Cannot deploy function to GCP after changing the timeout

[dedemorton]

For confirmed bugs, please report:

• Version: 7.6.0
• Operating System: MacOS
• Discuss Forum URL: N/A
• Steps to Reproduce:

1. Configure Functionbeat to deploy a Google Cloud Function that gets events from a gcp storage bucket.

functionbeat.provider.gcp.location_id: "us-central1"
functionbeat.provider.gcp.project_id: "myprojectid"
functionbeat.provider.gcp.storage_name: "functionbeatbucket"
functionbeat.provider.gcp.functions:
  - name: storage
    enabled: true
    type: storage
    #timeout: 60s
    trigger:
      resource: "projects/dede-268001/buckets/functionbeatbucket"
      event_type: "google.storage.object.finalize"

The output config looks like this (simply points for ESS running on cloud)

output.elasticsearch:
  hosts: ["https://xyz:9243"]
  username: "elastic"
  password: "mypassword"

2. Deploy the function by running ./functionbeat deploy storage

3. Verify that the function is sucessfully deployed to GCP.

4. Generate an event on the storage bucket by uploading a file.

5. Check the Cloud Function log. The log contains entries like:

2020-02-12 07:41:21.554 PST
storage
984673706582765
Function execution took 6 ms, finished with status: 'timeout'
 
Expand all | Collapse all{
 insertId: "000000-b70aa0b0-0358-47b7-b4f3-32aba84db602"  
 labels: {
  execution_id: "984673706582765"   
 }
 logName: "projects/dede-268001/logs/cloudfunctions.googleapis.com%2Fcloud-functions"  
 receiveTimestamp: "2020-02-12T15:41:22.205417965Z"  
 resource: {
  labels: {…}   
  type: "cloud_function"   
 }
 severity: "DEBUG"  
 textPayload: "Function execution took 6 ms, finished with status: 'timeout'"  
 timestamp: "2020-02-12T15:41:21.554034871Z"  
 trace: "projects/dede-268001/traces/d9973adc68b86cbbb905c0bdf8b053e0"  
}

6. Set the timeout in functionbeat.yml: timeout: 120s.

7. Update the function by running ./functionbeat update storage

Functionbeat returns the message:

Function: storage, could not update, error: error while updating function: googleapi: Error 400: 
Invalid value at 'function.timeout' (type.googleapis.com/google.protobuf.Duration), Field 'timeout', 
Invalid duration format, failed to parse seconds, invalid
fail to update 1 function(s)