Copy syslog to STDERR (#2208)

* Use openlog before syslog
In order to have a copy on stderr when syslog is not available.

* Take advantage of syslog for actualization
Pipe cron job STDERR and syslog to Docker log
Cf. https://github.com/FreshRSS/FreshRSS/pull/2202/commits/00bd467655b7c060cdae388519b2413d12d8cb0f

3 files changed, 9 insertions, 0 deletions

diff --git a/lib/favicons.php b/lib/favicons.php
index fe2e65f1f..7a2d1187e 100644
--- a/lib/favicons.php
+++ b/lib/favicons.php
@@ -22,6 +22,7 @@ function isImgMime($content) {
 }
 
 function downloadHttp(&$url, $curlOptions = array()) {
+	prepareSyslog();
 	syslog(LOG_INFO, 'FreshRSS Favicon GET ' . $url);
 	if (substr($url, 0, 2) === '//') {
 		$url = 'https:' . $url;
diff --git a/lib/lib_install.php b/lib/lib_install.php
index d51a37e58..6e4df4e9c 100644
--- a/lib/lib_install.php
+++ b/lib/lib_install.php
@@ -81,6 +81,7 @@ function generateSalt() {
 function checkDb(&$dbOptions) {
 	$dsn = '';
 	$driver_options = null;
+	prepareSyslog();
 	try {
 		switch ($dbOptions['type']) {
 		case 'mysql':
diff --git a/lib/lib_rss.php b/lib/lib_rss.php
index 168309563..738ccf641 100644
--- a/lib/lib_rss.php
+++ b/lib/lib_rss.php
@@ -202,12 +202,19 @@ function html_only_entity_decode($text) {
 	return strtr($text, $htmlEntitiesOnly);
 }
 
+function prepareSyslog() {
+	return openlog("FreshRSS", LOG_PERROR | LOG_PID, LOG_USER);
+}
+
 function customSimplePie($attributes = array()) {
 	$system_conf = Minz_Configuration::get('system');
 	$limits = $system_conf->limits;
 	$simplePie = new SimplePie();
 	$simplePie->set_useragent(FRESHRSS_USERAGENT);
 	$simplePie->set_syslog($system_conf->simplepie_syslog_enabled);
+	if ($system_conf->simplepie_syslog_enabled) {
+		prepareSyslog();
+	}
 	$simplePie->set_cache_location(CACHE_PATH);
 	$simplePie->set_cache_duration($limits['cache_duration']);