82 lines
2.4 KiB
Bash
Executable file
82 lines
2.4 KiB
Bash
Executable file
#!/bin/bash
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# Backup Gitea database in a Kubernetes environment
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# Usage: backup-database [OPTIONS] <destination>
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# `gitea dump` is a mess that we should not touch. We write our own backup scripts instead.
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#
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usage() {
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>&2 printf "Usage: %s <destination>\n" "${0}"
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>&2 printf "Options:\n"
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>&2 printf "\t-e \t Specify the environment file to use\n"
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exit "${1:-1}"
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}
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# Get options
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while getopts ":e:" option; do
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case "${option}" in
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e)
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if ! [ -f "${OPTARG}" ]; then
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>&2 printf "Error: Specified environment file does not exist: '%s'.\n" "${OPTARG}"
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elif ! [ -r "${OPTARG}" ]; then
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>&2 printf "Error: Specified environment file is not readable: '%s'.\n" "${OPTARG}"
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fi
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env_file="${OPTARG}"
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;;
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*)
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>&2 printf "Error: Invalid option: '%s'.\n" "${option}"
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usage
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;;
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esac
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done
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shift $(( OPTIND - 1 ))
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# Check arguments.
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if [ $# -ne 1 ]; then
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>&2 printf "Error: You need to specify a destination.\n"
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usage
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elif ! [ -d "${1}" ]; then
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>&2 printf "Error: Specified destination does not exist or is not readable : '%s'.\n" "${1}"
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usage
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else
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destination="${1}"
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fi
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namespace="ix-gitea-2"
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# Retrieve container names
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base_container="$( k3s kubectl get pods --namespace "${namespace}" | cut -f1 -d' ' | grep -E 'gitea-2-[0-9a-z]{10}-[0-9a-z]{5}' )"
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database_container="$( k3s kubectl get pods --namespace "${namespace}" | cut -f1 -d' ' | grep 'gitea-2-cnpg-main-2' )"
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if ! [[ -n "${base_container}" && -n "${database_container}" ]]; then
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>&2 printf "Error: Not all containers could be found.\n"
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exit 2
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fi
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# Abort entire script if any command fails
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set -e
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# Enable maintenance mode
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# Flush queues
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k3s kubectl exec "${base_container}" --namespace "${namespace}" -- gitea manager flush-queues
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# TODO Pause queues
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# Database backup
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# Filename for database backup.
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database_backupfile="gitea-sqlbkp_$( date +'%Y%m%d' ).bak"
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host_database_backupfile="${destination}/${database_backupfile}"
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# Backup the database
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>&2 echo 'Backing up database'
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k3s kubectl exec "${database_container}" --namespace "${namespace}" -- env $(cat "${env_file:=.env}" | xargs) pg_dump 'gitea' -cwv -h 'localhost' -U 'gitea' > "${host_database_backupfile}"
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# Disable maintenance mode
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# TODO Continue queues
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# Double check
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# gitea doctor --all --log-file /tmp/doctor.log
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# TODO
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printf "Done.\n"
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