How can I create a Jenkins Credential via REST API or Jenkins CLI? The credential should be of type "secret file", instead of a username / password combination.
The question is similar to this question, but not the same or a duplicate.
You can do it as follows:
curl -X POST \
https://jenkins.local/job/TEAM-FOLDER/credentials/store/folder/domain/_/createCredentials \
-F secret=@/Users/maksym/secret \
-F 'json={"": "4", "credentials": {"file": "secret", "id": "test",
"description": "HELLO-curl", "stapler-class":
"org.jenkinsci.plugins.plaincredentials.impl.FileCredentialsImpl",
"$class":
"org.jenkinsci.plugins.plaincredentials.impl.FileCredentialsImpl"}}'
just finished with it today https://www.linkedin.com/pulse/upload-jenkins-secret-file-credential-via-api-maksym-lushpenko/?trackingId=RDcgSk0KyvW5RxrBD2t1RA%3D%3D