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Fix semi sync version upgrade issue for version <8.4.2 to >=8.4.2 #64

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Merged
ArnobKumarSaha merged 3 commits into from
May 30, 2025
Merged

Fix semi sync version upgrade issue for version <8.4.2 to >=8.4.2 #64

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4f7ed23
Fix semi sync version upgrade issue for version <8.4.2 to >=8.4.2
sheikh-arman May 2, 2025
00c417c
refactor
sheikh-arman May 5, 2025
30669b0
comments resolve
sheikh-arman May 29, 2025
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18 changes: 16 additions & 2 deletions scripts/run_semi_sync.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -86,14 +86,28 @@ function install_semiSync_plugin() {
local mysql="$mysql_header --host=$1"

# At first, ensure that the command executes without any error. Then, run the command again and extract the output.
retry 120 ${mysql} -N -e 'SHOW PLUGINS;' | grep semisync
out=$(${mysql} -N -e 'SHOW PLUGINS;' | grep semisync)

retry 120 ${mysql} -N -e 'SHOW PLUGINS;' | grep -E 'semisync_master|semisync_master'
out=$(${mysql} -N -e 'SHOW PLUGINS;' | grep -E 'semisync_master|semisync_master')
replicaStop=0
if [[ -n "$out" ]]; then
log "INFO" "previous version plugin is installed. Uninstalling the plugin..."
retry 120 ${mysql} -e "STOP REPLICA;"
retry 120 ${mysql} -e "UNINSTALL PLUGIN rpl_semi_sync_master;"
retry 120 ${mysql} -e "UNINSTALL PLUGIN rpl_semi_sync_slave;"
replicaStop=1
fi
retry 120 ${mysql} -N -e 'SHOW PLUGINS;' | grep semisync_source
out=$(${mysql} -N -e 'SHOW PLUGINS;' | grep semisync_source)
if [[ -z "$out" ]]; then
log "INFO" "semisync plugin is not installed. Installing the plugin..."
retry 120 ${mysql} -e "INSTALL PLUGIN rpl_semi_sync_source SONAME 'semisync_source.so';"
retry 120 ${mysql} -e "INSTALL PLUGIN rpl_semi_sync_replica SONAME 'semisync_replica.so';"
reading_first_time=1
log "INFO" "semi_sync plugin successfully installed"
if [[ "$replicaStop" == 1 ]]; then
retry 120 ${mysql} -e "START REPLICA;"
fi
else
log "INFO" "Already semi_sync plugin is installed"
fi
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