Using predefined s3 bucket

Our ops team has created temporary buckets that we can only use those to deploy to. I set the bucket name under provider:

provider:
name: aws
runtime: nodejs4.3
stage: dev
region: us-west-2
deploymentBucket: tech-30day-retention

However, when i try to deploy I get error:

Serverless: Packaging service…
Serverless: Uploading CloudFormation file to S3…
Serverless: Uploading service .zip file to S3 (10.06 MB)…
Serverless: Creating Stack…

Serverless Error ---------------------------------------

 TemplateURL must reference a valid S3 object to which
 you have access.

Stack Trace --------------------------------------------

ServerlessError: TemplateURL must reference a valid S3 object to which you have access.
at Response.req.send (/usr/local/lib/node_modules/serverless/lib/plugins/aws/provider/awsProvider.js:163:20)
at Request. (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/request.js:355:18)
at Request.callListeners (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/sequential_executor.js:105:20)
at Request.emit (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/sequential_executor.js:77:10)
at Request.emit (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/request.js:668:14)
at Request.transition (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/request.js:22:10)
at AcceptorStateMachine.runTo (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/state_machine.js:14:12)
at /usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/state_machine.js:26:10
at Request. (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/request.js:38:9)
at Request. (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/request.js:670:12)
at Request.callListeners (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/sequential_executor.js:115:18)
at Request.emit (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/sequential_executor.js:77:10)
at Request.emit (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/request.js:668:14)
at Request.transition (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/request.js:22:10)
at AcceptorStateMachine.runTo (/usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/state_machine.js:14:12)
at /usr/local/lib/node_modules/serverless/node_modules/aws-sdk/lib/state_machine.js:26:10
From previous event:
at persistentRequest (/usr/local/lib/node_modules/serverless/lib/plugins/aws/provider/awsProvider.js:151:14)
at doCall (/usr/local/lib/node_modules/serverless/lib/plugins/aws/provider/awsProvider.js:130:9)
at BbPromise (/usr/local/lib/node_modules/serverless/lib/plugins/aws/provider/awsProvider.js:141:14)
From previous event:
at persistentRequest (/usr/local/lib/node_modules/serverless/lib/plugins/aws/provider/awsProvider.js:128:38)
at AwsProvider.request (/usr/local/lib/node_modules/serverless/lib/plugins/aws/provider/awsProvider.js:144:12)
at AwsDeploy.createFallback (/usr/local/lib/node_modules/serverless/lib/plugins/aws/lib/updateStack.js:38:26)
From previous event:
at AwsDeploy.BbPromise.bind.then.then (/usr/local/lib/node_modules/serverless/lib/plugins/aws/lib/updateStack.js:108:14)
From previous event:
at AwsDeploy.updateStack (/usr/local/lib/node_modules/serverless/lib/plugins/aws/lib/updateStack.js:103:8)
From previous event:
at deploy:deploy (/usr/local/lib/node_modules/serverless/lib/plugins/aws/deploy/index.js:55:10)
at BbPromise.reduce (/usr/local/lib/node_modules/serverless/lib/classes/PluginManager.js:156:50)
at runCallback (timers.js:651:20)
at tryOnImmediate (timers.js:624:5)
at processImmediate [as _immediateCallback] (timers.js:596:5)
From previous event:
at PluginManager.run (/usr/local/lib/node_modules/serverless/lib/classes/PluginManager.js:156:22)
at Serverless.run (/usr/local/lib/node_modules/serverless/lib/Serverless.js:95:31)
at serverless.init.then (/usr/local/lib/node_modules/serverless/bin/serverless:23:50)
at process._tickCallback (internal/process/next_tick.js:103:7)

Any ide how to resolve this?

You need to have GetObject permissions on your deployment role. The following policy cleared this error up for me.

- Effect: Allow
  Action:
    - 's3:GetObject'
  Resource:
    Fn::Join:
      - ''
      - - 'arn:aws:s3:::'
        - ${bucketName}
        - '/serverless/*'