-add Grants a member access to an image
member-delete Revokes a member's access to an image
members-replaceReplaces all membership for an image
Options:
--version show program's version number and exit
-h, --help show this help message and exit
--silent-upload disable progress bar animation and information during
upload
-v, --verbose Print more verbose output
-d, --debug Print more verbose output
-H ADDRESS, --host=ADDRESS
Address of Glance API host. Default: 0.0.0.0
-p PORT, --port=PORTPort the Glance API host listens on. Default: 9292
--ssl Use SSL when talking to Glance API host
-U URL, --url=URL URL of Glance service. This option can be used to
specify the hostname, port and protocol (http/https)
of the glance server, for example -U
https://localhost:9292/v1 Default: None. If given,
this option will override settings for --host, --port,
and --ssl.
-k, --insecure Explicitly allow glance to perform "insecure" SSL
(https) requests. The server's certificate will not be
verified against any certificate authorities. This
option should be used with caution.
-A TOKEN, --os_auth_token=TOKEN, --auth_token=TOKEN
Authentication token to use to identify the client to
the glance server.--auth_tokenis deprecated and will
be removed
-I USER, --os_username=USER
User name used to acquire an authentication token
-K PASSWORD, --os_password=PASSWORD
Password used to acquire an authentication token
-R REGION, --os_region_name=REGION
Region name. When using keystone authentication
version 2.0 or later this identifies the region name
to use when selecting the service endpoint. A region
name must be provided if more than one region endpoint
is available
-T TENANT, --os_tenant_name=TENANT
Tenant name
-N AUTH_URL, --os_auth_url=AUTH_URL
Authentication URL
-S STRATEGY, --os_auth_strategy=STRATEGY
Authentication strategy (keystone or noauth)
--limit=LIMIT Page size to use while requesting image metadata
--marker=MARKER Image index after which to begin pagination
--sort_key=KEY Sort results by this image attribute.
--sort_dir=
Sort results in this direction.
-f, --force Prevent select actions from requesting user
confirmation
--dry-run Don't actually execute the command, just print output
showing what WOULD happen.
--can-share Allow member to further share image.
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