service

package
v0.6.4 Latest Latest
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 Go to latest Published: Jan 18, 2021 License: Apache-2.0 Imports: 33 Imported by: 0

Documentation

Overview

Package vine is a pluggable framework for vine services

Index

Constants

This section is empty.

Variables

View Source 
var (
	HeaderPrefix = "Vine-"
)

Functions

func NewContext 

func NewContext(ctx context.Context, s Service) context.Context

NewContext returns a new Context with the Service embedded within it.

func Plugins 

func Plugins() []plugin.Plugin

Plugins lists the service plugins

func Register 

func Register(pl plugin.Plugin) error

Register registers an service plugin

func RegisterHandler 

func RegisterHandler(s server.Server, h interface{}, opts ...server.HandlerOption) error

RegisterHandler is syntactic sugar for registering a handler

func RegisterSubscriber 

func RegisterSubscriber(topic string, s server.Server, h interface{}, opts ...server.SubscriberOption) error

RegisterSubscriber is syntactic sugar for registering a subscriber

Types

type Event 

type Event interface {
	// Publish publishes a message to the event topic
	Publish(ctx context.Context, msg interface{}, opts ...client.PublishOption) error
}

Event is used to publish messages to topic

func NewEvent 

func NewEvent(topic string, c client.Client) Event

NewEvent creates a new event pulisher

type Function 

type Function interface {
	// Inherits Service interface
	Service
	// Done signals to complete execution
	Done() error
	// Handle registers an RPC handler
	Handle(v interface{}) error
	// Subscribe registers a subscriber
	Subscribe(topic string, v interface{}) error
}

Function is a one time executing Service

func NewFunction 

func NewFunction(opts ...Option) Function

NewFunction returns a new Function for a one time executing Service

type Option 

type Option func(*Options)

func Action 

func Action(a func(*cli.Context) error) Option

Action can be used to parse user provided cli options

func Address 

func Address(addr string) Option

Address sets the address of the server

func AfterStart 

func AfterStart(fn func() error) Option

AfterStart run funcs after service starts

func AfterStop 

func AfterStop(fn func() error) Option

AfterStop run funcs after service stops

func Auth 

func Auth(a auth.Auth) Option

Auth sets the auth for the service

func BeforeStart 

func BeforeStart(fn func() error) Option

BeforeStart run functions before service starts

func BeforeStop 

func BeforeStop(fn func() error) Option

BeforeStop run funcs before service stops

func Broker 

func Broker(b broker.Broker) Option

Broker to be used for service

func Client 

func Client(c client.Client) Option

Client to be used for service

func Cmd 

func Cmd(c cmd.Cmd) Option

func Config 

func Config(c config.Config) Option

Config sets the config for the service

func Context 

func Context(ctx context.Context) Option

Context specifies a context for the service. Can be used to signal shutdown of the service and for extra option values.

func Flags 

func Flags(flags ...cli.Flag) Option

Flags that can be passed to service

func HandleSignal 

func HandleSignal(b bool) Option

HandleSignal toggle automatic installation of the signal handler that traps TERM, INT, and QUIT. Users of this future to disable the signal handler, should control liveness of the service through the context

func Metadata 

func Metadata(md map[string]string) Option

Metadata associated with the service

func Name 

func Name(n string) Option

Name of the service

func Profile 

func Profile(p profile.Profile) Option

Profile to be used for debug profile

func RegisterInterval 

func RegisterInterval(t time.Duration) Option

RegisterInterval specifies the interval on which to re-register

func RegisterTTL 

func RegisterTTL(t time.Duration) Option

RegisterTTL specifies the TTL to use when registering the service

func Registry 

func Registry(r registry.Registry) Option

Registry sets the registry for the service and the underlying components

func Runtime 

func Runtime(r runtime.Runtime) Option

Runtime sets the runtime

func Selector 

func Selector(s selector.Selector) Option

Selector sets the selector for the service client

func Server 

func Server(s server.Server) Option

Server to be used for service

func Store 

func Store(s store.Store) Option

Store sets the store to use

func Tracer 

func Tracer(t trace.Tracer) Option

Tracer sets the tracer for the service

func Transport 

func Transport(t transport.Transport) Option

Transport sets the transport for the service and the underlying components

func Version 

func Version(v string) Option

Version of the service

func WrapCall 

func WrapCall(w ...client.CallWrapper) Option

WrapCall is a convenience method for wrapping a Client CallFunc

func WrapClient 

func WrapClient(w ...client.Wrapper) Option

WrapClient is a convenience method for wrapping a Client with some middleware component. A list of wrappers can be provided. Wrappers are applied in reverse order so the last is executed first.

func WrapHandler 

func WrapHandler(w ...server.HandlerWrapper) Option

WrapHandler adds a handler Wrapper to a list of options passed into the server

func WrapSubscriber 

func WrapSubscriber(w ...server.SubscriberWrapper) Option

WrapSubscriber adds subscriber Wrapper to a list of options passed into the server

type Options 

type Options struct {
	Auth      auth.Auth
	Broker    broker.Broker
	Cmd       cmd.Cmd
	Client    client.Client
	Config    config.Config
	Server    server.Server
	Store     store.Store
	Registry  registry.Registry
	Runtime   runtime.Runtime
	Transport transport.Transport
	Profile   profile.Profile

	// Before and After funcs
	BeforeStart []func() error
	BeforeStop  []func() error
	AfterStart  []func() error
	AfterStop   []func() error

	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context

	Signal bool
}

Options for vine service

type Service 

type Service interface {
	// The service name
	Name() string
	// Init initialises options
	Init(...Option)
	// Options returns the current options
	Options() Options
	// Client is used to call services
	Client() client.Client
	// Server is for handling requests and events
	Server() server.Server
	// Run the service
	Run() error
	// The service implementation
	String() string
}

Service is an interface that wraps the lower level libraries within vine. Its a convenience method for building and initialising services.

func FromContext 

func FromContext(ctx context.Context) (Service, bool)

FromContext retrieves a Service from the Context.

func NewService 

func NewService(opts ...Option) Service

NewService creates and returns a new Service based on the packages within.

Source Files

View all Source files

Directories

Path Synopsis
command
Package command is an interface for defining bot commands
 Package command is an interface for defining bot commands
input
Package input is an interface for bot inputs
 Package input is an interface for bot inputs
input/discord
input/slack
input/telegram
api
handler
Package handler provides http handlers
 Package handler provides http handlers
handler/api
Package api provides an http-rpc handler which provides the entire http request over rpc
 Package api provides an http-rpc handler which provides the entire http request over rpc
handler/event
Package event provides a handler which publishes an event
 Package event provides a handler which publishes an event
handler/http
Package http is a http reverse proxy handler
 Package http is a http reverse proxy handler
handler/rpc
Package rpc is a vine rpc handler.
 Package rpc is a vine rpc handler.
handler/web
Package web contains the web handler including websocket support
 Package web contains the web handler including websocket support
resolver
Package resolver resolves a http request to an endpoint
 Package resolver resolves a http request to an endpoint
resolver/grpc
Package grpc resolves a grpc service like /greeter.Say/Hello to greeter service
 Package grpc resolves a grpc service like /greeter.Say/Hello to greeter service
resolver/host
Package host resolves using http host
 Package host resolves using http host
resolver/path
Package path resolves using http path
 Package path resolves using http path
resolver/vpath
Package vpath resolves using http path and recognised versioned urls
 Package vpath resolves using http path and recognised versioned urls
router
Package router provides api service routing
 Package router provides api service routing
router/registry
Package registry provides a dynamic api service router
 Package registry provides a dynamic api service router
router/static
router/util
server
Package server provides an API gateway server which handles inbound requests
 Package server provides an API gateway server which handles inbound requests
server/acme
Package acme abstracts away various ACME libraries
 Package acme abstracts away various ACME libraries
server/acme/autocert
Package autocert is the ACME provider from golang.org/x/crypto/acme/autocert This provider does not take any config.
 Package autocert is the ACME provider from golang.org/x/crypto/acme/autocert This provider does not take any config.
server/acme/certmagic
Package certmagic is the ACME provider from github.com/caddyserver/certmagic
 Package certmagic is the ACME provider from github.com/caddyserver/certmagic
server/cors
server/http
Package http provides a http server with features; acme, cors, etc
 Package http provides a http server with features; acme, cors, etc
Package auth provides authentication and authorization capability
 Package auth provides authentication and authorization capability
grpc
jwt
noop
provider
Package provider is an external auth provider e.g oauth
 Package provider is an external auth provider e.g oauth
provider/basic
provider/oauth
rules
token
token/basic
token/jwt
Package broker is an interface used for asynchronous messaging Package http provides a http based message broker
 Package broker is an interface used for asynchronous messaging Package http provides a http based message broker
grpc
http
memory
grpc
mucp
selector
Package selector is a way to pick a list of service nodes
 Package selector is a way to pick a list of service nodes
selector/dns
Package dns provides a dns SRV selector
 Package dns provides a dns SRV selector
selector/router
Package router is a network/router selector
 Package router is a network/router selector
selector/static
Package static provides a static resolver which returns the name/ip passed in without any change
 Package static provides a static resolver which returns the name/ip passed in without any change
bytes
Package bytes provides a bytes codec which does not encode or decode anything
 Package bytes provides a bytes codec which does not encode or decode anything
grpc
Package grpc provides a grpc codec
 Package grpc provides a grpc codec
json
jsonrpc
proto
protorpc
text
cmd
encoder
encoder/hcl
encoder/json
encoder/toml
encoder/xml
encoder/yaml
loader
Package loader manages loading from multiple sources
 Package loader manages loading from multiple sources
loader/memory
reader
reader/json
secrets
Package secrets is an interface for encrypting and decrypting secrets
 Package secrets is an interface for encrypting and decrypting secrets
secrets/box
Package box is an asymmetric implementation of config/secrets using nacl/box
 Package box is an asymmetric implementation of config/secrets using nacl/box
secrets/secretbox
Package secretbox is a config/secrets implementation that uses nacl/secretbox to do symmetric encryption / verification
 Package secretbox is a config/secrets implementation that uses nacl/secretbox to do symmetric encryption / verification
source
source/cli
source/env
source/file
Package file is a file source.
 Package file is a file source.
source/flag
source/memory
Package memory is a memory source
 Package memory is a memory source
source/service
Package service provides the service log
 Package service provides the service log
handler
Package handler implements service debug handler embedded in vine services
 Package handler implements service debug handler embedded in vine services
log
Package log provides debug logging
 Package log provides debug logging
log/memory
Package memory provides an in memory log buffer
 Package memory provides an in memory log buffer
log/noop
profile
Package profile is for profilers
 Package profile is for profilers
profile/http
Package http enables the http profiler
 Package http enables the http profiler
profile/pprof
Package pprof provides a pprof profiler
 Package pprof provides a pprof profiler
stats
Package stats provides runtime stats
 Package stats provides runtime stats
trace
Package trace provides an interface for distributed tracing
 Package trace provides an interface for distributed tracing
trace/memory
Package log provides a log interface
 Package log provides a log interface
Package network is for creating internetworks
 Package network is for creating internetworks
resolver
Package resolver resolves network names to addresses
 Package resolver resolves network names to addresses
resolver/dns
Package dns resolves names to dns records
 Package dns resolves names to dns records
resolver/dnssrv
Package dns srv resolves names to dns srv records
 Package dns srv resolves names to dns srv records
resolver/http
Package http resolves names to network addresses using a http request
 Package http resolves names to network addresses using a http request
resolver/registry
Package registry resolves names using the vine registry
 Package registry resolves names using the vine registry
resolver/static
Package static is a static resolver
 Package static is a static resolver
transport
Package transport is an interface for synchronous connection based communication
 Package transport is an interface for synchronous connection based communication
transport/grpc
Package grpc provides a grpc transport
 Package grpc provides a grpc transport
transport/http
transport/memory
Package memory is an in-memory transport
 Package memory is an in-memory transport
transport/quic
Package quic provides a QUIC based transport
 Package quic provides a QUIC based transport
tunnel
Package tunnel provides gre network tunnelling
 Package tunnel provides gre network tunnelling
tunnel/broker
Package broker is a tunnel broker
 Package broker is a tunnel broker
tunnel/transport
Package transport provides a tunnel transport
 Package transport provides a tunnel transport
Package plugin provides the ability to load plugins Package plugin provides the ability to load plugins
 Package plugin provides the ability to load plugins Package plugin provides the ability to load plugins
Package proxy is a transport proxy built on the vine/server Package proxy is a transport proxy built on the vine/server
 Package proxy is a transport proxy built on the vine/server Package proxy is a transport proxy built on the vine/server
grpc
Package grpc transparently forwards the grpc protocol using a vine client.
 Package grpc transparently forwards the grpc protocol using a vine client.
http
Package http provides a vine rpc to http proxy Package http provides a vine rpc to http proxy
 Package http provides a vine rpc to http proxy Package http provides a vine rpc to http proxy
mucp
Package mucp transparently forwards the incoming request using a vine client.
 Package mucp transparently forwards the incoming request using a vine client.
cache
etcd
grpc
Package service uses the registry service
 Package service uses the registry service
mdns
Package mdns provides a multicast dns registry
 Package mdns provides a multicast dns registry
memory
Package memory provides an in-memory registry
 Package memory provides an in-memory registry
grpc
handler
registry
Package runtime is a service runtime manager
 Package runtime is a service runtime manager
grpc
local
Package local provides a local runtime
 Package local provides a local runtime
local/build
Package build builds a vine runtime package
 Package build builds a vine runtime package
local/build/docker
Package docker builds docker images
 Package docker builds docker images
local/build/go
Package golang is a go package manager
 Package golang is a go package manager
local/git
local/process
Package process executes a binary
 Package process executes a binary
local/process/os
Package os runs processes locally Package os runs processes locally
 Package os runs processes locally Package os runs processes locally
local/source
Package source retrieves source code
 Package source retrieves source code
local/source/git
Package git provides a git source
 Package git provides a git source
local/source/go
Package golang is a source for Go
 Package golang is a source for Go
grpc
mucp
Package mucp provides an mucp server
 Package mucp provides an mucp server
Package store is an interface for distributed data storage.
 Package store is an interface for distributed data storage.
bolt
Package local is a bolt system backed store
 Package local is a bolt system backed store
cache
Package cache implements a faulting style read cache on top of multiple vine stores
 Package cache implements a faulting style read cache on top of multiple vine stores
cli
Package cli implements the `vine store` subcommands for example: vine store snapshot vine store restore vine store sync
 Package cli implements the `vine store` subcommands for example: vine store snapshot vine store restore vine store sync
cli/snapshot
grpc
Package service implements the store service interface
 Package service implements the store service interface
memory
Package memory is a in-memory store store
 Package memory is a in-memory store store
postgres
Package postgres implements the postgres store
 Package postgres implements the postgres store
Package sync is an interface for distributed synchronization
 Package sync is an interface for distributed synchronization
memory
Package memory provides a sync.Mutex implementation of the lock for local use
 Package memory provides a sync.Mutex implementation of the lock for local use
Package web provides web based vine services
 Package web provides web based vine services

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