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38 lines
1009 B
38 lines
1009 B
#!/usr/bin/env bash |
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### Create a database backup. |
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### |
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### Usage: |
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### $ docker-compose -f <environment>.yml (exec |run --rm) postgres backup |
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set -o errexit |
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set -o pipefail |
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set -o nounset |
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working_dir="$(dirname ${0})" |
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source "${working_dir}/_sourced/constants.sh" |
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source "${working_dir}/_sourced/messages.sh" |
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message_welcome "Backing up the '${POSTGRES_DB}' database..." |
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if [[ "${POSTGRES_USER}" == "postgres" ]]; then |
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message_error "Backing up as 'postgres' user is not supported. Assign 'POSTGRES_USER' env with another one and try again." |
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exit 1 |
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fi |
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export PGHOST="${POSTGRES_HOST}" |
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export PGPORT="${POSTGRES_PORT}" |
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export PGUSER="${POSTGRES_USER}" |
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export PGPASSWORD="${POSTGRES_PASSWORD}" |
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export PGDATABASE="${POSTGRES_DB}" |
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backup_filename="${BACKUP_FILE_PREFIX}_$(date +'%Y_%m_%dT%H_%M_%S').sql.gz" |
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pg_dump | gzip > "${BACKUP_DIR_PATH}/${backup_filename}" |
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message_success "'${POSTGRES_DB}' database backup '${backup_filename}' has been created and placed in '${BACKUP_DIR_PATH}'."
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