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Summary:ASTERISK-26350: safe_asterisk script fails to start if there is no /dev/tty9 (openvz/lxc)
Reporter:Walter Doekes (wdoekes)Labels:
Date Opened:2016-09-09 06:23:10Date Closed:2016-12-09 07:09:40.000-0600
Priority:MinorRegression?No
Status:Closed/CompleteComponents:
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Description:If you use the safe_asterisk script, it uses hardcoded defaults before running configurable values from /etc/asterisk/startup.d.

One of those hardcoded values is TTY=9.

When it gets to this bit:
{noformat}
# Don't fork when running "safely"
#
ASTARGS=""
if test -n "$TTY" && test "$TTY" != "no"; then
       if test -c /dev/tty${TTY}; then
               TTY=tty${TTY}
       elif test -c /dev/vc/${TTY}; then
               TTY=vc/${TTY}
       else
               message "Cannot find specified TTY (${TTY})"
               exit 1
       fi
       ASTARGS="${ASTARGS} -vvvg"
       if test "$CONSOLE" != "no"; then
               ASTARGS="${ASTARGS} -c"
       fi
fi
{noformat}
safe_asterisk stops if there is no /dev/tty9 and no /dev/vc/9, before custom config from startup.d is run where we can alter the TTY= value.

In certain containerized environments (e.g. lxc and openvz) there is no /dev/tty9, and safe_asterisk is unusable unless manually altered.

Suggested fix: don't die at that point, but simply warn and blank out the TTY variable.
Comments:By: Asterisk Team (asteriskteam) 2016-09-09 06:23:11.362-0500

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].