Im having similar issues with powerdns recrusor stats, It was last working Nov 2023. Running the local powerdns-recursor script works fine and outputs all the powerdns-recrusor data.
This is the error I get in a manual poller.php execution on the host once it hits powerdns
##### Module Start: applications #####
o Applications powerdns . ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⡶⠋⠁⠙⣦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⣠⡶⠛⠛⠲⣤⣀⠀⠀⠀⠀⡀⠀⠀⠀⠀⠀⠀⠀⣠⠄⣠⣾⣡⠀⠀⠀⠀⠸⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⢰⡏⠀⠀⠀⠀⠈⣿⣷⣤⡐⣄⣽⡾⠧⠤⠤⣤⣤⣾⣿⣾⣿⣯⣀⡀⠀⠀⠀⢠⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⢷⡀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣯⣤⣤⡀⣠⣈⣹⣽⣿⣿⣿⣿⣷⣦⣄⠀⢀⡾⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠈⠻⣆⠀⠀⠀⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡟⠀⣠⠞⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠈⢳⣆⠘⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⣾⣷⣶⣤⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⣘⣿⣿⣿⣿⣿⣟⣿⣿⣿⣿⣿⣿⣿⣿⢡⡼⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⣾⣿⣿⣿⣿⣿⡏⣯⡇⣿⣿⣿⡏⣿⣿⣿⣜⣛⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⣿⣭⣾⣿⣿⣿⣇⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠃⠀⠘⢷⣄⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⢠⣿⣿⡏⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡏⢿⣿⣿⡿⠁⠀⠀⠀⠸⣿⣷⡀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⢸⣿⣿⡇⠈⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠻⣿⣿⡟⢠⣿⣿⡟⠁⠀⠀⠀⠀⠙⣻⣿⣿⣆⠀⠀⠀⠀⠀ ⠀⠀⠀⠈⣿⣿⣷⡈⠛⠿⣿⣿⡆⠻⢿⣿⣽⣿⣯⣿⠿⠃⠀⠻⠛⣰⣿⣿⠏⠀⠀⠀⠀⢀⣙⣿⣿⣿⣿⣿⣧⡀⠀⠀⠀ ⠀⠀⠀⠀⢿⠈⠙⠻⠷⠤⠄⢉⡁⠀⠀⠙⢉⣵⣌⠀⠀⠀⣀⠄⠘⠛⠋⠁⢀⣀⣤⣤⣭⣭⣽⣿⣿⣿⣿⣿⣿⣷⡀⠀⠀ ⠀⠀⠀⢀⣿⡄⠀⠀⠀⠀⠀⠀⠉⠓⢦⣄⡉⠉⢉⣩⠶⠋⠁⠀⠀⠀⣠⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⡀⠀ ⠀⠀⠀⣼⣿⣿⣷⣶⣶⣆⣀⡀⠀⠀⠀⠀⠉⠉⠉⠀⠀⠀⠀⠀⣠⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⠀ ⠀⠀⠀⣿⣿⣿⣿⣿⣿⣿⣥⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣦⣾⣿⣿⣿⣿⣿⣿⡿⠿⠿⡟⠿⣿⣟⡿⢿⡛⠀⣘⣿⣿⡆ ⠀⠀⠀⢿⣿⣿⠿⠿⠿⠿⢿⣿⣿⣷⣿⡆⠀⠀⣶⣶⣾⡿⠛⠛⠛⠛⠻⣿⣿⣿⡟⠉⠀⠀⠀⠈⠁⠁⢀⢀⠲⣬⣿⣿⡇ ⠀⠀⠀⠘⡏⠳⣤⡄⠀⡄⠀⠀⠈⠙⢿⣧⠀⢀⣿⣿⠏⠀⠀⠀⠀⢀⣠⣿⣿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠈⣯⣷⣿⣿⣿⡇ ⠀⠀⠀⠀⢿⠀⠀⠉⠳⣇⠀⠀⠀⠀⠀⢻⠀⢸⣿⣿⣆⢠⠀⡆⣰⡿⠟⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡾⣿⣿⣿⣿⣿⡇ ⠀⠀⠀⠀⠘⣧⠀⠀⠀⠹⣷⣤⣄⠀⡈⣾⡆⢸⡿⠋⠿⠾⠴⠷⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⠞⠉⣶⣾⣿⣿⣿⣿⠀ ⠀⠀⠀⠀⠀⠈⠳⣄⠀⠀⠀⠉⠻⣿⣿⣿⣇⠸⡷⠀⠀⠀⢀⣠⢄⣠⣶⣤⣤⣤⡤⠤⠖⠛⠉⠀⠠⣤⣼⣿⣿⣿⣿⡏⠀ ⠀⠀⠀⠀⠀⠀⠀⠉⢻⣷⠶⠒⠀⠀⠁⠈⢿⡄⣷⣆⣤⣶⡿⠛⠛⠛⠉⠉⠉⠁⠀⠀⠀⠀⠀⠀⠀⠈⢿⣿⣿⣿⣿⠇⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠘⣏⠀⠀⠀⠀⠀⠀⠘⣧⣿⣿⡿⢋⡤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠰⣾⣿⣿⣿⣿⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⡄⠀⠀⠀⠀⠀⠀⢸⣿⣿⣶⣫⠆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⢦⣵⣿⣿⣿⣿⠇⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣆⠀⠀⠀⠀⠀⠀⣿⣿⣿⠇⠀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠳⠦⣴⣿⣶⣿⣿⣿⣿⡿⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠛⢷⣄⠀⠀⠀⠀⢹⣿⣿⣾⣿⣋⣤⡄⠀⠀⠀⠀⠀⠀⠀⠠⣈⠻⣿⣿⣿⣿⣿⡇⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠛⣦⣤⣤⣾⣿⣿⣿⣿⣿⣯⡴⠂⣀⡀⠀⡀⡀⡀⢠⣬⣻⣿⣿⣿⣿⡿⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⣀⣀⣠⡴⠊⠉⠀⠈⢹⠿⣿⣿⣿⣿⣿⣷⣾⣿⠾⡿⡿⠿⣷⣦⣿⣿⣿⣿⣿⡟⠁⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠛⠷⠦⠤⠤⠴⠶⠶⠶⠶⠚⠉⠀⠀⠈⣉⣩⠽⠟⠋⠁⠀⠀⣁⣠⠿⠛⠋⠉⠉⠉⠁⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠉⠉⠉⠉⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ Oops! Something went wrong! You may want to report this to the Observium developers.
explode(): Argument #2 ($string) must be of type string, array given in /opt/observium/includes/polling/applications/powerdns.inc.php:17
Stack trace:
#0: (unknown function) called at [/opt/observium/includes/polling/applications/powerdns.inc.php:17] 12: */ 13: 14: if (!empty($agent_data['app']['powerdns'])) { 15: $app_id = discover_app($device, 'powerdns'); 16: 17: foreach (explode(",", $agent_data['app']['powerdns']) as $line) { 18: [$key, $value] = explode("=", $line, 2); 19: $powerdns[$key] = $value; 20: } 21: 22: $data = [
#1: explode called at [/opt/observium/includes/polling/applications/powerdns.inc.php:17] 12: */ 13: 14: if (!empty($agent_data['app']['powerdns'])) { 15: $app_id = discover_app($device, 'powerdns'); 16: 17: foreach (explode(",", $agent_data['app']['powerdns']) as $line) { 18: [$key, $value] = explode("=", $line, 2); 19: $powerdns[$key] = $value; 20: } 21: 22: $data = [
#2: include called at [/opt/observium/includes/polling/applications.inc.php:51] 46: echo $app_type . ' '; 47: 48: // One include per application type. Multiple instances currently handled within the application code 49: $app_include = $config['install_dir'] . '/includes/polling/applications/' . $app_type . '.inc.php'; 50: if (is_file($app_include)) { 51: include($app_include); 52: } else { 53: echo($app_type . ' include missing! '); 54: } 55: 56: }
#3: include called at [/opt/observium/includes/polling/functions.inc.php:315] 310: 311: print_cli_heading("Module Start: %R" . $module); 312: 313: $m_start = utime(); 314: 315: include($config['install_dir'] . "/includes/polling/$module.inc.php"); 316: 317: $m_end = utime(); 318: 319: $m_run = round($m_end - $m_start, 4); 320: $device_state['poller_mod_perf'][$module] = $m_run;
#4: poll_device called at [/opt/observium/poller.php:175] 170: $params[] = $config['poller_id']; 171: } 172: 173: foreach (dbFetch($query, $params) as $device) { 174: $device = dbFetchRow("SELECT * FROM `devices` WHERE `device_id` = ?", [$device['device_id']]); 175: poll_device($device, $options); 176: $polled_devices++; 177: } 178: 179: $poller_end = utime(); 180: $poller_run = $poller_end - $poller_start;