From 35fb5378bc16aa9630ff0ef11e6bd74467916249 Mon Sep 17 00:00:00 2001
From: Brian Brazil <brian.brazil@boxever.com>
Date: Thu, 2 Oct 2014 15:44:47 +0100
Subject: [PATCH] Add back consoles link.

Goes in index.html in consoles or else user data, if present.

Change-Id: I5303d30aa24ca0c20d2e0f49121e04a260b9c4f4
---
 rules/ast/functions.go   |  2 +-
 web/templates/_base.html |  4 ++++
 web/web.go               | 15 ++++++++++++++-
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/rules/ast/functions.go b/rules/ast/functions.go
index ccfe3e271..ab0cce47c 100644
--- a/rules/ast/functions.go
+++ b/rules/ast/functions.go
@@ -275,7 +275,7 @@ func dropCommonLabelsImpl(timestamp clientmodel.Timestamp, view *viewAdapter, ar
 	}
 
 	for _, el := range vector {
-		for k, _ := range el.Metric {
+		for k := range el.Metric {
 			if _, ok := common[k]; ok {
 				delete(el.Metric, k)
 			}
diff --git a/web/templates/_base.html b/web/templates/_base.html
index 764c51a5f..a0f642256 100644
--- a/web/templates/_base.html
+++ b/web/templates/_base.html
@@ -17,6 +17,10 @@
         <div class="container-fluid">
           <a class="brand" href="/">Prometheus</a>
           <ul class="nav">
+            {{$consoles := getConsoles}}
+            {{if $consoles}}
+            <li><a href="{{$consoles}}">Consoles</a></li>
+            {{ end }}
             <li><a href="/alerts">Alerts</a></li>
             <li><a href="/graph">Graph</a></li>
             <li><a href="/">Status</a></li>
diff --git a/web/web.go b/web/web.go
index 4cfd9da12..2bbe02f1e 100644
--- a/web/web.go
+++ b/web/web.go
@@ -132,10 +132,23 @@ func getTemplateFile(name string) (string, error) {
 	}
 }
 
+func getConsoles() string {
+	if _, err := os.Stat(*consoleTemplatesPath + "/index.html"); !os.IsNotExist(err) {
+		return "/consoles/index.html"
+	}
+	if *userAssetsPath != "" {
+		if _, err := os.Stat(*userAssetsPath + "/index.html"); !os.IsNotExist(err) {
+			return "/user/index.html"
+		}
+	}
+	return ""
+}
+
 func getTemplate(name string) (t *template.Template, err error) {
 	t = template.New("_base")
 	t.Funcs(template.FuncMap{
-		"since": time.Since,
+		"since":       time.Since,
+		"getConsoles": getConsoles,
 	})
 	file, err := getTemplateFile("_base")
 	if err != nil {