kubernetesupgrade

package
v0.3.0 Latest Latest
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Published: Jul 7, 2017 License: MIT Imports: 14 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func WriteTemplate

func WriteTemplate(upgradeContainerService *api.ContainerService,
	templateMap map[string]interface{}, parametersMap map[string]interface{})

WriteTemplate writes upgrade template to a folder

Types

type AgentPoolTopology

type AgentPoolTopology struct {
	Identifier       *string
	Name             *string
	AgentVMs         *[]compute.VirtualMachine
	UpgradedAgentVMs *[]compute.VirtualMachine
}

AgentPoolTopology contains agent VMs in a single pool

type ClusterTopology

type ClusterTopology struct {
	DataModel     *api.ContainerService
	ResourceGroup string
	NameSuffix    string

	AgentPools map[string]*AgentPoolTopology

	MasterVMs         *[]compute.VirtualMachine
	UpgradedMasterVMs *[]compute.VirtualMachine
}

ClusterTopology contains resources of the cluster the upgrade operation is targeting

type Kubernetes162upgrader

type Kubernetes162upgrader struct {
	ClusterTopology
	GoalStateDataModel *api.ContainerService

	Client armhelpers.ACSEngineClient
}

Kubernetes162upgrader upgrades a Kubernetes 1.5.3 cluster to 1.6.2

func (*Kubernetes162upgrader) ClusterPreflightCheck

func (ku *Kubernetes162upgrader) ClusterPreflightCheck() error

ClusterPreflightCheck does preflight check

func (*Kubernetes162upgrader) RunUpgrade

func (ku *Kubernetes162upgrader) RunUpgrade() error

RunUpgrade runs the upgrade pipeline

func (*Kubernetes162upgrader) Validate

func (ku *Kubernetes162upgrader) Validate() error

Validate will run validation post upgrade

type UpgradeAgentNode

type UpgradeAgentNode struct {
	TemplateMap             map[string]interface{}
	ParametersMap           map[string]interface{}
	UpgradeContainerService *api.ContainerService
	ResourceGroup           string
	Client                  armhelpers.ACSEngineClient
}

UpgradeAgentNode upgrades a Kubernetes 1.5.3 agent node to 1.6.2

func (*UpgradeAgentNode) CreateNode

func (kan *UpgradeAgentNode) CreateNode(poolName string, agentNo int) error

CreateNode creates a new master/agent node with the targeted version of Kubernetes

func (*UpgradeAgentNode) DeleteNode

func (kan *UpgradeAgentNode) DeleteNode(vmName *string) error

DeleteNode takes state/resources of the master/agent node from ListNodeResources backs up/preserves state as needed by a specific version of Kubernetes and then deletes the node

func (*UpgradeAgentNode) Validate

func (kan *UpgradeAgentNode) Validate() error

Validate will verify the that master/agent node has been upgraded as expected.

type UpgradeCluster

type UpgradeCluster struct {
	ClusterTopology
	Client armhelpers.ACSEngineClient

	UpgradeModel *api.UpgradeContainerService
}

UpgradeCluster upgrades a cluster with Orchestrator version X (or X.X or X.X.X) to version y (or Y.Y or X.X.X). RIght now upgrades are supported for Kubernetes cluster only.

func (*UpgradeCluster) UpgradeCluster

func (uc *UpgradeCluster) UpgradeCluster(subscriptionID uuid.UUID, resourceGroup string,
	cs *api.ContainerService, ucs *api.UpgradeContainerService, nameSuffix string) error

UpgradeCluster runs the workflow to upgrade a Kubernetes cluster. UpgradeContainerService contains target state of the cluster that the operation will drive towards.

type UpgradeMasterNode

type UpgradeMasterNode struct {
	TemplateMap             map[string]interface{}
	ParametersMap           map[string]interface{}
	UpgradeContainerService *api.ContainerService
	ResourceGroup           string
	Client                  armhelpers.ACSEngineClient
}

UpgradeMasterNode upgrades a Kubernetes 1.5.3 master node to 1.6.2

func (*UpgradeMasterNode) CreateNode

func (kmn *UpgradeMasterNode) CreateNode(poolName string, masterNo int) error

CreateNode creates a new master/agent node with the targeted version of Kubernetes

func (*UpgradeMasterNode) DeleteNode

func (kmn *UpgradeMasterNode) DeleteNode(vmName *string) error

DeleteNode takes state/resources of the master/agent node from ListNodeResources backs up/preserves state as needed by a specific version of Kubernetes and then deletes the node

func (*UpgradeMasterNode) Validate

func (kmn *UpgradeMasterNode) Validate() error

Validate will verify the that master/agent node has been upgraded as expected.

type UpgradeNode

type UpgradeNode interface {
	// DeleteNode takes state/resources of the master/agent node from ListNodeResources
	// backs up/preserves state as needed by a specific version of Kubernetes and then deletes
	// the node
	DeleteNode(*string) error

	// CreateNode creates a new master/agent node with the targeted version of Kubernetes
	CreateNode(string, int) error

	// Validate will verify the that master/agent node has been upgraded as expected.
	Validate() error
}

UpgradeNode drives work flow of deleting and replacing a master or agent node to a specified target version of Kubernetes

type UpgradeWorkFlow

type UpgradeWorkFlow interface {
	ClusterPreflightCheck() error

	// upgrade masters
	// upgrade agent nodes
	RunUpgrade() error

	Validate() error
}

UpgradeWorkFlow outlines various individual high level steps that need to be run (one or more times) in the upgrade workflow.

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