ecriture en PHP

2026-03-16 22:14:35 +01:00
parent d31e193954
commit ae0c8f95cb
11 changed files with 1099 additions and 61 deletions
--- a/servers/linux/monitoring/lib/monitoring-lib.php
+++ b/servers/linux/monitoring/lib/monitoring-lib.php
@@ -0,0 +1,161 @@
+<?php
+/**
+ * Monitoring Library - PHP Version
+ * Copyright (C) 2026 Cédric Abonnel
+ * License: GNU Affero General Public License v3
+ */
+
+// --- Chemins et Constantes ---
+$MONITORING_LIB_DIR  = __DIR__;
+$MONITORING_BASE_DIR = dirname($MONITORING_LIB_DIR);
+$MONITORING_CONF_DIR = $MONITORING_BASE_DIR . '/conf';
+
+// États globaux
+$STATUS_OK       = 0;
+$STATUS_WARNING  = 1;
+$STATUS_ERROR    = 2;
+$STATUS_INTERNAL = 3;
+
+$CURRENT_STATUS = $STATUS_OK;
+
+// --- Chargement de la Config ---
+$CONFIG = [
+    'LOG_FILE'            => '/var/log/monitoring/events.jsonl',
+    'MONITORING_LOCK_DIR' => '/var/lock/monitoring',
+    'LOG_LEVEL'           => 'INFO'
+];
+
+if (file_exists($MONITORING_CONF_DIR . '/monitoring.conf.php')) {
+    $global_conf = include $MONITORING_CONF_DIR . '/monitoring.conf.php';
+    if (is_array($global_conf)) {
+        $CONFIG = array_merge($CONFIG, $global_conf);
+    }
+}
+
+// Variables d'exécution
+$SCRIPT_NAME = basename($_SERVER['SCRIPT_FILENAME'] ?? $argv[0]);
+$SCRIPT_PATH = realpath($_SERVER['SCRIPT_FILENAME'] ?? $argv[0]);
+
+// --- Fonctions de Log ---
+
+/**
+ * Log un événement au format JSONL
+ */
+function log_event(string $level, string $event, string $message, array $extra_kv = []) {
+    global $CONFIG, $SCRIPT_NAME;
+
+    $ts = date('c'); // ISO-8601
+    
+    // Détection Hostname
+    $host = getenv('HOSTNAME_FQDN') ?: (gethostname() ?: 'unknown');
+
+    $log_data = [
+        "ts"      => $ts,
+        "host"    => $host,
+        "app"     => $SCRIPT_NAME,
+        "level"   => $level,
+        "event"   => $event,
+        "message" => $message
+    ];
+
+    // Fusion des paires clé=valeur supplémentaires
+    foreach ($extra_kv as $kv) {
+        if (strpos($kv, '=') !== false) {
+            list($k, $v) = explode('=', $kv, 2);
+            $log_data[$k] = $v;
+        }
+    }
+
+    $json_line = json_encode($log_data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+    
+    $log_file = $CONFIG['LOG_FILE'];
+    ensure_parent_dir($log_file);
+    
+    file_put_contents($log_file, $json_line . "\n", FILE_APPEND | LOCK_EX);
+}
+
+function set_status(int $new_status) {
+    global $CURRENT_STATUS;
+    if ($new_status > $CURRENT_STATUS) {
+        $CURRENT_STATUS = $new_status;
+    }
+}
+
+// Helpers de logs
+function log_debug($e, $m, $x = [])    { log_event("DEBUG", $e, $m, $x); }
+function log_info($e, $m, $x = [])     { log_event("INFO", $e, $m, $x); }
+function log_notice($e, $m, $x = [])   { log_event("NOTICE", $e, $m, $x); }
+function log_warning($e, $m, $x = [])  { log_event("WARNING", $e, $m, $x); set_status(1); }
+function log_error($e, $m, $x = [])    { log_event("ERROR", $e, $m, $x); set_status(2); }
+function log_critical($e, $m, $x = []) { log_event("CRITICAL", $e, $m, $x); set_status(2); }
+
+function fail_internal(string $msg) {
+    log_event("ERROR", "internal_error", $msg);
+    exit(3); // STATUS_INTERNAL
+}
+
+function exit_with_status() {
+    global $CURRENT_STATUS;
+    exit($CURRENT_STATUS);
+}
+
+// --- Utilitaires Système ---
+
+/**
+ * Vérifie la présence de commandes système
+ */
+function require_cmd(...$cmds) {
+    foreach ($cmds as $cmd) {
+        $output = [];
+        $res = 0;
+        exec("command -v " . escapeshellarg($cmd), $output, $res);
+        if ($res !== 0) {
+            fail_internal("Commande requise absente: $cmd");
+        }
+    }
+}
+
+/**
+ * Gestion du verrouillage (Lock)
+ */
+function lock_or_exit(?string $lock_name = null) {
+    global $CONFIG, $SCRIPT_NAME;
+    $name = $lock_name ?: $SCRIPT_NAME;
+    $lock_file = ($CONFIG['MONITORING_LOCK_DIR'] ?? '/var/lock/monitoring') . "/{$name}.lock";
+
+    ensure_parent_dir($lock_file);
+    $fp = fopen($lock_file, "w+");
+
+    if (!$fp || !flock($fp, LOCK_EX | LOCK_NB)) {
+        log_notice("already_running", "Une autre instance est déjà en cours", ["lock=$lock_file"]);
+        exit(0);
+    }
+    // On garde le descripteur ouvert pour maintenir le lock
+    return $fp; 
+}
+
+/**
+ * Évalue un niveau selon des seuils
+ */
+function threshold_level($value, $warning, $critical) {
+    if ($value >= $critical) return 'CRITICAL';
+    if ($value >= $warning)  return 'WARNING';
+    return 'INFO';
+}
+
+function ensure_parent_dir(string $file) {
+    $dir = dirname($file);
+    if (!is_dir($dir)) {
+        if (!mkdir($dir, 0755, true)) {
+            // Ici on ne peut pas appeler log_event si c'est le répertoire de log qui échoue
+            error_log("Impossible de créer le répertoire : $dir");
+            exit(3);
+        }
+    }
+}
+
+function safe_mv(string $src, string $dst) {
+    if (!rename($src, $dst)) {
+        fail_internal("Échec du déplacement de $src vers $dst");
+    }
+}