fix: ensure we setup BMC info *after* disk wiping

This PR changes the order of operations so that the BMC gets setup after
the disk wipes occur. This lets us avoid an issue where we could
accidentally power off the box during wiping.

Signed-off-by: Spencer Smith <spencer.smith@talos-systems.com>

app/sidero-controller-manager/cmd/agent/main.go

@@ -260,26 +260,6 @@ func mainFunc() error {
 
 	log.Println("Registration complete")
 
-	if createResp.GetSetupBmc() {
-		log.Println("Attempting to automatically discover and configure BMC")
-
-		// Attempt to discover the BMC IP
-		// nb: we don't consider failure to get BMC info a hard failure
-		//     users can always patch the bmc info to the server themselves.
-		err := attemptBMCIP(ctx, client, s)
-		if err != nil {
-			log.Printf("encountered error discovering BMC IP. skipping setup: %q", err.Error())
-		} else {
-			// Attempt to add sidero user to BMC only if we discovered the IP
-			// nb: we don't consider failure to get BMC info a hard failure.
-			//     users can always patch the bmc info to the server themselves.
-			err = attemptBMCUserSetup(ctx, client, s)
-			if err != nil {
-				log.Printf("encountered error setting up BMC user. skipping setup: %q", err.Error())
-			}
-		}
-	}
-
 	ips, err := talosnet.IPAddrs()
 	if err != nil {
 		log.Println("failed to discover IPs")
@@ -384,6 +364,26 @@ func mainFunc() error {
 		log.Println("Wipe complete")
 	}
 
+	if createResp.GetSetupBmc() {
+		log.Println("Attempting to automatically discover and configure BMC")
+
+		// Attempt to discover the BMC IP
+		// nb: we don't consider failure to get BMC info a hard failure
+		//     users can always patch the bmc info to the server themselves.
+		err := attemptBMCIP(ctx, client, s)
+		if err != nil {
+			log.Printf("encountered error discovering BMC IP. skipping setup: %q", err.Error())
+		} else {
+			// Attempt to add sidero user to BMC only if we discovered the IP
+			// nb: we don't consider failure to get BMC info a hard failure.
+			//     users can always patch the bmc info to the server themselves.
+			err = attemptBMCUserSetup(ctx, client, s)
+			if err != nil {
+				log.Printf("encountered error setting up BMC user. skipping setup: %q", err.Error())
+			}
+		}
+	}
+
 	return nil
 }