feat(component): Created Snowflake data unload component

components/snowflake/component.yaml

@@ -0,0 +1,156 @@
+# PIPELINE DEFINITION
+# Name: snowflake-unload-op
+# Description: Run COPY in snowflake to unload data to GCS bucket.
+#              output_gcs_path: the location to land the data
+#              sf_storage_integration: the Snowflake Storage Integration name
+#              query: the query to execute in the COPY command
+#              sf_user: the snowflake username
+#              sf_password: the snowflake password
+#              sf_warehouse: the snowflake warehouse name
+#              sf_database: the database to use
+# Inputs:
+#    output_gcs_path: str
+#    query: str
+#    sf_account: str
+#    sf_database: str
+#    sf_password: str
+#    sf_storage_integration: str
+#    sf_user: str
+#    sf_warehouse: str
+# Outputs:
+#    Output: str
+components:
+  comp-snowflake-unload-op:
+    executorLabel: exec-snowflake-unload-op
+    inputDefinitions:
+      parameters:
+        output_gcs_path:
+          parameterType: STRING
+        query:
+          parameterType: STRING
+        sf_account:
+          parameterType: STRING
+        sf_database:
+          parameterType: STRING
+        sf_password:
+          parameterType: STRING
+        sf_storage_integration:
+          parameterType: STRING
+        sf_user:
+          parameterType: STRING
+        sf_warehouse:
+          parameterType: STRING
+    outputDefinitions:
+      parameters:
+        Output:
+          parameterType: STRING
+deploymentSpec:
+  executors:
+    exec-snowflake-unload-op:
+      container:
+        args:
+        - --executor_input
+        - '{{$}}'
+        - --function_to_execute
+        - snowflake_unload_op
+        command:
+        - sh
+        - -c
+        - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
+          \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.7.0'\
+          \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"'  &&\
+          \  python3 -m pip install --quiet --no-warn-script-location 'snowflake-connector-python:3.12.3'\
+          \ && \"$0\" \"$@\"\n"
+        - sh
+        - -ec
+        - 'program_path=$(mktemp -d)
+
+
+          printf "%s" "$0" > "$program_path/ephemeral_component.py"
+
+          _KFP_RUNTIME=true python3 -m kfp.dsl.executor_main                         --component_module_path                         "$program_path/ephemeral_component.py"                         "$@"
+
+          '
+        - "\nimport kfp\nfrom kfp import dsl\nfrom kfp.dsl import *\nfrom typing import\
+          \ *\n\ndef snowflake_unload_op(\n    output_gcs_path: str,\n    sf_storage_integration:\
+          \ str,\n    query: str,\n    sf_user: str,\n    sf_password: str,\n    sf_account:\
+          \ str,\n    sf_warehouse: str,\n    sf_database: str\n    ) -> str:\n  \
+          \  \"\"\"\n    Run COPY in snowflake to unload data to GCS bucket.\n\n \
+          \   output_gcs_path: the location to land the data\n    sf_storage_integration:\
+          \ the Snowflake Storage Integration name\n    query: the query to execute\
+          \ in the COPY command\n    sf_user: the snowflake username\n    sf_password:\
+          \ the snowflake password\n    sf_warehouse: the snowflake warehouse name\n\
+          \    sf_database: the database to use\n    \"\"\"\n    import snowflake.connector\n\
+          \    conn = snowflake.connector.connect(user=sf_user,\n                \
+          \                       password=sf_password,\n                        \
+          \               account=sf_account,\n                                  \
+          \     role=\"ACCOUNTADMIN\")\n\n    conn.cursor().execute(f\"USE WAREHOUSE\
+          \ {sf_warehouse};\")\n    conn.cursor().execute(f\"USE DATABASE {sf_database};\"\
+          )\n    result = conn.cursor().execute(f\"\"\"\n    COPY INTO 'gcs://{output_gcs_path}'\n\
+          \    FROM ({query})\n    FILE_FORMAT = (TYPE = CSV COMPRESSION=NONE)\n \
+          \   STORAGE_INTEGRATION = {sf_storage_integration}\n    HEADER = TRUE\n\
+          \    \"\"\")\n    _ = result.fetchall()\n    if output_gcs_path.endswith(\"\
+          /\"):\n        return output_gcs_path + \"data_0_0_0.csv\"\n    else:\n\
+          \        return output_gcs_path\n\n"
+        image: python:3.11
+pipelineInfo:
+  name: snowflake-unload-op
+root:
+  dag:
+    outputs:
+      parameters:
+        Output:
+          valueFromParameter:
+            outputParameterKey: Output
+            producerSubtask: snowflake-unload-op
+    tasks:
+      snowflake-unload-op:
+        cachingOptions:
+          enableCache: true
+        componentRef:
+          name: comp-snowflake-unload-op
+        inputs:
+          parameters:
+            output_gcs_path:
+              componentInputParameter: output_gcs_path
+            query:
+              componentInputParameter: query
+            sf_account:
+              componentInputParameter: sf_account
+            sf_database:
+              componentInputParameter: sf_database
+            sf_password:
+              componentInputParameter: sf_password
+            sf_storage_integration:
+              componentInputParameter: sf_storage_integration
+            sf_user:
+              componentInputParameter: sf_user
+            sf_warehouse:
+              componentInputParameter: sf_warehouse
+        taskInfo:
+          name: snowflake-unload-op
+  inputDefinitions:
+    parameters:
+      output_gcs_path:
+        parameterType: STRING
+      query:
+        parameterType: STRING
+      sf_account:
+        parameterType: STRING
+      sf_database:
+        parameterType: STRING
+      sf_password:
+        parameterType: STRING
+      sf_storage_integration:
+        parameterType: STRING
+      sf_user:
+        parameterType: STRING
+      sf_warehouse:
+        parameterType: STRING
+  outputDefinitions:
+    parameters:
+      Output:
+        parameterType: STRING
+schemaVersion: 2.1.0
+sdkVersion: kfp-2.7.0

components/snowflake/snowflake_unload_data.py

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+"""
+This is a KFP component doing "unload data to GCS bucket" operation
+  from the Snowflake database.
+"""
+from kfp import compiler
+from kfp.dsl import component
+
+@component(
+    base_image="python:3.11",
+    packages_to_install=["snowflake-connector-python:3.12.3"]
+)
+def snowflake_unload_op(
+    output_gcs_path: str,
+    sf_storage_integration: str,
+    query: str,
+    sf_user: str,
+    sf_password: str,
+    sf_account: str,
+    sf_warehouse: str,
+    sf_database: str
+    ) -> str:
+    """
+    Run COPY in snowflake to unload data to GCS bucket.
+
+    output_gcs_path: the location to land the data
+    sf_storage_integration: the Snowflake Storage Integration name
+    query: the query to execute in the COPY command
+    sf_user: the snowflake username
+    sf_password: the snowflake password
+    sf_warehouse: the snowflake warehouse name
+    sf_database: the database to use
+    """
+    import snowflake.connector
+    conn = snowflake.connector.connect(user=sf_user,
+                                       password=sf_password,
+                                       account=sf_account,
+                                       role="ACCOUNTADMIN")
+
+    conn.cursor().execute(f"USE WAREHOUSE {sf_warehouse};")
+    conn.cursor().execute(f"USE DATABASE {sf_database};")
+    result = conn.cursor().execute(f"""
+    COPY INTO 'gcs://{output_gcs_path}'
+    FROM ({query})
+    FILE_FORMAT = (TYPE = CSV COMPRESSION=NONE)
+    STORAGE_INTEGRATION = {sf_storage_integration}
+    HEADER = TRUE
+    """)
+    _ = result.fetchall()
+    if output_gcs_path.endswith("/"):
+        return output_gcs_path + "data_0_0_0.csv"
+    else:
+        return output_gcs_path
+
+if __name__ == "__main__":
+    compiler.Compiler().compile(pipeline_func=snowflake_unload_op,
+                                package_path="component.yaml")