Revision b7ca7496 snfOCCI/compute.py
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from snfOCCI.config import SERVER_CONFIG |
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from occi.backend import ActionBackend, KindBackend |
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from occi.extensions.infrastructure import START, STOP, SUSPEND, RESTART
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from occi.extensions import infrastructure
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from occi.exceptions import HTTPError |
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vm_name = entity.attributes['occi.core.title'] |
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info = snf.create_server(vm_name, flavor_id, image_id) |
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entity.actions = [START] |
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entity.attributes['occi.compute.state'] = 'inactive' |
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entity.attributes['occi.core.id'] = str(info['id']) |
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entity.attributes['occi.compute.architecture'] = SERVER_CONFIG['compute_arch'] |
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entity.attributes['occi.compute.cores'] = flavor.attributes['occi.compute.cores'] |
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entity.attributes['occi.compute.memory'] = flavor.attributes['occi.compute.memory'] |
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entity.actions = [infrastructure.STOP, |
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infrastructure.SUSPEND, |
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infrastructure.RESTART] |
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# entity.attributes['occi.compute.hostname'] = SERVER_CONFIG['hostname'] % {'id':info['id']}
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info['adminPass']= "" |
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print info |
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status_dict = {'ACTIVE' : 'active',
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'STOPPED' : 'inactive', |
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'REBOOT' : 'inactive', |
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'ERROR' : 'inactive', |
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'BUILD' : 'inactive', |
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'DELETED' : 'inactive', |
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'UNKNOWN' : 'inactive' |
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} |
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entity.attributes['occi.compute.state'] = status_dict[vm_state] |
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else: |
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if entity.attributes['occi.compute.state'] == 'inactive': |
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entity.actions = [START] |
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entity.actions = [infrastructure.START]
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if entity.attributes['occi.compute.state'] == 'active': |
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entity.actions = [STOP, SUSPEND, RESTART]
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entity.actions = [infrastructure.STOP, infrastructure.SUSPEND, infrastructure.RESTART]
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def delete(self, entity, extras): |
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#Deleting compute instance |
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print "Deleting VM" + str(vm_id) |
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snf = extras['snf'] |
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vm_id = int(entity.attributes['occi.core.id']) |
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snf.delete_server(vm_id) |
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def action(self, entity, action, extras): |
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def get_vm_actions(self, entity ,vm_state): |
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actions = [] |
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status_dict = {'ACTIVE' : 'active',
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'STOPPED' : 'inactive', |
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'REBOOT' : 'inactive', |
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'ERROR' : 'inactive', |
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'BUILD' : 'inactive', |
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'DELETED' : 'inactive', |
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'UNKNOWN' : 'inactive' |
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} |
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if vm_state in status_dict: |
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entity.attributes['occi.compute.state'] = status_dict[vm_state] |
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if vm_state == 'ACTIVE': |
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actions.append(infrastructure.STOP) |
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actions.append(infrastructure.RESTART) |
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elif vm_state in ('STOPPED'):
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actions.append(infrastructure.START) |
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return actions |
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else: |
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raise HTTPError(500, 'Undefined status of the VM') |
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def action(self, entity, action, attributes, extras): |
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#Triggering action to compute instances |
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| ... | ... | |
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vm_id = int(entity.attributes['occi.core.id']) |
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vm_info = snf.get_server_details(vm_id) |
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vm_state = vm_info['status'] |
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# Define the allowed actions depending on the state of the VM |
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entity.actions = self.get_vm_actions(entity,vm_state) |
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if vm_state == 'ERROR': |
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raise HTTPError(500, 'ERROR building the compute instance') |
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else: |
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if action not in entity.actions: |
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raise AttributeError("This action is currently no applicable.")
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raise AttributeError("This action is currently no applicable in the current status of the VM (CURRENT_STATE = " + str(vm_state)+ ").")
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elif action == START: |
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print "Starting VM" |
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elif action == infrastructure.START:
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print "Starting VM" + str(vm_id)
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client.start_server(vm_id) |
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elif action == STOP: |
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print "Stopping VM" |
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elif action == infrastructure.STOP:
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print "Stopping VM" + str(vm_id)
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client.shutdown_server(vm_id) |
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elif action == RESTART: |
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print "Restarting VM" |
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elif action == infrastructure.RESTART:
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print "Restarting VM" + str(vm_id)
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snf.reboot_server(vm_id) |
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elif action == SUSPEND: |
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elif action == infrastructure.SUSPEND:
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raise HTTPError(501, "This actions is currently no applicable") |
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