populate-accounts-db.yaml

# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# [START gke_populate_jobs_populate_accounts_db_configmap_accounts_schema_config]
# kubectl create configmap accounts-schema-config --from-file=src/accounts-db/initdb/0-accounts-schema.sql --dry-run -o yaml (copy and add below)
# kubectl create configmap accounts-schema-config --from-file=src/accounts-db/initdb/1-load-testdata.sh --dry-run -o yaml (copy and add below)
apiVersion: v1
kind: ConfigMap
metadata:
  name: accounts-schema-config
data:
  wait-to-complete-sidecar.sh: |
    #!/bin/bash
    COUNTER=0
    TARGET=$1
    PROCESS=$2

    echo "Looking for $TARGET"

    sleep 10s # Give 10s to allow processes to start

    # 20 minutes (60 x 10s increments)
    while [ $COUNTER -lt 120 ]; do
        let COUNTER=$COUNTER+1

        IS_RUNNING=$(ps -A | grep "scripts/$TARGET" | grep -v grep)

        if [ "$IS_RUNNING" != "" ]; then
          echo "Attempt # ${COUNTER}: Process not completed, trying again in 10 seconds -- ${IS_RUNNING}"
          sleep 10s
        else
          echo "'${TARGET}' Process Finished, Stopping '${PROCESS}'"
          killall ${PROCESS}
          exit 0
        fi
    done

    echo "Could not determine if the import finished, killing the proxy"
    killall ${PROCESS}
    exit 0

  initialize-database.sh: |
    #!/bin/bash

    COUNTER=0
    SLEEP_TIME=60 # 1 minute
    DB_READY=0 # false
    INIT_SQL_SCRIPT="/scripts/0-accounts-schema.sql"
    TEST_SQL_SCRIPT="/scripts/1-load-testdata.sh"

    HOST=${1:-'127.0.0.1'}
    PORT=${2:-'5432'}
    DB_NAME=${3:-'default'}

    # Initial wait for sql-proxy to catch up
    sleep 20

    while [ $COUNTER -lt 10 ]; do
        let COUNTER=$COUNTER+1

        pg_isready --host=${HOST} --port=${PORT} --dbname=${DB_NAME}

        if [ $? -gt 0 ]; then
            echo "Attempt # ${COUNTER}: Database is not ready, trying again in 1 minute"
            sleep $SLEEP_TIME
        else
            echo "Database is ready to connect"
            let DB_READY=1
            break
        fi
    done

    if [ "${DB_READY}" -eq 1 ]; then
        echo "Running initialization script"
        psql --host=${HOST} --port=${PORT} --dbname=${DB_NAME} -f ${INIT_SQL_SCRIPT}
        if [ $? -gt 0 ]; then
            echo "Problems running the initialization script"
        else
            echo "Run Test Data"
            . ${TEST_SQL_SCRIPT}
        fi
    fi
  0-accounts-schema.sql: |
    /*
     * Copyright 2020, Google LLC.
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     *     http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    CREATE TABLE IF NOT EXISTS users (
      accountid CHAR(10) PRIMARY KEY,
      username VARCHAR(64) UNIQUE NOT NULL,
      passhash BYTEA NOT NULL,
      firstname VARCHAR(64) NOT NULL,
      lastname VARCHAR(64) NOT NULL,
      birthday DATE NOT NULL,
      timezone VARCHAR(8) NOT NULL,
      address VARCHAR(64) NOT NULL,
      state CHAR(2) NOT NULL,
      zip VARCHAR(5) NOT NULL,
      ssn CHAR(11) NOT NULL
    );

    CREATE INDEX IF NOT EXISTS idx_users_accountid ON users (accountid);
    CREATE INDEX IF NOT EXISTS idx_users_username ON users (username);



    CREATE TABLE IF NOT EXISTS contacts (
      username VARCHAR(64) NOT NULL,
      label VARCHAR(128) NOT NULL,
      account_num CHAR(10) NOT NULL,
      routing_num CHAR(9) NOT NULL,
      is_external BOOLEAN NOT NULL,
      FOREIGN KEY (username) REFERENCES users(username)
    );

    CREATE INDEX IF NOT EXISTS idx_contacts_username ON contacts (username);
  1-load-testdata.sh: |
    #!/bin/bash
    # Copyright 2020 Google LLC
    #
    # Licensed under the Apache License, Version 2.0 (the "License");
    # you may not use this file except in compliance with the License.
    # You may obtain a copy of the License at
    #
    #      http://www.apache.org/licenses/LICENSE-2.0
    #
    # Unless required by applicable law or agreed to in writing, software
    # distributed under the License is distributed on an "AS IS" BASIS,
    # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    # See the License for the specific language governing permissions and
    # limitations under the License.

    # Immediately exit if any error occurs during script execution.
    set -o errexit

    # Skip adding data if not enabled
    if [ "$USE_DEMO_DATA" != "True"  ]; then
      echo "no demo users added"
      exit 0
    fi


    # Expected environment variables
    readonly ENV_VARS=(
      "POSTGRES_DB"
      "POSTGRES_USER"
      "LOCAL_ROUTING_NUM"
    )


    add_user() {
      # Usage:  add_user "ACCOUNTID" "USERNAME" "FIRST_NAME"
      echo "adding user: $2"
      psql -X -v ON_ERROR_STOP=1 -v account="$1" -v username="$2" -v firstname="$3" -v passhash="$DEFAULT_PASSHASH" --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
        INSERT INTO users VALUES (:'account', :'username', :'passhash', :'firstname', 'User', '2000-01-01', '-5', 'Bowling Green, New York City', 'NY', '10004', '111-22-3333') ON CONFLICT DO NOTHING;
    EOSQL
    }


    add_external_account() {
      # Usage:  add_external_account "OWNER_USERNAME" "LABEL" "ACCOUNT" "ROUTING"
      echo "user $1 adding contact: $2"
      psql -X -v ON_ERROR_STOP=1 -v username="$1" -v label="$2" -v account="$3" -v routing="$4" --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
        INSERT INTO contacts VALUES (:'username', :'label', :'account', :'routing', 'true') ON CONFLICT DO NOTHING;
    EOSQL
    }


    add_contact() {
      # Usage:  add_contact "OWNER_USERNAME" "CONTACT_LABEL" "CONTACT_ACCOUNT"
      echo "user $1 adding external account: $2"
      psql -X -v ON_ERROR_STOP=1 -v username="$1" -v label="$2" -v account="$3" -v routing="$LOCAL_ROUTING_NUM" --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
        INSERT INTO contacts VALUES (:'username', :'label', :'account', :'routing', 'false') ON CONFLICT DO NOTHING;
    EOSQL
    }


    # Load test data into the database
    create_accounts() {
      # Add demo users.
      add_user "1011226111" "testuser" "Test"
      add_user "1033623433" "alice" "Alice"
      add_user "1055757655" "bob" "Bob"
      add_user "1077441377" "eve" "Eve"

      # Make everyone contacts of each other
      add_contact "testuser" "Alice" "1033623433"
      add_contact "testuser" "Bob" "1055757655"
      add_contact "testuser" "Eve" "1077441377"
      add_contact "alice" "Testuser" "1011226111"
      add_contact "alice" "Bob" "1055757655"
      add_contact "alice" "Eve" "1077441377"
      add_contact "bob" "Testuser" "1011226111"
      add_contact "bob" "Alice" "1033623433"
      add_contact "bob" "Eve" "1077441377"
      add_contact "eve" "Testuser" "1011226111"
      add_contact "eve" "Alice" "1033623433"
      add_contact "eve" "Bob" "1055757655"

      # Add external accounts
      add_external_account "testuser" "External Bank" "9099791699" "808889588"
      add_external_account "alice" "External Bank" "9099791699" "808889588"
      add_external_account "bob" "External Bank" "9099791699" "808889588"
      add_external_account "eve" "External Bank" "9099791699" "808889588"
    }


    main() {
      # Check environment variables are set
      for env_var in ${ENV_VARS[@]}; do
        if [[ -z "${!env_var}" ]]; then
          echo "Error: environment variable '$env_var' not set. Aborting."
          exit 1
        fi
      done

      # A password hash + salt for the demo password 'bankofanthos'
      # Via Python3:  bcrypt.hashpw('bankofanthos'.encode('utf-8'), bcrypt.gensalt()).hex()
      DEFAULT_PASSHASH='\x2432622431322477595638423166664b50667a41524a6b69614d6c5075784847466961636b6d333349595952786d59645a6834435946696f49434943'

      create_accounts
    }


    main

# [END gke_populate_jobs_populate_accounts_db_configmap_accounts_schema_config]
---
# [START gke_populate_jobs_populate_accounts_db_job_populate_accounts_db]
apiVersion: batch/v1
kind: Job
metadata:
  name: populate-accounts-db
spec:
  template:
    spec:
      shareProcessNamespace: true # Important to stop all processes
      serviceAccountName: boa-ksa
      containers:
      - name: sidecar-controller
        image: bash@sha256:e0acf0b8fb59c01b6a2b66de360c86bcad5c3cd114db325155970e6bab9663a0
        command: ['bash', '-c', '. /scripts/wait-to-complete-sidecar.sh "initialize-database.sh" "cloud_sql_proxy"']
        volumeMounts:
        - name: scripts
          mountPath: "/scripts"
          readOnly: true
        resources:
          limits:
            cpu: "200m"
            memory: "100Mi"
      - name: populate-accounts-db
        image: postgres:15-alpine@sha256:ab88acc4edfbd7c728ad0fa741139b6cc830bd85138a40848672b784aab57306
        command: ['bash', '-c','. /scripts/initialize-database.sh 127.0.0.1 5432 accounts-db']
        volumeMounts:
        - name: scripts
          mountPath: "/scripts"
          readOnly: true
        env:
        - name: PGUSER
          valueFrom:
            secretKeyRef:
              name: cloud-sql-admin
              key: username
        - name: PGPASSWORD
          valueFrom:
            secretKeyRef:
              name: cloud-sql-admin
              key: password
        # /start: Required for testing data
        - name: LOCAL_ROUTING_NUM
          valueFrom:
            configMapKeyRef:
              name: environment-config
              key: LOCAL_ROUTING_NUM
        - name: USE_DEMO_DATA
          valueFrom:
            configMapKeyRef:
              name: demo-data-config
              key: USE_DEMO_DATA
        - name: POSTGRES_DB
          value: "accounts-db"
        - name: PGHOSTADDR
          value: "127.0.0.1"
        - name: POSTGRES_USER
          valueFrom:
            secretKeyRef:
              name: cloud-sql-admin
              key: username
        - name: POSTGRES_PASSWORD
          valueFrom:
            secretKeyRef:
              name: cloud-sql-admin
              key: password
      # /end: Required for testing data
      # CloudSQL Proxy
      - name: cloudsql-proxy
        resources:
          limits:
            cpu: "200m"
            memory: "100Mi"
        image: gcr.io/cloudsql-docker/gce-proxy:1.33.5@sha256:04576bc7c5d848b0a4585e6328b3fcaf82bf6ea73bcd64387a29ee9856a57136
        env:
        - name: CONNECTION_NAME
          valueFrom:
            secretKeyRef:
              name: cloud-sql-admin
              key: connectionName
        command: ["/cloud_sql_proxy",
                  "-instances=$(CONNECTION_NAME)=tcp:5432"]
        securityContext:
          runAsNonRoot: true
      volumes:
      - name: scripts
        configMap:
          name: accounts-schema-config
      restartPolicy: Never
  backoffLimit: 4
# [END gke_populate_jobs_populate_accounts_db_job_populate_accounts_db]