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Copy attachments to one issue to another with Scriptrunner Cloud

Andrew Lipscomb

Is it possible to run a post function which creates a subtask and copies all attachments from the parent issue to the subtask; with the obvious restriction that everything is done via the REST APIs? Editmeta for an issue shows that the attachments key has no operations; and that leaves this as the only method for attachment addition.

I found this answer (https://answers.atlassian.com/questions/41813368) but it relies on copying the file to disk temporarily. I'm assuming that the ScriptRunner Cloud containers do not allow you to do this; or that it would be unreliable for larger files given the 30sec timeout.

The ideal way would be to simply add attachment IDs from Issue A to Subtask B, but I get the feeling each Issue needs its own copy of an attachment.

Edit: Fixed link

Accepted answers

Jon Bevan _Adaptavist_

You should be able to clone attachments using the following code in a post function:

import org.apache.http.entity.ContentType;
 
def createReq = Unirest.post("/rest/api/2/issue")
        .header("Content-Type", "application/json")
        .body([
            summary: "Cloned issue"
        ])
        .asObject(Map)

assert createReq.status &gt;= 200 &amp;&amp; createReq.status &lt; 300

def clonedIssue = createReq.body

// copy attachments

if (issue.fields.attachment) {
    issue.fields.attachment.collect { attachment -&gt;
        def url = attachment.content as String
        url = url.substring(url.indexOf("/secure"))
        def fileBody = Unirest.get("${url}").asBinary().body
        def resp = Unirest.post("/rest/api/2/issue/${clonedIssue.id}/attachments")
                .header("X-Atlassian-Token", "no-check")
                .field("file", fileBody, ContentType.create(attachment['mimeType'] as String), attachment['filename'] as String)
                .asObject(List)
        assert resp.status &gt;=200 &amp;&amp; resp.status &lt; 300
    }
}

EDIT: added package import and other code fixes from comments below

All comments

Volodymyr Krupach @BrizoIT

> The ideal way would be to simply add attachment IDs from Issue A to Subtask B, but I get the feeling each Issue needs its own copy of an attachment
You have the right feeling smile . Each issue needs own copy of the attachment.

> Is it possible to run a post function... with the obvious restriction that everything is done via the REST APIs

Calling REST API from the post-function looks strange for me. Once you are coding the post-function it's better to rely on JIRA Java API.

JamieA

It should certainly be possible from the perspective of whether the rest apis can do it. I'm not sure if you can write to local disk to be honest, but anyway, you should be able to stream the output of one call to the input of another. Or just hold the entire attachment file in memory. @Jon Mort (Adaptavist) - any ideas?

Volodymyr Krupach @BrizoIT

Missed the script-runner tag. Apologies. Please refer to Jamie's comment.

Andrew Lipscomb

Holding in memory was my initial idea, but I worry about failure when the Script times out if we are looking at larger files (not likely in my use case, but I figure make this a relevant question for people who come back to this question with bigger files)

Also, doesn't the blocking aspect of the HTTP calls prevent you directly streaming from one input call to an output? I would have thought that you would need to do:

Input-A starts=>block execution=>read all the attachments to file/memory=>Input-A Closes

and then

Output-B starts=>block execution=>write all data to stream=>Output-B closes

Jon Bevan _Adaptavist_

You should be able to clone attachments using the following code in a post function:

import org.apache.http.entity.ContentType;
 
def createReq = Unirest.post("/rest/api/2/issue")
        .header("Content-Type", "application/json")
        .body([
            summary: "Cloned issue"
        ])
        .asObject(Map)

assert createReq.status &gt;= 200 &amp;&amp; createReq.status &lt; 300

def clonedIssue = createReq.body

// copy attachments

if (issue.fields.attachment) {
    issue.fields.attachment.collect { attachment -&gt;
        def url = attachment.content as String
        url = url.substring(url.indexOf("/secure"))
        def fileBody = Unirest.get("${url}").asBinary().body
        def resp = Unirest.post("/rest/api/2/issue/${clonedIssue.id}/attachments")
                .header("X-Atlassian-Token", "no-check")
                .field("file", fileBody, ContentType.create(attachment['mimeType'] as String), attachment['filename'] as String)
                .asObject(List)
        assert resp.status &gt;=200 &amp;&amp; resp.status &lt; 300
    }
}

EDIT: added package import and other code fixes from comments below

Rudy Holtkamp

Hi @Jon Bevan [Adaptavist], I've tried your code in a post-function on a transition, but I get an error on this line:

def fileBody = Unirest.get("${url}").asBinary().body

GET request to&nbsp;<a>https://scriptrunner.connect.adaptavist.com/jira/proxy/[https://company.atlassian.net/secure/attachment/10004/company-logo.png]</a>&nbsp;returned an error code: status: 403 - Forbidden

body: {"error": "Add-on 'com.onresolve.jira.groovy.groovyrunner' blocked from impersonating the user because the access token does not have the required scope(s)"}

<code class="groovy comments">It is running as 'Initiating user'. I also tried running it as add-on user, but then it gives me an&nbsp;

error code: status: 401 - Unauthorized

Do you have any idea how to resolve this?

Thanks

Jon Bevan _Adaptavist_

Hi Rudy,

The 401 Unauthorized gives me the impression that the Initiating user might not have permission to view the attachment (or perhaps the issue its attached to).

Thanks, Jon

Rudy Holtkamp

I'm running it as myself and when I directly go to https://company.atlassian.net/secure/attachment/10004/company-logo.png in my browser the logo loads. So I don't think I have a permission issue from that perspective.

Any other thoughts?

Abhishek Singh_3tmz0b

Hello All,

@Jon Bevan _Adaptavist_

I need to copy attachments from one of the issue in project to new issue using post function. I am using on-demand jira and have script runner. Please help me !!!.

Thanks in advance.

Regards,

Abhi

Jon Bevan _Adaptavist_

Hi Abhi, what have you tried?

Abhishek Singh_78r2hz

Hello Jon,

I got the solution. Thanks

I have new query if you can help.

I want to achieve that if the value in checkbox is others then attachment will be mandatory. I am using on-demand instance and have script runner plugin.

Regards,

Abhi

Jon Bevan _Adaptavist_

Do you mean on a create issue screen? Unfortunately this isn't possible with Jira Cloud.

andrewd_n8fmlu

Can this be done in Server as opposed to Cloud?

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