First public commit

1 files changed, 64 insertions, 0 deletions

diff --git a/internal/handlers/ipxemenu.go b/internal/handlers/ipxemenu.go
new file mode 100644
index 0000000..0ce8a5a
--- /dev/null
+++ b/internal/handlers/ipxemenu.go
@@ -0,0 +1,64 @@
+// Copyright 2018 ThousandEyes Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package handlers
+
+import (
+	"bytes"
+	"fmt"
+	"net/http"
+
+	"github.com/thousandeyes/shoelaces/internal/ipxe"
+)
+
+const menuHeader = "#!ipxe\n" +
+	"chain /poll/1/${netX/mac:hexhyp}\n" +
+	"menu Choose target to boot\n"
+
+const menuFooter = "\n" +
+	"choose target\n" +
+	"echo -n Enter hostname or none:\n" +
+	"read hostname\n" +
+	"set baseurl %s\n" +
+	"# Boot it as intended.\n" +
+	"chain ${target}\n"
+
+// IPXEMenu serves the ipxe menu with list of all available scripts
+func IPXEMenu(w http.ResponseWriter, r *http.Request) {
+	env := envFromRequest(r)
+
+	scripts := ipxe.ScriptList(env)
+	if len(scripts) == 0 {
+		http.Error(w, "No Scripts Found", http.StatusInternalServerError)
+		return
+	}
+
+	var bootItemsBuffer bytes.Buffer
+	//Creates the top portion of the iPXE menu
+	bootItemsBuffer.WriteString(menuHeader)
+	for _, s := range scripts {
+		//Formats the bootable scripts separated by newlines into a single string
+		var desc string
+		if len(s.Env) > 0 {
+			desc = fmt.Sprintf("%s [%s]", s.Name, s.Env)
+		} else {
+			desc = string(s.Name)
+		}
+		bootItem := fmt.Sprintf("item %s%s %s\n", s.Path, s.Name, desc)
+		bootItemsBuffer.WriteString(bootItem)
+	}
+	//Creates the bottom portion of the iPXE menu
+	bootItemsBuffer.WriteString(fmt.Sprintf(menuFooter, env.BaseURL))
+	w.Write(bootItemsBuffer.Bytes())
+}