Refactor tentacle into its own file

Signed-off-by: Blaine Gardner <[email protected]>

cmd/octopus/octopus.go

@@ -3,22 +3,13 @@
 package main
 
 import (
-	"bytes"
 	"flag"
 	"fmt"
 	"log"
 	"os"
 	"strings"
 )
 
-// Each of octopus's tentacles is a remote connection to a host executing the command
-type tentacle struct {
-	host     string
-	hostname string
-	stdout   *bytes.Buffer
-	err      error
-}
-
 func main() {
 	identityFile := flag.String("identity-file", "~/.ssh/id_rsa",
 		"identity file used to authenticate to remote hosts")
@@ -55,17 +46,3 @@ func main() {
 
 	os.Exit(numErrors)
 }
-
-func (t *tentacle) print() error {
-	fmt.Println("-----")
-	fmt.Println(t.hostname)
-	fmt.Printf("-----\n\n")
-	o := strings.TrimRight(t.stdout.String(), "\n")
-	if o != "" {
-		fmt.Printf("%s\n\n", o)
-	}
-	if t.err != nil {
-		fmt.Printf("Error: %v", t.err)
-	}
-	return t.err
-}

cmd/octopus/tentacle.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"strings"
+)
+
+// Each of octopus's tentacles is a remote connection to a host executing the command
+type tentacle struct {
+	hostname string
+	stdout   *bytes.Buffer
+	err      error
+}
+
+func (t *tentacle) print() error {
+	fmt.Println("-----")
+	fmt.Println(t.hostname)
+	fmt.Printf("-----\n\n")
+	o := strings.TrimRight(t.stdout.String(), "\n")
+	if o != "" {
+		fmt.Printf("%s\n\n", o)
+	}
+	if t.err != nil {
+		fmt.Printf("Error: %v\n\n", t.err)
+	}
+	return t.err
+}