upgrade

package

v0.4.1-RC2 Latest Latest Go to latest Published: Jul 25, 2019 License: Apache-2.0 Imports: 4 Imported by: 0

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func RunUpgrade(tasks ...Task) error

RunUpgrade runs all the upgrade tasks required

type PreUpgrade struct {
	// contains filtered or unexported fields
}

PreUpgrade is the struct which implements the UpgradeTask interface which can be used to perform the upgrade

func NewPreUpgradeTask(from, to string, c client.Client) *PreUpgrade

NewPreUpgradeTask creates a new preupgrade with given client and specified `from` and `to` version

func (p *PreUpgrade) FromVersion() string

FromVersion returns the version from which the components need to be updated

func (p *PreUpgrade) IsSuccess() error

IsSuccess returns error if the upgrade failed, at any step. Else nil will be returned

func (p *PreUpgrade) PostUpgrade() bool

PostUpgrade runs the tasks that need to be performed after upgrade and returns whether the tasks where success or not

func (p *PreUpgrade) PreUpgrade() bool

PreUpgrade runs the preupgrade tasks and returns whether it succeeded or not

func (p *PreUpgrade) ToVersion() string

ToVersion returns the version to which components will be updated. This should be the current version

func (p *PreUpgrade) Upgrade() bool

Upgrade runs the main upgrade tasks and returns whether it succeeded or not

type Task interface {
	FromVersion() string
	ToVersion() string
	IsSuccess() error
	PreUpgrade() bool
	Upgrade() bool
	PostUpgrade() bool
}

Task interfaces gives a set of methods to be implemented for performing an upgrade