Add Azure Service Bus support (#1107)

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Günther 2020-10-28 23:29:45 +01:00 committed by GitHub
parent 889267ebb6
commit 6f92ecb128
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3 changed files with 58 additions and 10 deletions

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@ -36,5 +36,11 @@ export class Amqp implements ICredentialType {
}, },
default: '', default: '',
}, },
{
displayName: 'Transport Type',
name: 'transportType',
type: 'string' as NodePropertyTypes,
default: '',
},
]; ];
} }

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@ -57,9 +57,16 @@ export class Amqp implements INodeType {
default: false, default: false,
description: 'Send the data as an object.', description: 'Send the data as an object.',
}, },
{
displayName: 'Send property',
name: 'sendOnlyProperty',
type: 'string',
default: '',
description: 'Send only this property - If empty the hole Json will be sent',
},
], ],
}, },
], ]
}; };
async executeSingle(this: IExecuteSingleFunctions): Promise<INodeExecutionData> { async executeSingle(this: IExecuteSingleFunctions): Promise<INodeExecutionData> {
@ -87,6 +94,7 @@ export class Amqp implements INodeType {
const connectOptions: ContainerOptions = { const connectOptions: ContainerOptions = {
host: credentials.hostname, host: credentials.hostname,
hostname: credentials.hostname,
port: credentials.port, port: credentials.port,
reconnect: true, // this id the default anyway reconnect: true, // this id the default anyway
reconnect_limit: 50, // try for max 50 times, based on a back-off algorithm reconnect_limit: 50, // try for max 50 times, based on a back-off algorithm
@ -94,12 +102,23 @@ export class Amqp implements INodeType {
if (credentials.username || credentials.password) { if (credentials.username || credentials.password) {
container.options.username = credentials.username; container.options.username = credentials.username;
container.options.password = credentials.password; container.options.password = credentials.password;
connectOptions.username = credentials.username;
connectOptions.password = credentials.password;
}
if (credentials.transportType) {
connectOptions.transport = credentials.transportType;
} }
const allSent = new Promise(( resolve ) => { const allSent = new Promise(( resolve ) => {
container.on('sendable', (context: any) => { // tslint:disable-line:no-any container.on('sendable', (context: any) => { // tslint:disable-line:no-any
let body: IDataObject | string = item.json; let body: IDataObject | string = item.json;
let prop = options.sendOnlyProperty as string;
if(prop)
{
body = body[prop] as string;
}
if (options.dataAsObject !== true) { if (options.dataAsObject !== true) {
body = JSON.stringify(body); body = JSON.stringify(body);
@ -107,7 +126,7 @@ export class Amqp implements INodeType {
const message = { const message = {
application_properties: headerProperties, application_properties: headerProperties,
body, body
}; };
const sendResult = context.sender.send(message); const sendResult = context.sender.send(message);

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@ -75,9 +75,16 @@ export class AmqpTrigger implements INodeType {
default: false, default: false,
description: 'Parse the body to an object.', description: 'Parse the body to an object.',
}, },
{
displayName: 'Convert JSON Body content from Byte Array to string',
name: 'jsonConvertByteArrayToString',
type: 'boolean',
default: false,
description: 'Convert JSON Body content (["body"]["content"]) from Byte Array to string - Azure Service Bus',
}
], ],
}, },
], ]
}; };
@ -106,27 +113,42 @@ export class AmqpTrigger implements INodeType {
const container = require('rhea'); const container = require('rhea');
const connectOptions: ContainerOptions = { const connectOptions: ContainerOptions = {
host: credentials.hostname, host: credentials.hostname,
hostname: credentials.hostname,
port: credentials.port, port: credentials.port,
reconnect: true, // this id the default anyway reconnect: true, // this id the default anyway
reconnect_limit: 50, // try for max 50 times, based on a back-off algorithm reconnect_limit: 50, // try for max 50 times, based on a back-off algorithm
container_id: (durable ? clientname : null), container_id: (durable ? clientname : null)
}; };
if (credentials.username || credentials.password) { if (credentials.username || credentials.password) {
// Old rhea implementation. not shure if it is neccessary
container.options.username = credentials.username; container.options.username = credentials.username;
container.options.password = credentials.password; container.options.password = credentials.password;
connectOptions.username = credentials.username;
connectOptions.password = credentials.password;
}
if (credentials.transportType) {
connectOptions.transport = credentials.transportType;
} }
let lastMsgId: number | undefined = undefined; let lastMsgId: number | undefined = undefined;
const self = this; const self = this;
container.on('message', (context: any) => { // tslint:disable-line:no-any container.on('message', (context: any) => { // tslint:disable-line:no-any
// ignore duplicate message check, don't think it's necessary, but it was in the rhea-lib example code
if (context.message.message_id && context.message.message_id === lastMsgId) { if (context.message.message_id && context.message.message_id === lastMsgId) {
// ignore duplicate message check, don't think it's necessary, but it was in the rhea-lib example code
lastMsgId = context.message.message_id;
return; return;
} }
console.log("new Message", context.message.message_id, lastMsgId);
lastMsgId = context.message.message_id;
let data = context.message; let data = context.message;
if(options.jsonConvertByteArrayToString === true && data.body.content !== undefined) {
// The buffer is not ready... Stringify and parse back to load it.
let cont = JSON.stringify(data.body.content);
data.body = String.fromCharCode.apply(null,JSON.parse(cont).data);
}
if (options.jsonParseBody === true) { if (options.jsonParseBody === true) {
data.body = JSON.parse(data.body); data.body = JSON.parse(data.body);
@ -135,6 +157,7 @@ export class AmqpTrigger implements INodeType {
data = data.body; data = data.body;
} }
self.emit([self.helpers.returnJsonArray([data])]); self.emit([self.helpers.returnJsonArray([data])]);
}); });
@ -146,16 +169,16 @@ export class AmqpTrigger implements INodeType {
source: { source: {
address: sink, address: sink,
durable: 2, durable: 2,
expiry_policy: 'never', expiry_policy: 'never'
}, },
credit_window: 1, // prefetch 1 credit_window: 1 // prefetch 1
}; };
} else { } else {
clientOptions = { clientOptions = {
source: { source: {
address: sink, address: sink,
}, },
credit_window: 1, // prefetch 1 credit_window: 1 // prefetch 1
}; };
} }
connection.open_receiver(clientOptions); connection.open_receiver(clientOptions);
@ -176,7 +199,7 @@ export class AmqpTrigger implements INodeType {
await new Promise(( resolve, reject ) => { await new Promise(( resolve, reject ) => {
const timeoutHandler = setTimeout(() => { const timeoutHandler = setTimeout(() => {
reject(new Error('Aborted, no message received within 30secs. This 30sec timeout is only set for "manually triggered execution". Active Workflows will listen indefinitely.')); reject(new Error('Aborted, no message received within 30secs. This 30sec timeout is only set for "manually triggered execution". Active Workflows will listen indefinitely.'));
}, 30000); }, 3000);
container.on('message', (context: any) => { // tslint:disable-line:no-any container.on('message', (context: any) => { // tslint:disable-line:no-any
// Check if the only property present in the message is body // Check if the only property present in the message is body
// in which case we only emit the content of the body property // in which case we only emit the content of the body property