micro

package module
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 Go to latest Published: Jun 5, 2020 License: Apache-2.0 Imports: 22 Imported by: 0

README

mMicro

Documentation

Overview

Package micro is a pluggable framework for microservices

Index

Constants

This section is empty.

Variables

View Source 
var (
	HeaderPrefix = "Micro-"
)

Functions

func NewContext 

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

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

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 a topic

func NewEvent 

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

NewEvent creates a new event publisher

type Option 

type Option func(*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 BeforeStart 

func BeforeStart(fn func() error) Option

BeforeStart run funcs 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 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 HandleSignal 

func HandleSignal(b bool) Option

HandleSignal toggles automatic installation of the signal handler that traps TERM, INT, and QUIT. Users of this feature 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 Selector 

func Selector(s selector.Selector) Option

Selector sets the selector for the service client

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

type Options 

type Options struct {
	Broker    broker.Broker
	Client    client.Client
	Server    server.Server
	Registry  registry.Registry
	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 micro 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 go-micro. 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
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 go-micro rpc handler.
 Package rpc is a go-micro rpc handler.
handler/web
Package web contains the web handler including websocket support
 Package web contains the web handler including websocket support
internal/proto
proto
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/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
service/proto
Package broker is an interface used for asynchronous messaging
 Package broker is an interface used for asynchronous messaging
http
Package http provides a http based message broker
 Package http provides a http based message broker
memory
Package memory provides a memory broker
 Package memory provides a memory broker
nats
Package nats provides a NATS broker
 Package nats provides a NATS broker
service
Package service provides the broker service client
 Package service provides the broker service client
service/proto
Package client is an interface for an RPC client
 Package client is an interface for an RPC client
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/registry
Package registry uses the go-micro registry for selection
 Package registry uses the go-micro registry for selection
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
Package codec is an interface for encoding messages
 Package codec is an interface for encoding messages
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
Package json provides a json codec
 Package json provides a json codec
jsonrpc
Package jsonrpc provides a json-rpc 1.0 codec
 Package jsonrpc provides a json-rpc 1.0 codec
proto
Package proto provides a proto codec
 Package proto provides a proto codec
protorpc
Protorpc provides a net/rpc proto-rpc codec.
 Protorpc provides a net/rpc proto-rpc codec.
text
Package text reads any text/* content-type
 Package text reads any text/* content-type
Package config is an interface for dynamic configuration.
 Package config is an interface for dynamic configuration.
encoder
Package encoder handles source encoding formats
 Package encoder handles source encoding formats
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
Package reader parses change sets and provides config values
 Package reader parses change sets and provides config values
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
Package source is the interface for sources
 Package source is the interface for sources
source/env
source/etcd
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
source/service/proto
Package debug provides micro debug packages
 Package debug provides micro debug packages
log
Package log provides debug logging
 Package log provides debug logging
log/kubernetes
Package kubernetes is a logger implementing (github.com/Allenxuxu/mMicro/debug/log).Log
 Package kubernetes is a logger implementing (github.com/Allenxuxu/mMicro/debug/log).Log
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
service
Package service provides the service log
 Package service provides the service log
service/handler
Package handler implements service debug handler embedded in go-micro services
 Package handler implements service debug handler embedded in go-micro services
service/proto
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 errors provides a way to return detailed information for an RPC request error.
 Package errors provides a way to return detailed information for an RPC request error.
example
srv
srv/client
srv/proto/hello
web
Package log provides a log interface
 Package log provides a log interface
Package metadata is a way of defining message headers
 Package metadata is a way of defining message headers
Package registry is an interface for service discovery
 Package registry is an interface for service discovery
cache
Package cache provides a registry cache
 Package cache provides a registry cache
etcd
Package etcd provides an etcd service registry
 Package etcd provides an etcd service registry
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
service
Package service uses the registry service
 Package service uses the registry service
service/proto
Package router provides a network routing control plane
 Package router provides a network routing control plane
service
service/proto
Package server is an interface for a micro server
 Package server is an interface for a micro server
mock
Package transport is an interface for synchronous connection based communication
 Package transport is an interface for synchronous connection based communication
grpc
Package grpc provides a grpc transport
 Package grpc provides a grpc transport
grpc/proto
http
memory
Package memory is an in-memory transport
 Package memory is an in-memory transport
quic
Package quic provides a QUIC based transport
 Package quic provides a QUIC based transport
util
addr
backoff
Package backoff provides backoff functionality
 Package backoff provides backoff functionality
buf
ctx
file
grpc
http
io
Package io is for io management
 Package io is for io management
jitter
Package jitter provides a random jitter
 Package jitter provides a random jitter
kubernetes/api
kubernetes/client
Package client provides an implementation of a restricted subset of kubernetes API client
 Package client provides an implementation of a restricted subset of kubernetes API client
log
Package log is a global internal logger DEPRECATED: this is frozen package, use github.com/Allenxuxu/mMicro/logger
 Package log is a global internal logger DEPRECATED: this is frozen package, use github.com/Allenxuxu/mMicro/logger
mdns
net
pool
Package pool is a connection pool
 Package pool is a connection pool
proto
Package proto contains utility functions for working with protobufs
 Package proto contains utility functions for working with protobufs
registry
ring
Package ring provides a simple ring buffer for storing local data
 Package ring provides a simple ring buffer for storing local data
socket
Package socket provides a pseudo socket
 Package socket provides a pseudo socket
stream
Package stream encapsulates streams within streams
 Package stream encapsulates streams within streams
test
tls
wrapper
Package web provides web based micro services
 Package web provides web based micro services

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