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69 lines
3.0 KiB
69 lines
3.0 KiB
# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# Valid trunk statuses
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# The trunk is happy, yay!
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# A trunk remains in ACTIVE state when updates like name or admin_status_up
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# occur. It goes back to ACTIVE state from other states (e.g. BUILD) when
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# logical and physical resource provisioning has completed successfully. The
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# attribute ADMIN_STATE_UP is not to be confused with STATUS: the former
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# indicates whether a trunk can be managed. If a trunk has admin_state_up
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# equal to false, the trunk plugin will reject any user request to manage
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# the trunk resources (i.e. adding/removing sub-ports).
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ACTIVE_STATUS = 'ACTIVE'
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# The server has acknowledged the user request: a user has asked to either
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# create a trunk or add/remove resources to a trunk, and the plugin has
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# created/updated the logical resource. The request has been passed along
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# to a backend, and the physical resources associated to the trunk are
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# in the process of being provisioned.
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PENDING_STATUS = 'PENDING'
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# A driver/backend has acknowledged the server request: once the server
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# notifies the driver/backend, a trunk is in BUILD state while the
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# backend provisions the trunk resources.
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BUILD_STATUS = 'BUILD'
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# Should any temporary system failure occur during the provisioning process,
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# a trunk is in DEGRADED state. This means that the trunk was only
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# partially provisioned, and only a subset of the subports were added
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# successfully to the trunk. The operation of removing/adding the faulty
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# subports may be attempted as a recovery measure.
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DEGRADED_STATUS = 'DEGRADED'
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# Due to unforeseen circumstances, the user request has led to a conflict, and
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# the trunk cannot be provisioned correctly for a subset of subports. For
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# instance, a subport belonging to a network might not be compatible with
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# the current trunk configuration, or the binding process leads to a persistent
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# failure. Removing the 'offending' resource may be attempted as a recovery
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# measure, but readding it to the trunk should lead to the same error
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# condition. A trunk in ERROR status should be brought back to a sane status
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# (i.e. any state except ERROR state) before attempting to add more subports,
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# therefore requests of adding more subports must be rejected to avoid
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# cascading errors.
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ERROR_STATUS = 'ERROR'
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# String literals for identifying trunk resources
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PARENT_PORT = 'parent_port'
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SUBPORTS = 'subports'
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TRUNK = 'trunk'
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TRUNK_PLUGIN = 'trunk_plugin'
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# String literals for segmentation types
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VLAN = 'vlan'
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