119 lines
4.7 KiB
Bash
119 lines
4.7 KiB
Bash
#!/bin/bash
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# shellcheck disable=SC2034,SC2317,SC2155
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#######################################################################
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# Dump a single file of all PostgreSQL databases
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#
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# Arguments: <none>
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#######################################################################
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dump_postgresql_global() {
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local dump_dir="${LOCAL_BACKUP_DIR}/postgresql-global"
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local errors_dir=$(errors_dir_from_dump_dir "${dump_dir}")
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rm -rf "${dump_dir}" "${errors_dir}"
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mkdir -p "${dump_dir}" "${errors_dir}"
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# No need to change recursively, the top directory is enough
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chmod 700 "${dump_dir}" "${errors_dir}"
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## example with pg_dumpall and with compression
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local error_file="${errors_dir}/pg_dumpall.err"
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local dump_file="${dump_dir}/pg_dumpall.sql.gz"
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log "LOCAL_TASKS - ${FUNCNAME[0]}: start ${dump_file}"
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(sudo -u postgres pg_dumpall) 2> "${error_file}" | gzip --best > "${dump_file}"
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local last_rc=$?
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# shellcheck disable=SC2086
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if [ ${last_rc} -ne 0 ]; then
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log_error "LOCAL_TASKS - ${FUNCNAME[0]}: pg_dumpall to ${dump_file} returned an error ${last_rc}" "${error_file}"
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GLOBAL_RC=${E_DUMPFAILED}
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else
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rm -f "${error_file}"
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fi
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log "LOCAL_TASKS - ${FUNCNAME[0]}: stop ${dump_file}"
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## example with pg_dumpall and without compression
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## WARNING: you need space in ~postgres
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# local error_file="${errors_dir}/pg_dumpall.err"
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# local dump_file="${dump_dir}/pg_dumpall.sql"
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# log "LOCAL_TASKS - ${FUNCNAME[0]}: start ${dump_file}"
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#
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# (su - postgres -c "pg_dumpall > ~/pg.dump.bak") 2> "${error_file}"
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# mv ~postgres/pg.dump.bak "${dump_file}"
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#
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# log "LOCAL_TASKS - ${FUNCNAME[0]}: stop ${dump_file}"
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}
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#######################################################################
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# Dump a compressed file per database
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#
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# Arguments: <none>
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#######################################################################
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dump_postgresql_per_base() {
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local dump_dir="${LOCAL_BACKUP_DIR}/postgresql-per-base"
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local errors_dir=$(errors_dir_from_dump_dir "${dump_dir}")
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rm -rf "${dump_dir}" "${errors_dir}"
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mkdir -p "${dump_dir}" "${errors_dir}"
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# No need to change recursively, the top directory is enough
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chmod 700 "${dump_dir}" "${errors_dir}"
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(
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# shellcheck disable=SC2164
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cd /var/lib/postgresql
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databases=$(sudo -u postgres psql -U postgres -lt | awk -F\| '{print $1}' | grep -v "template.*")
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for database in ${databases} ; do
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local error_file="${errors_dir}/${database}.err"
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local dump_file="${dump_dir}/${database}.sql.gz"
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log "LOCAL_TASKS - ${FUNCNAME[0]}: start ${dump_file}"
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(sudo -u postgres /usr/bin/pg_dump --create -U postgres -d "${database}") 2> "${error_file}" | gzip --best > "${dump_file}"
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local last_rc=$?
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# shellcheck disable=SC2086
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if [ ${last_rc} -ne 0 ]; then
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log_error "LOCAL_TASKS - ${FUNCNAME[0]}: pg_dump to ${dump_file} returned an error ${last_rc}" "${error_file}"
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GLOBAL_RC=${E_DUMPFAILED}
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else
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rm -f "${error_file}"
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fi
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log "LOCAL_TASKS - ${FUNCNAME[0]}: stop ${dump_file}"
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done
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)
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}
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#######################################################################
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# Dump a compressed file per database
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#
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# Arguments: <none>
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#
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# TODO: add arguments to include/exclude tables
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#######################################################################
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dump_postgresql_filtered() {
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local dump_dir="${LOCAL_BACKUP_DIR}/postgresql-filtered"
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local errors_dir=$(errors_dir_from_dump_dir "${dump_dir}")
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rm -rf "${dump_dir}" "${errors_dir}"
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mkdir -p "${dump_dir}" "${errors_dir}"
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# No need to change recursively, the top directory is enough
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chmod 700 "${dump_dir}" "${errors_dir}"
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local error_file="${errors_dir}/pg-backup.err"
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local dump_file="${dump_dir}/pg-backup.tar"
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log "LOCAL_TASKS - ${FUNCNAME[0]}: start ${dump_file}"
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## example with all tables from MYBASE excepts TABLE1 and TABLE2
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# pg_dump -p 5432 -h 127.0.0.1 -U USER --clean -F t --inserts -f "${dump_file}" -t 'TABLE1' -t 'TABLE2' MYBASE 2> "${error_file}"
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## example with only TABLE1 and TABLE2 from MYBASE
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# pg_dump -p 5432 -h 127.0.0.1 -U USER --clean -F t --inserts -f "${dump_file}" -T 'TABLE1' -T 'TABLE2' MYBASE 2> "${error_file}"
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local last_rc=$?
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# shellcheck disable=SC2086
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if [ ${last_rc} -ne 0 ]; then
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log_error "LOCAL_TASKS - ${FUNCNAME[0]}: pg_dump to ${dump_file} returned an error ${last_rc}" "${error_file}"
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GLOBAL_RC=${E_DUMPFAILED}
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else
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rm -f "${error_file}"
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fi
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log "LOCAL_TASKS - ${FUNCNAME[0]}: stop ${dump_file}"
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}
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