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[Launchpad Bug Tracker <1578144@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package cacti-spine - 0.8.8b-1ubuntu1.1

---------------
cacti-spine (0.8.8b-1ubuntu1.1) xenial; urgency=medium

  * Add make_spine_sql_mode-strict_compatible.patch to enable cacti-spine
    to work with the default settings of MySQL 5.7 (LP: #1578144)

 -- Paul Gevers <elbrus@xxxxxxxxxx>  Sat, 14 May 2016 21:24:30 +0200

** Changed in: cacti-spine (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1578144

Title:
  cacti and cacti-spine are not compatible with MySQL 5.7 default
  sql_mode

Status in Cacti:
  Incomplete
Status in cacti package in Ubuntu:
  Fix Released
Status in cacti-spine package in Ubuntu:
  Fix Released
Status in cacti source package in Xenial:
  Fix Released
Status in cacti-spine source package in Xenial:
  Fix Released
Status in cacti source package in Yakkety:
  Fix Released
Status in cacti-spine source package in Yakkety:
  Fix Released

Bug description:
  [Impact]

   * When cacti and/or cacti-spine is used with the MySQL server on the same
     host and without modifications to the MySQL global setting, cacti fails to
     install and (e.g. for installations that upgraded) cacti and cacti-spine
     fail to run properly since MySQL 5.7 became the default (shortly before
     the Xenial release).

   * This bug renders the cacti and cacti-spine packages nearly useless for
     most users.

   * The fix forces the sql_mode NO_ZERO_DATE setting in the MySQL connection
     to be unset which enables the MySQL INSERT and UPDATE commands that
     involve the date "0000-00-00" to succeed.

  [Test Case]

   [ Verify issue ]

   * Install cacti on a xenial system with mysql-server installed, and see it
     fails during the population of the database via dbconfig-common. If the
     dbconfig-common defaults are choosen for the error handling (abort), the
     package fails to install.

   * Install cacti on a wily system with mysql-server installed. Connect to
     http://localhost/cacti, pass through the install process (i.e. hit "Ok",
     log in with admin/admin credentials and provide a new admin password).
     Then upgrade to xenial and see that every five minutes a line like the
     following is added to the /var/log/cacti/cacti.log file:

     05/13/2016 06:55:02 PM - CMDPHP: Poller[0] ERROR: A DB Exec
  Failed!, Error:'1292', SQL:"INSERT INTO poller_time (poller_id, pid,
  start_time, end_time) VALUES (0, 4044, NOW(), '0000-00-00 00:00:00')'

   * Install cacti-spine on a wily system with mysql-server installed. Connect
     to http://localhost/cacti, pass through the install process (i.e. hit
     "Ok", log in with admin/admin credentials and provide a new admin
     password). Now
     navigate to the settings item, select the poller tab and change the field
     "The poller type to use. This setting will take effect at next polling
     interval." to "spine". Then upgrade to xenial and see that every five
     minutes a line like the following is added to the /var/log/cacti/cacti.log
     file:

     05/13/2016 07:50:00 PM - SPINE: Poller[0] ERROR: SQL Failed!
  Error:'1292', Message:'Incorrect datetime value: '0000-00-00 00:00:00'
  for column 'end_time' at row 1', SQL Fragment:'INSERT INTO poller_time
  (poller_id, pid, start_time, end_time) VALUES (0, 4685, NOW(),
  '0000-00-00 00:00:00')'

   [ Verify fix ]

   * Install the proposed cacti package on a xenial system with mysql-server
     installed and very that it installs cleanly.

   * Same as previous point, but also connect to http://localhost/cacti, pass
     through the install process (i.e. hit "Ok", log in with admin/admin
     credentials and provide a new admin password). Verify that you see lines
     like the following appear every five minutes

     05/13/2016 07:09:59 PM - SYSTEM STATS: Time:298.6378 Method:cmd.php
  Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:5
  RRDsProcessed:5

     and that lines like the following line are absent:

     05/13/2016 06:55:02 PM - CMDPHP: Poller[0] ERROR: A DB Exec
  Failed!, Error:'1292', SQL:"INSERT INTO poller_time (poller_id, pid,
  start_time, end_time) VALUES (0, 4044, NOW(), '0000-00-00 00:00:00')'

   * Install cacti-spine on a xenial system with mysql-server installed.
     Connect to http://localhost/cacti, pass through the install process (i.e.
     hit "Ok", log in with admin/admin credentials and provide a new admin
     password). Now
     navigate to the settings item, select the poller tab and change the field
     "The poller type to use. This setting will take effect at next polling
     interval." to "spine".  Verify that you see lines like the following
     appear every five minutes

     05/14/2016 06:00:02 PM - SYSTEM STATS: Time:1.1864 Method:spine
  Processes:1 Threads:1 Hosts:2 HostsPerProcess:2 DataSources:5
  RRDsProcessed:5

     and that lines like the following line are absent:

     05/13/2016 07:50:00 PM - SPINE: Poller[0] ERROR: SQL Failed!
  Error:'1292', Message:'Incorrect datetime value: '0000-00-00 00:00:00'
  for column 'end_time' at row 1', SQL Fragment:'INSERT INTO poller_time
  (poller_id, pid, start_time, end_time) VALUES (0, 4685, NOW(),
  '0000-00-00 00:00:00')'

  [Regression Potential]

   * As the package is useless for most users, the regression potential is
     low. However, if people already changed their MySQL settings to exclude
     the NO_ZERO_DATE from the global settings there is a risk for regression.
     As there is only one SQL command added to the flow of commands and this
     command
     has been verified to work on systems with and withoug this sql_mode set, I
     can only imagin regressions related to the rebuilding of the packages with
     an updated build stack. Both packages were build very late in the release
     process as cacti-spine needed adjustments for the new libmysql package and
     cacti needed multiple fixes for the new php version.

  [Other Info]

   * I am the maintainer of cacti in Debian and will incorporate these changes
     in sid as well, as this solves the same issue in the case that cacti
     and/or cacti-spine are installed on a Debian system, but the MySQL server
     is already at version 5.7 or where the MySQL server has a sql_mode
     including NO_ZERO_DATE.

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