kubecfg

package
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Published: Nov 5, 2014 License: Apache-2.0 Imports: 24 Imported by: 0

Documentation

Overview

Package kubecfg is a set of libraries that are used by the kubecfg command line tool. They are separated out into a library to support unit testing. Most functionality should be included in this package, and the main kubecfg should really just be an entry point.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func DeleteController

func DeleteController(ctx api.Context, name string, client client.Interface) error

DeleteController deletes a replication controller named 'name', requires that the controller already be stopped.

func GetServerVersion

func GetServerVersion(client *client.Client) (*version.Info, error)

func ResizeController

func ResizeController(ctx api.Context, name string, replicas int, client client.Interface) error

ResizeController resizes a controller named 'name' by setting replicas to 'replicas'.

func RunController

func RunController(ctx api.Context, image, name string, replicas int, client client.Interface, portSpec string, servicePort int) error

RunController creates a new replication controller named 'name' which creates 'replicas' pods running 'image'.

func SaveNamespaceInfo

func SaveNamespaceInfo(path string, ns *NamespaceInfo) error

SaveNamespaceInfo saves a NamespaceInfo object at the specified file path.

func StopController

func StopController(ctx api.Context, name string, client client.Interface) error

StopController stops a controller named 'name' by setting replicas to zero.

func Update

func Update(ctx api.Context, name string, client client.Interface, updatePeriod time.Duration, imageName string) error

Update performs a rolling update of a collection of pods. 'name' points to a replication controller. 'client' is used for updating pods. 'updatePeriod' is the time between pod updates. 'imageName' is the new image to update for the template. This will work

with the first container in the pod.  There is no support yet for
updating more complex replication controllers.  If this is blank then no
update of the image is performed.

Types

type AuthInfo

type AuthInfo struct {
	User        string
	Password    string
	CAFile      string
	CertFile    string
	KeyFile     string
	BearerToken string
	Insecure    *bool
}

func LoadAuthInfo

func LoadAuthInfo(path string, r io.Reader) (*AuthInfo, error)

LoadAuthInfo parses an AuthInfo object from a file path. It prompts user and creates file if it doesn't exist.

type HumanReadablePrinter

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

HumanReadablePrinter is an implementation of ResourcePrinter which attempts to provide more elegant output.

func NewHumanReadablePrinter

func NewHumanReadablePrinter() *HumanReadablePrinter

NewHumanReadablePrinter creates a HumanReadablePrinter.

func (*HumanReadablePrinter) Handler

func (h *HumanReadablePrinter) Handler(columns []string, printFunc interface{}) error

Handler adds a print handler with a given set of columns to HumanReadablePrinter instance. printFunc is the function that will be called to print an object. It must be of the following type:

func printFunc(object ObjectType, w io.Writer) error

where ObjectType is the type of the object that will be printed.

func (*HumanReadablePrinter) Print

func (h *HumanReadablePrinter) Print(data []byte, output io.Writer) error

Print parses the data as JSON, then prints the parsed data in a human-friendly format according to the type of the data.

func (*HumanReadablePrinter) PrintObj

func (h *HumanReadablePrinter) PrintObj(obj runtime.Object, output io.Writer) error

PrintObj prints the obj in a human-friendly format according to the type of the obj.

type IdentityPrinter

type IdentityPrinter struct{}

IdentityPrinter is an implementation of ResourcePrinter which simply copies the body out to the output stream.

func (*IdentityPrinter) Print

func (i *IdentityPrinter) Print(data []byte, w io.Writer) error

Print is an implementation of ResourcePrinter.Print which simply writes the data to the Writer.

func (*IdentityPrinter) PrintObj

func (i *IdentityPrinter) PrintObj(obj runtime.Object, output io.Writer) error

PrintObj is an implementation of ResourcePrinter.PrintObj which simply writes the object to the Writer.

type NamespaceInfo

type NamespaceInfo struct {
	Namespace string
}

func LoadNamespaceInfo

func LoadNamespaceInfo(path string) (*NamespaceInfo, error)

LoadNamespaceInfo parses a NamespaceInfo object from a file path. It creates a file at the specified path if it doesn't exist with the default namespace.

type Parser

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

func NewParser

func NewParser(objectMap map[string]runtime.Object) *Parser

NewParser creates a new parser.

func (*Parser) SupportedWireStorage

func (p *Parser) SupportedWireStorage() []string

func (*Parser) ToWireFormat

func (p *Parser) ToWireFormat(data []byte, storage string, decode runtime.Codec, encode runtime.Codec) ([]byte, error)

ToWireFormat takes input 'data' as either json or yaml, checks that it parses as the appropriate object type, and returns json for sending to the API or an error.

type ProxyServer

type ProxyServer struct {
	httputil.ReverseProxy
}

ProxyServer is a http.Handler which proxies Kubernetes APIs to remote API server.

func NewProxyServer

func NewProxyServer(filebase string, cfg *client.Config) (*ProxyServer, error)

NewProxyServer creates and installs a new ProxyServer. It automatically registers the created ProxyServer to http.DefaultServeMux.

func (*ProxyServer) Serve

func (s *ProxyServer) Serve() error

Serve starts the server (http.DefaultServeMux) on TCP port 8001, loops forever.

type ResourcePrinter

type ResourcePrinter interface {
	// Print receives an arbitrary JSON body, formats it and prints it to a writer.
	Print([]byte, io.Writer) error
	PrintObj(runtime.Object, io.Writer) error
}

ResourcePrinter is an interface that knows how to print API resources.

type TemplatePrinter

type TemplatePrinter struct {
	Template *template.Template
}

TemplatePrinter is an implementation of ResourcePrinter which formats data with a Go Template.

func (*TemplatePrinter) Print

func (t *TemplatePrinter) Print(data []byte, w io.Writer) error

Print parses the data as JSON, and re-formats it with the Go Template.

func (*TemplatePrinter) PrintObj

func (t *TemplatePrinter) PrintObj(obj runtime.Object, w io.Writer) error

PrintObj formats the obj with the Go Template.

type YAMLPrinter

type YAMLPrinter struct{}

YAMLPrinter is an implementation of ResourcePrinter which parsess JSON, and re-formats as YAML.

func (*YAMLPrinter) Print

func (y *YAMLPrinter) Print(data []byte, w io.Writer) error

Print parses the data as JSON, re-formats as YAML and prints the YAML.

func (*YAMLPrinter) PrintObj

func (y *YAMLPrinter) PrintObj(obj runtime.Object, w io.Writer) error

PrintObj prints the data as YAML.

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