use bash -c for the probes to work properly

Author: gkech

internal/patroni/reconcile.go

@@ -149,7 +149,7 @@ func instanceProbes(cluster *v1beta1.PostgresCluster, container *corev1.Containe
 	container.LivenessProbe = probeTiming(cluster.Spec.Patroni)
 	container.LivenessProbe.InitialDelaySeconds = 3
 	container.LivenessProbe.Exec = &corev1.ExecAction{
-		Command: []string{"/usr/local/bin/postgres-liveness-check.sh"},
+		Command: []string{"bash", "-c", "/usr/local/bin/postgres-liveness-check.sh"},
 	}
 
 	// Readiness is reflected in the controlling object's status (e.g. ReadyReplicas)
@@ -160,7 +160,7 @@ func instanceProbes(cluster *v1beta1.PostgresCluster, container *corev1.Containe
 	container.ReadinessProbe = probeTiming(cluster.Spec.Patroni)
 	container.ReadinessProbe.InitialDelaySeconds = 3
 	container.ReadinessProbe.Exec = &corev1.ExecAction{
-		Command: []string{"/usr/local/bin/postgres-readiness-check.sh"},
+		Command: []string{"bash", "-c", "/usr/local/bin/postgres-readiness-check.sh"},
 	}
 }
 

internal/patroni/reconcile_test.go

@@ -178,6 +178,8 @@ containers:
   livenessProbe:
     exec:
       command:
+      - bash
+      - -c
       - /usr/local/bin/postgres-liveness-check.sh
     failureThreshold: 3
     initialDelaySeconds: 3
@@ -188,6 +190,8 @@ containers:
   readinessProbe:
     exec:
       command:
+      - bash
+      - -c
       - /usr/local/bin/postgres-readiness-check.sh
     failureThreshold: 3
     initialDelaySeconds: 3