The freezer_dr.common.osclient Module¶

OpenStack client class.

class freezer_dr.common.osclient.OSClient(authurl, authmethod='password', **kwargs)[source]¶

Bases: object

Provide OpenStack credentials to initalize the connection.

auth()[source]¶

Create a session.

disable_node(node)[source]¶

Disable nova on the failing node.

evacuate(nodes, shared_storage=False)[source]¶

Will get the hypervisors and list all running VMs on it and then start Evacuating one by one … :param nodes: List of nodes to be evacuated ! :param shared_storage: Boolean, True if your compute nodes are running under shared storage and False otherwise :return: List of nodes with VMs that were running on that node

get_affected_tenants(node)[source]¶

get_hypervisor(node)[source]¶

Get an instance of the hypervisor.

Parameters:	node – dict contains host index
Returns:	Hypervisor

get_hypervisor_details(node)[source]¶

Get details about hypervisor running on the provided node.

get_hypervisor_instances(node)[source]¶

Get instances from an hypervisor.

get_hypervisors_stats()[source]¶

Get stats for all hypervisors.

get_instances_list(node)[source]¶

Get instances running on a node for all tenants.

get_neutronclient()[source]¶

get_node_status(node)[source]¶

Check the node nova-service status and if it’s disabled or not. :param node: dict contains node info :return: True or False. True => node disabled, False => node is enabled or unknow status !

get_novaclient()[source]¶

get_session()[source]¶

Get the authentication section.

list_tenants()[source]¶

List tenants.

neutronagents(hosts=[])[source]¶

novacomputes()[source]¶

novahypervisors()[source]¶

set_in_maintenance(nodes)[source]¶

Set compute nodes in maintenance mode.

users_on_tenant(tenant)[source]¶

List user per project.