Create linked issue from remote issue hyperlink

[Samuel Burchmore]

I have 2 JSM instances connected with OAuth.

On the first instance, I have a text field which stores a hyperlink to another issue on the second JSM instance. I'm trying to write a script which automatically creates a reciprocal link between the 2 issues.

My understanding so far is -

1. I need to write a rest api call which creates the link on the remote issue using the local issues information.
2. Retrieve the remote issues information and use that to create a reciprocal link on the local instance.

I've cobbled this script together based on similar questions here -

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import com.atlassian.jira.component.ComponentAccessor

import com.atlassian.jira.issue.link.RemoteIssueLinkManager

import com.atlassian.jira.issue.link.RemoteIssueLinkManager

import com.atlassian.jira.bc.user.search.UserSearchService

import com.atlassian.jira.issue.link.RemoteIssueLinkBuilder

import com.atlassian.jira.bc.issue.link.RemoteIssueLinkService

import com.atlassian.jira.component.ComponentAccessor

import com.atlassian.applinks.api.ApplicationLinkService

import com.atlassian.applinks.api.application.jira.JiraApplicationType

import com.atlassian.sal.api.component.ComponentLocator

import com.atlassian.sal.api.net.Response

import com.atlassian.sal.api.net.ResponseException

import com.atlassian.sal.api.net.ResponseHandler

import groovy.json.JsonBuilder

import static com.atlassian.sal.api.net.Request.MethodType.POST

import com.atlassian.jira.component.ComponentAccessor

def appLinkService = ComponentLocator.getComponent(ApplicationLinkService)

def appLink = appLinkService.getPrimaryApplicationLink(JiraApplicationType)

def applicationLinkRequestFactory = appLink.createAuthenticatedRequestFactory()

def user = Users.getByName("<admin username>")

def customFieldManager = ComponentAccessor.getCustomFieldManager()

def customField = customFieldManager.getCustomFieldObject("customfield_<custom field id>")

// get hyperlink from current ticket

def remoteIssueLink = issue.getCustomFieldValue(customField) as String

def localIssueLink = ("<local link>" + issue.getKey())

def remoteIssueKey = remoteIssueLink.split("/").last()

// create post call for remote ticket

def post = ("/rest/api/2/issue/" + remoteIssueKey + "/remotelink")

// create input for remote post call

def input = new JsonBuilder([

    object: [

        url: localIssueLink,

        title: issue

        ]

]).toString()

// define request

def request = applicationLinkRequestFactory.createRequest(POST, post)

    .addHeader("Content-Type", "application/json")

    .setEntity(input)

// make request and store response

def responseContentJson

request.execute(new ResponseHandler<Response>() {

    @Override

    void handle(Response response) throws ResponseException {

        responseContentJson = response.responseBodyAsString

        if ( response.statusCode != 201) {

            issue.addComment("Fail: ${response.responseBodyAsString}")

        }

    }

})

// instantiate remote issue link builder

def linkBuilder = new RemoteIssueLinkBuilder()

// populate link builder with remote issue detals

linkBuilder.url(remoteIssueLink)

linkBuilder.title(remoteIssueKey)

linkBuilder.issueId(issue.id)

// create link

def remoteIssueLinkService = ComponentAccessor.getComponentOfType(RemoteIssueLinkService.class)

def validationResult = remoteIssueLinkService.validateCreate(user, linkBuilder.build())

remoteIssueLinkService.create(user, validationResult)

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When I run this script I encounter a stack overflow. I'm really quite new to scriptrunner and the rest API. My understanding is poor and I'm struggling to understand whats going wrong.