There are two distinct emails sent per alert command run: one for failures and one for warnings. If all checkers pass, no email will be sent.
This email was generated from the address specified, and sent to the server specified, in the alert-location configuration.
In the following example email, a failure was generated for a node being offline, but no other cluster issues were identified.
Date: Tue, 27 Oct 2020 21:39:16 +0000 From: email@example.com To: firstname.lastname@example.org Subject: SingleStore DB Cluster Alert: Cluster check failures SingleStore DB cluster cluster_name has generated the following failures: leavesNotOnline ........................ [FAIL] FAIL leaf node on host 127.0.0.1 and port 3308 is offline