DataFlow

https://cloud.google.com/dataflow/docs/quickstarts/quickstart-python

Examples

Full example of beam pipeline on dataflow:

https://github.com/apache/beam/tree/master/sdks/python/apache_beam/examples/complete/juliaset

Setup

Export env variable:

export GOOGLE_APPLICATION_CREDENTIALS="/home/dtomlinson/git-repos/work/street_group/street_group_tech_test/street-group-0c490d23a9d0.json"

Run pipeline

Dataflow

Monthly dataset

python -m analyse_properties.main \
    --region europe-west1 \
    --input gs://street-group-technical-test-dmot-euw1/input/pp-monthly-update-new-version.csv \
    --output gs://street-group-technical-test-dmot-euw1/output/pp-monthly-update-new-version \
    --runner DataflowRunner \
    --project street-group \
    --temp_location gs://street-group-technical-test-dmot-euw1/tmp \
    --subnetwork=https://www.googleapis.com/compute/v1/projects/street-group/regions/europe-west1/subnetworks/europe-west-1-dataflow \
    --no_use_public_ips

Full dataset

python -m analyse_properties.main \
    --region europe-west1 \
    --input gs://street-group-technical-test-dmot-euw1/input/pp-complete.csv \
    --output gs://street-group-technical-test-dmot-euw1/output/pp-complete \
    --runner DataflowRunner \
    --project street-group \
    --temp_location gs://street-group-technical-test-dmot-euw1/tmp \
    --subnetwork=https://www.googleapis.com/compute/v1/projects/street-group/regions/europe-west1/subnetworks/europe-west-1-dataflow \
    --no_use_public_ips

Locally

Run the pipeline locally:

python -m analyse_properties.main --runner DirectRunner

Errors

Unsubscriptable error on window:

https://stackoverflow.com/questions/42276520/what-does-object-of-type-unwindowedvalues-has-no-len-mean

Documentation

Running in its own private VPC without public IPs

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