plugin

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 Go to latest Published: Jan 27, 2017 License: BSD-3-Clause Imports: 16 Imported by: 0

README

CDS Plugin

How to implement a plugin

    package main

    import "github.com/ovh/cds/sdk/plugin"

    type DummyPlugin struct {
        plugin.Common
    }

    func (d DummyPlugin) Name() string        { return "dummy-plugin" }
    func (d DummyPlugin) Description() string { return "This is a dummy plugin" }
    func (d DummyPlugin) Author() string      { return "François SAMIN <francois.samin@corp.ovh.com>" }

    //Parameters return parameters description
    func (d DummyPlugin) Parameters() plugin.Parameters {
        params := plugin.NewParameters()
        params.Add("param1", "string", "this is a parameter", "default value")
        return params
    }

    //Run execute the action
    func (d DummyPlugin) Run(a plugin.IAction) plugin.Result {
        err := plugin.SendLog(a, "PLUGIN", "This is a log from %s", d.Name())
        if err != nil {
            return plugin.Fail
        }
        return plugin.Success
    }

    func main() {
        p := DummyPlugin{}
        plugin.Serve(&p)
    }

Documentation

Index

Constants

View Source 
const (
	MaxTries            = 5
	RequestTimeout      = time.Minute
	AuthHeader          = "X_AUTH_HEADER"
	RequestedWithValue  = "X-CDS-SDK"
	RequestedWithHeader = "X-Requested-With"
)

HTTP Constants

Variables

View Source 
var Handshake = plugin.HandshakeConfig{
	ProtocolVersion:  1,
	MagicCookieKey:   "CDS_PLUGIN_MAGIC_COOKIE",
	MagicCookieValue: "Q0RTX1BMVUdJTl9NQUdJQ19DT09LSUU=",
}

Handshake is the HandshakeConfig used to configure clients and servers.

View Source 
var (

	//Trace is a debug logger
	Trace *log.Logger
)

Functions

func SendLog 

func SendLog(a IAction, step, format string, i ...interface{}) error

SendLog send logs to CDS engine for the current

func Serve 

func Serve(a CDSAction)

Serve has to be called in main func of every plugin

func SetTrace 

func SetTrace(traceHandle io.Writer)

SetTrace is for debug

Types

type Action 

type Action struct {
	IDActionBuild int64
	Args          Arguments
}

Action is the input of the plugin run function

func (Action) Arguments 

func (a Action) Arguments() Arguments

func (Action) ID 

func (a Action) ID() int64

type Arguments 

type Arguments struct {
	Data map[string]string
}

func (Arguments) Exists 

func (p Arguments) Exists(key string) bool

func (Arguments) Get 

func (p Arguments) Get(key string) string

func (*Arguments) Set 

func (p *Arguments) Set(key, value string)

type CDSAction 

type CDSAction interface {
	Init(IOptions) string
	Name() string
	Description() string
	Author() string
	Parameters() Parameters
	Run(IAction) Result
}

CDSAction is the standard CDSAction Plugin interface

type CDSActionPlugin 

type CDSActionPlugin struct {
	CDSAction
}

CDSActionPlugin is the implementation of plugin.Plugin so we can serve/consume this

func (CDSActionPlugin) Client 

func (a CDSActionPlugin) Client(b *plugin.MuxBroker, c *rpc.Client) (interface{}, error)

Client must return an implementation of our interface that communicates over an RPC client. We return CDSActionRPC for this.

func (CDSActionPlugin) PluginName 

func (a CDSActionPlugin) PluginName() string

PluginName is name for the plugin

func (CDSActionPlugin) Server 

func (a CDSActionPlugin) Server(*plugin.MuxBroker) (interface{}, error)

Server must return an RPC server for this plugin type. We construct a CDSActionRPCServer for this.

type CDSActionRPC 

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

CDSActionRPC is the struct used by the worker

func (*CDSActionRPC) Author 

func (c *CDSActionRPC) Author() string

Author makes rpc call to Author()

func (*CDSActionRPC) Description 

func (c *CDSActionRPC) Description() string

Description makes rpc call to Description()

func (*CDSActionRPC) Init 

func (c *CDSActionRPC) Init(id IOptions) string

Init the plugin

func (*CDSActionRPC) Name 

func (c *CDSActionRPC) Name() string

Name makes rpc call to Name()

func (*CDSActionRPC) Parameters 

func (c *CDSActionRPC) Parameters() Parameters

Parameters makes rpc call to Parameters()

func (*CDSActionRPC) Run 

func (c *CDSActionRPC) Run(a IAction) Result

Run makes rpc call to Run() on client side

type CDSActionRPCServer 

type CDSActionRPCServer struct {
	Impl CDSAction
}

CDSActionRPCServer is the struct called to serve the plugin

func (*CDSActionRPCServer) Author 

func (c *CDSActionRPCServer) Author(args interface{}, resp *string) error

Author serves rpc call to Author()

func (*CDSActionRPCServer) Description 

func (c *CDSActionRPCServer) Description(args interface{}, resp *string) error

Description serves rpc call to Description()

func (*CDSActionRPCServer) Init 

func (c *CDSActionRPCServer) Init(args interface{}, resp *string) error

Init the rpc plugin

func (*CDSActionRPCServer) Name 

func (c *CDSActionRPCServer) Name(args interface{}, resp *string) error

Name serves rpc call to Name()

func (*CDSActionRPCServer) Parameters 

func (c *CDSActionRPCServer) Parameters(args interface{}, resp *Parameters) error

Parameters serves rpc call to Parameters()

func (*CDSActionRPCServer) Run 

func (c *CDSActionRPCServer) Run(args interface{}, resp *Result) error

Run serves rpc call to Run()

type Client 

type Client struct {
	*plugin.Client
	// contains filtered or unexported fields
}

Client must be used from client side to call the plugin. It's managing plugin instanciation and initializing

func NewClient 

func NewClient(name, binary, id, url string, tlsSkipVerify bool) *Client

NewClient has to be called every time we nedd to call a plugin

func (Client) Instance 

func (p Client) Instance() (CDSAction, error)

Instance return a fresh instance of the CDSAction plugin dispensed by a RPC server

type Common 

type Common struct{}

Common is the base plugin struct every plugin should be composed by

func (*Common) Init 

func (p *Common) Init(o IOptions) string

Init is a common function for all plugins

type IAction 

type IAction interface {
	ID() int64
	Arguments() Arguments
}

IAction is the Run() input args of every plugin

type IArguments 

type IArguments interface {
	Get(string) string
	Exists(string) bool
}

type IOptions 

type IOptions interface {
	Hash() string
	GetURL() string
	TLSSkipVerify() bool
}

IOptions is

type IParameters 

type IParameters interface {
	Names() []string
	GetType(string) ParameterType
	GetDescription(string) string
	GetValue(string) string
}

type Log 

type Log struct {
	ActionID int64  `json:"action_build_id"`
	Step     string `json:"step"`
	Value    string `json:"value"`
}

Log a a struct to send log to CDS API

type Options 

type Options struct {
	ID            string
	URL           string
	TlsSkipVerify bool
}

Options is

func (Options) GetURL 

func (o Options) GetURL() string

GetURL prepare authentified requests

func (Options) Hash 

func (o Options) Hash() string

Hash prepare authentified requests

func (Options) TLSSkipVerify 

func (o Options) TLSSkipVerify() bool

TLSSkipVerify returns TLS_SKIP_VERIFY

type ParameterType 

type ParameterType string
const (
	Success                            = "Success"
	Fail                               = "Fail"
	EnvironmentParameter ParameterType = "env"
	PipelineParameter    ParameterType = "pipeline"
	ListParameter        ParameterType = "list"
	NumberParameter      ParameterType = "number"
	PasswordParameter    ParameterType = "password"
	StringParameter      ParameterType = "string"
	TextParameter        ParameterType = "text"
	BooleanParameter     ParameterType = "boolean"
)

Different values for result

type Parameters 

type Parameters struct {
	Data            map[string]string
	DataType        map[string]ParameterType
	DataDescription map[string]string
}

func NewParameters 

func NewParameters() Parameters

func (*Parameters) Add 

func (p *Parameters) Add(name string, _type ParameterType, description string, value string)

func (*Parameters) GetDescription 

func (p *Parameters) GetDescription(k string) string

func (*Parameters) GetType 

func (p *Parameters) GetType(k string) ParameterType

func (*Parameters) GetValue 

func (p *Parameters) GetValue(k string) string

func (*Parameters) Names 

func (p *Parameters) Names() []string

type Result 

type Result string

Result is the output of the plugin run function

Source Files

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Directories

Path Synopsis
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