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Merge pull request #64 from Sybrand/mariadb
MariaDB support
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| Original file line number | Diff line number | Diff line change |
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| from registry.fedoraproject.org/f31/mariadb | ||
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| # Change timezone to PST for convenience | ||
| ENV TZ=PST8PDT | ||
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| # Set the workdir to be root | ||
| WORKDIR / | ||
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| # Load the backup scripts into the container (must be executable). | ||
| COPY backup.* / | ||
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| COPY webhook-template.json / | ||
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| # ======================================================================================================== | ||
| # Install go-crond (from https://github.com/BCDevOps/go-crond) | ||
| # - Adds some additional logging enhancements on top of the upstream project; | ||
| # https://github.com/webdevops/go-crond | ||
| # | ||
| # CRON Jobs in OpenShift: | ||
| # - https://blog.danman.eu/cron-jobs-in-openshift/ | ||
| # -------------------------------------------------------------------------------------------------------- | ||
| ARG SOURCE_REPO=BCDevOps | ||
| ARG GOCROND_VERSION=0.6.3 | ||
| ADD https://github.com/$SOURCE_REPO/go-crond/releases/download/$GOCROND_VERSION/go-crond-64-linux /usr/bin/go-crond | ||
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| USER root | ||
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| RUN chmod ug+x /usr/bin/go-crond | ||
| # ======================================================================================================== | ||
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| # ======================================================================================================== | ||
| # Perform operations that require root privilages here ... | ||
| # -------------------------------------------------------------------------------------------------------- | ||
| RUN echo $TZ > /etc/timezone | ||
| # ======================================================================================================== | ||
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| # Important - Reset to the base image's user account. | ||
| USER 26 | ||
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| # Set the default CMD. | ||
| CMD sh /backup.sh |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,218 @@ | ||
| #!/bin/bash | ||
| # ================================================================================================================= | ||
| # MariaDB Backup and Restore Functions: | ||
| # - Dynamically loaded as a plug-in | ||
| # - Refer to existing plug-ins for implementation examples. | ||
| # ----------------------------------------------------------------------------------------------------------------- | ||
| export serverDataDirectory="/var/lib/mysql/data" | ||
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| function onBackupDatabase(){ | ||
| ( | ||
| local OPTIND | ||
| local unset flags | ||
| while getopts : FLAG; do | ||
| case $FLAG in | ||
| ? ) flags+="-${OPTARG} ";; | ||
| esac | ||
| done | ||
| shift $((OPTIND-1)) | ||
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| _databaseSpec=${1} | ||
| _backupFile=${2} | ||
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| _hostname=$(getHostname ${_databaseSpec}) | ||
| _database=$(getDatabaseName ${_databaseSpec}) | ||
| _port=$(getPort ${_databaseSpec}) | ||
| _portArg=${_port:+"-P ${_port}"} | ||
| _username=$(getUsername ${_databaseSpec}) | ||
| _password=$(getPassword ${_databaseSpec}) | ||
| echoGreen "Backing up '${_hostname}${_port:+:${_port}}${_database:+/${_database}}' to '${_backupFile}' ..." | ||
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| MYSQL_PWD=${_password} mysqldump -h "${_hostname}" -u "${_username}" ${_portArg} "${_database}" | gzip > ${_backupFile} | ||
| return ${?} | ||
| ) | ||
| } | ||
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| function onRestoreDatabase(){ | ||
| ( | ||
| local OPTIND | ||
| local unset flags | ||
| while getopts : FLAG; do | ||
| case $FLAG in | ||
| ? ) flags+="-${OPTARG} ";; | ||
| esac | ||
| done | ||
| shift $((OPTIND-1)) | ||
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| _databaseSpec=${1} | ||
| _fileName=${2} | ||
| _adminPassword=${3} | ||
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| _hostname=$(getHostname ${flags} ${_databaseSpec}) | ||
| _database=$(getDatabaseName ${_databaseSpec}) | ||
| _port=$(getPort ${flags} ${_databaseSpec}) | ||
| _portArg=${_port:+"-P ${_port}"} | ||
| _username=$(getUsername ${_databaseSpec}) | ||
| _password=$(getPassword ${_databaseSpec}) | ||
| echo -e "Restoring '${_fileName}' to '${_hostname}${_port:+:${_port}}${_database:+/${_database}}' ...\n" >&2 | ||
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| # Restore | ||
| gunzip -c "${_fileName}" | MYSQL_PWD=${_password} mysql -h ${_hostname} -u ${_username} ${_portArg} ${_database} | ||
| _rtnCd=${PIPESTATUS[1]} | ||
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| return ${_rtnCd} | ||
| ) | ||
| } | ||
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| function onStartServer(){ | ||
| ( | ||
| local OPTIND | ||
| local unset flags | ||
| while getopts : FLAG; do | ||
| case $FLAG in | ||
| ? ) flags+="-${OPTARG} ";; | ||
| esac | ||
| done | ||
| shift $((OPTIND-1)) | ||
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| _databaseSpec=${1} | ||
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| # Start a local MariaDB instance | ||
| MYSQL_USER=$(getUsername "${_databaseSpec}") \ | ||
| MYSQL_PASSWORD=$(getPassword "${_databaseSpec}") \ | ||
| MYSQL_DATABASE=$(getDatabaseName "${_databaseSpec}") \ | ||
| MYSQL_ROOT_PASSWORD=$(getPassword "${_databaseSpec}") \ | ||
| run-mysqld >/dev/null 2>&1 & | ||
| ) | ||
| } | ||
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| function onStopServer(){ | ||
| ( | ||
| local OPTIND | ||
| local unset flags | ||
| while getopts : FLAG; do | ||
| case $FLAG in | ||
| ? ) flags+="-${OPTARG} ";; | ||
| esac | ||
| done | ||
| shift $((OPTIND-1)) | ||
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| mysqladmin --defaults-file=${MYSQL_DEFAULTS_FILE:-/etc/my.cnf} -u root --socket=/var/lib/mysql/mysql.sock flush-privileges shutdown | ||
| ) | ||
| } | ||
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| function onCleanup(){ | ||
| ( | ||
| if ! dirIsEmpty ${serverDataDirectory}; then | ||
| # Delete the database files and configuration | ||
| echo -e "Cleaning up ...\n" >&2 | ||
| rm -rf ${serverDataDirectory}/* | ||
| else | ||
| echo -e "Already clean ...\n" >&2 | ||
| fi | ||
| ) | ||
| } | ||
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| function onPingDbServer(){ | ||
| ( | ||
| local OPTIND | ||
| local unset flags | ||
| while getopts : FLAG; do | ||
| case $FLAG in | ||
| ? ) flags+="-${OPTARG} ";; | ||
| esac | ||
| done | ||
| shift $((OPTIND-1)) | ||
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| _databaseSpec=${1} | ||
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| _hostname=$(getHostname ${flags} ${_databaseSpec}) | ||
| _database=$(getDatabaseName ${_databaseSpec}) | ||
| _port=$(getPort ${flags} ${_databaseSpec}) | ||
| _portArg=${_port:+"-P ${_port}"} | ||
| _username=$(getUsername ${_databaseSpec}) | ||
| _password=$(getPassword ${_databaseSpec}) | ||
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| if MYSQL_PWD=${_password} mysql -h ${_hostname} -u ${_username} ${_portArg} ${_database} -e "SELECT 1;" >/dev/null 2>&1; then | ||
| return 0 | ||
| else | ||
| return 1 | ||
| fi | ||
| ) | ||
| } | ||
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| function onVerifyBackup(){ | ||
| ( | ||
| local OPTIND | ||
| local unset flags | ||
| while getopts : FLAG; do | ||
| case $FLAG in | ||
| ? ) flags+="-${OPTARG} ";; | ||
| esac | ||
| done | ||
| shift $((OPTIND-1)) | ||
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| _databaseSpec=${1} | ||
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| _hostname=$(getHostname -l ${_databaseSpec}) | ||
| _database=$(getDatabaseName ${_databaseSpec}) | ||
| _port=$(getPort -l ${_databaseSpec}) | ||
| _portArg=${_port:+"-P ${_port}"} | ||
| _username=$(getUsername ${_databaseSpec}) | ||
| _password=$(getPassword ${_databaseSpec}) | ||
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| debugMsg "backup.mariadb.plugin - onVerifyBackup" | ||
| tables=$(MYSQL_PWD=${_password} mysql -h "${_hostname}" -u "${_username}" ${_portArg} "${_database}" -e "SHOW TABLES;") | ||
| rtnCd=${?} | ||
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| # Get the size of the restored database | ||
| if (( ${rtnCd} == 0 )); then | ||
| size=$(getDbSize -l "${_databaseSpec}") | ||
| rtnCd=${?} | ||
| fi | ||
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| if (( ${rtnCd} == 0 )); then | ||
| numResults=$(echo "${tables}"| wc -l) | ||
| if [[ ! -z "${tables}" ]] && (( numResults >= 1 )); then | ||
| # All good | ||
| verificationLog="\nThe restored database contained ${numResults} tables, and is ${size} in size." | ||
| else | ||
| # Not so good | ||
| verificationLog="\nNo tables were found in the restored database." | ||
| rtnCd="3" | ||
| fi | ||
| fi | ||
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| echo ${verificationLog} | ||
| return ${rtnCd} | ||
| ) | ||
| } | ||
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| function onGetDbSize(){ | ||
| ( | ||
| local OPTIND | ||
| local unset flags | ||
| while getopts : FLAG; do | ||
| case $FLAG in | ||
| ? ) flags+="-${OPTARG} ";; | ||
| esac | ||
| done | ||
| shift $((OPTIND-1)) | ||
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| _databaseSpec=${1} | ||
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| _hostname=$(getHostname ${flags} ${_databaseSpec}) | ||
| _database=$(getDatabaseName ${_databaseSpec}) | ||
| _port=$(getPort ${flags} ${_databaseSpec}) | ||
| _portArg=${_port:+"-P ${_port}"} | ||
| _username=$(getUsername ${_databaseSpec}) | ||
| _password=$(getPassword ${_databaseSpec}) | ||
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| MYSQL_PWD=${_password} mysql -h "${_hostname}" -u "${_username}" ${_portArg} "${_database}" -e "SELECT ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) AS \"size in mb\" FROM information_schema.tables WHERE table_schema=\"${_database}\" GROUP BY table_schema;" | ||
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| echo ${size} | ||
| return ${rtnCd} | ||
| ) | ||
| } | ||
| # ================================================================================================================= |
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