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Camunda at-least-once delivery
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:camunda="http://camunda.org/schema/1.0/bpmn" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" id="Definitions_0cqopu9" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.7.0"> | |
| <bpmn:process id="Echo" name="Echo" isExecutable="true"> | |
| <bpmn:startEvent id="StartEvent_1"> | |
| <bpmn:outgoing>Flow_0fjxlkl</bpmn:outgoing> | |
| </bpmn:startEvent> | |
| <bpmn:sequenceFlow id="Flow_0fjxlkl" sourceRef="StartEvent_1" targetRef="Gateway_0mt3mgo" /> | |
| <bpmn:callActivity id="PushPubsub" name="Publish Echo" camunda:asyncBefore="true" camunda:asyncAfter="true" camunda:exclusive="false" camunda:jobPriority="1" calledElement="PubsubPublish"> | |
| <bpmn:extensionElements> | |
| <camunda:in businessKey="#{execution.processBusinessKey}" /> | |
| <camunda:in source="topic" target="topic" /> | |
| <camunda:in source="project" target="project" /> | |
| <camunda:in source="message" target="message" /> | |
| <camunda:inputOutput> | |
| <camunda:inputParameter name="topic">myTopic</camunda:inputParameter> | |
| <camunda:inputParameter name="project">larkworthy-tester</camunda:inputParameter> | |
| <camunda:inputParameter name="message"> | |
| <camunda:script scriptFormat="groovy">import groovy.json.JsonOutput | |
| JsonOutput.toJson([ | |
| messageName: "echo", | |
| businessKey: execution.processBusinessKey, | |
| processInstanceId: execution.processInstanceId | |
| ])</camunda:script> | |
| </camunda:inputParameter> | |
| </camunda:inputOutput> | |
| <camunda:failedJobRetryTimeCycle>R999999/PT30S</camunda:failedJobRetryTimeCycle> | |
| </bpmn:extensionElements> | |
| <bpmn:incoming>Flow_0zou8kx</bpmn:incoming> | |
| <bpmn:outgoing>Flow_1cyjot4</bpmn:outgoing> | |
| </bpmn:callActivity> | |
| <bpmn:receiveTask id="Activity_0avp8zm" name="Wait for Echo" camunda:jobPriority="2" messageRef="Message_0aqvsvq"> | |
| <bpmn:incoming>Flow_0at5xd4</bpmn:incoming> | |
| <bpmn:outgoing>Flow_0i6u2tm</bpmn:outgoing> | |
| </bpmn:receiveTask> | |
| <bpmn:endEvent id="Event_0aw4vxw"> | |
| <bpmn:incoming>Flow_10kjc16</bpmn:incoming> | |
| </bpmn:endEvent> | |
| <bpmn:sequenceFlow id="Flow_0zou8kx" sourceRef="Gateway_0mt3mgo" targetRef="PushPubsub" /> | |
| <bpmn:sequenceFlow id="Flow_0at5xd4" sourceRef="Gateway_0mt3mgo" targetRef="Activity_0avp8zm" /> | |
| <bpmn:parallelGateway id="Gateway_0mt3mgo"> | |
| <bpmn:incoming>Flow_0fjxlkl</bpmn:incoming> | |
| <bpmn:outgoing>Flow_0zou8kx</bpmn:outgoing> | |
| <bpmn:outgoing>Flow_0at5xd4</bpmn:outgoing> | |
| </bpmn:parallelGateway> | |
| <bpmn:sequenceFlow id="Flow_0i6u2tm" sourceRef="Activity_0avp8zm" targetRef="Gateway_0mblpjs" /> | |
| <bpmn:sequenceFlow id="Flow_10kjc16" sourceRef="Gateway_0mblpjs" targetRef="Event_0aw4vxw" /> | |
| <bpmn:parallelGateway id="Gateway_0mblpjs"> | |
| <bpmn:incoming>Flow_0i6u2tm</bpmn:incoming> | |
| <bpmn:incoming>Flow_1cyjot4</bpmn:incoming> | |
| <bpmn:outgoing>Flow_10kjc16</bpmn:outgoing> | |
| </bpmn:parallelGateway> | |
| <bpmn:sequenceFlow id="Flow_1cyjot4" sourceRef="PushPubsub" targetRef="Gateway_0mblpjs" /> | |
| </bpmn:process> | |
| <bpmn:message id="Message_0aqvsvq" name="echo" /> | |
| <bpmndi:BPMNDiagram id="BPMNDiagram_1"> | |
| <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Echo"> | |
| <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1"> | |
| <dc:Bounds x="152" y="162" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_0fjxlkl_di" bpmnElement="Flow_0fjxlkl"> | |
| <di:waypoint x="188" y="180" /> | |
| <di:waypoint x="205" y="180" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Activity_15rku3g_di" bpmnElement="PushPubsub"> | |
| <dc:Bounds x="280" y="80" width="100" height="80" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNShape id="Activity_0psem4g_di" bpmnElement="Activity_0avp8zm"> | |
| <dc:Bounds x="280" y="210" width="100" height="80" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNShape id="Event_0aw4vxw_di" bpmnElement="Event_0aw4vxw"> | |
| <dc:Bounds x="472" y="162" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_0zou8kx_di" bpmnElement="Flow_0zou8kx"> | |
| <di:waypoint x="230" y="155" /> | |
| <di:waypoint x="230" y="120" /> | |
| <di:waypoint x="280" y="120" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNEdge id="Flow_0at5xd4_di" bpmnElement="Flow_0at5xd4"> | |
| <di:waypoint x="230" y="205" /> | |
| <di:waypoint x="230" y="250" /> | |
| <di:waypoint x="280" y="250" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Gateway_12c8goe_di" bpmnElement="Gateway_0mt3mgo"> | |
| <dc:Bounds x="205" y="155" width="50" height="50" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_0i6u2tm_di" bpmnElement="Flow_0i6u2tm"> | |
| <di:waypoint x="380" y="250" /> | |
| <di:waypoint x="430" y="250" /> | |
| <di:waypoint x="430" y="205" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNEdge id="Flow_10kjc16_di" bpmnElement="Flow_10kjc16"> | |
| <di:waypoint x="455" y="180" /> | |
| <di:waypoint x="472" y="180" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Gateway_1kucqok_di" bpmnElement="Gateway_0mblpjs"> | |
| <dc:Bounds x="405" y="155" width="50" height="50" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_1cyjot4_di" bpmnElement="Flow_1cyjot4"> | |
| <di:waypoint x="380" y="120" /> | |
| <di:waypoint x="430" y="120" /> | |
| <di:waypoint x="430" y="155" /> | |
| </bpmndi:BPMNEdge> | |
| </bpmndi:BPMNPlane> | |
| </bpmndi:BPMNDiagram> | |
| </bpmn:definitions> |
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| import axios from 'axios'; | |
| import PubSub = require("@google-cloud/pubsub"); | |
| const axiosConfig = { | |
| validateStatus: (status: number) => | |
| (status >= 200 && status < 300) // default | |
| // If a response gets delivered twice, then the second message will not correspond | |
| // to a receive task in Camunda, and the engine will reject the delivery with a | |
| // 400 "Cannot correlate message '<msg> ....': | |
| // We DO NOT want to retry this, it will never succeed, so mark it as a success | |
| // So the retry behaviour of GCF does not go into a loop | |
| // Note other 4xx errors like a 429, are Cloud Run or Cloud SQL being busy | |
| // Which we do want to retry. 400 is the MVP for at-least-once | |
| || status == 400 | |
| } | |
| export async function echo(event: PubSub.Message, context: any) { | |
| // @ts-ignore (Buffers work fine with JSON parse) | |
| const payload = JSON.parse(Buffer.from(event.data, 'base64')); | |
| console.log("Received: " + JSON.stringify(payload)); | |
| const url = process.env.MESSAGE_URL; | |
| if (url === undefined) throw new Error("Must defined MESSAGE_URL env variable"); | |
| // Send to Camunda | |
| // https://docs.camunda.org/manual/7.5/reference/rest/message/post-message/#example | |
| const response = await axios.post(url, payload, axiosConfig); // Send message to Camunda | |
| console.log("Camunda response:", response.status) | |
| }; |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" id="Definitions_14ku8kk" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.7.0"> | |
| <bpmn:process id="Process_06543vc" name="EchoLoop" isExecutable="true"> | |
| <bpmn:startEvent id="StartEvent_1"> | |
| <bpmn:outgoing>Flow_0wm79yr</bpmn:outgoing> | |
| </bpmn:startEvent> | |
| <bpmn:callActivity id="Activity_0z28vmt" name="Echo" calledElement="Echo"> | |
| <bpmn:incoming>Flow_1hovmhq</bpmn:incoming> | |
| <bpmn:incoming>Flow_0wm79yr</bpmn:incoming> | |
| <bpmn:outgoing>Flow_1hovmhq</bpmn:outgoing> | |
| </bpmn:callActivity> | |
| <bpmn:sequenceFlow id="Flow_1hovmhq" sourceRef="Activity_0z28vmt" targetRef="Activity_0z28vmt" /> | |
| <bpmn:sequenceFlow id="Flow_0wm79yr" sourceRef="StartEvent_1" targetRef="Activity_0z28vmt" /> | |
| </bpmn:process> | |
| <bpmndi:BPMNDiagram id="BPMNDiagram_1"> | |
| <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Process_06543vc"> | |
| <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1"> | |
| <dc:Bounds x="182" y="62" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNShape id="Activity_05k2xqr_di" bpmnElement="Activity_0z28vmt"> | |
| <dc:Bounds x="250" y="57" width="100" height="80" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_1hovmhq_di" bpmnElement="Flow_1hovmhq"> | |
| <di:waypoint x="300" y="137" /> | |
| <di:waypoint x="300" y="157" /> | |
| <di:waypoint x="230" y="157" /> | |
| <di:waypoint x="230" y="100" /> | |
| <di:waypoint x="250" y="100" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNEdge id="Flow_0wm79yr_di" bpmnElement="Flow_0wm79yr"> | |
| <di:waypoint x="218" y="80" /> | |
| <di:waypoint x="250" y="80" /> | |
| </bpmndi:BPMNEdge> | |
| </bpmndi:BPMNPlane> | |
| </bpmndi:BPMNDiagram> | |
| </bpmn:definitions> |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:camunda="http://camunda.org/schema/1.0/bpmn" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" id="Definitions_0gmvjgr" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.7.0"> | |
| <bpmn:process id="FetchToken" name="FetchToken" isExecutable="true"> | |
| <bpmn:startEvent id="StartEvent_1"> | |
| <bpmn:outgoing>Flow_0plrjc8</bpmn:outgoing> | |
| </bpmn:startEvent> | |
| <bpmn:serviceTask id="Activity_08v9fhc" name="GetToken"> | |
| <bpmn:extensionElements> | |
| <camunda:connector> | |
| <camunda:inputOutput> | |
| <camunda:inputParameter name="url">http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/token</camunda:inputParameter> | |
| <camunda:inputParameter name="headers"> | |
| <camunda:map> | |
| <camunda:entry key="Metadata-Flavor">Google</camunda:entry> | |
| </camunda:map> | |
| </camunda:inputParameter> | |
| <camunda:inputParameter name="method">GET</camunda:inputParameter> | |
| <camunda:outputParameter name="token"> | |
| <camunda:script scriptFormat="groovy">import groovy.json.JsonSlurper | |
| def jsonSlurper = new JsonSlurper() | |
| def object = jsonSlurper.parseText(response) | |
| object.access_token</camunda:script> | |
| </camunda:outputParameter> | |
| </camunda:inputOutput> | |
| <camunda:connectorId>http-connector</camunda:connectorId> | |
| </camunda:connector> | |
| </bpmn:extensionElements> | |
| <bpmn:incoming>Flow_0plrjc8</bpmn:incoming> | |
| <bpmn:outgoing>Flow_18s8udj</bpmn:outgoing> | |
| </bpmn:serviceTask> | |
| <bpmn:sequenceFlow id="Flow_0plrjc8" sourceRef="StartEvent_1" targetRef="Activity_08v9fhc" /> | |
| <bpmn:endEvent id="Event_0jsmp0r"> | |
| <bpmn:incoming>Flow_18s8udj</bpmn:incoming> | |
| </bpmn:endEvent> | |
| <bpmn:sequenceFlow id="Flow_18s8udj" sourceRef="Activity_08v9fhc" targetRef="Event_0jsmp0r" /> | |
| </bpmn:process> | |
| <bpmndi:BPMNDiagram id="BPMNDiagram_1"> | |
| <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="FetchToken"> | |
| <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1"> | |
| <dc:Bounds x="152" y="99" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNShape id="Activity_08v9fhc_di" bpmnElement="Activity_08v9fhc"> | |
| <dc:Bounds x="210" y="77" width="100" height="80" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_0plrjc8_di" bpmnElement="Flow_0plrjc8"> | |
| <di:waypoint x="188" y="117" /> | |
| <di:waypoint x="210" y="117" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Event_0jsmp0r_di" bpmnElement="Event_0jsmp0r"> | |
| <dc:Bounds x="332" y="99" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_18s8udj_di" bpmnElement="Flow_18s8udj"> | |
| <di:waypoint x="310" y="117" /> | |
| <di:waypoint x="332" y="117" /> | |
| </bpmndi:BPMNEdge> | |
| </bpmndi:BPMNPlane> | |
| </bpmndi:BPMNDiagram> | |
| </bpmn:definitions> |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:camunda="http://camunda.org/schema/1.0/bpmn" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" id="Definitions_0p2sks3" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.7.0"> | |
| <bpmn:process id="Http" name="Http" isExecutable="true"> | |
| <bpmn:startEvent id="HttpRequest"> | |
| <bpmn:outgoing>Flow_1b8ogdn</bpmn:outgoing> | |
| </bpmn:startEvent> | |
| <bpmn:sequenceFlow id="Flow_1b8ogdn" sourceRef="HttpRequest" targetRef="HttpCall" /> | |
| <bpmn:serviceTask id="HttpCall" name="HttpCall"> | |
| <bpmn:extensionElements> | |
| <camunda:connector> | |
| <camunda:inputOutput> | |
| <camunda:inputParameter name="url">${url}</camunda:inputParameter> | |
| <camunda:inputParameter name="headers"> | |
| <camunda:script scriptFormat="groovy">execution.hasVariable("headers") ? execution.getVariable("headers"): []</camunda:script> | |
| </camunda:inputParameter> | |
| <camunda:inputParameter name="method"> | |
| <camunda:script scriptFormat="groovy">execution.hasVariable("method") ? execution.getVariable("method") : "GET"</camunda:script> | |
| </camunda:inputParameter> | |
| <camunda:inputParameter name="payload"> | |
| <camunda:script scriptFormat="groovy">execution.hasVariable("payload") ? execution.getVariable("payload") : null</camunda:script> | |
| </camunda:inputParameter> | |
| <camunda:outputParameter name="response">${response}</camunda:outputParameter> | |
| <camunda:outputParameter name="statusCode"> | |
| <camunda:script scriptFormat="groovy">statusCode.toInteger()</camunda:script> | |
| </camunda:outputParameter> | |
| <camunda:outputParameter name="headers"> | |
| <camunda:map /> | |
| </camunda:outputParameter> | |
| </camunda:inputOutput> | |
| <camunda:connectorId>http-connector</camunda:connectorId> | |
| </camunda:connector> | |
| </bpmn:extensionElements> | |
| <bpmn:incoming>Flow_1b8ogdn</bpmn:incoming> | |
| <bpmn:outgoing>Flow_0emzhvb</bpmn:outgoing> | |
| </bpmn:serviceTask> | |
| <bpmn:endEvent id="HttpCallSuccess"> | |
| <bpmn:extensionElements> | |
| <camunda:inputOutput> | |
| <camunda:inputParameter name="response">${response}</camunda:inputParameter> | |
| <camunda:inputParameter name="headers"> | |
| <camunda:map /> | |
| </camunda:inputParameter> | |
| <camunda:inputParameter name="statusCode">${statusCode}</camunda:inputParameter> | |
| </camunda:inputOutput> | |
| </bpmn:extensionElements> | |
| <bpmn:incoming>happyPath</bpmn:incoming> | |
| </bpmn:endEvent> | |
| <bpmn:exclusiveGateway id="HandleStatusCode" name=" StatusCode"> | |
| <bpmn:incoming>Flow_0emzhvb</bpmn:incoming> | |
| <bpmn:outgoing>happyPath</bpmn:outgoing> | |
| <bpmn:outgoing>errorPath</bpmn:outgoing> | |
| </bpmn:exclusiveGateway> | |
| <bpmn:sequenceFlow id="happyPath" name="< 400 " sourceRef="HandleStatusCode" targetRef="HttpCallSuccess"> | |
| <bpmn:conditionExpression xsi:type="bpmn:tFormalExpression">${statusCode < 400}</bpmn:conditionExpression> | |
| </bpmn:sequenceFlow> | |
| <bpmn:sequenceFlow id="errorPath" name=">= 400 " sourceRef="HandleStatusCode" targetRef="Activity_14q0vuf"> | |
| <bpmn:conditionExpression xsi:type="bpmn:tFormalExpression">${statusCode >= 400}</bpmn:conditionExpression> | |
| </bpmn:sequenceFlow> | |
| <bpmn:endEvent id="Event_0ynz78o"> | |
| <bpmn:incoming>Flow_18s8q45</bpmn:incoming> | |
| <bpmn:errorEventDefinition id="ErrorEventDefinition_0ana5hj" errorRef="Error_03ryv1t" /> | |
| </bpmn:endEvent> | |
| <bpmn:sequenceFlow id="Flow_0emzhvb" sourceRef="HttpCall" targetRef="HandleStatusCode" /> | |
| <bpmn:sequenceFlow id="Flow_18s8q45" sourceRef="Activity_14q0vuf" targetRef="Event_0ynz78o" /> | |
| <bpmn:scriptTask id="Activity_14q0vuf" scriptFormat="groovy"> | |
| <bpmn:incoming>errorPath</bpmn:incoming> | |
| <bpmn:outgoing>Flow_18s8q45</bpmn:outgoing> | |
| <bpmn:script>println "Error in http"</bpmn:script> | |
| </bpmn:scriptTask> | |
| </bpmn:process> | |
| <bpmn:error id="Error_03ryv1t" name="HttpError" errorCode="${statusCode}" camunda:errorMessage="${S(response).prop('error').prop('message').value()}" /> | |
| <bpmndi:BPMNDiagram id="BPMNDiagram_1"> | |
| <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Http"> | |
| <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="HttpRequest"> | |
| <dc:Bounds x="160" y="99" width="0" height="53" /> | |
| <bpmndi:BPMNLabel> | |
| <dc:Bounds x="279" y="142" width="62" height="14" /> | |
| </bpmndi:BPMNLabel> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_1b8ogdn_di" bpmnElement="Flow_1b8ogdn"> | |
| <di:waypoint x="160" y="126" /> | |
| <di:waypoint x="190" y="126" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Activity_0c5df4n_di" bpmnElement="HttpCall"> | |
| <dc:Bounds x="190" y="86" width="100" height="80" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNShape id="Event_17qzv6v_di" bpmnElement="HttpCallSuccess"> | |
| <dc:Bounds x="502" y="108" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNShape id="Gateway_0tipgat_di" bpmnElement="HandleStatusCode" isMarkerVisible="true"> | |
| <dc:Bounds x="305" y="101" width="50" height="50" /> | |
| <bpmndi:BPMNLabel> | |
| <dc:Bounds x="301" y="60" width="58" height="40" /> | |
| </bpmndi:BPMNLabel> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_0tbsszj_di" bpmnElement="happyPath"> | |
| <di:waypoint x="355" y="126" /> | |
| <di:waypoint x="502" y="126" /> | |
| <bpmndi:BPMNLabel> | |
| <dc:Bounds x="416" y="108" width="28" height="40" /> | |
| </bpmndi:BPMNLabel> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNEdge id="Flow_0h9xh68_di" bpmnElement="errorPath"> | |
| <di:waypoint x="330" y="151" /> | |
| <di:waypoint x="330" y="220" /> | |
| <di:waypoint x="380" y="220" /> | |
| <bpmndi:BPMNLabel> | |
| <dc:Bounds x="312" y="230" width="35" height="40" /> | |
| </bpmndi:BPMNLabel> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Event_0a1fxat_di" bpmnElement="Event_0ynz78o"> | |
| <dc:Bounds x="502" y="202" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_0emzhvb_di" bpmnElement="Flow_0emzhvb"> | |
| <di:waypoint x="290" y="126" /> | |
| <di:waypoint x="305" y="126" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNEdge id="Flow_18s8q45_di" bpmnElement="Flow_18s8q45"> | |
| <di:waypoint x="480" y="220" /> | |
| <di:waypoint x="502" y="220" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Activity_026djph_di" bpmnElement="Activity_14q0vuf"> | |
| <dc:Bounds x="380" y="180" width="100" height="80" /> | |
| </bpmndi:BPMNShape> | |
| </bpmndi:BPMNPlane> | |
| </bpmndi:BPMNDiagram> | |
| </bpmn:definitions> |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:camunda="http://camunda.org/schema/1.0/bpmn" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" id="Definitions_1608m3e" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.7.0"> | |
| <bpmn:process id="PubsubPublish" name="PubsubPublish" isExecutable="true"> | |
| <bpmn:startEvent id="StartEvent_1"> | |
| <bpmn:extensionElements> | |
| <camunda:formData> | |
| <camunda:formField id="project" label="project" type="string" defaultValue="larkworthy-tester" /> | |
| <camunda:formField id="topic" label="topic" type="string" defaultValue="out" /> | |
| <camunda:formField id="message" label="message" type="string" defaultValue="hello world" /> | |
| </camunda:formData> | |
| </bpmn:extensionElements> | |
| <bpmn:outgoing>Flow_1bc5zu8</bpmn:outgoing> | |
| </bpmn:startEvent> | |
| <bpmn:callActivity id="FetchToken" name="FetchToken" calledElement="FetchToken"> | |
| <bpmn:extensionElements> | |
| <camunda:out source="token" target="token" /> | |
| <camunda:inputOutput> | |
| <camunda:outputParameter name="token">${token}</camunda:outputParameter> | |
| </camunda:inputOutput> | |
| </bpmn:extensionElements> | |
| <bpmn:incoming>Flow_1bc5zu8</bpmn:incoming> | |
| <bpmn:outgoing>Flow_0utyh8l</bpmn:outgoing> | |
| </bpmn:callActivity> | |
| <bpmn:sequenceFlow id="Flow_1bc5zu8" sourceRef="StartEvent_1" targetRef="FetchToken" /> | |
| <bpmn:endEvent id="Event_1875zce"> | |
| <bpmn:incoming>Flow_02l13be</bpmn:incoming> | |
| </bpmn:endEvent> | |
| <bpmn:sequenceFlow id="Flow_02l13be" sourceRef="Activity_1jw7b7e" targetRef="Event_1875zce" /> | |
| <bpmn:callActivity id="Activity_1jw7b7e" name="publish" calledElement="Http"> | |
| <bpmn:extensionElements> | |
| <camunda:in source="headers" target="headers" /> | |
| <camunda:in sourceExpression="https://pubsub.googleapis.com/v1/projects/${project}/topics/${topic}:publish" target="url" /> | |
| <camunda:in sourceExpression="POST" target="method" /> | |
| <camunda:inputOutput> | |
| <camunda:inputParameter name="headers"> | |
| <camunda:script scriptFormat="groovy">[ | |
| Authorization: "Bearer " + token | |
| ]</camunda:script> | |
| </camunda:inputParameter> | |
| <camunda:inputParameter name="payload"> | |
| <camunda:script scriptFormat="groovy">import groovy.json.JsonOutput | |
| import java.util.Base64 | |
| def encoded = Base64.getEncoder().encodeToString(message.getBytes()); | |
| JsonOutput.toJson([ | |
| messages: [ | |
| data: encoded | |
| ] | |
| ])</camunda:script> | |
| </camunda:inputParameter> | |
| </camunda:inputOutput> | |
| <camunda:out source="response" target="response" /> | |
| <camunda:out source="statusCode" target="statusCode" /> | |
| <camunda:out source="headers" target="headers" /> | |
| <camunda:in source="payload" target="payload" /> | |
| </bpmn:extensionElements> | |
| <bpmn:incoming>Flow_0utyh8l</bpmn:incoming> | |
| <bpmn:outgoing>Flow_02l13be</bpmn:outgoing> | |
| </bpmn:callActivity> | |
| <bpmn:boundaryEvent id="Event_0dn48ac" attachedToRef="Activity_1jw7b7e"> | |
| <bpmn:outgoing>Flow_03wrs60</bpmn:outgoing> | |
| <bpmn:errorEventDefinition id="ErrorEventDefinition_12x769u" errorRef="Error_08tmsn2" camunda:errorCodeVariable="errorCode" camunda:errorMessageVariable="errorMessage" /> | |
| </bpmn:boundaryEvent> | |
| <bpmn:endEvent id="Event_0ihp1t6"> | |
| <bpmn:incoming>Flow_115qfnw</bpmn:incoming> | |
| <bpmn:errorEventDefinition id="ErrorEventDefinition_1ybjccq" errorRef="Error_0zvmets" /> | |
| </bpmn:endEvent> | |
| <bpmn:sequenceFlow id="Flow_115qfnw" sourceRef="Activity_0t1dbw7" targetRef="Event_0ihp1t6" /> | |
| <bpmn:sequenceFlow id="Flow_03wrs60" sourceRef="Event_0dn48ac" targetRef="Activity_0t1dbw7" /> | |
| <bpmn:scriptTask id="Activity_0t1dbw7" name="Log error " scriptFormat="javascript"> | |
| <bpmn:incoming>Flow_03wrs60</bpmn:incoming> | |
| <bpmn:outgoing>Flow_115qfnw</bpmn:outgoing> | |
| <bpmn:script>java.lang.System.err.println (errorCode + ": " + errorMessage)</bpmn:script> | |
| </bpmn:scriptTask> | |
| <bpmn:sequenceFlow id="Flow_0utyh8l" sourceRef="FetchToken" targetRef="Activity_1jw7b7e" /> | |
| </bpmn:process> | |
| <bpmn:error id="Error_0zvmets" name="PublishError" errorCode="errorCode" camunda:errorMessage="errorMessage" /> | |
| <bpmn:error id="Error_08tmsn2" name="HttpError" /> | |
| <bpmndi:BPMNDiagram id="BPMNDiagram_1"> | |
| <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="PubsubPublish"> | |
| <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1"> | |
| <dc:Bounds x="182" y="85" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNShape id="Activity_0itkn6y_di" bpmnElement="FetchToken"> | |
| <dc:Bounds x="250" y="60" width="100" height="80" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_1bc5zu8_di" bpmnElement="Flow_1bc5zu8"> | |
| <di:waypoint x="218" y="103" /> | |
| <di:waypoint x="250" y="103" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Event_1875zce_di" bpmnElement="Event_1875zce"> | |
| <dc:Bounds x="502" y="82" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_02l13be_di" bpmnElement="Flow_02l13be"> | |
| <di:waypoint x="480" y="100" /> | |
| <di:waypoint x="502" y="100" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Activity_0vwsf7v_di" bpmnElement="Activity_1jw7b7e"> | |
| <dc:Bounds x="380" y="60" width="100" height="80" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNShape id="Event_13mp6hi_di" bpmnElement="Event_0dn48ac"> | |
| <dc:Bounds x="442" y="122" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNShape id="Event_07y8g09_di" bpmnElement="Event_0ihp1t6"> | |
| <dc:Bounds x="502" y="202" width="36" height="36" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_115qfnw_di" bpmnElement="Flow_115qfnw"> | |
| <di:waypoint x="480" y="220" /> | |
| <di:waypoint x="502" y="220" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNEdge id="Flow_03wrs60_di" bpmnElement="Flow_03wrs60"> | |
| <di:waypoint x="460" y="158" /> | |
| <di:waypoint x="460" y="180" /> | |
| </bpmndi:BPMNEdge> | |
| <bpmndi:BPMNShape id="Activity_1jtahg7_di" bpmnElement="Activity_0t1dbw7"> | |
| <dc:Bounds x="380" y="180" width="100" height="80" /> | |
| </bpmndi:BPMNShape> | |
| <bpmndi:BPMNEdge id="Flow_0utyh8l_di" bpmnElement="Flow_0utyh8l"> | |
| <di:waypoint x="350" y="100" /> | |
| <di:waypoint x="380" y="100" /> | |
| </bpmndi:BPMNEdge> | |
| </bpmndi:BPMNPlane> | |
| </bpmndi:BPMNDiagram> | |
| </bpmn:definitions> |
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