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python-watcherclient
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Client for resource optimization service for OpenStack.
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README.rst

python-watcherclient

Client for resource optimization service for OpenStack.

OpenStack Watcher provides a flexible and scalable resource optimization service for multi-tenant OpenStack-based clouds. Watcher provides a complete optimization loop-including everything from a metrics receiver, complex event processor and profiler, optimization processor and an action plan applier. This provides a robust framework to realize a wide range of cloud optimization goals, including the reduction of data center operating costs, increased system performance via intelligent virtual machine migration, increased energy efficiency-and more!

Installation

Install the prerequisite packages

On Ubuntu (tested on 14.04-64)

sudo apt-get install python-dev libssl-dev python-pip git-core libmysqlclient-dev libffi-dev

On Fedora-based distributions e.g., Fedora/RHEL/CentOS/Scientific Linux (tested on CentOS 6.5)

sudo yum install python-virtualenv openssl-devel python-pip git gcc libffi-devel mysql-devel postgresql-devel

On openSUSE-based distributions (SLES 12, openSUSE 13.1, Factory or Tumbleweed)

sudo zypper install gcc git libmysqlclient-devel libopenssl-devel postgresql-devel python-devel python-pip

Install the Watcher client

You can install the Watcher CLI with the following command:

pip install python-watcherclient

Configuration

Create a creds file containing your Openstack credentials:

export OS_IDENTITY_API_VERSION=3
export OS_AUTH_URL=http://<your-keystone-server>:5000/v3
export OS_PROJECT_DOMAIN_ID=default
export OS_USER_DOMAIN_ID=default
export OS_USERNAME=admin
export OS_PASSWORD=<your-password>
export OS_PROJECT_NAME=<your-project-name>

Source these credentials into your current shell session:

# source creds

You should be able to launch the following command which gets the list of previously created Audit Templates:

# watcher audit-template-list
+------+------+
| UUID | Name |
+------+------+
+------+------+

You can view the entire list of available Watcher commands and options using this command:

# watcher help

Troubleshootings

If any watcher command fails, you can obtain more details with the --debug option :

# watcher --debug audit-template-list

Install the openstack CLI :

# pip install python-openstackclient

Make sure that your Openstack credentials are correct. If so, you should be able to verify that the watcher user has been declared in your Openstack keystone :

# openstack user list

and that the watcher endpoints have been declared as well :

# openstack endpoint list