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| 1 import argparse | 1 import argparse |
| 2 | 2 |
| 3 from twisted.internet.defer import inlineCallbacks | 3 from twisted.internet.defer import inlineCallbacks |
| 4 | 4 |
| 5 from juju.control import legacy | 5 from juju.control import legacy |
| 6 from juju.control.utils import get_environment | 6 from juju.control.utils import get_environment, sync_environment_state |
| 7 from juju.state.environment import EnvironmentStateManager | 7 from juju.state.environment import EnvironmentStateManager |
| 8 from juju.state.service import ServiceStateManager | 8 from juju.state.service import ServiceStateManager |
| 9 | 9 |
| 10 | 10 |
| 11 def configure_subparser(subparsers): | 11 def configure_subparser(subparsers): |
| 12 sub_parser = subparsers.add_parser( | 12 sub_parser = subparsers.add_parser( |
| 13 "set-constraints", | 13 "set-constraints", |
| 14 help=command.__doc__, | 14 help=command.__doc__, |
| 15 formatter_class=argparse.RawDescriptionHelpFormatter, | 15 formatter_class=argparse.RawDescriptionHelpFormatter, |
| 16 description=constraints_set.__doc__) | 16 description=constraints_set.__doc__) |
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| 57 On Amazon EC2: | 57 On Amazon EC2: |
| 58 | 58 |
| 59 * arch (CPU architecture: i386/amd64/arm; amd64 by default) | 59 * arch (CPU architecture: i386/amd64/arm; amd64 by default) |
| 60 * cpu (processing power in Amazon ECU; 1 by default) | 60 * cpu (processing power in Amazon ECU; 1 by default) |
| 61 * mem (memory in [MGT]iB; 512M by default) | 61 * mem (memory in [MGT]iB; 512M by default) |
| 62 * instance-type (unset by default) | 62 * instance-type (unset by default) |
| 63 * ec2-zone (unset by default) | 63 * ec2-zone (unset by default) |
| 64 | 64 |
| 65 On Orchestra: | 65 On Orchestra: |
| 66 | 66 |
| 67 * orchestra-classes (unset by default) | 67 * orchestra-classes (Cobbler management classes; unset by default) |
| 68 | 68 |
| 69 On MAAS: | 69 On MAAS: |
| 70 | 70 |
| 71 * maas-name (unset by default) | 71 * maas-name (MAAS system name; unset by default) |
| 72 | 72 |
| 73 Service settings, if specified, will override environment settings, which | 73 Service settings, if specified, will override environment settings, which |
| 74 will in turn override the juju defaults of mem=512M, cpu=1, arch=amd64. | 74 will in turn override the juju defaults. |
| 75 | 75 |
| 76 New constraints set on an entity will completely replace that entity's | 76 New constraints set on an entity will completely replace that entity's |
| 77 pre-existing constraints. | 77 pre-existing constraints; constraints left unspecified in new service |
| 78 constraints will inherit from the environment constraints when units are |
| 79 added. |
| 78 | 80 |
| 79 To override an environment constraint with the juju default when setting | 81 To override an environment constraint with the juju default when setting |
| 80 service constraints, just specify "name=" (rather than just not specifying | 82 service constraints, just specify "name=" (rather than just not specifying |
| 81 the constraint at all, which will cause it to inherit the environment's | 83 the constraint at all, which will cause it to inherit the environment's |
| 82 value). | 84 value). |
| 83 | 85 |
| 84 To entirely unset a constraint, specify "name=any". | 86 To entirely unset a constraint, specify "name=any". |
| 85 """ | 87 """ |
| 86 provider = environment.get_machine_provider() | 88 provider = environment.get_machine_provider() |
| 87 constraint_set = yield provider.get_constraint_set() | 89 constraint_set = yield provider.get_constraint_set() |
| 88 constraints = constraint_set.parse(constraint_strs) | 90 constraints = constraint_set.parse(constraint_strs) |
| 89 client = yield provider.connect() | 91 client = yield provider.connect() |
| 90 try: | 92 try: |
| 91 yield legacy.check_constraints(client, constraint_strs) | 93 yield legacy.check_constraints(client, constraint_strs) |
| 92 esm = EnvironmentStateManager(client) | 94 yield sync_environment_state(client, env_config, environment.name) |
| 93 yield esm.set_config_state(env_config, environment.name) | |
| 94 if service_name is None: | 95 if service_name is None: |
| 96 esm = EnvironmentStateManager(client) |
| 95 yield esm.set_constraints(constraints) | 97 yield esm.set_constraints(constraints) |
| 96 else: | 98 else: |
| 97 ssm = ServiceStateManager(client) | 99 ssm = ServiceStateManager(client) |
| 98 service = yield ssm.get_service_state(service_name) | 100 service = yield ssm.get_service_state(service_name) |
| 99 yield service.set_constraints(constraints) | 101 yield service.set_constraints(constraints) |
| 100 finally: | 102 finally: |
| 101 yield client.close() | 103 yield client.close() |
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