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Viewing changes to src/github.com/juju/juju/api/facadeversions.go

  • Committer: Nicholas Skaggs
  • Date: 2016-10-24 20:56:05 UTC
  • Revision ID: nicholas.skaggs@canonical.com-20161024205605-z8lta0uvuhtxwzwl
Initi with beta15

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src/github.com/juju/juju/api/facadeversions.go
 
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// Copyright 2014 Canonical Ltd.
 
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// Licensed under the AGPLv3, see LICENCE file for details.
 
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package api
 
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// facadeVersions lists the best version of facades that we know about. This
 
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// will be used to pick out a default version for communication, given the list
 
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// of known versions that the API server tells us it is capable of supporting.
 
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// This map should be updated whenever the API server exposes a new version (so
 
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// that the client will use it whenever it is available).
 
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// New facades should start at 1.
 
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// Facades that existed before versioning start at 0.
 
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var facadeVersions = map[string]int{
 
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        "Action":                       2,
 
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        "Agent":                        2,
 
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        "AgentTools":                   1,
 
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        "AllModelWatcher":              2,
 
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        "AllWatcher":                   1,
 
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        "Annotations":                  2,
 
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        "Application":                  1,
 
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        "ApplicationScaler":            1,
 
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        "Backups":                      1,
 
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        "Block":                        2,
 
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        "CharmRevisionUpdater":         2,
 
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        "Charms":                       2,
 
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        "Cleaner":                      2,
 
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        "Client":                       1,
 
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        "Cloud":                        1,
 
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        "Controller":                   3,
 
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        "Deployer":                     1,
 
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        "DiscoverSpaces":               2,
 
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        "DiskManager":                  2,
 
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        "EntityWatcher":                2,
 
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        "FilesystemAttachmentsWatcher": 2,
 
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        "Firewaller":                   3,
 
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        "HighAvailability":             2,
 
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        "HostKeyReporter":              1,
 
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        "ImageManager":                 2,
 
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        "ImageMetadata":                2,
 
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        "InstancePoller":               3,
 
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        "KeyManager":                   1,
 
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        "KeyUpdater":                   1,
 
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        "LeadershipService":            2,
 
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        "LifeFlag":                     1,
 
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        "LogForwarding":                1,
 
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        "Logger":                       1,
 
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        "MachineActions":               1,
 
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        "MachineManager":               2,
 
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        "Machiner":                     1,
 
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        "MeterStatus":                  1,
 
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        "MetricsAdder":                 2,
 
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        "MetricsDebug":                 2,
 
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        "MetricsManager":               1,
 
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        "MigrationFlag":                1,
 
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        "MigrationMaster":              1,
 
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        "MigrationMinion":              1,
 
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        "MigrationStatusWatcher":       1,
 
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        "MigrationTarget":              1,
 
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        "ModelConfig":                  1,
 
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        "ModelManager":                 2,
 
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        "NotifyWatcher":                1,
 
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        "Payloads":                     1,
 
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        "PayloadsHookContext":          1,
 
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        "Pinger":                       1,
 
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        "Provisioner":                  3,
 
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        "ProxyUpdater":                 1,
 
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        "Reboot":                       2,
 
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        "RelationUnitsWatcher":         1,
 
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        "Resources":                    1,
 
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        "ResourcesHookContext":         1,
 
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        "Resumer":                      2,
 
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        "RetryStrategy":                1,
 
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        "Singular":                     1,
 
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        "Spaces":                       2,
 
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        "SSHClient":                    1,
 
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        "StatusHistory":                2,
 
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        "Storage":                      3,
 
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        "StorageProvisioner":           3,
 
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        "StringsWatcher":               1,
 
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        "Subnets":                      2,
 
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        "Undertaker":                   1,
 
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        "UnitAssigner":                 1,
 
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        "Uniter":                       4,
 
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        "Upgrader":                     1,
 
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        "UserManager":                  1,
 
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        "VolumeAttachmentsWatcher":     2,
 
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}
 
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// bestVersion tries to find the newest version in the version list that we can
 
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// use.
 
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func bestVersion(desiredVersion int, versions []int) int {
 
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        best := 0
 
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        for _, version := range versions {
 
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                if version <= desiredVersion && version > best {
 
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                        best = version
 
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                }
 
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        }
 
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        return best
 
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}