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mirror of https://github.com/containous/traefik.git synced 2024-12-22 13:34:03 +03:00

add retries request

Signed-off-by: Emile Vauge <emile@vauge.com>
This commit is contained in:
Emile Vauge 2016-03-29 22:25:32 +02:00
parent 1d040dbdd2
commit 4a9e82903e
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7 changed files with 93 additions and 16 deletions

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@ -11,7 +11,7 @@
Træfɪk is a modern HTTP reverse proxy and load balancer made to deploy microservices with ease.
It supports several backends ([Docker :whale:](https://www.docker.com/), [Mesos/Marathon](https://mesosphere.github.io/marathon/), [Consul](https://www.consul.io/), [Etcd](https://coreos.com/etcd/), [Zookeeper](https://zookeeper.apache.org), [BoltDB](https://github.com/boltdb/bolt), Rest API, file...) to manage its configuration automatically and dynamically.
It supports several backends ([Docker :whale:](https://www.docker.com/), [Swarm :whale: :whale:](https://docs.docker.com/swarm), [Mesos/Marathon](https://mesosphere.github.io/marathon/), [Consul](https://www.consul.io/), [Etcd](https://coreos.com/etcd/), [Zookeeper](https://zookeeper.apache.org), [BoltDB](https://github.com/boltdb/bolt), Rest API, file...) to manage its configuration automatically and dynamically.
## Features
@ -32,6 +32,7 @@ It supports several backends ([Docker :whale:](https://www.docker.com/), [Mesos/
- Clean AngularJS Web UI
- Websocket support
- HTTP/2 support
- Retry request if network error
- [Let's Encrypt](https://letsencrypt.org) support (Automatic HTTPS)
## Demo

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@ -27,6 +27,7 @@ type GlobalConfiguration struct {
DefaultEntryPoints DefaultEntryPoints
ProvidersThrottleDuration time.Duration
MaxIdleConnsPerHost int
Retry *Retry
Docker *provider.Docker
File *provider.File
Web *WebProvider
@ -182,6 +183,12 @@ type Certificate struct {
KeyFile string
}
// Retry contains request retry config
type Retry struct {
Attempts int
MaxMem int64
}
// NewGlobalConfiguration returns a GlobalConfiguration with default values.
func NewGlobalConfiguration() *GlobalConfiguration {
return new(GlobalConfiguration)

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@ -327,6 +327,26 @@ Use "traefik [command] --help" for more information about a command.
# [entryPoints.http.redirect]
# regex = "^http://localhost/(.*)"
# replacement = "http://mydomain/$1"
# Enable retry sending request if network error
#
# Optional
#
# [retry]
# Number of attempts
#
# Optional
# Default: (number servers in backend) -1
#
# attempts = 3
# Sets the maximum request body to be stored in memory in Mo
#
# Optional
# Default: 2
#
# maxMem = 3
```
### Samples

33
glide.lock generated
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@ -1,5 +1,5 @@
hash: 7734b691c46b399a06cdcaa5d7feb77ea32e350cd4ff04dcbc73c06ef22468e6
updated: 2016-03-27T19:57:17.213688266+02:00
hash: 21d4e8dc80c87101568a719ecf01d1af9a1b58f03c5c9dc864a8cb1005ddc160
updated: 2016-03-29T21:50:20.577439177+02:00
imports:
- name: github.com/alecthomas/template
version: b867cc6ab45cece8143cfcc6fc9c77cf3f2c23c0
@ -29,6 +29,7 @@ imports:
- memmetrics
- roundrobin
- utils
- stream
- name: github.com/coreos/go-etcd
version: cc90c7b091275e606ad0ca7102a23fb2072f3f5e
subpackages:
@ -114,10 +115,10 @@ imports:
- external/github.com/Sirupsen/logrus
- external/github.com/docker/docker/pkg/idtools
- external/github.com/docker/docker/pkg/ioutils
- external/github.com/docker/docker/pkg/longpath
- external/github.com/docker/docker/pkg/pools
- external/github.com/docker/docker/pkg/promise
- external/github.com/docker/docker/pkg/system
- external/github.com/docker/docker/pkg/longpath
- external/github.com/opencontainers/runc/libcontainer/user
- external/golang.org/x/sys/unix
- external/golang.org/x/net/context
@ -143,7 +144,7 @@ imports:
subpackages:
- api
- name: github.com/hashicorp/hcl
version: 567a5d1c4878a4ac8c198c730fd15f978b0529c7
version: 2604f3bda7e8960c1be1063709e7d7f0765048d0
subpackages:
- hcl/ast
- hcl/parser
@ -156,21 +157,23 @@ imports:
- name: github.com/inconshreveable/mousetrap
version: 76626ae9c91c4f2a10f34cad8ce83ea42c93bb75
- name: github.com/kr/pretty
version: e6ac2fc51e89a3249e82157fa0bb7a18ef9dd5bb
version: add1dbc86daf0f983cd4a48ceb39deb95c729b67
- name: github.com/kr/text
version: bb797dc4fb8320488f47bf11de07a733d7233e1f
- name: github.com/magiconair/properties
version: 497d0afefddf378f9ffb3c89db6a326985908519
version: c265cfa48dda6474e208715ca93e987829f572f8
- name: github.com/mailgun/log
version: 44874009257d4d47ba9806f1b7f72a32a015e4d8
- name: github.com/mailgun/manners
version: fada45142db3f93097ca917da107aa3fad0ffcb5
- name: github.com/mailgun/multibuf
version: 565402cd71fbd9c12aa7e295324ea357e970a61e
- name: github.com/mailgun/predicate
version: cb0bff91a7ab7cf7571e661ff883fc997bc554a3
- name: github.com/mailgun/timetools
version: fd192d755b00c968d312d23f521eb0cdc6f66bd0
- name: github.com/miekg/dns
version: b9171237b0642de1d8e8004f16869970e065f46b
version: 7e024ce8ce18b21b475ac6baf8fa3c42536bf2fa
- name: github.com/mitchellh/mapstructure
version: d2dd0262208475919e1a362f675cfc0e7c10e905
- name: github.com/opencontainers/runc
@ -192,7 +195,7 @@ imports:
- name: github.com/spf13/cast
version: ee7b3e0353166ab1f3a605294ac8cd2b77953778
- name: github.com/spf13/cobra
version: 1bacefc9a216c93293e670067bd159a64b4d72c3
version: c678ff029ee250b65714e518f4f5c5cb934955de
subpackages:
- cobra
- name: github.com/spf13/jwalterweatherman
@ -201,11 +204,6 @@ imports:
version: 7f60f83a2c81bc3c3c0d5297f61ddfa68da9d3b7
- name: github.com/spf13/viper
version: a212099cbe6fbe8d07476bfda8d2d39b6ff8f325
- name: github.com/square/go-jose
version: 70a7e670bd0d4bb35902d31f3a75a6689843abed
subpackages:
- cipher
- json
- name: github.com/stretchr/objx
version: cbeaeb16a013161a98496fad62933b1d21786672
- name: github.com/stretchr/testify
@ -239,11 +237,11 @@ imports:
- name: github.com/wendal/errors
version: f66c77a7882b399795a8987ebf87ef64a427417e
- name: github.com/xenolf/lego
version: 118d9d5ec92bc243ea054742a03afae813ac1314
version: ca19a90028e242e878585941c2a27c8f3b3efc25
subpackages:
- acme
- name: golang.org/x/crypto
version: 6025851c7c2bf210daf74d22300c699b16541847
version: 9e7f5dc375abeb9619ea3c5c58502c428f457aa2
subpackages:
- ocsp
- name: golang.org/x/net
@ -265,6 +263,11 @@ imports:
version: 22287bab4379e1fbf6002fb4eb769888f3fb224c
subpackages:
- bson
- name: gopkg.in/square/go-jose.v1
version: 7d9df93c5ee8a09ed250b3b2360972fa29b4bb3c
subpackages:
- cipher
- json
- name: gopkg.in/yaml.v2
version: 7ad95dd0798a40da1ccdff6dff35fd177b5edf40
devImports: []

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@ -167,3 +167,4 @@ import:
- package: github.com/xenolf/lego
- package: github.com/vdemeester/libkermit
ref: 01a5399bdbd3312916c9fa4848108fbc81fe88d8
- package: github.com/mailgun/multibuf

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@ -14,6 +14,7 @@ import (
"reflect"
"regexp"
"sort"
"strconv"
"sync"
"syscall"
"time"
@ -23,6 +24,7 @@ import (
"github.com/containous/oxy/cbreaker"
"github.com/containous/oxy/forward"
"github.com/containous/oxy/roundrobin"
"github.com/containous/oxy/stream"
"github.com/containous/traefik/middlewares"
"github.com/containous/traefik/provider"
"github.com/containous/traefik/types"
@ -412,6 +414,29 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
}
}
}
// retry ?
if globalConfiguration.Retry != nil {
retries := len(configuration.Backends[frontend.Backend].Servers) - 1
if globalConfiguration.Retry.Attempts > 0 {
retries = globalConfiguration.Retry.Attempts
}
maxMem := int64(2 * 1024 * 1024)
if globalConfiguration.Retry.MaxMem > 0 {
maxMem = globalConfiguration.Retry.MaxMem
}
lb, err = stream.New(lb,
stream.Logger(oxyLogger),
stream.Retry("IsNetworkError() && Attempts() < "+strconv.Itoa(retries)),
stream.MemRequestBodyBytes(maxMem),
stream.MaxRequestBodyBytes(maxMem),
stream.MemResponseBodyBytes(maxMem),
stream.MaxResponseBodyBytes(maxMem))
log.Debugf("Creating retries max attempts %d", retries)
if err != nil {
return nil, err
}
}
var negroni = negroni.New()
if configuration.Backends[frontend.Backend].CircuitBreaker != nil {
log.Debugf("Creating circuit breaker %s", configuration.Backends[frontend.Backend].CircuitBreaker.Expression)

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@ -144,6 +144,26 @@
# regex = "^http://localhost/(.*)"
# replacement = "http://mydomain/$1"
# Enable retry sending request if network error
#
# Optional
#
# [retry]
# Number of attempts
#
# Optional
# Default: (number servers in backend) -1
#
# attempts = 3
# Sets the maximum request body to be stored in memory in Mo
#
# Optional
# Default: 2
#
# maxMem = 3
################################################################
# Web configuration backend
################################################################