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mysqlcluster: fix the bug about io hang xenon no switch leader #364 #365

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mysqlcluster: fix the bug about io hang xenon no switch leader #364 #365

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6 changes: 5 additions & 1 deletion mysqlcluster/container/mysql.go
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Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,8 @@ func (c *mysql) getLivenessProbe() *corev1.Probe {
Command: []string{
"sh",
"-c",
"if [ -f '/var/lib/mysql/sleep-forever' ] ;then exit 0 ; fi; pgrep mysqld",
"if [ -f '/var/lib/mysql/sleep-forever' ] ;then exit 0 ; fi; " +
"touch /var/lib/mysql/auto.cnf && pgrep mysqld",
},
},
},
Expand All @@ -116,6 +117,9 @@ func (c *mysql) getReadinessProbe() *corev1.Probe {
return &corev1.Probe{
Handler: corev1.Handler{
Exec: &corev1.ExecAction{
/* /var/lib/mysql/sleep-forever is used to prevent mysql's container from exiting.
kubectl exec -it sample-mysql-0 -c mysql -- sh -c 'touch /var/lib/mysql/sleep-forever'
*/
Command: []string{
"sh",
"-c",
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2 changes: 1 addition & 1 deletion mysqlcluster/container/mysql_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,7 @@ func TestGetMysqlLivenessProbe(t *testing.T) {
livenessProbe := &corev1.Probe{
Handler: corev1.Handler{
Exec: &corev1.ExecAction{
Command: []string{"sh", "-c", "if [ -f '/var/lib/mysql/sleep-forever' ] ;then exit 0 ; fi; pgrep mysqld"},
Command: []string{"sh", "-c", "if [ -f '/var/lib/mysql/sleep-forever' ] ;then exit 0 ; fi; touch /var/lib/mysql/auto.cnf && pgrep mysqld"},
},
},
InitialDelaySeconds: 30,
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