Comments.

pkg/sidecar/appclone.go

@@ -52,7 +52,7 @@ import (
 // master; bucket URL exists | The assumption is that this is the bootstrap case: the
 //                           | very first mysql pod is being initialized.
 // ------------------------------------------------------------------------------------
-// No healthy replcias; no   | If this is the first pod in the cluster, then allow it
+// No healthy replicas; no   | If this is the first pod in the cluster, then allow it
 // master; no bucket URL     | to initialize as an empty instance, otherwise, return an
 //                           | error to allow k8s to kill and restart the pod.
 // ------------------------------------------------------------------------------------

pkg/sidecar/configs.go

@@ -120,6 +120,7 @@ func (cfg *Config) MysqlDSN() string {
 	)
 }
 
+// IsFirstPodInSet returns true if this pod has an ordinal of 0, meaning it is the first one in the set
 func (cfg *Config) IsFirstPodInSet() bool {
 	ordinal := getOrdinalFromHostname(cfg.Hostname)
 	return ordinal == 0