updated influx-scripts

5 files changed, 95 insertions, 62 deletions

diff --git a/roles/install_monitoring/tasks/main.yml b/roles/install_monitoring/tasks/main.yml
index 407c261..afb4db9 100644
--- a/roles/install_monitoring/tasks/main.yml
+++ b/roles/install_monitoring/tasks/main.yml
@@ -2,8 +2,9 @@
 - name: install vnstat
   import_tasks: install_vnstat.yml
 
-#- name: install ffmyk-influx
-#  include: install_ffmyk-influx.yml
+- name: install ffmyk-influx
+  include: install_ffmyk-influx.yml
+  when: "'fastd' in group_names"
 
 - name: install munin
   import_tasks: install_munin.yml
diff --git a/roles/install_monitoring/templates/ffmyk-influx/dhcp.php.j2 b/roles/install_monitoring/templates/ffmyk-influx/dhcp.php.j2
index 7b81328..4d3773b 100644
--- a/roles/install_monitoring/templates/ffmyk-influx/dhcp.php.j2
+++ b/roles/install_monitoring/templates/ffmyk-influx/dhcp.php.j2
@@ -1,23 +1,73 @@
 <?php
+date_default_timezone_set('UTC');
 
 require('func.php');
 
-        $data = shell_exec("grep -e 'lease [[:digit:]\.]\+ {' -e '\s\+ends' /var/lib/dhcp/dhcpd.leases");
+$dhcp_config = file_get_contents('/etc/dhcpd.conf');
 
-        preg_match_all('/lease ([\d\.]+) \{\n\s+ends \d+ (\d{4}\/\d{2}\/\d{2} \d+:\d{2}:\d{2});/s', $data, $match);
+$num_ranges = preg_match_all('/range[\s]+([\d]+\.[\d]+\.[\d]+\.[\d]+)[\s]+([\d]+\.[\d]+\.[\d]+\.[\d]+)/', $dhcp_config, $ranges);
 
-        unset($data, $match[0]);
+$lease_file_handle = fopen("/var/lib/dhcp/dhcpd.leases", "r");
 
-        $dend = time()-120;
+$activeleases = array();
 
-        $clients = 0;
+$lease = -1;
+$start = -1;
+$end = -1;
 
-        foreach($match[2] as $timeout) {
-                $end = strtotime($timeout.' UTC');
-                if($end > $dend) $clients++;
+while(($line = fgets($lease_file_handle)) !== false)
+{
+    if(preg_match('/lease ([\d]+\.[\d]+\.[\d]+\.[\d]+)/', $line, $match))
+    {
+        $lease = ip2long($match[1]);
+        continue;
+    }
+    elseif(preg_match('/starts \d ([\d]{4})\/([\d]{2})\/([\d]{2}) ([\d]{2}):([\d]{2}):([\d]{2})/', $line, $match))
+    {
+        $start = mktime($match[4], $match[5], $match[6], $match[2], $match[3], $match[1]);
+        continue;
+    }
+    elseif(preg_match('/ends \d ([\d]{4})\/([\d]{2})\/([\d]{2}) ([\d]{2}):([\d]{2}):([\d]{2})/', $line, $match))
+    {
+        $end = mktime($match[4], $match[5], $match[6], $match[2], $match[3], $match[1]);
+        if($lease > 0 && $start > 0 && $end > 0)
+        {
+            if( $start < time() && $end > time() )
+            {
+                $activeleases[$lease] = $lease;
+                $lease = -1;
+                $start = -1;
+                $end = -1;
+            }
         }
+    }
+}
 
-        $data = 'clients,host={{ ansible_hostname }},type=backend value='.$clients;
-        sendflux($data);
+$pools = array();
 
+for($range = 0; $range < $num_ranges; $range++)
+{
+    $clients = 0;
+
+    $range_start = ip2long($ranges[1][$range]);
+    $range_end = ip2long($ranges[2][$range]);
+    foreach($activeleases as $lease)
+    {
+        if( $lease > $range_start && $lease < $range_end )
+        {
+            $clients++;
+        }
+    }
+
+    $pools[$range_start] = $clients;
+}
+
+$data = "";
+
+foreach($pools as $range => $clients)
+{
+    $data .= 'clients,host={{ ansible_hostname }},pool='.long2ip($range).',type=backend value='.$clients."\n";
+}
+
+sendflux($data);
 ?>
diff --git a/roles/install_monitoring/templates/ffmyk-influx/fastd.php.j2 b/roles/install_monitoring/templates/ffmyk-influx/fastd.php.j2
index 985d7d3..0cd05c3 100644
--- a/roles/install_monitoring/templates/ffmyk-influx/fastd.php.j2
+++ b/roles/install_monitoring/templates/ffmyk-influx/fastd.php.j2
@@ -26,9 +26,13 @@ function fastdGetPeers($file) {
 	return $peers;
 }
 
-$fastd_1280 = fastdGetPeers('/run/ffmyk.socket');
+$data = "";
 
-$data = 'fastdclient,mtu=1280,host={{ ansible_hostname }},type=backend value='.$fastd_1280."\n"; 
+{% for site in sites %}
+$fastd_{{ site.name }} = fastdGetPeers('/run/ff{{ site.name }}1.socket');
+$data .= 'fastdclient,mtu=1280,host={{ ansible_hostname }},site={{ site.name }},type=backend value='.$fastd_{{ site.name }}."\n"; 
+
+{% endfor %}
 
 sendflux($data);
 
diff --git a/roles/install_monitoring/templates/ffmyk-influx/func.php.j2 b/roles/install_monitoring/templates/ffmyk-influx/func.php.j2
index fd2c248..b7b3609 100644
--- a/roles/install_monitoring/templates/ffmyk-influx/func.php.j2
+++ b/roles/install_monitoring/templates/ffmyk-influx/func.php.j2
@@ -1,6 +1,6 @@
 <?php
 function sendflux($data) {
-        $url = 'http://10.222.42.54:8086/write?db=freifunk';
+        $url = 'http://[2a03:2260:1016:302:c03:19ff:fe06:285]:8086/write?db=freifunk';
 
         $options = array(
             'http' => array(
diff --git a/roles/install_monitoring/templates/ffmyk-influx/traffic.php.j2 b/roles/install_monitoring/templates/ffmyk-influx/traffic.php.j2
index 82674b9..dde5dba 100644
--- a/roles/install_monitoring/templates/ffmyk-influx/traffic.php.j2
+++ b/roles/install_monitoring/templates/ffmyk-influx/traffic.php.j2
@@ -2,52 +2,30 @@
 
 require('func.php');
 
-        function traffic($iface, $alias=false) {
-
-		if(!$alias) $alias = $iface;
-
-/*              ifconfig eth0 | grep bytes
-          RX bytes:700194759 (667.7 MiB)  TX bytes:1090382719 (1.0 GiB)
-
-*/
-                $data = shell_exec('ifconfig '.escapeshellarg($iface).' | grep bytes');
-                preg_match('/RX.+?bytes (\d+) /', $data, $match);
-                $rx = $match[1];
-                unset($match);
-
-                preg_match('/TX.+?bytes (\d+) /', $data, $match);
-                $tx = $match[1];
-                unset($match);
-
-                $file = '/opt/ffmyk-influx/traffic.'.base64_encode($iface).'.cache';
-
-                $out['rx'] = 0;
-                $out['tx'] = 0;
-
-                if(file_exists($file)) {
-                        $cache = unserialize(file_get_contents($file));
-                        $diff = time() - filemtime($file);
-
-                        if($rx > $cache['rx']) $out['rx'] = ($rx - $cache['rx']) / $diff;
-                        if($tx > $cache['tx']) $out['tx'] = ($tx - $cache['tx']) / $diff;
-                }
-
-                file_put_contents($file, serialize(array("rx" => $rx, "tx" => $tx)));
-
-               $data = 'rx,if='.$alias.',host={{ ansible_hostname }},type=backend value='.$out['rx']."\n";
-               $data.= 'tx,if='.$alias.',host={{ ansible_hostname }},type=backend value='.$out['tx'];
-
-                sendflux($data);
-
-                $out['if'] = $iface;
-
-                return $out;
-        }
-
-        (traffic('ens3', 'eth0'));
-        (traffic('mullvad'));
-        (traffic('bat0'));
-        (traffic('ffmyk-mesh-vpn', 'ffmyk-mesh-vpnd'));
-
+function traffic($iface, $alias=false) {
+
+    if(!$alias) $alias = $iface;
+
+    $rx = file_get_contents('/sys/class/net/'.$iface.'/statistics/rx_bytes');
+    $tx = file_get_contents('/sys/class/net/'.$iface.'/statistics/tx_bytes');
+
+    $data = 'rx,if='.$alias.',host={{ ansible_hostname }},type=backend value='.$rx."\n";
+    $data.= 'tx,if='.$alias.',host={{ ansible_hostname }},type=backend value='.$tx;
+
+    sendflux($data);
+}
+
+(traffic('{{ ansible_default_ipv4.interface }}', 'wan'));
+{% if ansible_default_ipv4.interface != ansible_default_ipv6.interface %}
+(traffic('{{ ansible_default_ipv6.interface }}', 'wan6'));
+{% endif %}
+{% for site in sites %}
+(traffic('bat{{ site.name }}'));
+(traffic('vpn{{ site.name }}'));
+(traffic('wg{{ site.name }}'));
+{% endfor %}
+{% for uplink in groups['uplink'] %}
+(traffic('bb{{ hostvars[uplink]['wireguard_bb_name'] }}'));
+{% endfor %}
 
 ?>