x/terracotta
Code Issues Proposed changes

Updated the commments

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This commit is contained in:
Anton Beloglazov 2012-09-20 11:42:11 +10:00
parent 52c182396a
commit 6275392176
1 changed files with 12 additions and 10 deletions
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22
neat/globals/manager.py
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@ -193,13 +193,10 @@ def init_state(config):
@contract
def execute_underload(config, state, host):
""" Execute an iteration of the global manager
""" Process an underloaded host: migrate all VMs from the host.
1. Parse the `vm_uuids` parameter and transform it into a list of
UUIDs of the VMs to migrate.
2. Call the Nova API to obtain the current placement of VMs on the
hosts.
1. Call the nova API to obtain the UUIDs of the VMs allocated to the
host.
3. Call the function specified in the `algorithm_vm_placement_factory`
configuration option and pass the UUIDs of the VMs to migrate and
@ -208,12 +205,17 @@ def execute_underload(config, state, host):
4. Call the Nova API to migrate the VMs according to the placement
determined by the `algorithm_vm_placement_factory` algorithm.
5. Switch off the host at the end of the VM migration.
:param config: A config dictionary.
:type config: dict(str: *)
:param state: A state dictionary.
:type state: dict(str: *)
:param state: A host name.
:type state: str
:return: The updated state dictionary.
:rtype: dict(str: *)
"""
@ -224,10 +226,7 @@ def execute_underload(config, state, host):
def execute_overload(config, state, vm_uuids):
""" Execute an iteration of the global manager
1. Parse the `vm_uuids` parameter and transform it into a list of
UUIDs of the VMs to migrate.
2. Call the Nova API to obtain the current placement of VMs on the
1. Call the Nova API to obtain the current placement of VMs on the
hosts.
3. Call the function specified in the `algorithm_vm_placement_factory`
@ -243,6 +242,9 @@ def execute_overload(config, state, vm_uuids):
:param state: A state dictionary.
:type state: dict(str: *)
:param vm_uuids: A list of VM UUIDs to migrate from the host.
:type vm_uuids: list(str)
:return: The updated state dictionary.
:rtype: dict(str: *)
"""