Miles Edwards created BEAM-8189:
-----------------------------------
Summary: DataflowRunner does not work with Shared VPC in another
Project
Key: BEAM-8189
URL: https://issues.apache.org/jira/browse/BEAM-8189
Project: Beam
Issue Type: Bug
Components: runner-dataflow
Affects Versions: 2.15.0
Reporter: Miles Edwards
The Setup:
I have two Projects on the Google Cloud Platform
1) Service Project for my Dataflow jobs
2) Host Project for Shared VPC & Subnetworks
The Host Project has configured Firewall Rules for the Dataflow job. ie. allow
all traffic, allow all internal traffic, allow all traffic tagged with
'dataflow' etc
The Problem
The job will hang on shuffles when set to run within the service project, but
use the host project network. I will also see the following warning:
```
The network miles-qa-vpc doesn't have rules that open TCP ports 1-65535 for
internal connection with other VMs. Only rules with a target tag 'dataflow' or
empty target tags set apply. If you don't specify such a rule, any pipeline
with more than one worker that shuffles data will hang. Causes: No firewall
rules associated with your network.
```
As mentioned in my [StackOverflow
question|[https://stackoverflow.com/questions/57868089/google-dataflow-warnings-when-using-service-host-projects-shared-vpcs-firew]],
I've tried the following:
1. Only passing "--subnetwork" without "--network" only modifies the warning to
state "default" instead of "miles-qa-vpc", which sounds like a logging error to
me.
2. Firewall rules have been configured to:
- allow all traffic
- allow all internal traffic
- allow all traffic with the source tag 'dataflow'
- allow all traffic with the target tag 'dataflow'
3. Service Account has been configured to have Compute Network User permissions
in both projects.
4. Ensured subnetwork is in the same region as the job.
5. Network in the service project is happily serving a dedicated cluster for
other purposes in the host project.
It genuinely seems like the spawned Compute Instances are not gaining the
configuration.
I expect the Dataflow job not to report the firewall issue and successfully
deal with shuffling (GroupBys etc.)
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