add attachments via rest api using scriptrunner

[Sandy Garrido]

I've tried to work out with various questions already asked and the api docs.

I've not been able to work out how to post attachments to an issue using scriptrunners Groovy.

My goal is to get all the attachment URLs from one issue and add them to another issue.

def attachments = get("/rest/api/3/issue/${projectIssueKey}").asJson().body.array[0].fields.attachment

attachments.each{
def filename = it.filename
def fileUrl = it.content
def fileBody = get("${fileUrl}").asBinary().body

// POST attachment 
def resp = post("/rest/api/3/issue/${newProjectIssueKey}/attachments")
resp
}

It's at the post attachment part that I'm not sure what to do.

[Sandy Garrido]

String key = "${issueKey}"
def newBody = get("${imageURL}").asBinary().body

InputStream stream = new ByteArrayInputStream(newBody.getBytes())

def resp = Unirest.post("/rest/api/3/issue/${key}/attachments")
.header("X-Atlassian-Token", "no-check")
.field('file', stream, 'image002.png')
.asJson()
resp

 I've now got to this!
But I guess the upload is not being done correctly as there is an attachment but the size is 0.0kb