l 1 mors: add graphite_beacon testing code

lass/1systems/mors.nix

@@ -86,6 +86,137 @@ with import <stockholm/lib>;
     {
       virtualisation.libvirtd.enable = true;
     }
+    {
+      services.nginx = {
+        enable = mkDefault true;
+        virtualHosts = {
+          "stats.mors" = {
+            locations = {
+              "/"  = {
+                proxyPass  = "http://localhost:3000/";
+                extraConfig = ''
+                  proxy_set_header   Host             $host;
+                  proxy_set_header   X-Real-IP        $remote_addr;
+                  proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
+                '';
+              };
+            };
+          };
+        };
+      };
+
+      services.grafana = {
+        enable = true;
+        addr = "127.0.0.1";
+        users.allowSignUp = false;
+        users.allowOrgCreate = false;
+        users.autoAssignOrg = false;
+        auth.anonymous.enable = true;
+        security = import <secrets/grafana_security.nix>; # { AdminUser = ""; adminPassword = ""}
+      };
+
+      services.graphite = {
+        api = {
+          enable = true;
+          listenAddress = "127.0.0.1";
+          port = 18080;
+        };
+        carbon = {
+          enableCache = true;
+          # save disk usage by restricting to 1 bulk update per second
+          config = ''
+            [cache]
+            MAX_CACHE_SIZE = inf
+            MAX_UPDATES_PER_SECOND = 1
+            MAX_CREATES_PER_MINUTE = 500
+            '';
+          storageSchemas = ''
+            [carbon]
+            pattern = ^carbon\.
+            retentions = 60:90d
+
+            [elchos]
+            patterhn = ^elchos\.
+            retentions = 10s:30d,60s:3y
+
+            [default]
+            pattern = .*
+            retentions = 30s:30d,300s:1y
+            '';
+        };
+      };
+
+      services.collectd = {
+        enable = true;
+        include = [ (toString (pkgs.writeText "collectd-graphite-cfg" ''
+          LoadPlugin write_graphite
+          <Plugin "write_graphite">
+            <Carbon>
+              Host "localhost"
+              Port "2003"
+              EscapeCharacter "_"
+              StoreRates false
+              AlwaysAppendDS false
+            </Carbon>
+          </Plugin>
+        ''))
+        ];
+        extraConfig = ''
+          LoadPlugin interface
+          LoadPlugin battery
+          LoadPlugin load
+          LoadPlugin cpu
+          LoadPlugin entropy
+          LoadPlugin write_graphite
+          <Plugin "interface">
+            Interface "et0"
+            Interface "wl0"
+            Interface "retiolum"
+          </Plugin>
+        '';
+      };
+      services.graphite.beacon = {
+        enable = true;
+        config = {
+          graphite_url = "http://localhost:18080";
+          cli = {
+            command = ''${pkgs.irc-announce}/bin/irc-announce irc.freenode.org 6667 mors-beacon-alert \#krebs ' ''${level} ''${name} ''${value}' '';
+          };
+          smtp = {
+            from = "beacon@mors.r";
+            to = [
+              "lass@mors.r"
+            ];
+          };
+          normal_handlers = [
+            "smtp"
+            "cli"
+          ];
+          warning_handlers = [
+            "smtp"
+            "cli"
+          ];
+          critical_handlers = [
+            "smtp"
+            "cli"
+          ];
+          alerts = [
+            {
+              name = "testbattery";
+              query = "*.battery-0.capacity";
+              method = "last_value";
+              interval = "1minute";
+              logging = "info";
+              repeat_interval = "5minute";
+              rules = [
+                "warning: < 30.0"
+                "critical: < 10.0"
+              ];
+            }
+          ];
+        };
+      };
+    }
   ];
 
   krebs.build.host = config.krebs.hosts.mors;