code review 4172056: gobuilder: add -package flag to build external packages

misc/dashboard/builder/http.go

 package main
 
 import (
         "bytes"
         "encoding/base64"
         "encoding/binary"
         "fmt"
         "http"
+        "json"
+        "log"
         "os"
+        "strconv"

[rsc, 2011/02/23 17:07:37]

|sort

         "regexp"
 )
 
 // getHighWater returns the current highwater revision hash for this builder
 func (b *Builder) getHighWater() (rev string, err os.Error) {
         url := fmt.Sprintf("http://%s/hw-get?builder=%s", *dashboard, b.name)
         r, _, err := http.Get(url)
         if err != nil {
                 return
         }
@@ skipping 36 matching lines @@
         }
         b64.Close()
         return httpCommand("benchmarks", map[string]string{
                 "builder":       b.name,
                 "key":           b.key,
                 "node":          c.node,
                 "benchmarkdata": buf.String(),
         })
 }
 
+// getPackages fetches a list of package paths from the dashboard
+func getPackages() (pkgs []string, err os.Error) {
+        r, _, err := http.Get(fmt.Sprintf("http://%v/package?fmt=json", *dashboard))
+        if err != nil {
+                return
+        }
+        defer r.Body.Close()
+        d := json.NewDecoder(r.Body)
+        var resp struct {
+                Packages []struct {
+                        Path string
+                }
+        }
+        if err = d.Decode(&resp); err != nil {
+                return
+        }
+        for _, p := range resp.Packages {
+                pkgs = append(pkgs, p.Path)
+        }
+        return
+}
+
+// updatePackage sends package build results and info to the dashboard
+func (b *Builder) updatePackage(pkg string, state bool, buildLog, info string, c Commit) os.Error {
+        args := map[string]string{
+                "builder": b.name,
+                "key":     b.key,
+                "path":    pkg,
+                "state":   strconv.Btoa(state),
+                "log":     buildLog,
+                "info":    info,
+                "go_rev":  strconv.Itoa(c.num),
+        }
+        return httpCommand("package", args)
+}
+
 func httpCommand(cmd string, args map[string]string) os.Error {
+        if *verbose {
+                log.Println("httpCommand", cmd, args)
+        }
         url := fmt.Sprintf("http://%v/%v", *dashboard, cmd)
         _, err := http.PostForm(url, args)
         return err
 }