122 lines
4.1 KiB
Bash
Executable File
122 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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set -e
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SCRIPT=$(basename "$0")
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VERSION="1.0.0"
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# Display Help
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Help() {
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echo
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echo "$SCRIPT"
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echo
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echo "Description: Upgrade Postgres Docker container."
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echo "Syntax: $SCRIPT [-c|-s|-t|-i|-V|help]"
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echo "Example: $SCRIPT -c postgres01 -s postgres:12-alpine -t postgres:14-alpine -i /var/tmp/postgres01/20241028094730.sql"
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echo "options:"
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echo " -c Docker container."
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echo " -s Source image version."
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echo " -t Target image version."
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echo " -i Skip export and run import for dump only."
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echo " -V Show $SCRIPT version."
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echo " help Show $SCRIPT manual."
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echo
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}
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# Show help and exit
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if [[ "$1" == "help" ]]; then
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Help
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exit
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fi
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# Process params
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while getopts ":c: :s: :t: :i: :V" opt; do
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case $opt in
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c) CONTAINER="$OPTARG";;
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s) SOURCE_VERSION="$OPTARG";;
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t) TARGET_VERSION="$OPTARG";;
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i) DUMP_FILE="$OPTARG";;
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r) REPLACE='true';;
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V) echo "$SCRIPT version $VERSION"
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exit 0
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;;
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\?) echo "Invalid option -$OPTARG" >&2
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Help
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exit;;
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esac
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done
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# Verify variables
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[[ -z "$CONTAINER" ]] && { echo "Parameter -c|container is empty" ; exit 1; }
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[[ -z "$TARGET_VERSION" ]] && { echo "Parameter -t|target is empty" ; exit 1; }
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# Fallback to default
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SOURCE_VERSION=${SOURCE_VERSION:-"$TARGET_VERSION"}
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# Switch container name with id
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CONTAINER_ID=$(docker ps -f "name=${CONTAINER}$" -q | tail -n1)
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[[ -z "$CONTAINER_ID" ]] && { echo "Container id for $CONTAINER not found." ; exit 1; }
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# Verify the source version is correct
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CURRENT_VERSION=$(docker inspect --format='{{.Config.Image}}' $CONTAINER_ID)
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if [[ "$CURRENT_VERSION" != "$SOURCE_VERSION" ]]; then
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echo "$CONTAINER image is not $SOURCE_VERSION."
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exit 1
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fi
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# Pull the target version image
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echo "Pulling $TARGET_VERSION ..."
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docker pull "$TARGET_VERSION"
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# If file is empty export databases
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if [[ -z "$DUMP_FILE" ]]; then
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TIMESTAMP=$(date +%Y%m%d%H%M%S)
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DUMP_FILE="/var/tmp/$CONTAINER/$TIMESTAMP.sql"
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# Dump all databases
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echo "Dumping all databases from $CONTAINER to $DUMP_FILE ..."
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mkdir -p "/var/tmp/$CONTAINER"
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docker exec $CONTAINER_ID /bin/bash -c "pg_dumpall -U \$POSTGRES_USER $DATABASE" > "$DUMP_FILE"
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# Stop and remove the container and volumes
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VOLUME_NAMES=$(docker inspect --format '{{ range .Mounts }}{{ .Name }} {{ end }} ' $CONTAINER_ID)
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echo "Stopping and removing container $CONTAINER and volumes ${VOLUME_NAMES}: ..."
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read -p "Woul you like to proceed with the deletion? [y/n] "
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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docker stop $CONTAINER_ID
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docker rm $CONTAINER_ID
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docker volume rm $VOLUME_NAMES
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else
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echo "Exiting script. Please restart the script."
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exit
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fi
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# Halt the script and wait for new container to be deployed
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echo "Please deploy the new container with name $CONTAINER and image $TARGET_VERSION."
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read -p "Is the new container deployed and running? [y/n] "
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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echo "Continuing with database import."
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else
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echo "Exiting script. Please restart the script:"
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echo "docker-compose-upgrade -c $CONTAINER -s $SOURCE_VERSION -t $TARGET_VERSION -i $DUMP_FILE"
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exit
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fi
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fi
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# Import all databases
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echo "Importing all databases from $DUMP_FILE to $CONTAINER"
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cat $DUMP_FILE | docker exec -i "$CONTAINER" /bin/bash -c "psql -U \$POSTGRES_USER"
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# Ensure access works
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POSTGRES_USER=$(docker exec $CONTAINER bash -c "echo \$POSTGRES_USER")
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echo "Reset $POSTGRES_USER password for $CONTAINER ..."
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POSTGRES_PASSWORD=$(docker exec $CONTAINER bash -c "echo \$POSTGRES_PASSWORD")
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docker exec $CONTAINER /bin/bash -c "psql -U \$POSTGRES_USER -c \"ALTER USER $POSTGRES_USER WITH PASSWORD '$POSTGRES_PASSWORD';\""
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# echo "Grant all privileges for $POSTGRES_USER onto $DATABASES ..."
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# DATABASES=$(docker-postgres-list -c "$CONTAINER")
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# for DATABASE in $DATABASES; do
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# docker exec $CONTAINER /bin/bash -c "psql -U \$POSTGRES_USER -c \"GRANT ALL PRIVILEGES ON DATABASE \\\"$DATABASE\\\" TO $POSTGRES_USER;\""
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# done
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