** Description changed:
- apache2ctl detects if systemd is in use by looking at the owner of
/proc/1/exe.
- Under docker, however, this cannot be relied on and may simply be the command
being run:
+ apache2ctl detects if systemd is in use by looking at the owner of
+ /proc/1/exe.
- $ docker run --rm --name "apache2-test" 26ff08910bcd ls -l /proc/1/exe
- lrwxrwxrwx 1 root root 0 Feb 23 22:07 /proc/1/exe -> /usr/bin/ls
+ Under docker, however, this cannot be relied on and may simply be the
+ command being run:
- Another way to look for systemd is [ -d /run/systemd/system ], which
- may be worth having as a fallback to check if /proc/1 is not systemd.
+ $ docker run --rm --name "apache2-test" 26ff08910bcd ls -l /proc/1/exe
+ lrwxrwxrwx 1 root root 0 Feb 23 22:07 /proc/1/exe -> /usr/bin/ls
+
+ This is seen as causing OCI build failures, with an error such as:
+
+ ...
+ Enabling site 000-default.
+ update-rc.d: error: no runlevel symlinks to modify, aborting!
+ dpkg: error processing package apache2 (--configure):
+ installed apache2 package post-installation script subprocess returned error
exit status 1
+ Processing triggers for libc-bin (2.33-0ubuntu2) ...
+ Errors were encountered while processing:
+ apache2
+ ...
+
+ [Proposed Fix]
+ Another way to look for systemd is [ -d /run/systemd/system ], which may be
worth having as a fallback to check if /proc/1 is not systemd.
** Changed in: apache2 (Ubuntu)
Status: New => In Progress
** Changed in: apache2 (Ubuntu)
Importance: Undecided => High
** Changed in: apache2 (Ubuntu)
Assignee: (unassigned) => Bryce Harrington (bryce)
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https://bugs.launchpad.net/bugs/1918209
Title:
Detection of systemd breaks building in docker
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