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1a10f9613f
* Add service which locks database tables Add an additional service which helds a lock on all database tables. This allows to safely snapshot the database files. * Lock database during snapshot operation Fixes: #1353 * Update config.json * Update CHANGELOG.md Co-authored-by: Pascal Vizeli <pvizeli@syshack.ch>
29 lines
757 B
Plaintext
Executable File
29 lines
757 B
Plaintext
Executable File
#!/usr/bin/with-contenv bashio
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# ==============================================================================
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# Start MariaDB client to lock tables (for snapshots)
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# ==============================================================================
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bashio::log.info "Lock tables using mariadb client..."
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exec 4> >(mariadb)
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MARIADB_PID=$!
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echo "FLUSH TABLES WITH READ LOCK;" >&4
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# Notify s6 about successful service start
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echo "" >&3
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bashio::log.info "MariaDB tables locked."
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# Register stop
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function stop_mariadb_client() {
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echo "UNLOCK TABLES;" >&4
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bashio::log.info "MariaDB tables unlocked."
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exec 4>&-
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# Successful exit, avoid wait exit status to propagate
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exit 0
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}
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trap "stop_mariadb_client" SIGTERM SIGHUP
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wait "${MARIADB_PID}"
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