Remove deprecated Fission Nats connector (#2403)
We are removing Fission deprecated Nats connector and planning to adopt Keda going forward to have better delegated functionality and more rich support. Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
This commit is contained in:
Sanket Sudake
@@ -1,6 +0,0 @@
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module.exports = async function(context) {
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return {
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status: 200,
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body: "Hello, World!"
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};
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}
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@@ -1,6 +0,0 @@
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module.exports = async function(context) {
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return {
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status: 400,
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body: "Hello, World!"
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};
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}
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@@ -1,143 +0,0 @@
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// This file originally came from official Nats.io GitHub repository.
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// You can reach the original file with the following link:
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// https://github.com/nats-io/stan.go/blob/master/examples/stan-pub/main.go
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// Copyright 2016-2019 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"sync"
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"time"
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nats "github.com/nats-io/nats.go"
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"github.com/nats-io/stan.go"
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)
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var usageStr = `
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Usage: stan-pub [options] <subject> <message>
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Options:
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-s, --server <url> NATS Streaming server URL(s)
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-c, --cluster <cluster name> NATS Streaming cluster name
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-id, --clientid <client ID> NATS Streaming client ID
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-a, --async Asynchronous publish mode
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-cr, --creds <credentials> NATS 2.0 Credentials
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`
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// NOTE: Use tls scheme for TLS, e.g. stan-pub -s tls://demo.nats.io:4443 foo hello
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func usage() {
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fmt.Printf("%s\n", usageStr)
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os.Exit(0)
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}
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func main() {
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var (
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clusterID string
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clientID string
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URL string
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async bool
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userCreds string
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)
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flag.StringVar(&URL, "s", stan.DefaultNatsURL, "The nats server URLs (separated by comma)")
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flag.StringVar(&URL, "server", stan.DefaultNatsURL, "The nats server URLs (separated by comma)")
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flag.StringVar(&clusterID, "c", "test-cluster", "The NATS Streaming cluster ID")
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flag.StringVar(&clusterID, "cluster", "test-cluster", "The NATS Streaming cluster ID")
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flag.StringVar(&clientID, "id", "stan-pub", "The NATS Streaming client ID to connect with")
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flag.StringVar(&clientID, "clientid", "stan-pub", "The NATS Streaming client ID to connect with")
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flag.BoolVar(&async, "a", false, "Publish asynchronously")
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flag.BoolVar(&async, "async", false, "Publish asynchronously")
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flag.StringVar(&userCreds, "cr", "", "Credentials File")
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flag.StringVar(&userCreds, "creds", "", "Credentials File")
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log.SetFlags(0)
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flag.Usage = usage
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flag.Parse()
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args := flag.Args()
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if len(args) < 1 {
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usage()
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}
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// Connect Options.
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opts := []nats.Option{nats.Name("NATS Streaming Example Publisher")}
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// Use UserCredentials
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if userCreds != "" {
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opts = append(opts, nats.UserCredentials(userCreds))
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}
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// Connect to NATS
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nc, err := nats.Connect(URL, opts...)
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if err != nil {
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log.Fatal(err)
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}
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defer nc.Close()
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sc, err := stan.Connect(clusterID, clientID, stan.NatsConn(nc))
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if err != nil {
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log.Fatalf("Can't connect: %v.\nMake sure a NATS Streaming Server is running at: %s", err, URL)
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}
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defer sc.Close()
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subj, msg := args[0], []byte(args[1])
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ch := make(chan bool)
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var glock sync.Mutex
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var guid string
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acb := func(lguid string, err error) {
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glock.Lock()
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log.Printf("Received ACK for guid %s\n", lguid)
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defer glock.Unlock()
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if err != nil {
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log.Fatalf("Error in server ack for guid %s: %v\n", lguid, err)
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}
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if lguid != guid {
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log.Fatalf("Expected a matching guid in ack callback, got %s vs %s\n", lguid, guid)
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}
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ch <- true
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}
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if !async {
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err = sc.Publish(subj, msg)
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if err != nil {
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log.Fatalf("Error during publish: %v\n", err)
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}
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log.Printf("Published [%s] : '%s'\n", subj, msg)
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} else {
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glock.Lock()
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guid, err = sc.PublishAsync(subj, msg, acb)
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if err != nil {
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log.Fatalf("Error during async publish: %v\n", err)
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}
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glock.Unlock()
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if guid == "" {
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log.Fatal("Expected non-empty guid to be returned.")
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}
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log.Printf("Published [%s] : '%s' [guid: %s]\n", subj, msg, guid)
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select {
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case <-ch:
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break
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case <-time.After(5 * time.Second):
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log.Fatal("timeout")
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}
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}
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}
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@@ -1,188 +0,0 @@
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// This file originally came from official Nats.io GitHub repository.
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// You can reach the original file with the following link:
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// https://github.com/nats-io/stan.go/blob/master/examples/stan-sub/main.go
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// Copyright 2016-2019 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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nats "github.com/nats-io/nats.go"
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"github.com/nats-io/stan.go"
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"github.com/nats-io/stan.go/pb"
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)
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var usageStr = `
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Usage: stan-sub [options] <subject>
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Options:
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-s, --server <url> NATS Streaming server URL(s)
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-c, --cluster <cluster name> NATS Streaming cluster name
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-id, --clientid <client ID> NATS Streaming client ID
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-cr, --creds <credentials> NATS 2.0 Credentials
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Subscription Options:
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--qgroup <name> Queue group
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--all Deliver all available messages
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--last Deliver starting with last published message
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--since <time_ago> Deliver messages in last interval (e.g. 1s, 1hr)
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--seq <seqno> Start at seqno
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--new_only Only deliver new messages
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--durable <name> Durable subscriber name
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--unsub Unsubscribe the durable on exit
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`
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// NOTE: Use tls scheme for TLS, e.g. stan-sub -s tls://demo.nats.io:4443 foo
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func usage() {
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log.Fatalf(usageStr)
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}
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func printMsg(m *stan.Msg, i int) {
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log.Printf("[#%d] Received: %s\n", i, m)
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}
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func main() {
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var (
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clusterID, clientID string
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URL string
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userCreds string
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showTime bool
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qgroup string
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unsubscribe bool
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startSeq uint64
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startDelta string
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deliverAll bool
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newOnly bool
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deliverLast bool
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durable string
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)
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flag.StringVar(&URL, "s", stan.DefaultNatsURL, "The nats server URLs (separated by comma)")
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flag.StringVar(&URL, "server", stan.DefaultNatsURL, "The nats server URLs (separated by comma)")
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flag.StringVar(&clusterID, "c", "test-cluster", "The NATS Streaming cluster ID")
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flag.StringVar(&clusterID, "cluster", "test-cluster", "The NATS Streaming cluster ID")
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flag.StringVar(&clientID, "id", "stan-sub", "The NATS Streaming client ID to connect with")
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flag.StringVar(&clientID, "clientid", "stan-sub", "The NATS Streaming client ID to connect with")
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flag.BoolVar(&showTime, "t", false, "Display timestamps")
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// Subscription options
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flag.Uint64Var(&startSeq, "seq", 0, "Start at sequence no.")
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flag.BoolVar(&deliverAll, "all", true, "Deliver all")
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flag.BoolVar(&newOnly, "new_only", false, "Only new messages")
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flag.BoolVar(&deliverLast, "last", false, "Start with last value")
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flag.StringVar(&startDelta, "since", "", "Deliver messages since specified time offset")
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flag.StringVar(&durable, "durable", "", "Durable subscriber name")
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flag.StringVar(&qgroup, "qgroup", "", "Queue group name")
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flag.BoolVar(&unsubscribe, "unsub", false, "Unsubscribe the durable on exit")
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flag.BoolVar(&unsubscribe, "unsubscribe", false, "Unsubscribe the durable on exit")
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flag.StringVar(&userCreds, "cr", "", "Credentials File")
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flag.StringVar(&userCreds, "creds", "", "Credentials File")
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log.SetFlags(0)
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flag.Usage = usage
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flag.Parse()
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args := flag.Args()
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if len(args) < 1 {
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log.Printf("Error: A subject must be specified.")
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usage()
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}
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// Connect Options.
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opts := []nats.Option{nats.Name("NATS Streaming Example Subscriber")}
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// Use UserCredentials
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if userCreds != "" {
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opts = append(opts, nats.UserCredentials(userCreds))
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}
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// Connect to NATS
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nc, err := nats.Connect(URL, opts...)
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if err != nil {
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log.Fatal(err)
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}
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defer nc.Close()
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sc, err := stan.Connect(clusterID, clientID, stan.NatsConn(nc),
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stan.SetConnectionLostHandler(func(_ stan.Conn, reason error) {
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log.Fatalf("Connection lost, reason: %v", reason)
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}))
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if err != nil {
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log.Fatalf("Can't connect: %v.\nMake sure a NATS Streaming Server is running at: %s", err, URL)
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}
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log.Printf("Connected to %s clusterID: [%s] clientID: [%s]\n", URL, clusterID, clientID)
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// Process Subscriber Options.
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startOpt := stan.StartAt(pb.StartPosition_NewOnly)
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if startSeq != 0 {
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startOpt = stan.StartAtSequence(startSeq)
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} else if deliverLast {
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startOpt = stan.StartWithLastReceived()
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} else if deliverAll && !newOnly {
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startOpt = stan.DeliverAllAvailable()
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} else if startDelta != "" {
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ago, err := time.ParseDuration(startDelta)
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if err != nil {
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sc.Close()
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log.Fatal(err)
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}
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startOpt = stan.StartAtTimeDelta(ago)
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}
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subj, i := args[0], 0
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mcb := func(msg *stan.Msg) {
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i++
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printMsg(msg, i)
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}
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sub, err := sc.QueueSubscribe(subj, qgroup, mcb, startOpt, stan.DurableName(durable))
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if err != nil {
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sc.Close()
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log.Fatal(err)
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}
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log.Printf("Listening on [%s], clientID=[%s], qgroup=[%s] durable=[%s]\n", subj, clientID, qgroup, durable)
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if showTime {
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log.SetFlags(log.LstdFlags)
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}
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// Wait for a SIGINT (perhaps triggered by user with CTRL-C)
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// Run cleanup when signal is received
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signalChan := make(chan os.Signal, 1)
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cleanupDone := make(chan bool)
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signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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for sig := range signalChan {
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fmt.Printf("\nReceived signal %s, unsubscribing and closing connection...\n\n", sig.String())
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// Do not unsubscribe a durable on exit, except if asked to.
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if durable == "" || unsubscribe {
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err := sub.Unsubscribe()
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if err != nil {
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log.Fatal(err)
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}
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}
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sc.Close()
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cleanupDone <- true
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}
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}()
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<-cleanupDone
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}
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@@ -1,72 +0,0 @@
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#!/bin/bash
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#test:disabled
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#
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# Create a function and trigger it using NATS
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#
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set -euo pipefail
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source $(dirname $0)/../../../utils.sh
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set +x
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TEST_ID=$(generate_test_id)
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echo "TEST_ID = $TEST_ID"
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ROOT=$(dirname $0)/../../..
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DIR=$(dirname $0)
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clusterID="fissionMQTrigger"
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pubClientID="clientPub-$TEST_ID"
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subClientID="clientSub-$TEST_ID"
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topic="foo.bar$TEST_ID"
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resptopic="foo.foo$TEST_ID"
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#FISSION_NATS_STREAMING_URL="http://defaultFissionAuthToken@$(minikube ip):4222"
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expectedRespOutput="subject:\"$resptopic\" data:\"Hello, World!\""
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env=nodejs-$TEST_ID
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fn=hello-$TEST_ID
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mqt=mqt-$TEST_ID
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cleanup() {
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log "Cleaning up..."
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clean_resource_by_id $TEST_ID
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}
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if [ -z "${TEST_NOCLEANUP:-}" ]; then
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trap cleanup EXIT
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else
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log "TEST_NOCLEANUP is set; not cleaning up test artifacts afterwards."
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fi
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log "Creating nodejs env"
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fission env create --name $env --image $NODE_RUNTIME_IMAGE
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log "Creating function"
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fission fn create --name $fn --env $env --code $DIR/main.js --method GET
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log "Creating message queue trigger"
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fission mqtrigger create --name $mqt --function $fn --mqtype "nats-streaming" --topic $topic --resptopic $resptopic
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# wait until nats trigger is created
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sleep 5
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#
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# Send a message
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#
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log "Sending message"
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go run $DIR/stan-pub/main.go -s $FISSION_NATS_STREAMING_URL -c $clusterID -id $pubClientID $topic ""
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#
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# Wait for message on response topic
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#
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log "Waiting for response"
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response=$(timeout 10s go run $DIR/stan-sub/main.go --last -s $FISSION_NATS_STREAMING_URL -c $clusterID -id $subClientID $resptopic 2>&1 || true)
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log "Output from subscriber"
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echo "$response"
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echo "$response" | grep "$expectedRespOutput"
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log "Deleting message queue trigger"
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fission mqtrigger delete --name $mqt
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log "Subscriber received expected response: $response"
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log "Test PASSED"
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@@ -1,75 +0,0 @@
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#!/bin/bash
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#test:disabled
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#
|
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# Create a function and trigger it using NATS
|
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# To run this on Minikube, uncomment line 24
|
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|
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set -euo pipefail
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set +x
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source $(dirname $0)/../../../utils.sh
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|
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TEST_ID=$(generate_test_id)
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echo "TEST_ID = $TEST_ID"
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|
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ROOT=$(dirname $0)/../../..
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DIR=$(dirname $0)
|
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clusterID="fissionMQTrigger"
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pubClientID="clientPub-$TEST_ID"
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subClientID="clientSub-$TEST_ID"
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topic="foo.bar$TEST_ID"
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resptopic="foo.foo$TEST_ID"
|
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errortopic="foo.error$TEST_ID"
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maxretries=1
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#FISSION_NATS_STREAMING_URL="http://defaultFissionAuthToken@$(minikube ip):4222"
|
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expectedRespOutput="subject:\"$errortopic\" data:\"Hello, World!\""
|
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|
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env=nodejs-$TEST_ID
|
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fn=hello-$TEST_ID
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mqt=mqt-$TEST_ID
|
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|
||||
cleanup() {
|
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log "Cleaning up..."
|
||||
clean_resource_by_id $TEST_ID
|
||||
}
|
||||
|
||||
if [ -z "${TEST_NOCLEANUP:-}" ]; then
|
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trap cleanup EXIT
|
||||
else
|
||||
log "TEST_NOCLEANUP is set; not cleaning up test artifacts afterwards."
|
||||
fi
|
||||
|
||||
log "Creating nodejs env"
|
||||
fission env create --name $env --image $NODE_RUNTIME_IMAGE
|
||||
|
||||
log "Creating function"
|
||||
fission fn create --name $fn --env $env --code $DIR/main_error.js --method GET
|
||||
|
||||
log "Creating message queue trigger"
|
||||
fission mqtrigger create --name $mqt --function $fn --mqtype "nats-streaming" --topic $topic --resptopic $resptopic --errortopic $errortopic --maxretries $maxretries
|
||||
log "Updated mqtrigger list"
|
||||
fission mqtrigger list
|
||||
|
||||
# wait until nats trigger is created
|
||||
sleep 5
|
||||
|
||||
#
|
||||
# Send a message
|
||||
#
|
||||
log "Sending message"
|
||||
go run $DIR/stan-pub/main.go -s $FISSION_NATS_STREAMING_URL -c $clusterID -id $pubClientID $topic ""
|
||||
|
||||
#
|
||||
# Wait for message on error topic
|
||||
#
|
||||
log "Waiting for response"
|
||||
response=$(timeout 10s go run $DIR/stan-sub/main.go --last -s $FISSION_NATS_STREAMING_URL -c $clusterID -id $subClientID $errortopic 2>&1 || true)
|
||||
log "Output from subscriber"
|
||||
echo "$response"
|
||||
echo "$response" | grep "$expectedRespOutput"
|
||||
|
||||
log "Deleting message queue trigger"
|
||||
fission mqtrigger delete --name $mqt
|
||||
|
||||
log "Test PASSED"
|
||||
Reference in New Issue
Block a user