75 lines
2.3 KiB
Bash
75 lines
2.3 KiB
Bash
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#!/bin/bash
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#
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# Copyright (c) 2023 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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#
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# This script is used create a 2nd instance of postgres on a DX upgrade.
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# It needs the port number as parameter and it should be different from the default.
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DEFAULT_POSTGRESQL_PORT=5432
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POSTGRESQL_PATH=/var/lib/postgresql
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POSTGRESQL_BIN_DIR=$(pg_config --bindir)
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POSTGRESQL_RUNTIME=/var/run/postgresql
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INFO_FILE=/etc/build.info
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if [ -z "$1" ]; then
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echo "Error: Port parameter is missing."
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exit 1
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fi
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PORT="$1"
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# Prevent issues with the default postgres port
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if [ "$PORT" -eq "$DEFAULT_POSTGRESQL_PORT" ]; then
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echo "Error: Port number should be different from the default."
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exit 1
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fi
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cleanup_and_exit() {
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local exit_code="$1"
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local error_message="$2"
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echo "Error: $error_message" >&2
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echo "Please check the error details and take appropriate action for recovery." >&2
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exit "$exit_code"
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}
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SW_VERSION=$(grep -o 'SW_VERSION="[0-9\.]*"' "$INFO_FILE" | cut -d '"' -f 2) ||
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cleanup_and_exit 1 "Failed to get software version"
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POSTGRESQL_DATA_DIR=$POSTGRESQL_PATH/$SW_VERSION
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# Remove existing data directory
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rm -rf "$POSTGRESQL_DATA_DIR" ||
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cleanup_and_exit 1 "Failed to remove existing data directory: $POSTGRESQL_DATA_DIR"
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mkdir -p "$POSTGRESQL_DATA_DIR" ||
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cleanup_and_exit 1 "Failed to create data directory: $POSTGRESQL_DATA_DIR"
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chown postgres "$POSTGRESQL_DATA_DIR" ||
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cleanup_and_exit 1 "Failed to change ownership of data directory: $POSTGRESQL_DATA_DIR"
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sudo -u postgres "$POSTGRESQL_BIN_DIR/initdb" -D "$POSTGRESQL_DATA_DIR" ||
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cleanup_and_exit 1 "Failed to initialize the PostgreSQL database"
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chmod 700 "$POSTGRESQL_DATA_DIR" ||
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cleanup_and_exit 1 "Failed to set permissions for data directory: $POSTGRESQL_DATA_DIR"
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chown postgres "$POSTGRESQL_DATA_DIR" ||
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cleanup_and_exit 1 "Failed to change ownership of data directory: $POSTGRESQL_DATA_DIR"
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mkdir -p "$POSTGRESQL_RUNTIME" ||
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cleanup_and_exit 1 "Failed to create runtime directory: ${POSTGRESQL_RUNTIME}"
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chown postgres "$POSTGRESQL_RUNTIME" ||
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cleanup_and_exit 1 "Failed to change ownership of runtime directory: ${POSTGRESQL_RUNTIME}"
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sudo -u postgres "$POSTGRESQL_BIN_DIR/pg_ctl" -D "$POSTGRESQL_DATA_DIR" -o "-F -p $PORT" start ||
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cleanup_and_exit 1 "Failed to start PostgreSQL"
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exit 0
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