From 07cd22131f761832dc54f106a414dcae0cd87f23 Mon Sep 17 00:00:00 2001
From: kekskurse <git@kekskurse.de>
Date: Mon, 29 Nov 2021 07:31:30 +0100
Subject: [PATCH] Versions Check

---
 config.go                      |  3 +++
 config.yml                     |  2 ++
 internal/pkg/checks/version.go | 44 ++++++++++++++++++++++++++++++++++
 main.go                        |  2 +-
 template/index.html            | 17 +++++++++++++
 5 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 internal/pkg/checks/version.go

diff --git a/config.go b/config.go
index 4f24303..75f15c1 100644
--- a/config.go
+++ b/config.go
@@ -24,6 +24,7 @@ type Config struct {
 		Load checks.LoadConfig `yaml:"load"`
 		Memory checks.MemoryConfig `yaml:"memory"`
 		Systemd checks.SystemdConf `yaml:"systemd"`
+		Version checks.VersionConfig `yaml:"version"`
 	} `yaml:"checks"`
 }
 
@@ -43,4 +44,6 @@ func readConfig()  {
 	if err != nil {
 		log.Fatal().Err(err).Msg("Cant parse yaml file")
 	}
+
+	c.Checks.Version.Version = version
 }
\ No newline at end of file
diff --git a/config.yml b/config.yml
index ffc8a9a..e783ca9 100644
--- a/config.yml
+++ b/config.yml
@@ -25,3 +25,5 @@ checks:
       - sshd
       - test
       - docker
+  version:
+    enabled: true
diff --git a/internal/pkg/checks/version.go b/internal/pkg/checks/version.go
new file mode 100644
index 0000000..8204c38
--- /dev/null
+++ b/internal/pkg/checks/version.go
@@ -0,0 +1,44 @@
+package checks
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+type VersionConfig struct {
+	Enabled bool `yaml:"enabled"`
+	Version string
+}
+
+type Version struct {
+	Config VersionConfig
+}
+
+func (h Version) Execute() (ok bool, data interface{}, err error) {
+	if h.Config.Enabled == false {
+		return true, nil, nil
+	}
+	resp, err := http.Get("https://git.keks.cloud/api/v1/repos/kekskurse/http-server-status/releases?limit=1")
+
+	var g []struct {
+		TagName string `json:"tag_name"`
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return false, nil, err
+	}
+
+	json.Unmarshal(body, &g)
+
+	if g[0].TagName == fmt.Sprintf("v%v", h.Config.Version) {
+		return true, map[string]string{"version": g[0].TagName}, nil
+	}
+	return false, map[string]string{"version": g[0].TagName}, nil
+}
+
+func (h Version) Name() string {
+	return "Version"
+}
\ No newline at end of file
diff --git a/main.go b/main.go
index 2913087..4d407cf 100644
--- a/main.go
+++ b/main.go
@@ -22,7 +22,7 @@ var checkList []checks.Check
 func init()  {
 	readConfig()
 	log.Debug().Int("max_percent", c.Checks.HDD.MaxPercent).Msg("HDD CHECK")
-	checkList = append(checkList, checks.HDD{c.Checks.HDD}, checks.Memory{Config: c.Checks.Memory}, checks.Load{Config: c.Checks.Load}, checks.Systemd{Config: c.Checks.Systemd})
+	checkList = append(checkList, checks.HDD{c.Checks.HDD}, checks.Memory{Config: c.Checks.Memory}, checks.Load{Config: c.Checks.Load}, checks.Systemd{Config: c.Checks.Systemd}, checks.Version{Config: c.Checks.Version})
 }
 
 func auth(fn http.HandlerFunc) http.HandlerFunc {
diff --git a/template/index.html b/template/index.html
index f00d028..0cc8201 100644
--- a/template/index.html
+++ b/template/index.html
@@ -116,7 +116,24 @@
             </div>
         </div>
     </div>
+    <div class="row" style="margin-top: 20px;">
+        <div class="col-md-6">
+            <div class="card">
+                <div class="card-header {{if .checks.Version.Success }}bg-success{{else}}bg-danger{{end}}" id="loadtitle">
+                    Version
+
+                </div>
+                <div class="card-body">
+                    Newest Version: {{ .checks.Version.Data.version }}
+                </div>
+            </div>
+        </div>
+        <div class="col-md-6">
+        </div>
+    </div>
 </div>
+</div>
+
 
 
 <div class="container">