x/terracotta
Code Issues Proposed changes

Refactor the config file

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We should use oslo.config instead of the old one.This patch complete
the config file:config.py

Change-Id: Id47324d06370a96edaadeead7e8b9608acd15c4f
This commit is contained in:
wangxiyuan 2015-05-04 19:50:38 +08:00
parent 4699a0a0e9
commit b135bb8e7c
1 changed files with 107 additions and 26 deletions
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133
terracotta/config.py
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@ -30,6 +30,27 @@ launch_opt = cfg.ListOpt(
'global-manager, local-manager, and local-collector.'
)
default_opts = [
cfg.StrOpt('global_manager_host', default='controller',
help='The name of the host running the global manager'),
cfg.IntOpt('global_manager_port', default=60080,
help='The port of the REST web service exposed by the global manager'),
cfg.IntOpt('db_cleaner_interval', default=7200,
help='The time interval between subsequent invocations of the database'),
cfg.StrOpt('local_data_directory', default='/var/lib/neat',
help='The directory used by the data collector to store the data on the'
'resource usage by the VMs running on the host'),
cfg.FloatOpt('host_cpu_usable_by_vms', default=1.0,
help='The threshold on the overall (all cores) utilization of the physical '
'CPU of a host that can be allocated to VMs.'),
cfg.IntOpt('data_collector_data_length', default=100,
help='The number of the latest data values stored locally '
'by the data collector and passed to the underload / '
'overload detection and VM placement algorithms'),
cfg.IntOpt('network_migration_bandwidth', default=10,
help='The network bandwidth in MB/s available for VM migration')
]
api_opts = [
cfg.StrOpt('host', default='0.0.0.0', help='Terracotta API server host'),
cfg.IntOpt('port', default=9090, help='Terracotta API server port')
@ -59,47 +80,107 @@ use_debugger = cfg.BoolOpt(
)
global_manager_opts = [
cfg.StrOpt('engine', default='default',
help='Mistral engine plugin'),
cfg.StrOpt('host', default='0.0.0.0',
help='Name of the engine node. This can be an opaque '
'identifier. It is not necessarily a hostname, '
'FQDN, or IP address.'),
cfg.StrOpt('topic', default='engine',
help='The message topic that the engine listens on.'),
cfg.StrOpt('version', default='1.0',
help='The version of the engine.')
cfg.StrOpt('vm_instance_directory', default='/var/lib/nova/instances',
help='The directory, where the VM instance data are stored'),
cfg.StrOpt('os_admin_tenant_name', default='tenantname',
help='The admin tenant name for authentication '
'with Nova using Keystone'),
cfg.StrOpt('os_admin_user', default='username',
help='The admin user name for authentication '
'with Nova using Keystone'),
cfg.StrOpt('os_admin_password', default='adminpassword',
help='The admin password for authentication '
'with Nova using Keystone'),
cfg.StrOpt('os_auth_url', default='http://controller:5000/v2.0/',
help='The OpenStack authentication URL'),
cfg.ListOpt('compute_hosts', default=['compute1', 'compute2', 'compute3'],
help='A coma-separated list of compute host names'),
cfg.BoolOpt('block_migration', default=True,
help='Whether to use block migration (includes disk migration)'),
cfg.StrOpt('compute_user', default='neat',
help='The user name for connecting to the compute hosts '
'to switch them into the sleep mode'),
cfg.StrOpt('compute_password', default='neatpassword',
help='The password of the user account used for connecting '
'to the compute hosts to switch them into the sleep mode'),
cfg.StrOpt('sleep_command', default='pm-suspend',
help='A shell command used to switch a host into the sleep mode, the'
'compute_user must have permissions to execute this command'),
cfg.StrOpt('ether_wake_interface', default='eth0',
help='The network interface to send a magic packet from '
'using ether-wake'),
cfg.StrOpt('algorithm_vm_placement_factory',
default='neat.globals.vm_placement.bin_packing.best_fit_decreasing_factory',
help='The fully qualified name of a Python factory function that returns a'
'function implementing a VM placement algorithm'),
cfg.DictOpt('algorithm_vm_placement_parameters',
default={'cpu_threshold': 0.8, 'ram_threshold': 0.95, 'last_n_vm_cpu': 2},
help='A JSON encoded parameters, which will be parsed and passed to the'
'specified VM placement algorithm factory')
]
local_manager_opts = [
cfg.StrOpt('host', default='0.0.0.0',
help='Name of the executor node. This can be an opaque '
'identifier. It is not necessarily a hostname, '
'FQDN, or IP address.'),
cfg.StrOpt('topic', default='executor',
help='The message topic that the executor listens on.'),
cfg.StrOpt('version', default='1.0',
help='The version of the executor.')
cfg.IntOpt('local_manager_interval', default=300,
help='The time interval between subsequent invocations '
'of the local manager in seconds'),
cfg.StrOpt('algorithm_underload_detection_factory',
default='neat.locals.underload.trivial.last_n_average_threshold_factory',
help='The fully qualified name of a Python factory function that returns a'
'function implementing an underload detection algorithm'),
cfg.DictOpt('algorithm_underload_detection_parameters',
default={'threshold': 0.5, 'n': 2},
help='A JSON encoded parameters, which will be parsed and passed to the'
'specified underload detection algorithm factory'),
cfg.StrOpt('algorithm_overload_detection_factory',
default='neat.locals.overload.mhod.core.mhod_factory',
help='The fully qualified name of a Python factory function that returns a'
'function implementing an overload detection algorithm'),
cfg.DictOpt('algorithm_overload_detection_parameters',
default={'state_config': [0.8],
'otf': 0.1,
'history_size': 500,
'window_sizes': [30, 40, 50, 60, 70, 80, 90, 100],
'bruteforce_step': 0.5,
'learning_steps': 10},
help='A JSON encoded parameters, which will be parsed and passed to the'
'specified overload detection algorithm factory'),
cfg.StrOpt('algorithm_vm_selection_factory',
default='neat.locals.vm_selection.algorithms.minimum_migration_time_max_cpu_factory',
help='The fully qualified name of a Python factory function that returns a'
'function implementing a VM selection algorithm'),
cfg.DictOpt('algorithm_vm_selection_parameters',
default={'last_n': 2},
help='A JSON encoded parameters, which will be parsed and passed to the'
'specified VM selection algorithm factory')
]
collector_opts = [
cfg.StrOpt('host', default='0.0.0.0',
help='Name of the executor node. This can be an opaque '
'identifier. It is not necessarily a hostname, '
'FQDN, or IP address.'),
cfg.StrOpt('topic', default='executor',
help='The message topic that the executor listens on.'),
cfg.StrOpt('version', default='1.0',
help='The version of the executor.')
cfg.IntOpt('data_collector_interval', default=300,
help='The time interval between subsequent invocations '
'of the data collector in seconds'),
cfg.FloatOpt('host_cpu_overload_threshold', default=0.8,
help='The threshold on the overall (all cores) utilization '
'of the physical CPU of a host, above which the host '
'is considered to be overloaded.'
'This is used for logging host overloads into the database.')
]
database_opts = [
cfg.StrOpt('sql_connection', default='mysql://neat:neatpassword@controller/neat',
help='The host name and credentials for connecting '
'to the MySQL database specified in the format '
'supported by SQLAlchemy')
]
CONF = cfg.CONF
CONF.register_opts(pecan_opts, group='pecan')
CONF.register_opts(default_opts, group='default')
CONF.register_opts(api_opts, group='api')
CONF.register_opts(global_manager_opts, group='global_manager')
CONF.register_opts(local_manager_opts, group='local_manager')
CONF.register_opts(collector_opts, group='collector')
CONF.register_opts(database_opts, group='database')
CONF.register_cli_opt(use_debugger)
CONF.register_cli_opt(launch_opt)