move health check to separate client binary

1 files changed, 29 insertions, 0 deletions

diff --git a/internal/clients/healthclient.go b/internal/clients/healthclient.go
index e2c8ccb..ac1dc20 100644
--- a/internal/clients/healthclient.go
+++ b/internal/clients/healthclient.go
@@ -1,6 +1,8 @@
 package clients
 
 import (
+	"context"
+	"fmt"
 	"runtime"
 
 	"github.com/mimecast/dtail/internal/clients/handlers"
@@ -42,3 +44,30 @@ func (c HealthClient) makeCommands() (commands []string) {
 	commands = append(commands, "health")
 	return
 }
+
+func (c *HealthClient) Start(ctx context.Context, statsCh <-chan string) int {
+	status := c.baseClient.Start(ctx, statsCh)
+
+	switch status {
+	case 0:
+		if c.Serverless {
+			fmt.Printf("WARNING: All seems fine but the check only run in serverless mode, please specify a remote server via --server hostname:port\n")
+			return 1
+		}
+		fmt.Printf("OK: All fine at %s :-)\n", c.ServersStr)
+	case 2:
+		if c.Serverless {
+			fmt.Printf("CRITICAL: DTail server not operating properly (using serverless connction)!\n")
+			return 2
+		}
+		fmt.Printf("CRITICAL: DTail server not operating properly at %s!\n", c.ServersStr)
+	default:
+		if c.Serverless {
+			fmt.Printf("UNKNOWN: Received unknown status code %d (using serverless connection)\n", status)
+			return status
+		}
+		fmt.Printf("UNKNOWN: Received unknown status code %d from %s!\n", status, c.ServersStr)
+	}
+
+	return status
+}