helm

package
v1.3.797 Latest Latest
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 Go to latest Published: Jan 23, 2019 License: Apache-2.0 Imports: 22 Imported by: 8

Documentation

Index

Constants

View Source 
const (
	// ChartFileName file name for a chart
	ChartFileName = "Chart.yaml"
	// RequirementsFileName the file name for helm requirements
	RequirementsFileName = "requirements.yaml"
	// SecretsFileName the file name for secrets
	SecretsFileName = "secrets.yaml"
	// ValuesFileName the file name for values
	ValuesFileName = "values.yaml"
	// TemplatesDirName is the default name for the templates directory
	TemplatesDirName = "templates"

	// DefaultHelmRepositoryURL is the default cluster local helm repo
	DefaultHelmRepositoryURL = "http://jenkins-x-chartmuseum:8080"
)
View Source 
const (
	// AnnotationChartName stores the chart name
	AnnotationChartName = "jenkins.io/chart"
	// AnnotationAppVersion stores the chart's app version
	AnnotationAppVersion = "jenkins.io/chart-app-version"

	// LabelReleaseName stores the chart release name
	LabelReleaseName = "jenkins.io/chart-release"

	// LabelReleaseChartVersion stores the version of a chart installation in a label
	LabelReleaseChartVersion = "jenkins.io/version"
)

Variables

View Source 
var DefaultValuesTreeIgnores = []string{
	"templates/*",
}

DefaultValuesTreeIgnores is the default set of ignored files for collapsing the values tree which are used if ignores is nil

Functions

func AppendMyValues 

func AppendMyValues(valueFiles []string) ([]string, error)

func CombineValueFilesToFile 

func CombineValueFilesToFile(outFile string, inputFiles []string, chartName string, extraValues map[string]interface{}) error

CombineValueFilesToFile iterates through the input files and combines them into a single Values object and then write it to the output file nested inside the chartName

func FindChartFileName 

func FindChartFileName(dir string) (string, error)

FindChartFileName returns the default chart.yaml file name

func FindRequirementsFileName 

func FindRequirementsFileName(dir string) (string, error)

FindRequirementsFileName returns the default requirements.yaml file name

func FindTemplatesDirName 

func FindTemplatesDirName(dir string) (string, error)

FindTemplatesDirName returns the default templates/ dir name

func FindValuesFileName 

func FindValuesFileName(dir string) (string, error)

FindValuesFileName returns the default values.yaml file name

func GenerateReadmeForChart 

func GenerateReadmeForChart(name string, version string, description string, chartRepo string,
	gitRepo string, releaseNotesURL string, appReadme string) string

GenerateReadmeForChart generates a string that can be used as a README.MD, and includes info on the chart.

func GenerateValues 

func GenerateValues(dir string, ignores []string, verbose bool) ([]byte, error)

GenerateValues will generate a values.yaml file in dir. It scans all subdirectories for values.yaml files, and merges them into the values.yaml in the root directory, creating a nested key structure that matches the directory structure. Any keys used that match files with the same name in the directory ( and have empty values) will be inlined as block scalars. Standard UNIX glob patterns can be passed to IgnoreFile directories.

func GetLatestVersion 

func GetLatestVersion(chart string, repo string, username string, password string, helmer Helmer) (string, error)

GetLatestVersion get's the latest version of a chart in a repo using helmer

func HandleExternalFileRefs 

func HandleExternalFileRefs(element interface{}, possibles map[string]string, jsonPath string,
	handler func(path string, element map[string]interface{}, key string) error) error

HandleExternalFileRefs recursively scans the element map structure, looking for nested maps. If it finds keys that match any key-value pair in possibles it will call the handler. The jsonPath is used for referencing the path in the map structure when reporting errors.

func InspectChart 

func InspectChart(chart string, version string, repo string, username string, password string,
	helmer Helmer, closure func(dir string) error) error

InspectChart fetches the specified chart in a repo using helmer, and then calls the closure on it, before cleaning up

func InstallFromChartOptions 

func InstallFromChartOptions(options InstallChartOptions, helmer Helmer, kubeClient kubernetes.Interface,
	installTimeout string) error

InstallFromChartOptions uses the helmer and kubeClient interfaces to install the chart from the options, respeciting the installTimeout

func LoadChart 

func LoadChart(data []byte) (*chart.Metadata, error)

LoadChart loads the requirements from some data

func LoadChartFile 

func LoadChartFile(fileName string) (*chart.Metadata, error)

LoadChartFile loads the chart file or creates empty chart if the file does not exist

func LoadChartName 

func LoadChartName(chartFile string) (string, error)

func LoadChartNameAndVersion 

func LoadChartNameAndVersion(chartFile string) (string, string, error)

func LoadTemplatesDir 

func LoadTemplatesDir(dirName string) (map[string]string, error)

LoadTemplatesDir loads the files in the templates dir or creates empty map if none exist

func LoadValues 

func LoadValues(data []byte) (map[string]interface{}, error)

LoadValues loads the values from some data

func LoadValuesFile 

func LoadValuesFile(fileName string) (map[string]interface{}, error)

LoadValuesFile loads the values file or creates empty map if the file does not exist

func ModifyChart 

func ModifyChart(chartFile string, fn func(chart *chart.Metadata) error) error

ModifyChart modifies the given chart using a callback

func SaveFile 

func SaveFile(fileName string, contents interface{}) error

SaveFile saves contents (a pointer to a data structure) to a file

func SetChartVersion 

func SetChartVersion(chartFile string, version string) error

SetChartVersion modifies the given chart file to update the version

Types

type ChartListing 

type ChartListing struct {
	Chart         string
	Revision      string
	Updated       string
	Status        string
	ChartFullName string
	ChartVersion  string
	ReleaseName   string
	AppVersion    string
	Namespace     string
}

type ChartSummary 

type ChartSummary struct {
	Name         string
	ChartVersion string
	AppVersion   string
	Description  string
}

type DepSorter 

type DepSorter []*Dependency

DepSorter Used to avoid merge conflicts by sorting deps by name

func (DepSorter) Len 

func (a DepSorter) Len() int

func (DepSorter) Less 

func (a DepSorter) Less(i, j int) bool

func (DepSorter) Swap 

func (a DepSorter) Swap(i, j int)

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 ErrNoRequirementsFile 

type ErrNoRequirementsFile error

ErrNoRequirementsFile to detect error condition

type HelmCLI 

type HelmCLI struct {
	Binary     string
	BinVersion Version
	CWD        string
	Runner     util.Commander
	Debug      bool
}

HelmCLI implements common helm actions based on helm CLI

func NewHelmCLI 

func NewHelmCLI(binary string, version Version, cwd string, debug bool, args ...string) *HelmCLI

NewHelmCLI creates a new HelmCLI instance configured to use the provided helm CLI in the given current working directory

func NewHelmCLIWithRunner 

func NewHelmCLIWithRunner(runner util.Commander, binary string, version Version, cwd string, debug bool) *HelmCLI

NewHelmCLIWithRunner creaets a new HelmCLI interface for the given runner

func (*HelmCLI) AddRepo 

func (h *HelmCLI) AddRepo(repo, URL, username, password string) error

AddRepo adds a new helm repo with the given name and URL

func (*HelmCLI) BuildDependency 

func (h *HelmCLI) BuildDependency() error

BuildDependency builds the helm dependencies of the helm chart from the current working directory

func (*HelmCLI) DecryptSecrets 

func (h *HelmCLI) DecryptSecrets(location string) error

func (*HelmCLI) DeleteRelease 

func (h *HelmCLI) DeleteRelease(ns string, releaseName string, purge bool) error

DeleteRelease removes the given release

func (*HelmCLI) Env 

func (h *HelmCLI) Env() map[string]string

Env returns the environment variables for the helmer

func (*HelmCLI) FetchChart 

func (h *HelmCLI) FetchChart(chart string, version string, untar bool, untardir string, repo string,
	username string, password string) error

Fetch a Helm Chart

func (*HelmCLI) FindChart 

func (h *HelmCLI) FindChart() (string, error)

FindChart find a chart in the current working directory, if no chart file is found an error is returned

func (*HelmCLI) HelmBinary 

func (h *HelmCLI) HelmBinary() string

HelmBinary return the configured helm CLI

func (*HelmCLI) Init 

func (h *HelmCLI) Init(clientOnly bool, serviceAccount string, tillerNamespace string, upgrade bool) error

Init executes the helm init command according with the given flags

func (*HelmCLI) InstallChart 

func (h *HelmCLI) InstallChart(chart string, releaseName string, ns string, version string, timeout int,
	values []string, valueFiles []string, repo string, username string, password string) error

InstallChart installs a helm chart according with the given flags

func (*HelmCLI) IsRepoMissing 

func (h *HelmCLI) IsRepoMissing(URL string) (bool, error)

IsRepoMissing checks if the repository with the given URL is missing from helm

func (*HelmCLI) Lint 

func (h *HelmCLI) Lint() (string, error)

Lint lints the helm chart from the current working directory and returns the warnings in the output

func (*HelmCLI) ListCharts 

func (h *HelmCLI) ListCharts() (string, error)

ListCharts execute the helm list command and returns its output

func (*HelmCLI) ListRepos 

func (h *HelmCLI) ListRepos() (map[string]string, error)

ListRepos list the installed helm repos together with their URL

func (*HelmCLI) PackageChart 

func (h *HelmCLI) PackageChart() error

PackageChart packages the chart from the current working directory

func (*HelmCLI) RemoveRepo 

func (h *HelmCLI) RemoveRepo(repo string) error

RemoveRepo removes the given repo from helm

func (*HelmCLI) RemoveRequirementsLock 

func (h *HelmCLI) RemoveRequirementsLock() error

RemoveRequirementsLock removes the requirements.lock file from the current working directory

func (*HelmCLI) SearchChartVersions 

func (h *HelmCLI) SearchChartVersions(chart string) ([]string, error)

SearchChartVersions search all version of the given chart

func (*HelmCLI) SearchCharts 

func (h *HelmCLI) SearchCharts(filter string) ([]ChartSummary, error)

SearchCharts searches for all the charts matching the given filter

func (*HelmCLI) SetCWD 

func (h *HelmCLI) SetCWD(dir string)

SetCWD configures the common working directory of helm CLI

func (*HelmCLI) SetHelmBinary 

func (h *HelmCLI) SetHelmBinary(binary string)

SetHelmBinary configure a new helm CLI

func (*HelmCLI) SetHost 

func (h *HelmCLI) SetHost(tillerAddress string)

SetHost is used to point at a locally running tiller

func (*HelmCLI) StatusRelease 

func (h *HelmCLI) StatusRelease(ns string, releaseName string) error

StatusRelease returns the output of the helm status command for a given release

func (*HelmCLI) StatusReleases 

func (h *HelmCLI) StatusReleases(ns string) (map[string]Release, error)

StatusReleases returns the status of all installed releases

func (*HelmCLI) Template 

func (h *HelmCLI) Template(chart string, releaseName string, ns string, outDir string, upgrade bool,
	values []string, valueFiles []string) error

Template generates the YAML from the chart template to the given directory

func (*HelmCLI) UpdateRepo 

func (h *HelmCLI) UpdateRepo() error

UpdateRepo updates the helm repositories

func (*HelmCLI) UpgradeChart 

func (h *HelmCLI) UpgradeChart(chart string, releaseName string, ns string, version string, install bool,
	timeout int, force bool, wait bool, values []string, valueFiles []string, repo string, username string,
	password string) error

UpgradeChart upgrades a helm chart according with given helm flags

func (*HelmCLI) Version 

func (h *HelmCLI) Version(tls bool) (string, error)

Version executes the helm version command and returns its output

func (*HelmCLI) VersionWithArgs 

func (h *HelmCLI) VersionWithArgs(tls bool, extraArgs ...string) (string, error)

Version executes the helm version command and returns its output

type HelmHook 

type HelmHook struct {
	Kind               string
	Name               string
	File               string
	Hooks              []string
	HookDeletePolicies []string
}

func MatchingHooks 

func MatchingHooks(hooks []*HelmHook, hook string, hookDeletePolicy string) []*HelmHook

MatchingHooks returns the matching files which have the given hook name and if hookPolicy is not blank the hook policy too

func NewHelmHook 

func NewHelmHook(kind string, name string, file string, hook string, hookDeletePolicy string) *HelmHook

NewHelmHook returns a newly created HelmHook

type HelmTemplate 

type HelmTemplate struct {
	Client          *HelmCLI
	WorkDir         string
	CWD             string
	Binary          string
	Runner          util.Commander
	KubectlValidate bool
	KubeClient      kubernetes.Interface
	Namespace       string
}

HelmTemplate implements common helm actions but purely as client side operations delegating a separate Helmer such as HelmCLI for the client side operations

func NewHelmTemplate 

func NewHelmTemplate(client *HelmCLI, workDir string, kubeClient kubernetes.Interface, ns string) *HelmTemplate

NewHelmTemplate creates a new HelmTemplate instance configured to the given client side Helmer

func (*HelmTemplate) AddRepo 

func (h *HelmTemplate) AddRepo(repo, URL, username, password string) error

AddRepo adds a new helm repo with the given name and URL

func (*HelmTemplate) BuildDependency 

func (h *HelmTemplate) BuildDependency() error

BuildDependency builds the helm dependencies of the helm chart from the current working directory

func (*HelmTemplate) DecryptSecrets 

func (h *HelmTemplate) DecryptSecrets(location string) error

func (*HelmTemplate) DeleteRelease 

func (h *HelmTemplate) DeleteRelease(ns string, releaseName string, purge bool) error

DeleteRelease removes the given release

func (*HelmTemplate) Env 

func (h *HelmTemplate) Env() map[string]string

Env returns the environment variables for the helmer

func (*HelmTemplate) FetchChart 

func (h *HelmTemplate) FetchChart(chart string, version string, untar bool, untardir string, repo string,
	username string, password string) error

Fetch a Helm Chart

func (*HelmTemplate) FindChart 

func (h *HelmTemplate) FindChart() (string, error)

FindChart find a chart in the current working directory, if no chart file is found an error is returned

func (*HelmTemplate) HelmBinary 

func (h *HelmTemplate) HelmBinary() string

HelmBinary return the configured helm CLI

func (*HelmTemplate) Init 

func (h *HelmTemplate) Init(clientOnly bool, serviceAccount string, tillerNamespace string, upgrade bool) error

Init executes the helm init command according with the given flags

func (*HelmTemplate) InstallChart 

func (h *HelmTemplate) InstallChart(chart string, releaseName string, ns string, version string, timeout int,
	values []string, valueFiles []string, repo string, username string, password string) error

InstallChart installs a helm chart according with the given flags

func (*HelmTemplate) IsRepoMissing 

func (h *HelmTemplate) IsRepoMissing(URL string) (bool, error)

IsRepoMissing checks if the repository with the given URL is missing from helm

func (*HelmTemplate) Lint 

func (h *HelmTemplate) Lint() (string, error)

Lint lints the helm chart from the current working directory and returns the warnings in the output

func (*HelmTemplate) ListCharts 

func (h *HelmTemplate) ListCharts() (string, error)

ListCharts execute the helm list command and returns its output

func (*HelmTemplate) ListRepos 

func (h *HelmTemplate) ListRepos() (map[string]string, error)

ListRepos list the installed helm repos together with their URL

func (*HelmTemplate) PackageChart 

func (h *HelmTemplate) PackageChart() error

PackageChart packages the chart from the current working directory

func (*HelmTemplate) RemoveRepo 

func (h *HelmTemplate) RemoveRepo(repo string) error

RemoveRepo removes the given repo from helm

func (*HelmTemplate) RemoveRequirementsLock 

func (h *HelmTemplate) RemoveRequirementsLock() error

RemoveRequirementsLock removes the requirements.lock file from the current working directory

func (*HelmTemplate) SearchChartVersions 

func (h *HelmTemplate) SearchChartVersions(chart string) ([]string, error)

SearchChartVersions search all version of the given chart

func (*HelmTemplate) SearchCharts 

func (h *HelmTemplate) SearchCharts(filter string) ([]ChartSummary, error)

SearchCharts searches for all the charts matching the given filter

func (*HelmTemplate) SetCWD 

func (h *HelmTemplate) SetCWD(dir string)

SetCWD configures the common working directory of helm CLI

func (*HelmTemplate) SetHelmBinary 

func (h *HelmTemplate) SetHelmBinary(binary string)

SetHelmBinary configure a new helm CLI

func (*HelmTemplate) SetHost 

func (h *HelmTemplate) SetHost(tillerAddress string)

SetHost is used to point at a locally running tiller

func (*HelmTemplate) StatusRelease 

func (h *HelmTemplate) StatusRelease(ns string, releaseName string) error

StatusRelease returns the output of the helm status command for a given release

func (*HelmTemplate) StatusReleases 

func (h *HelmTemplate) StatusReleases(ns string) (map[string]Release, error)

StatusReleases returns the status of all installed releases

func (*HelmTemplate) UpdateRepo 

func (h *HelmTemplate) UpdateRepo() error

UpdateRepo updates the helm repositories

func (*HelmTemplate) UpgradeChart 

func (h *HelmTemplate) UpgradeChart(chart string, releaseName string, ns string, version string, install bool,
	timeout int, force bool, wait bool, values []string, valueFiles []string, repo string, username string,
	password string) error

UpgradeChart upgrades a helm chart according with given helm flags

func (*HelmTemplate) Version 

func (h *HelmTemplate) Version(tls bool) (string, error)

Version executes the helm version command and returns its output

type Helmer 

type Helmer interface {
	SetCWD(dir string)
	HelmBinary() string
	SetHelmBinary(binary string)
	Init(clientOnly bool, serviceAccount string, tillerNamespace string, upgrade bool) error
	AddRepo(repo, URL, username, password string) error
	RemoveRepo(repo string) error
	ListRepos() (map[string]string, error)
	UpdateRepo() error
	IsRepoMissing(URL string) (bool, error)
	RemoveRequirementsLock() error
	BuildDependency() error
	InstallChart(chart string, releaseName string, ns string, version string, timeout int,
		values []string, valueFiles []string, repo string, username string, password string) error
	FetchChart(chart string, version string, untar bool, untardir string, repo string, username string,
		password string) error
	UpgradeChart(chart string, releaseName string, ns string, version string, install bool,
		timeout int, force bool, wait bool, values []string, valueFiles []string, repo string, username string,
		password string) error
	DeleteRelease(ns string, releaseName string, purge bool) error
	ListCharts() (string, error)
	SearchChartVersions(chart string) ([]string, error)
	FindChart() (string, error)
	PackageChart() error
	StatusRelease(ns string, releaseName string) error
	StatusReleases(ns string) (map[string]Release, error)
	Lint() (string, error)
	Version(tls bool) (string, error)
	SearchCharts(filter string) ([]ChartSummary, error)
	SetHost(host string)
	Env() map[string]string
	DecryptSecrets(location string) error
}

Helmer defines common helm actions used within Jenkins X

type InstallChartOptions 

type InstallChartOptions struct {
	Dir         string
	ReleaseName string
	Chart       string
	Version     string
	Ns          string
	HelmUpdate  bool
	SetValues   []string
	ValueFiles  []string
	Repository  string
	Username    string
	Password    string
}

type Release 

type Release struct {
	Release string
	Status  string
	Version string
}

Release defines a struct to store details about a helm release

type Requirements 

type Requirements struct {
	Dependencies []*Dependency `json:"dependencies"`
}

Requirements is a list of requirements for a chart.

Requirements are charts upon which this chart depends. This expresses developer intent.

func LoadRequirements 

func LoadRequirements(data []byte) (*Requirements, error)

LoadRequirements loads the requirements from some data

func LoadRequirementsFile 

func LoadRequirementsFile(fileName string) (*Requirements, error)

LoadRequirementsFile loads the requirements file or creates empty requirements if the file does not exist

func (*Requirements) RemoveApplication 

func (r *Requirements) RemoveApplication(app string) bool

RemoveApplication removes the given app name. Returns true if a dependency was removed

func (*Requirements) SetAppVersion 

func (r *Requirements) SetAppVersion(app string, version string, repository string, alias string)

SetAppVersion sets the version of the app to use

type Version 

type Version int

Version defines the helm version 

const (
	V2 Version = 2
	V3         = 3
)

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