From 5bfa355f97e88b01e5f9999da4f2592c989c114a Mon Sep 17 00:00:00 2001 From: "Hahn Axel (hahn)" <axel.hahn@unibe.ch> Date: Wed, 2 Oct 2024 14:20:56 +0200 Subject: [PATCH] update docs --- docs/40_Usage/20_Database.md | 8 +- plugins/localdump/couchdb2.sh_bak | 428 ++++++++++++++++++ .../profiles/mysql_localhost_13306.ini | 44 ++ .../mysql_localhost_docker_13306.ini.example | 4 +- .../localdump/profiles/sqlite_ciserver.ini | 26 ++ 5 files changed, 504 insertions(+), 6 deletions(-) create mode 100755 plugins/localdump/couchdb2.sh_bak create mode 100644 plugins/localdump/profiles/mysql_localhost_13306.ini create mode 100644 plugins/localdump/profiles/sqlite_ciserver.ini diff --git a/docs/40_Usage/20_Database.md b/docs/40_Usage/20_Database.md index 74f8936..805da55 100644 --- a/docs/40_Usage/20_Database.md +++ b/docs/40_Usage/20_Database.md @@ -1,7 +1,7 @@ ## Description To create backup database dumps without transfer of local directory to a backup target use `sudo ./localdump.sh`. -Backup dumps will be stored as gzip files into `/var/iml-backup/[profile]`. +Backup dumps will be stored as gzip files into `/var/iml-backup/<profile>`. ## Help @@ -66,14 +66,14 @@ sudo ./localdump.sh backup mysql ## Structure in the backup folder -In the database dump folder is a subdir per service `/var/iml-backup/[profile]`. +In the database dump folder is a subdir per service `/var/iml-backup/<profile>`. -Below the service folder are files named like the database scheme + `__` + timestamp. +Below the service folder are files named like the `<database scheme>__<timestamp>`. All dumps are gzip compressed. At the end of a backup task with localdump.sh older files older than *keep-days* -will be deleted from `/var/iml-backup/[service]`. +will be deleted from `/var/iml-backup/<profile>`. ### Backup sqlite diff --git a/plugins/localdump/couchdb2.sh_bak b/plugins/localdump/couchdb2.sh_bak new file mode 100755 index 0000000..47a803c --- /dev/null +++ b/plugins/localdump/couchdb2.sh_bak @@ -0,0 +1,428 @@ +#!/bin/bash +# ================================================================================ +# +# LOCALDUMP :: COUCHDB2 - using nodejs tools couchbackup and couchrestore +# https://github.com/cloudant/couchbackup +# +# Backup: +# - creates gzipped plain text backups (JSON) from each scheme +# - write sequence id into a text file +# - store extra file with security infos +# - latest backup set is written to archive +# +# -------------------------------------------------------------------------------- +# ah - Axel Hahn <axel.hahn@iml.unibe.ch> +# ds - Daniel Schueler <daniel.schueler@iml.unibe.ch> +# +# 2019-11-13 ..... v1.0 initial version with backup and restore (single DB) +# 2020-05-19 ..... v1.1 backup a single or multiple couchdb instances by globbing param +# ./localdump.sh backup couchdb2 demo +# 2021-10-11 ..... v1.2 added fastmode in restore: no test connect, do not +# delete DB before create request +# 2022-01-20 v1.3 fixes with shellcheck +# 2022-03-17 v1.4 WIP: add lines with prefix __DB__ +# 2022-04-07 v1.5 check archive file, not only seq file +# 2022-04-14 v1.6 backup security infos (no restore yet) +# 2022-04-21 v1.7 restore security infos +# 2022-10-07 ah v1.8 unescape regex with space to prevent "grep: warning: stray \ before white space" +# 2023-06-06 ah v1.9 show a warning if the sequence id was not fetched +# 2023-06-12 ah v1.10 skip couchdb dump if no sequence id was detected (=db deleted since fetching list of all dbs) +# ================================================================================ + +if [ -z "$BACKUP_TARGETDIR" ]; then + echo "ERROR: you cannot start $(basename "$0") directly" + rc=$rc+1 + exit 1 +fi + +# -------------------------------------------------------------------------------- +# CONFIG +# -------------------------------------------------------------------------------- + +# contains *.config files for each instance +CFGDIR=~/.iml_backup/couchdb2 + +# UNUSED +# dirPythonPackages=/usr/lib/python2.7/site-packages + +ARCHIVE_DIR=$(_j_getvar "${JOBFILE}" dir-dbarchive)/couchdb2 + +# -------------------------------------------------------------------------------- +# FUNCTIONS +# -------------------------------------------------------------------------------- + +# make an couch api request +# param string method ... one of GET|POST|DELETE +# param string relative url, i.e. _all_dbs or _stats +# param string optional: data for POST|PUT requests +function _couchapi(){ + local method=$1 + local apiurl=$2 + # local outfile=$3 + local data=$3 + + sParams= + # sParams="$sParams -u ${couchdbuser}:${couchdbpw}" + sParams="$sParams -X ${method}" + sParams="$sParams ${COUCH_URL}${apiurl}" + # if [ ! -z "$outfile" ]; then + # sParams="$sParams -o ${outfile}" + # fi + if [ -n "$data" ]; then + sParams="$sParams -d ${data}" + fi + curl $sParams 2>/dev/null +} + +function _getDblist(){ + _couchapi GET _all_dbs | sed 's#\"#\n#g' | grep -Ev "^(\[|\,|\])$" | grep -v _replicator | grep -v _global_changes +} + +# get value update_seq of given couchdb name +function _getDbSeq(){ + # _couchapi GET $1 | sed 's#,\"#\n"#g' | egrep -v "^(\[|\,|\])$" | grep update_seq | cut -f 4 -d '"' + _couchapi GET "$1" | sed 's#,\"#\n"#g' | grep -Ev "^(\[|\,|\])$" | grep update_seq | cut -f 4 -d '"' | cut -f 1 -d '-' +} + + +# ---------- CONFIG/ INSTANCES + +# get valid configured instances +function getInstances(){ + for mycfg in $(ls -1 ${CFGDIR}/*${1}*.config) + do + if . "$mycfg"; then + echo $(basename "${mycfg}" | cut -f 1 -d ".") + fi + done +} + + +# load the config of an existing instance +# see getInstances to get valid names +# param string name of the instance to load +function loadInstance(){ + COUCH_URL= + if ! . "${CFGDIR}/${1}.config"; then + color error + echo ERROR: invalid instance: $1 - the config file cannot be sourced + color reset + exit 1 + fi + if [ -z "${COUCH_URL}" ]; then + color error + echo "ERROR: invalid instance: $1 - the config file has no COUCH_URL" + color reset + exit 1 + fi + +} + + +# ---------- BACKUP + +# backup with loop over instances +# param 1 string globbing filter to config files +function doBackup(){ + # for mycfg in `ls -1 ~/.iml_backup/couchdb/*.config` + for COUCHDB_INSTANCE in $(getInstances $1) + do + loadInstance "$COUCHDB_INSTANCE" + + echo "--- instance: $COUCHDB_INSTANCE" + if curl --head -X GET "$COUCH_URL" 2>/dev/null | grep "^HTTP.* 200 "; then + echo OK, connected. + sleep 2 + _doBackupOfSingleInstance + + else + rc=$rc+1 + color error + echo "ERROR: couch DB instance is not available or canot be accessed with these credentials in config file" + # repeat curl to show the error message + curl -X GET "$COUCH_URL" + color reset + fi + + echo + echo "--- $(date) done." + echo + done +} + +# make backup of all databases in a couchdb instance +# global: COUCH_URL +# global: COUCHDB_INSTANCE +function _doBackupOfSingleInstance(){ + + create_targetdir + local ARCHIVE_DIR2="${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/deleted_databases" + for _dir in "${BACKUP_TARGETDIR}/${COUCHDB_INSTANCE}" "${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/seq" "${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/security" \ + "${ARCHIVE_DIR2}" "${ARCHIVE_DIR2}/seq" "${ARCHIVE_DIR2}/security" + do + test -d "$_dir" || (echo "creating $_dir" ; mkdir -p "$_dir" ) + done + + echo + echo " MOVE deleted databases into ${ARCHIVE_DIR2}" + echo + + # get a list of current databases + dblist=/tmp/couch_list_${COUCHDB_INSTANCE}.txt + _getDblist > "$dblist" + ls -l "$dblist" + + # detect deleted databases: + for dumpfile in $( find "${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/" -maxdepth 1 -type f -name "*.couchdbdump.gz" ) + do + dbname=$( basename $dumpfile | sed "s#\.couchdbdump\.gz##g" ) + if ! grep "^${dbname}" "$dblist" >/dev/null; then + SEQFILE=${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/seq/__seq__${dbname} + SECURITYFILE=${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/security/__security__${dbname}.json + echo "DELETED $dbname ... $( ls -l ${dumpfile} | cut -f 5- -d ' ' )" + mv "${dumpfile}" "${ARCHIVE_DIR2}" + mv "${SEQFILE}" "${ARCHIVE_DIR2}/seq/" + mv "${SECURITYFILE}" "${ARCHIVE_DIR2}/security/" + fi + done + # done | tee /tmp/couch_archive_${COUCHDB_INSTANCE}.txt + echo + + typeset -i iDbTotal=$( cat "$dblist" | wc -l ) + typeset -i iDb=0 + typeset -i iDbCount=0 + + echo + echo " DUMP databases of instance ${COUCHDB_INSTANCE}: $iDbTotal databases" + echo " TO BACKUP ${BACKUP_TARGETDIR}/${COUCHDB_INSTANCE}" + echo " ARCHIVE ${ARCHIVE_DIR}/${COUCHDB_INSTANCE}" + echo + + for dbname in $( cat "$dblist" ) + do + iDb=$iDb+1 + echo -n "----- $(date) ${COUCHDB_INSTANCE} -- $iDb of $iDbTotal - ${dbname} - " + OUTFILE=${BACKUP_TARGETDIR}/${COUCHDB_INSTANCE}/$(get_outfile "${dbname}").couchdbdump + ARCHIVFILE=${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/${dbname}.couchdbdump.gz + SEQFILE=${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/seq/__seq__${dbname} + SECURITYFILE=${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/security/__security__${dbname}.json + + sSequenceCurrent=$(_getDbSeq "${dbname}") + sSequenceLast=$(cat "${SEQFILE}" 2>/dev/null | cut -f 1 -d '-') +# sSequenceLast=`cat ${SEQFILE} 2>/dev/null | tr -d '\n'` + + # echo + # echo "update_seq --+-- current [${sSequenceCurrent}]" + # echo " +-- backup [${sSequenceLast}]" + if [ "${sSequenceCurrent}" = "${sSequenceLast}" ] && [ -f "$ARCHIVFILE" ]; then + echo "SKIP: still on sequence ${sSequenceLast}" + + # add security file for already existing databases + test -f "${SECURITYFILE}" || ( + echo "INFO: creating missing security file ${SECURITYFILE}" + _couchapi GET "${dbname}/_security" > "${SECURITYFILE}" + ) + + else + if [ -z "$sSequenceCurrent" ]; then + echo "WARNING: unable to fetch current sequence ID - maybe the database was deleted." + else + echo + echo "update_seq --+-- current [${sSequenceCurrent}]" + echo " +-- backup [${sSequenceLast}]" + echo -n "Need to backup ... " + couchbackup --db "${dbname}" >"${OUTFILE}".progress 2>/dev/null && mv "${OUTFILE}".progress "${OUTFILE}" + fetchrc + + # $myrc is last returncode - set in fetchrc + if [ $myrc -eq 0 ]; then + echo -n "gzip ... " + compress_file "$OUTFILE" + fetchrc + if [ $myrc -eq 0 ]; then + iDbCount+=1 + cp "${OUTFILE}"* "${ARCHIVFILE}" \ + && echo "${sSequenceCurrent}">"${SEQFILE}" \ + && _couchapi GET "${dbname}/_security" > "${SECURITYFILE}" + ls -l "${ARCHIVFILE}" "${SEQFILE}" "${SECURITYFILE}" + fi + else + echo "ERROR occured while dumping - abort" + fi + ls -l "$OUTFILE"* + echo + fi # if [ -z "$sSequenceCurrent" ]; then + fi # if [ "${sSequenceCurrent}" = "${sSequenceLast}" ] ... + done + rm -f "$dblist" + echo "__DB__$SERVICENAME backup INFO: ${COUCHDB_INSTANCE} - backed up $iDbCount dbs of $iDbTotal total" + +} + +# ---------- RESTORE +# +# example: +# +# (1) +# cd /var/iml-archive/couchdb2 +# or +# cd /var/iml-backup/couchdb2 +# +# (2) +# /opt/imlbackup/client/localdump.sh restore couchdb2 measured-preview-couchdbcluster/mydb.couchdbdump.gz axel-01 +# ^ ^ ^ ^ +# | | | | +# action: restore ---------------+ | | | +# database service: couchdb2 ------------+ | | +# filename with instance as relative path --------+ | +# optional: target database --------------------------------------------------------------------------+ +# + +# restore a single backup file; the instance and db name will be detected from file +# param string filename of db dump (full path or relative to BACKUP_TARGETDIR) +# param string optional: target database; default: detect name from import database +function restoreByFile(){ + sMyfile=$1 + dbname=$2 + + bFastMode=0 # 0 = delete db first and import | 1 = create and import (on empty instance only) + + echo + h2 "analyze dump $sMyfile" + + COUCHDB_INSTANCE=$(echo $sMyfile | sed "s#${BACKUP_TARGETDIR}##g" | sed "s#\./##g" | sed "s#^/##g" | cut -f 1 -d "/") + echo "detected COUCHDB_INSTANCE : [${COUCHDB_INSTANCE}]" + if [ -z "$COUCHDB_INSTANCE" ]; then + echo "ERROR: Name of the instance was not detected." + echo " For couchdb restore you should cd to the ${BACKUP_TARGETDIR} or ${ARCHIVE_DIR}" + exit 1 + fi + + local _sourceDB="$( guessDB $sMyfile | sed 's#.couchdbdump.gz$##' )" + echo "detected source database : [${_sourceDB}]" + + if [ -z "$dbname" ]; then + dbname="$_sourceDB" + echo "using the same as target : [${dbname}]" + else + echo "using db schema from param 2: [${dbname}]" + fi + + echo + + loadInstance $COUCHDB_INSTANCE + + if [ $bFastMode -eq 0 ]; then + echo connect $couchdbhost on port $couchdbport with user $couchdbuser + curl --head -X GET $COUCH_URL 2>/dev/null | grep "^HTTP.* 200 " >/dev/null + if [ $? -ne 0 ]; then + color error + echo ERROR: couch DB instance is not available + curl -X GET $COUCH_URL + color reset + exit 1 + fi + color ok + echo OK + color reset + fi + + echo + + # _getDblist | grep "^${dbname}$" + # if [ $? -eq 0 ]; then + # echo DB exists ... need to drop it first + # fi + + if [ $bFastMode -eq 0 ]; then + h2 deleting database [$dbname] ... + color cmd + _couchapi DELETE $dbname + fetchrc + color reset + fi + + h2 creating database [$dbname] ... + color cmd + _couchapi PUT $dbname + fetchrc + color reset + + h2 import file ... + color cmd + zcat ${sMyfile} | couchrestore --db $dbname + fetchrc + color reset + + h2 add security infos ... + # todo: this will fail when restoring from "deleted_databases" folder + SECURITYFILE=${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/security/__security__${_sourceDB}.json + SECDATA="$( cat $SECURITYFILE )" + color cmd + echo "add security data: $SECDATA" + _couchapi PUT "${dbname}/_security" "$SECDATA" + fetchrc + color reset + + echo + +} + +# -------------------------------------------------------------------------------- +# MAIN +# -------------------------------------------------------------------------------- + + +# ----- check requirements + +# --- is a couchd here +# j_requireProcess "couchdb" 1 + +# --- very specific :-/ ... check available config files +ls -1 ${CFGDIR}/* >/dev/null 2>&1 +rc=$rc+$? + + +if [ $rc -eq 0 ]; then + echo OK: couchdb2 config was found on this system ... checking requirements for backup ... + + j_requireBinary "curl" 1 + j_requireBinary "couchbackup" 1 + j_requireBinary "couchrestore" 1 + + #ls ${dirPythonPackages}/couchdb/tools/dump.py ${dirPythonPackages}/couchdb/tools/load.py >/dev/null && echo "OK: python couchdb tools were found" + #rc=$rc+$? + + + if [ $rc -eq 0 ]; then + echo + + if [ "$1" = "restore" ]; then + echo + shift 1 + restoreByFile $* + + else + shift 1 + + # remove keyword ALL which is used for localdump.sh to loop over all db types + test "$1" = "ALL" && shift 1 + + doBackup $* + fi + + else + color error + echo ERROR: Couchdb is here but I am missing things for the backup :-/ + color reset + fi + +else + rc=0 + echo "__DB__$SERVICENAME SKIP: couchdb2 config does not seem to be here" +fi + + +echo "__DB__$SERVICENAME INFO: $0 $* [$SERVICENAME] final returncode rc=$rc" + +# -------------------------------------------------------------------------------- diff --git a/plugins/localdump/profiles/mysql_localhost_13306.ini b/plugins/localdump/profiles/mysql_localhost_13306.ini new file mode 100644 index 0000000..bb2f511 --- /dev/null +++ b/plugins/localdump/profiles/mysql_localhost_13306.ini @@ -0,0 +1,44 @@ +# ====================================================================== +# +# DOCKER MYSQL INSTANCE ON LOCAL EXPOSED PORT +# +# ====================================================================== + +[detect] +# ---------------------------------------------------------------------- +# what to detect +# ---------------------------------------------------------------------- + +binary = 'mysql,mysqldump' + +# a running process that must be found +process = 'mysqld|mariadb' + +# a port that must be open on a given host +tcp-port = 13306 +tcp-target = localhost + +# process that opens a port (see netstat -tulpen) - works for local services only +# "slirp4netns" is docker network stack +# "rootlesskit" is docker too +tcp-process = 'rootlesskit' + + +[set] +# ---------------------------------------------------------------------- +# data to apply if it was found +# ---------------------------------------------------------------------- + +su = '' +dbuser = 'root' +dbpassword = '12345678' + +# not soo nice - these information is seen in the process list +params = '--port={tcp-port} --password={dbpassword} --user={dbuser} --host={tcp-target} --skip-ssl' + +# https://dev.mysql.com/doc/refman/8.0/en/environment-variables.html +# das PW sollte man auch nicht in MYSQL_PWD ablegen +# env = 'export var1="happy meal"; export var2="new"; export var3="year!"' +env = '' + +# ---------------------------------------------------------------------- diff --git a/plugins/localdump/profiles/mysql_localhost_docker_13306.ini.example b/plugins/localdump/profiles/mysql_localhost_docker_13306.ini.example index 3cabdc2..9963ca2 100644 --- a/plugins/localdump/profiles/mysql_localhost_docker_13306.ini.example +++ b/plugins/localdump/profiles/mysql_localhost_docker_13306.ini.example @@ -31,8 +31,8 @@ su = '' dbuser = 'root' dbpassword = '12345678' -# unschön - das ist in der Prozessliste -params = '--port={tcp-port} --password={dbpassword} --user={dbuser} --host={tcp-target}' +# not soo nice - it is visible in the process list +params = '--port={tcp-port} --password={dbpassword} --user={dbuser} --host={tcp-target} --skip-ssl' # https://dev.mysql.com/doc/refman/8.0/en/environment-variables.html env = '' diff --git a/plugins/localdump/profiles/sqlite_ciserver.ini b/plugins/localdump/profiles/sqlite_ciserver.ini new file mode 100644 index 0000000..30f13c5 --- /dev/null +++ b/plugins/localdump/profiles/sqlite_ciserver.ini @@ -0,0 +1,26 @@ +# ====================================================================== +# +# LOCAL SQLITE DATABASES +# +# ====================================================================== + +[detect] +# ---------------------------------------------------------------------- +# what to detect +# ---------------------------------------------------------------------- + +file[] = "/home/axel/data/docker/ciserver/data/imldeployment/data/database/logs.db" +file[] = "/home/axel/data/docker/ciserver/public_html/valuestore/data/versioncache.db" +type = "sqlite" + + +[set] + +su = '' +dbuser = '' +dbpassword = '' + +params = '' +env = '' + +# ---------------------------------------------------------------------- -- GitLab