client

package
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 Go to latest Published: Mar 24, 2022 License: MIT Imports: 12 Imported by: 0

Documentation

Overview

Package client can be used to interact with Helm releases.

The types in this package are copied from the "helm.sh/helm/v3/pkg/release" package. We decided for this way, because the experience with the Helm package wasn't satisfying.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Chart 

type Chart struct {
	// Raw contains the raw contents of the files originally contained in the chart archive.
	//
	// This should not be used except in special cases like `helm show values`,
	// where we want to display the raw values, comments and all.
	Raw []*File `json:"-"`
	// Metadata is the contents of the Chartfile.
	Metadata *Metadata `json:"metadata"`
	// Lock is the contents of Chart.lock.
	Lock *Lock `json:"lock"`
	// Templates for this chart.
	Templates []*File `json:"templates"`
	// Values are default config for this chart.
	Values map[string]interface{} `json:"values"`
	// Schema is an optional JSON schema for imposing structure on Values
	Schema []byte `json:"schema"`
	// Files are miscellaneous files in a chart archive,
	// e.g. README, LICENSE, etc.
	Files []*File `json:"files"`
	// contains filtered or unexported fields
}

type Client 

type Client interface {
	List(ctx context.Context, namespace string) ([]*Release, error)
	Get(ctx context.Context, namespace, name string, version int) (*Release, error)
	History(ctx context.Context, namespace, name string) ([]*Release, error)
}

Client is the interface to interact with the Helm charts.

func New 

func New(clusterClient cluster.Client) Client

New returns a new client, which implements the Client interface. The client can then be used to interact with the Helm releases in the given cluster and namespace via the specified driver.

type Dependency 

type Dependency struct {
	// Name is the name of the dependency.
	//
	// This must mach the name in the dependency's Chart.yaml.
	Name string `json:"name"`
	// Version is the version (range) of this chart.
	//
	// A lock file will always produce a single version, while a dependency
	// may contain a semantic version range.
	Version string `json:"version,omitempty"`
	// The URL to the repository.
	//
	// Appending `index.yaml` to this string should result in a URL that can be
	// used to fetch the repository index.
	Repository string `json:"repository"`
	// A yaml path that resolves to a boolean, used for enabling/disabling charts (e.g. subchart1.enabled )
	Condition string `json:"condition,omitempty"`
	// Tags can be used to group charts for enabling/disabling together
	Tags []string `json:"tags,omitempty"`
	// Enabled bool determines if chart should be loaded
	Enabled bool `json:"enabled,omitempty"`
	// ImportValues holds the mapping of source values to parent key to be imported. Each item can be a
	// string or pair of child/parent sublist items.
	ImportValues []interface{} `json:"import-values,omitempty"`
	// Alias usable alias to be used for the chart
	Alias string `json:"alias,omitempty"`
}

Dependency describes a chart upon which another chart depends.

Dependencies can be used to express developer intent, or to capture the state of a chart.

type File 

type File struct {
	// Name is the path-like name of the template.
	Name string `json:"name"`
	// Data is the template as byte data.
	Data []byte `json:"data"`
}

type Hook 

type Hook struct {
	Name string `json:"name,omitempty"`
	// Kind is the Kubernetes kind.
	Kind string `json:"kind,omitempty"`
	// Path is the chart-relative path to the template.
	Path string `json:"path,omitempty"`
	// Manifest is the manifest contents.
	Manifest string `json:"manifest,omitempty"`
	// Events are the events that this hook fires on.
	Events []HookEvent `json:"events,omitempty"`
	// LastRun indicates the date/time this was last run.
	LastRun HookExecution `json:"last_run,omitempty"`
	// Weight indicates the sort order for execution among similar Hook type
	Weight int `json:"weight,omitempty"`
	// DeletePolicies are the policies that indicate when to delete the hook
	DeletePolicies []HookDeletePolicy `json:"delete_policies,omitempty"`
}

Hook defines a hook object.

type HookDeletePolicy 

type HookDeletePolicy string

HookDeletePolicy specifies the hook delete policy 

const (
	HookSucceeded          HookDeletePolicy = "hook-succeeded"
	HookFailed             HookDeletePolicy = "hook-failed"
	HookBeforeHookCreation HookDeletePolicy = "before-hook-creation"
)

Hook delete policy types

type HookEvent 

type HookEvent string

HookEvent specifies the hook event 

const (
	HookPreInstall   HookEvent = "pre-install"
	HookPostInstall  HookEvent = "post-install"
	HookPreDelete    HookEvent = "pre-delete"
	HookPostDelete   HookEvent = "post-delete"
	HookPreUpgrade   HookEvent = "pre-upgrade"
	HookPostUpgrade  HookEvent = "post-upgrade"
	HookPreRollback  HookEvent = "pre-rollback"
	HookPostRollback HookEvent = "post-rollback"
	HookTest         HookEvent = "test"
)

Hook event types

type HookExecution 

type HookExecution struct {
	// StartedAt indicates the date/time this hook was started
	StartedAt string `json:"started_at,omitempty"`
	// CompletedAt indicates the date/time this hook was completed.
	CompletedAt string `json:"completed_at,omitempty"`
	// Phase indicates whether the hook completed successfully
	Phase HookPhase `json:"phase"`
}

A HookExecution records the result for the last execution of a hook for a given release.

type HookPhase 

type HookPhase string

A HookPhase indicates the state of a hook execution 

const (
	// HookPhaseUnknown indicates that a hook is in an unknown state
	HookPhaseUnknown HookPhase = "Unknown"
	// HookPhaseRunning indicates that a hook is currently executing
	HookPhaseRunning HookPhase = "Running"
	// HookPhaseSucceeded indicates that hook execution succeeded
	HookPhaseSucceeded HookPhase = "Succeeded"
	// HookPhaseFailed indicates that hook execution failed
	HookPhaseFailed HookPhase = "Failed"
)

type Info 

type Info struct {
	// FirstDeployed is when the release was first deployed.
	FirstDeployed string `json:"first_deployed,omitempty"`
	// LastDeployed is when the release was last deployed.
	LastDeployed string `json:"last_deployed,omitempty"`
	// Deleted tracks when this object was deleted.
	Deleted string `json:"deleted,omitempty"`
	// Description is human-friendly "log entry" about this release.
	Description string `json:"description,omitempty"`
	// Status is the current state of the release
	Status Status `json:"status,omitempty"`
	// Contains the rendered templates/NOTES.txt if available
	Notes string `json:"notes,omitempty"`
}

Info describes release information.

type Lock 

type Lock struct {
	// Generated is the date the lock file was last generated.
	Generated string `json:"generated,omitempty"`
	// Digest is a hash of the dependencies in Chart.yaml.
	Digest string `json:"digest"`
	// Dependencies is the list of dependencies that this lock file has locked.
	Dependencies []*Dependency `json:"dependencies"`
}

Lock is a lock file for dependencies.

It represents the state that the dependencies should be in.

type Maintainer 

type Maintainer struct {
	// Name is a user name or organization name
	Name string `json:"name,omitempty"`
	// Email is an optional email address to contact the named maintainer
	Email string `json:"email,omitempty"`
	// URL is an optional URL to an address for the named maintainer
	URL string `json:"url,omitempty"`
}

Maintainer describes a Chart maintainer.

type Metadata 

type Metadata struct {
	// The name of the chart. Required.
	Name string `json:"name,omitempty"`
	// The URL to a relevant project page, git repo, or contact person
	Home string `json:"home,omitempty"`
	// Source is the URL to the source code of this chart
	Sources []string `json:"sources,omitempty"`
	// A SemVer 2 conformant version string of the chart. Required.
	Version string `json:"version,omitempty"`
	// A one-sentence description of the chart
	Description string `json:"description,omitempty"`
	// A list of string keywords
	Keywords []string `json:"keywords,omitempty"`
	// A list of name and URL/email address combinations for the maintainer(s)
	Maintainers []*Maintainer `json:"maintainers,omitempty"`
	// The URL to an icon file.
	Icon string `json:"icon,omitempty"`
	// The API Version of this chart. Required.
	APIVersion string `json:"apiVersion,omitempty"`
	// The condition to check to enable chart
	Condition string `json:"condition,omitempty"`
	// The tags to check to enable chart
	Tags string `json:"tags,omitempty"`
	// The version of the application enclosed inside of this chart.
	AppVersion string `json:"appVersion,omitempty"`
	// Whether or not this chart is deprecated
	Deprecated bool `json:"deprecated,omitempty"`
	// Annotations are additional mappings uninterpreted by Helm,
	// made available for inspection by other applications.
	Annotations map[string]string `json:"annotations,omitempty"`
	// KubeVersion is a SemVer constraint specifying the version of Kubernetes required.
	KubeVersion string `json:"kubeVersion,omitempty"`
	// Dependencies are a list of dependencies for a chart.
	Dependencies []*Dependency `json:"dependencies,omitempty"`
	// Specifies the chart type: application or library
	Type string `json:"type,omitempty"`
}

Metadata for a Chart file. This models the structure of a Chart.yaml file.

type MockClient 

type MockClient struct {
	mock.Mock
}

MockClient is an autogenerated mock type for the Client type

func (*MockClient) Get 

func (_m *MockClient) Get(ctx context.Context, namespace string, name string, version int) (*Release, error)

Get provides a mock function with given fields: ctx, namespace, name, version

func (*MockClient) History 

func (_m *MockClient) History(ctx context.Context, namespace string, name string) ([]*Release, error)

History provides a mock function with given fields: ctx, namespace, name

func (*MockClient) List 

func (_m *MockClient) List(ctx context.Context, namespace string) ([]*Release, error)

List provides a mock function with given fields: ctx, namespace

type Release 

type Release struct {
	// Cluster is a custom value, which contains the name of the cluster how it was configured in kobs.
	Cluster string `json:"cluster"`
	// Name is the name of the release
	Name string `json:"name,omitempty"`
	// Info provides information about a release
	Info *Info `json:"info,omitempty"`
	// Chart is the chart that was released.
	Chart *Chart `json:"chart,omitempty"`
	// Config is the set of extra Values added to the chart.
	// These values override the default values inside of the chart.
	Config map[string]interface{} `json:"config,omitempty"`
	// Manifest is the string representation of the rendered template.
	Manifest string `json:"manifest,omitempty"`
	// Hooks are all of the hooks declared for this release.
	Hooks []*Hook `json:"hooks,omitempty"`
	// Version is an int which represents the revision of the release.
	Version int `json:"version,omitempty"`
	// Namespace is the kubernetes namespace of the release.
	Namespace string `json:"namespace,omitempty"`
	// Labels of the release.
	// Disabled encoding into Json cause labels are stored in storage driver metadata field.
	Labels map[string]string `json:"-"`
}

Release describes a deployment of a chart, together with the chart and the variables used to deploy that chart.

type Status 

type Status string

Status is the status of a release 

const (
	// StatusUnknown indicates that a release is in an uncertain state.
	StatusUnknown Status = "unknown"
	// StatusDeployed indicates that the release has been pushed to Kubernetes.
	StatusDeployed Status = "deployed"
	// StatusUninstalled indicates that a release has been uninstalled from Kubernetes.
	StatusUninstalled Status = "uninstalled"
	// StatusSuperseded indicates that this release object is outdated and a newer one exists.
	StatusSuperseded Status = "superseded"
	// StatusFailed indicates that the release was not successfully deployed.
	StatusFailed Status = "failed"
	// StatusUninstalling indicates that a uninstall operation is underway.
	StatusUninstalling Status = "uninstalling"
	// StatusPendingInstall indicates that an install operation is underway.
	StatusPendingInstall Status = "pending-install"
	// StatusPendingUpgrade indicates that an upgrade operation is underway.
	StatusPendingUpgrade Status = "pending-upgrade"
	// StatusPendingRollback indicates that an rollback operation is underway.
	StatusPendingRollback Status = "pending-rollback"
)

Describe the status of a release

Source Files

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