41 lines
884 B
Bash
Executable File
41 lines
884 B
Bash
Executable File
#!/bin/bash
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set -e
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# Get script name
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SCRIPT=$(basename "$0")
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# Display Help
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Help() {
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echo
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echo "$SCRIPT"
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echo
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echo "Description: List all databases in Postgres Docker container."
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echo "Syntax: $SCRIPT [-c|help]"
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echo "Example: $SCRIPT -c postgres01"
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echo "options:"
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echo " -c Docker container. Defaults to 'postgres'."
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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:" opt; do
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case $opt in
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c) CONTAINER="$OPTARG";;
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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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# Fallback to environment vars and default values
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: ${CONTAINER:='postgres'}
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docker exec "$CONTAINER" /bin/bash -c "psql postgresql://\$POSTGRES_USER:\$POSTGRES_PASSWORD@\$HOSTNAME:5432/postgres -tAc 'SELECT datname FROM pg_database;'"
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