From 453f1410b1f109beeac7d9141eb20df4c86292d6 Mon Sep 17 00:00:00 2001 From: Jack Murdock Date: Tue, 7 Jul 2020 14:18:16 -0700 Subject: [PATCH] switch webhook configuration from sns to argus (#202) * switch webhook configuration from sns to argus * bump argus client to v0.2.1 * leverage new argus client * bump argus to v0.3.0 * Apply suggestions from code review Co-authored-by: kristinaspring Co-authored-by: Joel Unzain * add requested changes * removed hooks endpoint * gofmt * adding pr url to changelog Co-authored-by: Joel Unzain * added unit tests * bump argus and webpa-common Co-authored-by: kristinaspring Co-authored-by: Joel Unzain --- CHANGELOG.md | 2 + README.md | 5 - caduceus.yaml | 89 +++++------ caduceus_type.go | 3 + deploy/packaging/caduceus_spruce.yaml | 62 +------- go.mod | 17 +-- go.sum | 203 +++++++++++++++----------- main.go | 90 ++++-------- metrics.go | 19 +++ primaryHandler.go | 8 +- primaryHandler_test.go | 5 +- webhookHandler.go | 94 ++++++++++++ webhookHandler_test.go | 113 ++++++++++++++ 13 files changed, 442 insertions(+), 268 deletions(-) create mode 100644 webhookHandler.go create mode 100644 webhookHandler_test.go diff --git a/CHANGELOG.md b/CHANGELOG.md index ef4ca4fd..1f6e502c 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html). ## [Unreleased] +- switch webhook configuration from sns to argus [#202](https://github.com/xmidt-org/caduceus/pull/202) +- removed `/hooks` endpoint [#202](https://github.com/xmidt-org/caduceus/pull/202) ## [v0.4.0] - Moved and renamed configuration variable for outgoing hostname validation [#223](https://github.com/xmidt-org/caduceus/pull/223) diff --git a/README.md b/README.md index 3d2d9315..3ddeba25 100644 --- a/README.md +++ b/README.md @@ -88,11 +88,6 @@ The following is an example request. Note: this is not a valid json because of t } ``` -#### Get Webhooks - `/hooks` endpoint -To speed up caduceus start up time and test the registration of webhooks, the -`/hooks` endpoint was created. This is a simple `GET` request which will return -all the webhooks and their configuration. - ## Usage Once everything is up and running you can start sending requests. Bellow are a few examples. diff --git a/caduceus.yaml b/caduceus.yaml index 683091ee..175aea23 100644 --- a/caduceus.yaml +++ b/caduceus.yaml @@ -186,11 +186,11 @@ # file is the name of the most recent log file. If set to "stdout" this # will log to os.Stdout. # (Optional) defaults to os.TempDir() - file: "/var/log/caduceus/caduceus.log" + file: "stdout" # level is the logging level to use - INFO, DEBUG, WARN, ERROR # (Optional) defaults to ERROR - level: "ERROR" + level: "DEBUG" # maxsize is the maximum file size in MB # (Optional) defaults to max 100MB @@ -230,59 +230,47 @@ # authHeader provides the list of basic auth headers that caduceus will accept # as authorization # (Optional) - authHeader: ["xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx=","xxxxxxxxxxxxxxxxxxxxxx=="] - -######################################## -# Startup Related Configuration -######################################## - - # start is a way to bypass the need to wait for the duration before accepting - # events. The wait is needed to ensure caduceus knows all the hooks it needs - # to deliver events to. Presently the only 2 ways to do that for an SNS - # backed service is to: - # - # 1. Wait until all the hooks have timed out and re-registered (duration) - # 2. Ask some server that has the entire list to share it (apiPath) - # - # TBD add details - start: - duration: 60000000000 - apiPath: "https://tr1d1um.example.com:443/api/v2/hooks" - sat: - path: "https://jwt.example.com/get" - id: "magic-id" - secret: "xxx" - capabilities: "webpa:api:.*:all" - - # waitForDns TBD - waitForDns: 0 - - # soa is a way for the caduceus machine to check to see if it's DNS name is - # present before it tries to use it's DNS name to register with services like - # AWS Route53. This check goes directly to the SOA record authority and - # bypasses the various caching servers that could cache the non-existence - # record which generally have VERY long TTLs. Ultimately this way caduceus - # can restart much faster. - # (Optional) - soa: - provider: "example.awsdns-19.com:53" + authHeader: ["xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx=","dXNlcjpwYXNz"] ######################################## # Webhook Related Configuration ######################################## + # webhookStore provides configuration for storing and obtaining webhook + # information using argus. + webhookStore: + + # bucket to store and retrieve webhooks. + bucket: "webhooks-caduceus" + + # address it the the location to talk to argus. + address: "http://argus:6600" + + # pullInterval is how often to call argus to update the webhook structure. + pullInterval: "2s" + + # auth the authentication method for argus. + auth: + # basic configures basic authentication for argus. + # Must be of form: 'Basic xyz==' + basic: "Basic dXNlcjpwYXNz" +# +# # jwt configures jwt style authentication for argus. +# JWT: +# # requestHeaders are added to the request for the token. +# # (Optional) +# # requestHeaders: +# # "": "" +# +# # authURL is the URL to access for the token. +# authURL: "" +# +# # timeout is how long the request to get the token will take before +# # timing out. +# timeout: "1m" +# +# # buffer is the length of time before a token expires to get a new token. +# buffer: "2m" - # aws provides the details needed to subscribe to the SNS topic that sends - # webhook registration events out to all listeners - # - # TBD add details - aws: - accessKey: "xxxxxxxxxxxxxxxxxxxx" - secretKey: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" - env: "xmidt-prod" - sns: - region: "us-east-1" - topicArn: "arn:aws:sns:us-east-1:000000000000:xmidt-prod" - urlPath: "/api/v2/aws/sns" ######################################## # Delivery Pipeline Related Configuration @@ -357,3 +345,4 @@ # - 100 # - 1000 # - 10000 + diff --git a/caduceus_type.go b/caduceus_type.go index 37b37b91..be10fe2c 100644 --- a/caduceus_type.go +++ b/caduceus_type.go @@ -17,6 +17,7 @@ package main import ( + "github.com/xmidt-org/argus/chrysom" "time" "github.com/go-kit/kit/log" @@ -34,6 +35,8 @@ type CaduceusConfig struct { JobQueueSize int Sender SenderConfig JWTValidators []JWTValidator + WebhookStore chrysom.ClientConfig + AllowInsecureTLS bool } type SenderConfig struct { diff --git a/deploy/packaging/caduceus_spruce.yaml b/deploy/packaging/caduceus_spruce.yaml index 84e5d2a7..fbfab665 100644 --- a/deploy/packaging/caduceus_spruce.yaml +++ b/deploy/packaging/caduceus_spruce.yaml @@ -235,64 +235,18 @@ jwtValidators: # as authorization # (Optional) authHeader: - - (( grab $AUTH_HEADER || "YXV0aEhlYWRlcg==" )) - -######################################## -# Startup Related Configuration -######################################## - -# start contains configuration for the logic by which Tr1d1um can -# fetch the current WebPA webhooks without having to wait for SNS -# It does so by pinging the rest of the cluter at the specified apiPath -# More details at https://godoc.org/github.com/xmidt-org/webpa-common/webhook#StartConfig -start: - # duration is the max amount of time allowed to wait for webhooks data to be retrieved - duration: "20s" - - # path used to query the existing webhooks - apiPath: http://localhost:6100/hooks - -# waitForDns TBD -waitForDns: 0 - -# soa is a way for the caduceus machine to check to see if it's DNS name is -# present before it tries to use it's DNS name to register with services like -# AWS Route53. This check goes directly to the SOA record authority and -# bypasses the various caching servers that could cache the non-existence -# record which generally have VERY long TTLs. Ultimately this way caduceus -# can restart much faster. -# (Optional) -soa: - provider: "example.awsdns-19.com:53" + - (( grab $AUTH_HEADER || "dXNlcjpwYXNz" )) ######################################## # Webhook Related Configuration ######################################## - -# aws provides the AWS SNS configurations the webhooks library needs -aws: - #AWS access key - accessKey: (( grab $AWS_ACCESS_KEY || "" )) - - #AWS secret key - secretKey: (( grab $AWS_SECRET_KEY || "" )) - - env: (( grab $AWS_WEBHOOK_ENV || "local-dev" )) - - sns: - # awsEndpoint is the AWS endpoint - # this must be left out in produ - awsEndpoint: (( grab $AWS_ENDPOINT || "http://goaws:4100" )) - - #region is the AWS SNS region - region: (( grab $AWS_REGION || "us-east-1" )) - - # topicArn describes the SNS topic this server needs to subscribe to - topicArn: (( grab $AWS_SNS_ARN || "arn:aws:sns:us-east-1:000000000000:xmidt-local-caduceus")) - - #urlPath is the URL path SNS will use to confirm a subscription with this server - urlPath: "/api/v2/aws/sns" - +# Argus Config for storing the webhook information +webhookStore: + bucket: "webhooks-caduceus" + address: (( grab $ARGUS_HOST || "argus:6600" )) + pullInterval: "2s" + auth: + basic: (( grab $AUTH_HEADER || "Basic dXNlcjpwYXNz" )) ######################################## # Delivery Pipeline Related Configuration ######################################## diff --git a/go.mod b/go.mod index d16605b1..5dc49b1e 100644 --- a/go.mod +++ b/go.mod @@ -1,26 +1,23 @@ module github.com/xmidt-org/caduceus -go 1.12 +go 1.14 require ( github.com/SermoDigital/jose v0.9.2-0.20161205224733-f6df55f235c2 - github.com/aws/aws-sdk-go v1.23.11 // indirect github.com/c9s/goprocinfo v0.0.0-20190309065803-0b2ad9ac246b // indirect github.com/davecgh/go-spew v1.1.1 - github.com/go-kit/kit v0.8.0 + github.com/go-kit/kit v0.9.0 github.com/gorilla/mux v1.7.3 - github.com/influxdata/influxdb v1.7.7 // indirect github.com/justinas/alice v1.2.0 - github.com/prometheus/client_golang v1.0.0 // indirect github.com/samuel/go-zookeeper v0.0.0-20190810000440-0ceca61e4d75 // indirect github.com/satori/go.uuid v1.2.0 github.com/spaolacci/murmur3 v1.1.0 // indirect - github.com/spf13/pflag v1.0.3 - github.com/spf13/viper v1.6.1 - github.com/stretchr/testify v1.3.0 - github.com/xmidt-org/webpa-common v1.8.1 + github.com/spf13/pflag v1.0.5 + github.com/spf13/viper v1.6.2 + github.com/stretchr/testify v1.5.1 + github.com/xmidt-org/argus v0.3.3 + github.com/xmidt-org/webpa-common v1.10.2 github.com/xmidt-org/wrp-go/v2 v2.0.0 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect - golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6 // indirect golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2 // indirect ) diff --git a/go.sum b/go.sum index 1dcd0d53..d609147c 100644 --- a/go.sum +++ b/go.sum @@ -1,37 +1,39 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -github.com/BurntSushi/toml 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h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= +gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw= gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno= gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= -gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8= gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c= +gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= diff --git a/main.go b/main.go index d2763f87..d8b7b14c 100644 --- a/main.go +++ b/main.go @@ -19,16 +19,18 @@ package main import ( "crypto/tls" "fmt" + "github.com/go-kit/kit/log" + "github.com/xmidt-org/argus/chrysom" + "github.com/xmidt-org/argus/model" + "github.com/xmidt-org/webpa-common/webhook" "io" "net/http" _ "net/http/pprof" - "net/url" "os" "os/signal" "runtime" "time" - "github.com/go-kit/kit/log" "github.com/go-kit/kit/log/level" "github.com/xmidt-org/webpa-common/service/servicecfg" @@ -37,7 +39,6 @@ import ( "github.com/xmidt-org/webpa-common/concurrent" "github.com/xmidt-org/webpa-common/logging" "github.com/xmidt-org/webpa-common/server" - "github.com/xmidt-org/webpa-common/webhook" "github.com/xmidt-org/webpa-common/webhook/aws" ) @@ -62,7 +63,7 @@ func caduceus(arguments []string) int { f = pflag.NewFlagSet(applicationName, pflag.ContinueOnError) v = viper.New() - logger, metricsRegistry, webPA, err = server.Initialize(applicationName, arguments, f, v, Metrics, webhook.Metrics, aws.Metrics) + logger, metricsRegistry, webPA, err = server.Initialize(applicationName, arguments, f, v, Metrics, aws.Metrics) ) if parseErr, done := printVersion(f, arguments); done { @@ -82,13 +83,7 @@ func caduceus(arguments []string) int { return 1 } - var ( - infoLog = log.WithPrefix(logger, level.Key(), level.InfoValue()) - errorLog = log.WithPrefix(logger, level.Key(), level.ErrorValue()) - debugLog = log.WithPrefix(logger, level.Key(), level.DebugValue()) - ) - - infoLog.Log("configurationFile", v.ConfigFileUsed()) + log.WithPrefix(logger, level.Key(), level.InfoValue()).Log("configurationFile", v.ConfigFileUsed()) caduceusConfig := new(CaduceusConfig) err = v.Unmarshal(caduceusConfig) @@ -138,33 +133,41 @@ func caduceus(arguments []string) int { modifiedWRPCount: metricsRegistry.NewCounter(ModifiedWRPCounter), maxOutstanding: 0, } + measures := NewMeasures(metricsRegistry) - webhookFactory, err := webhook.NewFactory(v) - if err != nil { - fmt.Fprintf(os.Stderr, "Error creating new webhook factory: %s\n", err) - return 1 + var updateListSizeMetric chrysom.ListenerFunc + updateListSizeMetric = func(items []model.Item) { + measures.WebhookListSize.Set(float64(len(items))) } - webhookRegistry, webhookHandler := webhookFactory.NewRegistryAndHandler(metricsRegistry) - webhookFactory.SetExternalUpdate(caduceusSenderWrapper.Update) + webhookRegistry, err := NewRegistry(RegistryConfig{ + Logger: logger, + Listener: func(items []model.Item) { + hooks := []webhook.W{} + for _, item := range items { + hook, err := convertItemToWebhook(item) + if err != nil { + log.WithPrefix(logger, level.Key(), level.ErrorValue()).Log(logging.MessageKey(), "failed to convert Item to Webhook", "item", item) + continue + } + hooks = append(hooks, hook) + } + caduceusSenderWrapper.Update(hooks) + + }, + Config: caduceusConfig.WebhookStore, + }, updateListSizeMetric) - primaryHandler, err := NewPrimaryHandler(logger, v, serverWrapper, &webhookRegistry) if err != nil { fmt.Fprintf(os.Stderr, "Validator error: %v\n", err) return 1 } - scheme := v.GetString("scheme") - if len(scheme) < 1 { - scheme = "https" - } - - selfURL := &url.URL{ - Scheme: scheme, - Host: v.GetString("fqdn") + v.GetString("primary.address"), + primaryHandler, err := NewPrimaryHandler(logger, v, serverWrapper, webhookRegistry) + if err != nil { + fmt.Fprintf(os.Stderr, "Validator error: %v\n", err) + return 1 } - webhookFactory.Initialize(primaryHandler, selfURL, v.GetString("soa.provider"), webhookHandler, logger, metricsRegistry, nil) - _, runnable, done := webPA.Prepare(logger, nil, metricsRegistry, primaryHandler) waitGroup, shutdown, err := concurrent.Execute(runnable) @@ -173,19 +176,6 @@ func caduceus(arguments []string) int { return 1 } - var messageKey = logging.MessageKey() - - if webhookFactory != nil { - // wait for DNS to propagate before subscribing to SNS - if err = webhookFactory.DnsReady(); err == nil { - debugLog.Log(messageKey, "Calling webhookFactory.PrepareAndStart. Server is ready to take on subscription confirmations") - webhookFactory.PrepareAndStart() - } else { - errorLog.Log(messageKey, "Server was not ready within a time constraint. SNS confirmation could not happen", - logging.ErrorKey(), err) - } - } - // // Now, initialize the service discovery infrastructure // @@ -203,23 +193,7 @@ func caduceus(arguments []string) int { e.Register() } - // Attempt to obtain the current listener list from current system without having to wait for listener reregistration. - debugLog.Log(messageKey, "Attempting to obtain current listener list from source", "source", - v.GetString("start.apiPath")) - beginObtainList := time.Now() - startChan := make(chan webhook.Result, 1) - webhookFactory.Start.GetCurrentSystemsHooks(startChan) - var webhookStartResults webhook.Result = <-startChan - if webhookStartResults.Error != nil { - errorLog.Log(logging.ErrorKey(), webhookStartResults.Error) - } else { - // todo: add message - webhookFactory.SetList(webhook.NewList(webhookStartResults.Hooks)) - caduceusSenderWrapper.Update(webhookStartResults.Hooks) - } - - debugLog.Log(messageKey, "Current listener retrieval.", "elapsedTime", time.Since(beginObtainList)) - infoLog.Log(messageKey, "Caduceus is up and running!", "elapsedTime", time.Since(beginCaduceus)) + log.WithPrefix(logger, level.Key(), level.InfoValue()).Log(logging.MessageKey(), "Caduceus is up and running!", "elapsedTime", time.Since(beginCaduceus)) signals := make(chan os.Signal, 10) signal.Notify(signals, os.Kill, os.Interrupt) diff --git a/metrics.go b/metrics.go index b97413ac..712b166a 100644 --- a/metrics.go +++ b/metrics.go @@ -1,6 +1,8 @@ package main import ( + "github.com/go-kit/kit/metrics" + "github.com/go-kit/kit/metrics/provider" "github.com/xmidt-org/webpa-common/xmetrics" ) @@ -23,6 +25,7 @@ const ( ConsumerDropUntilGauge = "consumer_drop_until" ConsumerDeliveryWorkersGauge = "consumer_delivery_workers" ConsumerMaxDeliveryWorkersGauge = "consumer_delivery_workers_max" + ListSize = "webhook_list_size_value" ) const ( @@ -137,6 +140,11 @@ func Metrics() []xmetrics.Metric { Type: "gauge", LabelNames: []string{"url"}, }, + { + Name: ListSize, + Help: "Amount of current listeners", + Type: "gauge", + }, } } @@ -160,3 +168,14 @@ func CreateOutbounderMetrics(m CaduceusMetricsRegistry, c *CaduceusOutboundSende c.currentWorkersGauge = m.NewGauge(ConsumerDeliveryWorkersGauge).With("url", c.id) c.maxWorkersGauge = m.NewGauge(ConsumerMaxDeliveryWorkersGauge).With("url", c.id) } + +type GenericMetrics struct { + WebhookListSize metrics.Gauge +} + +// NewMeasures constructs a Measures given a go-kit metrics Provider +func NewMeasures(p provider.Provider) *GenericMetrics { + return &GenericMetrics{ + WebhookListSize: p.NewGauge(ListSize), + } +} diff --git a/primaryHandler.go b/primaryHandler.go index 5e30850b..8ea44fbd 100644 --- a/primaryHandler.go +++ b/primaryHandler.go @@ -12,7 +12,6 @@ import ( "github.com/xmidt-org/webpa-common/secure" "github.com/xmidt-org/webpa-common/secure/handler" "github.com/xmidt-org/webpa-common/secure/key" - "github.com/xmidt-org/webpa-common/webhook" ) const ( @@ -29,7 +28,7 @@ type JWTValidator struct { Custom secure.JWTValidatorFactory } -func NewPrimaryHandler(l log.Logger, v *viper.Viper, sw *ServerHandler, reg *webhook.Registry) (*mux.Router, error) { +func NewPrimaryHandler(l log.Logger, v *viper.Viper, sw *ServerHandler, reg *Registry) (*mux.Router, error) { var ( router = mux.NewRouter() ) @@ -51,16 +50,15 @@ func NewPrimaryHandler(l log.Logger, v *viper.Viper, sw *ServerHandler, reg *web return configServerRouter(router, authorizationDecorator, sw, reg), nil } -func configServerRouter(router *mux.Router, primaryHandler alice.Chain, serverWrapper *ServerHandler, webhookRegistry *webhook.Registry) *mux.Router { +func configServerRouter(router *mux.Router, primaryHandler alice.Chain, serverWrapper *ServerHandler, webhookRegistry *Registry) *mux.Router { var singleContentType = func(r *http.Request, _ *mux.RouteMatch) bool { - return len(r.Header["Content-Type"]) == 1 //require single specification for Content-Type Header + return len(r.Header["Content-Type"]) == 1 // require single specification for Content-Type Header } router.Handle("/"+fmt.Sprintf("%s/%s", baseURI, version)+"/notify", primaryHandler.Then(serverWrapper)).Methods("POST").HeadersRegexp("Content-Type", "application/msgpack").MatcherFunc(singleContentType) // register webhook end points router.Handle("/hook", primaryHandler.ThenFunc(webhookRegistry.UpdateRegistry)).Methods("POST") - router.Handle("/hooks", primaryHandler.ThenFunc(webhookRegistry.GetRegistry)).Methods("GET") return router } diff --git a/primaryHandler_test.go b/primaryHandler_test.go index f0b11872..a348c190 100644 --- a/primaryHandler_test.go +++ b/primaryHandler_test.go @@ -13,7 +13,6 @@ import ( "github.com/xmidt-org/webpa-common/logging" "github.com/xmidt-org/webpa-common/secure" "github.com/xmidt-org/webpa-common/secure/handler" - "github.com/xmidt-org/webpa-common/webhook" ) func TestNewPrimaryHandler(t *testing.T) { @@ -21,7 +20,7 @@ func TestNewPrimaryHandler(t *testing.T) { l = logging.New(nil) viper = viper.New() sw = &ServerHandler{} - reg = &webhook.Registry{} + reg = &Registry{} expectedAuthHeader = []string{"Basic xxxxxxx"} ) @@ -92,7 +91,7 @@ func TestMuxServerConfig(t *testing.T) { authHandler := handler.AuthorizationHandler{Validator: nil} caduceusHandler := alice.New(authHandler.Decorate) - router := configServerRouter(mux.NewRouter(), caduceusHandler, serverWrapper, &webhook.Registry{}) + router := configServerRouter(mux.NewRouter(), caduceusHandler, serverWrapper, &Registry{}) t.Run("TestMuxResponseCorrectMSP", func(t *testing.T) { req := exampleRequest("1234", "application/msgpack", "/api/v3/notify") diff --git a/webhookHandler.go b/webhookHandler.go new file mode 100644 index 00000000..558e8d09 --- /dev/null +++ b/webhookHandler.go @@ -0,0 +1,94 @@ +package main + +import ( + "encoding/json" + "fmt" + "github.com/go-kit/kit/log" + "github.com/xmidt-org/argus/chrysom" + "github.com/xmidt-org/argus/model" + "github.com/xmidt-org/webpa-common/webhook" + "io/ioutil" + "net/http" +) + +type Registry struct { + hookStore chrysom.Pusher + config RegistryConfig +} + +type RegistryConfig struct { + Logger log.Logger + Listener chrysom.ListenerFunc + Config chrysom.ClientConfig +} + +func NewRegistry(config RegistryConfig, listener chrysom.Listener) (*Registry, error) { + argus, err := chrysom.CreateClient(config.Config, chrysom.WithLogger(config.Logger)) + if err != nil { + return nil, err + } + if listener != nil { + argus.SetListener(listener) + } + + return &Registry{ + config: config, + hookStore: argus, + }, nil +} + +// jsonResponse is an internal convenience function to write a json response +func jsonResponse(rw http.ResponseWriter, code int, msg string) { + rw.Header().Set("Content-Type", "application/json") + rw.WriteHeader(code) + rw.Write([]byte(fmt.Sprintf(`{"message":"%s"}`, msg))) +} + +// update is an api call to processes a listener registration for adding and updating +func (r *Registry) UpdateRegistry(rw http.ResponseWriter, req *http.Request) { + payload, err := ioutil.ReadAll(req.Body) + + w, err := webhook.NewW(payload, req.RemoteAddr) + if err != nil { + jsonResponse(rw, http.StatusBadRequest, err.Error()) + return + } + webhook := map[string]interface{}{} + data, err := json.Marshal(&w) + if err != nil { + // this should never happen + jsonResponse(rw, http.StatusInternalServerError, err.Error()) + return + } + err = json.Unmarshal(data, &webhook) + if err != nil { + // this should never happen + jsonResponse(rw, http.StatusInternalServerError, err.Error()) + return + } + + _, err = r.hookStore.Push(model.Item{ + Identifier: w.ID(), + Data: webhook, + TTL: r.config.Config.DefaultTTL, + }, "") + if err != nil { + jsonResponse(rw, http.StatusInternalServerError, err.Error()) + return + } + + jsonResponse(rw, http.StatusOK, "Success") +} + +func convertItemToWebhook(item model.Item) (webhook.W, error) { + hook := webhook.W{} + tempBytes, err := json.Marshal(&item.Data) + if err != nil { + return hook, err + } + err = json.Unmarshal(tempBytes, &hook) + if err != nil { + return hook, err + } + return hook, nil +} diff --git a/webhookHandler_test.go b/webhookHandler_test.go new file mode 100644 index 00000000..b0592c69 --- /dev/null +++ b/webhookHandler_test.go @@ -0,0 +1,113 @@ +package main + +import ( + "bytes" + "context" + "encoding/json" + "fmt" + "github.com/stretchr/testify/assert" + "github.com/xmidt-org/argus/chrysom" + "github.com/xmidt-org/argus/model" + "github.com/xmidt-org/webpa-common/logging" + "github.com/xmidt-org/webpa-common/webhook" + "io/ioutil" + "net/http/httptest" + "testing" + "time" +) + +type inMemPusher map[string]model.Item + +func (i inMemPusher) Push(item model.Item, owner string) (string, error) { + i[item.Identifier] = item + return item.Identifier, nil +} + +func (i inMemPusher) Remove(id string, owner string) (model.Item, error) { + if item, ok := i[id]; ok { + delete(i, id) + return item, nil + } + return model.Item{}, fmt.Errorf("no item with id: %s", id) +} + +func (i inMemPusher) Stop(context context.Context) { + // do nothing +} + +func TestWebhookHandler(t *testing.T) { + + registry := Registry{ + hookStore: inMemPusher{}, + config: RegistryConfig{ + Logger: logging.NewTestLogger(nil, t), + Listener: nil, + Config: chrysom.ClientConfig{ + DefaultTTL: 5, + }, + }, + } + + type testStruct struct { + title string + hook webhook.W + expectedStatusCode int + } + + testData := []testStruct{ + { + title: "empty webhook", + hook: webhook.W{}, + expectedStatusCode: 400, + }, + { + title: "good webhook", + hook: webhook.W{ + Config: struct { + URL string `json:"url"` + ContentType string `json:"content_type"` + Secret string `json:"secret,omitempty"` + AlternativeURLs []string `json:"alt_urls,omitempty"` + }{ + URL: "http://localhost:8080/evetns", + ContentType: "application/json", + Secret: "noice", + AlternativeURLs: nil, + }, + FailureURL: "", + Events: []string{".*"}, + Matcher: struct { + DeviceId []string `json:"device_id"` + }{}, + Duration: 0, + Until: time.Time{}, + Address: "", + }, + expectedStatusCode: 200, + }, + } + + for _, tc := range testData { + t.Run(tc.title, func(t *testing.T) { + assert := assert.New(t) + status, body := testRegistryWithRequest(registry, tc.hook) + assert.Equal(tc.expectedStatusCode, status) + assert.NotEmpty(body) + registry.config.Logger.Log("body", string(body)) + }) + } + +} + +func testRegistryWithRequest(registry Registry, w webhook.W) (int, []byte) { + response := httptest.NewRecorder() + payload, _ := json.Marshal(w) + request := httptest.NewRequest("POST", "/hook", bytes.NewBuffer(payload)) + + registry.UpdateRegistry(response, request) + result := response.Result() + + data, _ := ioutil.ReadAll(result.Body) + return result.StatusCode, data + +}