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fully-managed-snowflake-sink.sh
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fully-managed-snowflake-sink.sh
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#!/bin/bash
set -e
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
source ${DIR}/../../scripts/utils.sh
username=$(whoami)
uppercase_username=$(echo $username | tr '[:lower:]' '[:upper:]')
PLAYGROUND_DB=PG_DB_${uppercase_username}${TAG}
PLAYGROUND_DB=${PLAYGROUND_DB//[-._]/}
PLAYGROUND_WAREHOUSE=PG_WH_${uppercase_username}${TAG}
PLAYGROUND_WAREHOUSE=${PLAYGROUND_WAREHOUSE//[-._]/}
PLAYGROUND_CONNECTOR_ROLE=PG_ROLE_${uppercase_username}${TAG}
PLAYGROUND_CONNECTOR_ROLE=${PLAYGROUND_CONNECTOR_ROLE//[-._]/}
PLAYGROUND_USER=PG_USER_${uppercase_username}${TAG}
PLAYGROUND_USER=${PLAYGROUND_USER//[-._]/}
SNOWFLAKE_ACCOUNT_NAME=${SNOWFLAKE_ACCOUNT_NAME:-$1}
SNOWFLAKE_USERNAME=${SNOWFLAKE_USERNAME:-$2}
SNOWFLAKE_PASSWORD=${SNOWFLAKE_PASSWORD:-$3}
if [ -z "$SNOWFLAKE_ACCOUNT_NAME" ]
then
logerror "SNOWFLAKE_ACCOUNT_NAME is not set. Export it as environment variable or pass it as argument"
exit 1
fi
if [ -z "$SNOWFLAKE_USERNAME" ]
then
logerror "SNOWFLAKE_USERNAME is not set. Export it as environment variable or pass it as argument"
exit 1
fi
if [ -z "$SNOWFLAKE_PASSWORD" ]
then
logerror "SNOWFLAKE_PASSWORD is not set. Export it as environment variable or pass it as argument"
exit 1
fi
bootstrap_ccloud_environment
set +e
playground topic delete --topic test_table
set -e
# https://<account_name>.<region_id>.snowflakecomputing.com:443
SNOWFLAKE_URL="https://$SNOWFLAKE_ACCOUNT_NAME.snowflakecomputing.com"
cd ../../ccloud/fm-snowflake-sink
# using v1 PBE-SHA1-RC4-128, see https://community.snowflake.com/s/article/Private-key-provided-is-invalid-or-not-supported-rsa-key-p8--data-isn-t-an-object-ID
# Create encrypted Private key - keep this safe, do not share!
docker run -u0 --rm -v $PWD:/tmp ${CP_CONNECT_IMAGE}:${CONNECT_TAG} bash -c "openssl genrsa 2048 | openssl pkcs8 -topk8 -inform PEM -v1 PBE-SHA1-RC4-128 -out /tmp/snowflake_key.p8 -passout pass:confluent && chown -R $(id -u $USER):$(id -g $USER) /tmp/"
# Generate public key from private key. You can share your public key.
docker run -u0 --rm -v $PWD:/tmp ${CP_CONNECT_IMAGE}:${CONNECT_TAG} bash -c "openssl rsa -in /tmp/snowflake_key.p8 -pubout -out /tmp/snowflake_key.pub -passin pass:confluent && chown -R $(id -u $USER):$(id -g $USER) /tmp/"
RSA_PUBLIC_KEY=$(grep -v "BEGIN PUBLIC" snowflake_key.pub | grep -v "END PUBLIC"|tr -d '\n')
RSA_PRIVATE_KEY=$(grep -v "BEGIN ENCRYPTED PRIVATE KEY" snowflake_key.p8 | grep -v "END ENCRYPTED PRIVATE KEY"|tr -d '\n')
cd -
log "Create a Snowflake DB"
docker run --quiet --rm -i -e SNOWSQL_PWD="$SNOWFLAKE_PASSWORD" -e RSA_PUBLIC_KEY="$RSA_PUBLIC_KEY" kurron/snowsql --username $SNOWFLAKE_USERNAME -a $SNOWFLAKE_ACCOUNT_NAME << EOF
DROP DATABASE IF EXISTS $PLAYGROUND_DB;
CREATE OR REPLACE DATABASE $PLAYGROUND_DB COMMENT = 'Database for Docker Playground';
EOF
log "Create a Snowflake ROLE"
docker run --quiet --rm -i -e SNOWSQL_PWD="$SNOWFLAKE_PASSWORD" -e RSA_PUBLIC_KEY="$RSA_PUBLIC_KEY" kurron/snowsql --username $SNOWFLAKE_USERNAME -a $SNOWFLAKE_ACCOUNT_NAME << EOF
USE ROLE SECURITYADMIN;
DROP ROLE IF EXISTS $PLAYGROUND_CONNECTOR_ROLE;
CREATE ROLE $PLAYGROUND_CONNECTOR_ROLE;
GRANT USAGE ON DATABASE $PLAYGROUND_DB TO ROLE $PLAYGROUND_CONNECTOR_ROLE;
GRANT USAGE ON DATABASE $PLAYGROUND_DB TO ACCOUNTADMIN;
GRANT USAGE ON SCHEMA $PLAYGROUND_DB.PUBLIC TO ROLE $PLAYGROUND_CONNECTOR_ROLE;
GRANT ALL ON FUTURE TABLES IN SCHEMA $PLAYGROUND_DB.PUBLIC TO $PLAYGROUND_CONNECTOR_ROLE;
GRANT USAGE ON SCHEMA $PLAYGROUND_DB.PUBLIC TO ROLE ACCOUNTADMIN;
GRANT CREATE TABLE ON SCHEMA $PLAYGROUND_DB.PUBLIC TO ROLE $PLAYGROUND_CONNECTOR_ROLE;
GRANT CREATE STAGE ON SCHEMA $PLAYGROUND_DB.PUBLIC TO ROLE $PLAYGROUND_CONNECTOR_ROLE;
GRANT CREATE PIPE ON SCHEMA $PLAYGROUND_DB.PUBLIC TO ROLE $PLAYGROUND_CONNECTOR_ROLE;
EOF
log "Create a Snowflake WAREHOUSE (for admin purpose as KafkaConnect is Serverless)"
docker run --quiet --rm -i -e SNOWSQL_PWD="$SNOWFLAKE_PASSWORD" -e RSA_PUBLIC_KEY="$RSA_PUBLIC_KEY" kurron/snowsql --username $SNOWFLAKE_USERNAME -a $SNOWFLAKE_ACCOUNT_NAME << EOF
USE ROLE SYSADMIN;
CREATE OR REPLACE WAREHOUSE $PLAYGROUND_WAREHOUSE
WAREHOUSE_SIZE = 'XSMALL'
WAREHOUSE_TYPE = 'STANDARD'
AUTO_SUSPEND = 60
AUTO_RESUME = TRUE
MIN_CLUSTER_COUNT = 1
MAX_CLUSTER_COUNT = 1
INITIALLY_SUSPENDED = TRUE
COMMENT = 'Warehouse for Kafka Playground';
GRANT USAGE ON WAREHOUSE $PLAYGROUND_WAREHOUSE TO ROLE $PLAYGROUND_CONNECTOR_ROLE;
EOF
log "Create a Snowflake USER"
docker run --quiet --rm -i -e SNOWSQL_PWD="$SNOWFLAKE_PASSWORD" -e RSA_PUBLIC_KEY="$RSA_PUBLIC_KEY" kurron/snowsql --username $SNOWFLAKE_USERNAME -a $SNOWFLAKE_ACCOUNT_NAME << EOF
USE ROLE USERADMIN;
DROP USER IF EXISTS $PLAYGROUND_USER;
CREATE USER $PLAYGROUND_USER
PASSWORD = 'Password123!'
LOGIN_NAME = $PLAYGROUND_USER
DISPLAY_NAME = $PLAYGROUND_USER
DEFAULT_WAREHOUSE = $PLAYGROUND_WAREHOUSE
DEFAULT_ROLE = $PLAYGROUND_CONNECTOR_ROLE
DEFAULT_NAMESPACE = $PLAYGROUND_DB
MUST_CHANGE_PASSWORD = FALSE
RSA_PUBLIC_KEY="$RSA_PUBLIC_KEY";
USE ROLE SECURITYADMIN;
GRANT ROLE $PLAYGROUND_CONNECTOR_ROLE TO USER $PLAYGROUND_USER;
EOF
docker run --quiet --rm -i -e SNOWSQL_PWD="$SNOWFLAKE_PASSWORD" -e RSA_PUBLIC_KEY="$RSA_PUBLIC_KEY" kurron/snowsql --username $SNOWFLAKE_USERNAME -a $SNOWFLAKE_ACCOUNT_NAME << EOF
USE ROLE SYSADMIN;
GRANT ROLE $PLAYGROUND_CONNECTOR_ROLE TO ROLE ACCOUNTADMIN;
EOF
log "Creating test_table topic in Confluent Cloud (auto.create.topics.enable=false)"
set +e
playground topic create --topic test_table
set -e
log "Sending messages to topic test_table"
playground topic produce -t test_table --nb-messages 3 << 'EOF'
{
"fields": [
{
"name": "u_name",
"type": "string"
},
{
"name": "u_price",
"type": "float"
},
{
"name": "u_quantity",
"type": "int"
}
],
"name": "myrecord",
"type": "record"
}
EOF
connector_name="SnowflakeSink_$USER"
set +e
playground connector delete --connector $connector_name > /dev/null 2>&1
set -e
log "Creating fully managed connector"
playground connector create-or-update --connector $connector_name << EOF
{
"connector.class": "SnowflakeSink",
"name": "$connector_name",
"kafka.auth.mode": "KAFKA_API_KEY",
"kafka.api.key": "$CLOUD_KEY",
"kafka.api.secret": "$CLOUD_SECRET",
"input.data.format": "AVRO",
"topics": "test_table",
"snowflake.url.name": "$SNOWFLAKE_URL",
"snowflake.user.name": "$PLAYGROUND_USER",
"buffer.flush.time" : "10",
"snowflake.private.key":"$RSA_PRIVATE_KEY",
"snowflake.private.key.passphrase": "confluent",
"snowflake.database.name": "$PLAYGROUND_DB",
"snowflake.schema.name":"PUBLIC",
"tasks.max" : "1"
}
EOF
wait_for_ccloud_connector_up $connector_name 180
sleep 120
log "Confirm that the messages were delivered to the Snowflake table (logged as $PLAYGROUND_USER user)"
docker run --quiet --rm -i -e SNOWSQL_PWD='Password123!' -e RSA_PUBLIC_KEY="$RSA_PUBLIC_KEY" kurron/snowsql --username $PLAYGROUND_USER -a $SNOWFLAKE_ACCOUNT_NAME > /tmp/result.log 2>&1 <<-EOF
USE ROLE $PLAYGROUND_CONNECTOR_ROLE;
USE DATABASE $PLAYGROUND_DB;
USE SCHEMA PUBLIC;
USE WAREHOUSE $PLAYGROUND_WAREHOUSE;
SELECT * FROM $PLAYGROUND_DB.PUBLIC.TEST_TABLE;
EOF
cat /tmp/result.log
grep "u_name" /tmp/result.log
log "Do you want to delete the fully managed connector $connector_name ?"
check_if_continue
playground connector delete --connector $connector_name