Package: cacti
Version: 0.8.6c-7
Severity: normal
Due to the way I've configured my web server I had to change the owner
and group of /etc/cacti/debian.php. That works fine, but when I
upgrade cacti it changes the owner and group back to the default of
root/www-data. Please could you make the installation preserve the
existing ownership and permissions on that file if it already exists?
Also when there are the wrong permissions on that file the web error
messages displayed in the web interface don't indicate the cause of
the problem. They say this:
Notice: Undefined variable: database_hostname in
/usr/share/cacti/site/include/config.php on line 108
Notice: Undefined variable: database_username in
/usr/share/cacti/site/include/config.php on line 108
Notice: Undefined variable: database_password in
/usr/share/cacti/site/include/config.php on line 108
Notice: Undefined variable: database_default in
/usr/share/cacti/site/include/config.php on line 108
Warning: mysql_connect(): Access denied for user: '[EMAIL PROTECTED]' (Using
password: NO) in /usr/share/cacti/site/lib/adodb/drivers/adodb-mysql.inc.php on
line 339
[plus loads more copies of the last message]
On line 29 of /usr/share/cacti/site/include/config.php is the
following statement:
@include('/etc/cacti/debian.php');
The include statement only produces a warning (rather than an error)
if the file can't be included. And the "@" tells PHP to ignore even
that warning! Please can you change this from "@include" to "require"
so that you get a relevant error message like this:
Warning: main(/etc/cacti/debian.php): failed to open stream: Permission denied
in /usr/share/cacti/site/include/config.php on line 29
Fatal error: main(): Failed opening required '/etc/cacti/debian.php'
(include_path='.') in /usr/share/cacti/site/include/config.php on line 29
Also the poller produces no warnings or errors at all. So it's
possible to have the web interface working, but the poller silently
failing. If that's the case you can be unaware of the problem until
you happen to look at the graphs and notice that they're not working.
That is what just happened to me for what must now be the third or
forth time....
The cause of this throwing away of errors is /etc/cron.d/cacti which
contains this:
*/5 * * * * www-data /usr/share/cacti/site/poller.php >/dev/null 2>&1
So you're deliberately throwing away *all* output, include stderr!
Please could you change that crontab to this:
MAILTO=root
*/5 * * * * www-data /usr/share/cacti/site/poller.php >/dev/null
Then root will get emailed any errors (they'll be the same as you get
for the web interface as poller.php uses
/usr/share/cacti/site/include/config.php too).
Doing these things might help you with other bugs too (e.g. #308492).
Cheers,
Mark.
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.4.27-1-686-smp
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Versions of packages cacti depends on:
ii apache 1.3.33-4 versatile, high-performance HTTP s
ii apache-ssl 1.3.33-4 versatile, high-performance HTTP s
ii apache2-mpm-worker [apache2] 2.0.54-3 high speed threaded model for Apac
ii debconf 1.4.30.13 Debian configuration management sy
ii libphp-adodb 4.52-1 The 'adodb' database abstraction l
ii logrotate 3.7-2 Log rotation utility
ii mysql-client 4.0.24-5 mysql database client binaries
ii php4 4:4.3.10-13 server-side, HTML-embedded scripti
ii php4-cli 4:4.3.10-13 command-line interpreter for the p
ii php4-mysql 4:4.3.10-13 MySQL module for php4
ii php4-snmp 4:4.3.10-13 SNMP module for php4
ii rrdtool 1.0.49-1 Time-series data storage and displ
ii snmp 5.1.2-6.1 NET SNMP (Simple Network Managemen
ii ucf 1.17 Update Configuration File: preserv
-- debconf information excluded
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