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88 lines
2.6 KiB
Go
88 lines
2.6 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package upgrades provides a framework for testing Kubernetes
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// features before, during, and after different types of upgrades.
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package upgrades
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import (
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"k8s.io/kubernetes/pkg/util/version"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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// UpgradeType represents different types of upgrades.
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type UpgradeType int
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const (
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// MasterUpgrade indicates that only the master is being upgraded.
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MasterUpgrade UpgradeType = iota
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// NodeUpgrade indicates that only the nodes are being upgraded.
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NodeUpgrade
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// ClusterUpgrade indicates that both master and nodes are
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// being upgraded.
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ClusterUpgrade
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// EtcdUpgrade indicates that only etcd is being upgraded (or migrated
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// between storage versions).
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EtcdUpgrade
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// IngressUpgrade indicates that only ingress is being upgraded.
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IngressUpgrade
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)
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// Test is an interface for upgrade tests.
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type Test interface {
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// Name should return a test name sans spaces.
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Name() string
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// Setup should create and verify whatever objects need to
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// exist before the upgrade disruption starts.
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Setup(f *framework.Framework)
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// Test will run during the upgrade. When the upgrade is
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// complete, done will be closed and final validation can
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// begin.
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Test(f *framework.Framework, done <-chan struct{}, upgrade UpgradeType)
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// Teardown should clean up any objects that are created that
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// aren't already cleaned up by the framework. This will
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// always be called, even if Setup failed.
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Teardown(f *framework.Framework)
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}
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// Skippable is an interface that an upgrade test can implement to be
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// able to indicate that it should be skipped.
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type Skippable interface {
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// Skip should return true if test should be skipped. upgCtx
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// provides information about the upgrade that is going to
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// occur.
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Skip(upgCtx UpgradeContext) bool
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}
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// UpgradeContext contains information about all the stages of the
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// upgrade that is going to occur.
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type UpgradeContext struct {
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Versions []VersionContext
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}
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// VersionContext represents a stage of the upgrade.
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type VersionContext struct {
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Version version.Version
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NodeImage string
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}
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