32 lines
1.4 KiB
Bash
32 lines
1.4 KiB
Bash
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#!/bin/bash
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# Path to the grastate.dat file
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GRSTATE_FILE="/var/lib/mysql/grastate.dat"
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# Check if the MARIADB_SLAVE environment variable is set
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if [ ! -z "$MARIADB_SLAVE" ]; then
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# If MARIADB_SLAVE is set, this node is a slave, so just run mariadbd (no --wsrep-new-cluster)
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echo "MARIADB_SLAVE environment variable is set. Starting as a slave node."
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exec mariadbd "$@"
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else
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# If grastate.dat exists, check if the cluster has already been bootstrapped
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if [ -f "$GRSTATE_FILE" ]; then
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# Read the value of safe_to_bootstrap from grastate.dat
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SAFE_TO_BOOTSTRAP=$(grep -E "^safe_to_bootstrap" "$GRSTATE_FILE" | cut -d ':' -f 2 | tr -d ' ')
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if [ "$SAFE_TO_BOOTSTRAP" == "1" ]; then
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# Cluster is already bootstrapped, so start mariadbd without --wsrep-new-cluster
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echo "Cluster is already bootstrapped. Starting mariadbd without --wsrep-new-cluster."
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exec mariadbd "$@"
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else
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# Cluster is not bootstrapped, so run mariadbd with --wsrep-new-cluster
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echo "Cluster is not bootstrapped. Bootstrapping the cluster."
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exec mariadbd --wsrep-new-cluster "$@"
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fi
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else
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# If grastate.dat doesn't exist, assume it's a new cluster and bootstrap it
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echo "grastate.dat not found. Bootstrapping the cluster."
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exec mariadbd --wsrep-new-cluster "$@"
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fi
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fi
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