diff options
Diffstat (limited to 'internal/handlers/ipxemenu.go')
-rw-r--r-- | internal/handlers/ipxemenu.go | 64 |
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()) +} |