diff -uNr pnp4nagios.orig/README pnp4nagios-0.6.26/README
--- pnp4nagios.orig/README 2017-08-21 17:52:37.000000000 +0200
+++ pnp4nagios-0.6.26/README 2017-10-20 17:29:21.680000000 +0200
@@ -8,3 +8,8 @@
http://pnp4nagios.sourceforge.net or:
http://docs.pnp4nagios.org/
+
+## pnp-metrics-api ###
+
+https://github.com/lingej/pnp-metrics-api
+README.md
diff -uNr pnp4nagios.orig/README.md pnp4nagios-0.6.26/README.md
--- pnp4nagios.orig/README.md 1970-01-01 01:00:00.000000000 +0100
+++ pnp4nagios-0.6.26/README.md 2017-10-20 17:02:31.336000000 +0200
@@ -0,0 +1,56 @@
+# pnp-metrics-api
+## Usage examples
+### CURL
+#### Query metrics of a service on a specific host
+```
+curl -s -u '<username>:<password>' -H "Content-Type: application/json" -X POST -d '
+{
+ "targets":[
+ {
+ "host":"host1.example.org",
+ "service":"_HOST_",
+ "perflabel":"rta",
+ "type":"AVERAGE"
+ },
+ {
+ "host":"host2.example.org",
+ "service":"_HOST_",
+ "perflabel":"rta",
+ "type":"AVERAGE"
+ }
+ ],
+ "start":'UNIXEPOCHTIMESTAMP_START',
+ "end":'UNIXEPOCHTIMESTAMP_END'
+}' https://example.org/pnp4nagios/index.php/api/metrics
+```
+#### List all hosts
+```
+curl -s -u '<username>:<password>' https://example.org/pnp4nagios/index.php/api/hosts
+```
+
+#### List services of a host
+```
+curl -s -u '<username>:<password>' -H "Content-Type: application/json" -X POST -d '
+{
+ "host":"host.example.org"
+}' https://example.org/pnp4nagios/index.php/api/services
+```
+
+You can use regular expressions for host lists:
+
+```
+curl -s -u '<username>:<password>' -H "Content-Type: application/json" -X POST -d '
+{
+ "host":"/^local"
+}' https://example.org/pnp4nagios/index.php/api/services
+```
+
+
+#### List labels of a service of specific host
+```
+curl -s -u '<username>:<password>' -H "Content-Type: application/json" -X POST -d '
+{
+ "host":"host.example.org",
+ "service":"_HOST_"
+}' https://example.org/pnp4nagios/index.php/api/labels
+```
diff -uNr pnp4nagios.orig/share/pnp/application/controllers/api.php pnp4nagios-0.6.26/share/pnp/application/controllers/api.php
--- pnp4nagios.orig/share/pnp/application/controllers/api.php 1970-01-01 01:00:00.000000000 +0100
+++ pnp4nagios-0.6.26/share/pnp/application/controllers/api.php 2017-10-20 17:29:56.444000000 +0200
@@ -0,0 +1,399 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+* API controller.
+*
+* @package pnp4nagios
+* @author Joerg Linge
+* @license GPL
+*/
+class Api_Controller extends System_Controller {
+
+ public function __construct(){
+ parent::__construct();
+ // Disable auto-rendering
+ $this->auto_render = FALSE;
+ $this->data->getTimeRange($this->start,$this->end,$this->view);
+ // Graphana sends JSON via POST
+ $this->post_data = json_decode(file_get_contents('php://input'), true);
+
+ }
+
+ public function index() {
+ $data['pnp_version'] = PNP_VERSION;
+ $data['pnp_rel_date'] = PNP_REL_DATE;
+ $data['error'] = "";
+ return_json($data, 200);
+ }
+
+ /*
+ *
+ *
+ */
+ public function hosts($query = false) {
+ $data = array();
+ $hosts = getHosts($this->data, $query);
+ foreach ( $hosts as $host ){
+ $data['hosts'][] = array(
+ 'name' => $host
+ );
+ }
+ return_json($data, 200);
+ }
+
+ /*
+ *
+ *
+ */
+ public function services() {
+ $data = array();
+ if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+ // Only Post Reuests
+ $data['error'] = "Only POST Requests allowed";
+ return_json($data, 901);
+ return;
+ }
+ $pdata = json_decode(file_get_contents('php://input'), TRUE);
+
+ $host = arr_get($pdata, "host");
+ if ( $host === false ){
+ $data['error'] = "No hostname specified";
+ return_json($data, 901);
+ return;
+ }
+ $services = array();
+ $hosts = getHosts($this->data, $host);
+ $services = getServices($this->data, $hosts);
+ $duplicates = array();
+
+ foreach($services as $service){
+ // skip duplicates
+ if(isset($duplicates[$service['servicedesc']])) {
+ continue;
+ }
+ $duplicates[$service['servicedesc']] = true;
+ $data['services'][] = array(
+ 'name' => $service['name'],
+ 'servicedesc' => $service['servicedesc'],
+ 'hostname' => $service['hostname']
+ );
+ }
+ return_json($data, 200);
+ }
+
+ /*
+ *
+ *
+ */
+ public function labels ( $host=false, $service=false ) {
+ $data = array();
+ if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+ // Only Post Reuests
+ $data['error'] = "Only POST Requests allowed";
+ return_json($data, 901);
+ return;
+ }
+ $pdata = json_decode(file_get_contents('php://input'), TRUE);
+ $host = arr_get($pdata, "host");
+ $service = arr_get($pdata, "service");
+
+ if ( $host === false ){
+ $data['error'] = "No hostname specified";
+ return_json($data, 901);
+ return;
+ }
+ if ( $service === false ){
+ $data['error'] = "No service specified";
+ return_json($data, 901);
+ return;
+ }
+
+ $hosts = getHosts($this->data, $host);
+ $services = getServices($this->data, $hosts, $service);
+ $duplicates = array();
+
+ foreach($services as $service){
+ try {
+ // read XML file
+ $this->data->readXML($service['hostname'], $service['name']);
+ } catch (Kohana_Exception $e) {
+ $data['error'] = "$e";
+ return_json($data, 901);
+ return;
+ }
+
+ foreach( $this->data->DS as $KEY => $DS) {
+ // skip duplicates
+ if(isset($duplicates[$DS['LABEL']])) {
+ continue;
+ }
+ $duplicates[$DS['LABEL']] = true;
+ $data['labels'][] = array(
+ 'name' => $DS['NAME'],
+ 'label' => $DS['LABEL'],
+ 'service' => $service['name'],
+ 'hostname' => $service['hostname']
+ );
+ }
+ }
+ return_json($data, 200);
+ }
+
+
+ public function metrics(){
+ // extract metrics for a given datasource
+ // TODO Multiple sources via regex
+ if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+ // Only Post Reuests
+ $data['error'] = "Only POST Requests allowed";
+ return_json($data, 901);
+ return;
+ }
+ $hosts = array(); // List of all Hosts
+ $services = array(); // List of services for a given host
+ $pdata = json_decode(file_get_contents('php://input'), TRUE);
+ $data = array();
+
+ if ( !isset($pdata['targets']) ){
+ $data['error'] = "No targets specified";
+ return_json($data, 901);
+ return;
+ }
+
+ foreach( $pdata['targets'] as $key => $target){
+
+ $this->data->TIMERANGE['start'] = arr_get($pdata, 'start');
+ $this->data->TIMERANGE['end'] = arr_get($pdata, 'end');
+ $host = arr_get($target, 'host');
+ $service = arr_get($target, 'service');
+ $perflabel = arr_get($target, 'perflabel');
+ $type = arr_get($target, 'type');
+ $refid = arr_get($target, 'refid');
+ if ( $host === false ){
+ $data['error'] = "No hostname specified";
+ return_json($data, 901);
+ return;
+ }
+ if ( $service === false ){
+ $data['error'] = "No service specified";
+ return_json($data, 901);
+ return;
+ }
+ if ( $perflabel === false ){
+ $data['error'] = "No perfdata label specified";
+ return_json($data, 901);
+ return;
+ }
+ if ( $type === false ){
+ $data['error'] = "No perfdata type specified";
+ return_json($data, 901);
+ return;
+ }
+ $hosts = getHosts($this->data, $host);
+ $services = getServices($this->data, $hosts, $service);
+
+ $hk = 0; // Host Key
+
+ foreach ( $services as $service) {
+ $host = $service['hostname'];
+ $service = $service['name'];
+ try {
+ // read XML file
+ $this->data->readXML($host, $service);
+ } catch (Kohana_Exception $e) {
+ $data['error'] = "$e";
+ return_json($data, 901);
+ return;
+ }
+
+ // create a Perflabel List
+ $perflabels = array();
+ foreach( $this->data->DS as $value){
+ $label = arr_get($value, "LABEL" );
+ if (isRegex($perflabel)) {
+ if(!preg_match( $perflabel, $label ) ){
+ continue;
+ }
+ } elseif ( $perflabel != $label ) {
+ continue;
+ }
+ $perflabels[] = array(
+ "label" => arr_get($value, "NAME" ),
+ "warn" => arr_get($value, "WARN" ),
+ "crit" => arr_get($value, "CRIT" )
+ );
+ }
+
+ foreach ( $perflabels as $tmp_perflabel){
+ try {
+ $this->data->buildXport($host, $service);
+ $xml = $this->rrdtool->doXport($this->data->XPORT);
+ } catch (Kohana_Exception $e) {
+ $data['error'] = "$e";
+ return_json($data, 901);
+ return;
+ }
+
+ $xpd = simplexml_load_string($xml);
+ $i = 0;
+ $index = -1;
+ foreach ( $xpd->meta->legend->entry as $k=>$v){
+ if($type == "WARNING" || $type == "CRITICAL") {
+ if( $v == $tmp_perflabel['label']."_AVERAGE"){
+ $index = $i;
+ break;
+ }
+ }
+ else {
+ if( $v == $tmp_perflabel['label']."_".$type){
+ $index = $i;
+ break;
+ }
+ }
+ $i++;
+ }
+ if ( $index === -1 ){
+ $data['error'] = "No perfdata found for ".$tmp_perflabel['label']."_".$type;
+ return_json($data, 901);
+ return;
+ }
+
+ $start = (string) $xpd->meta->start;
+ $end = (string) $xpd->meta->end;
+ $step = (string) $xpd->meta->step;
+ $data['targets'][$key][$hk]['start'] = $start * 1000;
+ $data['targets'][$key][$hk]['end'] = $end * 1000;
+ $data['targets'][$key][$hk]['host'] = $host;
+ $data['targets'][$key][$hk]['service'] = $service;
+ $data['targets'][$key][$hk]['perflabel'] = $tmp_perflabel['label'];
+ $data['targets'][$key][$hk]['type'] = $type;
+
+ $i = 0;
+ if($type == "WARNING" || $type == "CRITICAL") {
+ foreach ( $xpd->data->row as $row=>$value){
+ // timestamp in milliseconds
+ $timestamp = ( $start + $i * $step ) * 1000;
+ if($type == "WARNING") {
+ $d = floatval($tmp_perflabel['warn']);
+ } else {
+ $d = floatval($tmp_perflabel['crit']);
+ }
+ $data['targets'][$key][$hk]['datapoints'][] = array( $d, $timestamp );
+ $i++;
+ }
+ } else {
+ foreach ( $xpd->data->row as $row=>$value){
+ // timestamp in milliseconds
+ $timestamp = ( $start + $i * $step ) * 1000;
+ $d = (string) $value->v->$index;
+ if ($d == "NaN"){
+ $d = null;
+ }else{
+ $d = floatval($d);
+ }
+ $data['targets'][$key][$hk]['datapoints'][] = array( $d, $timestamp );
+ $i++;
+ }
+ }
+
+ $hk++;
+
+ }
+ }
+ }
+
+ return_json($data, 200);
+ }
+}
+/*
+* return array key
+*/
+function arr_get($array, $key=false, $default=false){
+ if ( isset($array) && $key == false ){
+ return $array;
+ }
+ $keys = explode(".", $key);
+ foreach ($keys as $key_part) {
+ if ( isset($array[$key_part] ) === false ) {
+ if (! is_array($array) or ! array_key_exists($key_part, $array)) {
+ return $default;
+ }
+ }
+ $array = $array[$key_part];
+ }
+ return $array;
+}
+
+/*
+*
+*/
+function return_json( $data, $status=200 ){
+ $json = json_encode($data);
+ header('Status: '.$status);
+ header('Content-type: application/json');
+ print $json;
+}
+
+function isRegex($string){
+ // if string looks like an regex /regex/
+ if ( substr($string,0,1) == "/" && substr($string,-1,1) == "/" && strlen($string) >= 2 ){
+ return true;
+ }else{
+ return false;
+ }
+}
+
+function getHosts($data, $query = false) {
+ $result = array();
+ $hosts = $data->getHosts();
+ $isRegex = false;
+ if ($query !== false && isRegex($query) ) {
+ $isRegex = true;
+ }
+ foreach ( $hosts as $host ){
+ if ( $host['state'] != 'active' ){
+ continue;
+ }
+ if($isRegex) {
+ if(preg_match("$query", $host['name']) ) {
+ $result[] = $host['name'];
+ }
+ }
+ elseif ($query !== false) {
+ if("$query" == $host['name']) {
+ $result[] = $host['name'];
+ }
+ } else {
+ $result[] = $host['name'];
+ }
+ }
+ return($result);
+}
+
+/*
+* returns list of service hashes
+*/
+function getServices($data, $hosts, $query = false) {
+ $result = array();
+ $isRegex = false;
+ if ($query !== false && isRegex($query) ) {
+ $isRegex = true;
+ }
+ foreach ( $hosts as $host){
+ $services = $data->getServices($host);
+ foreach ($services as $value) {
+ if ($isRegex) {
+ if ( preg_match("$query", $value['name']) || preg_match("$query", $value['servicedesc'])) {
+ $result[] = $value;
+ }
+ }
+ elseif ($query !== false) {
+ if("$query" == $value['name'] || "$query" == $value['servicedesc']) {
+ $result[] = $value;
+ }
+ } else {
+ $result[] = $value;
+ }
+ }
+ }
+ return($result);
+}