[checkmk-commits] 5511 FIX cmk-update-agent: Improve prelink handling

Module: check_mk Branch: master Commit: 6b2ede752bb46a76aed48a4cdbc4bbd2b6144a1f URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=6b2ede752bb46a… Author: Andreas Umbreit &lt;au(a)mathias-kettner.de&gt; Date: Fri Sep 28 09:49:41 2018 +0200 5511 FIX cmk-update-agent: Improve prelink handling With werk #5507, we tried to mitigate the impact of prelink on the agent updater binary. However, it turned out that the corresponding files did not survive every Check_MK Agent update scenarios. First of all, please note that we do not recommend the usage of prelink at all, as its benefit is questionable and there are some issues (not limited the the cmk-update-agent binary) that may occur by applying it to a system. Now, with this werk, the prelink exception for the cmk-update-agent is placed on the target system in a more robust way. A blacklist-file at <pre>/etc/prelink.conf.d/cmk-update-agent.conf</pre> is now placed on the target system regardless of an existing prelink-installation. If prelink is installed on the target system (i.e. the file /etc/prelink.conf exists), our blacklist-file will be referenced as an additional prelink configuration file. If prelink gets installed on the system after the Check_MK Agent, you have to reference the blacklist-file by yourself. You can do this by adding a line <pre> -c /etc/prelink.conf.d/cmk-update-agent.conf </pre> to <pre>/etc/prelink.conf</pre>. However, this mechanism is only available for .rpm and .deb Check_MK Agent pakages. (Jira Issue: CMK-1056) Change-Id: Ia65d9dbdc214c405dbe04aa991e43c48c5fa7ab8 --- .werks/5511 | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/.werks/5511 b/.werks/5511 new file mode 100644 index 0000000..c970407 --- /dev/null +++ b/.werks/5511 @@ -0,0 +1,32 @@ +Title: cmk-update-agent: Improve prelink handling +Level: 1 +Component: agents +Class: fix +Compatible: compat +Edition: cee +State: unknown +Version: 1.6.0i1 +Date: 1538119495 + + +With werk #5507, we tried to mitigate the impact of prelink on the agent updater binary. +However, it turned out that the corresponding files did not survive every Check_MK Agent +update scenarios. + +First of all, please note that we do not recommend the usage of prelink at all, +as its benefit is questionable and there are some issues +(not limited the the cmk-update-agent binary) that may occur by applying it to a system. + +Now, with this werk, the prelink exception for the cmk-update-agent is placed on the target +system in a more robust way. +A blacklist-file at <tt>/etc/prelink.conf.d/cmk-update-agent.conf</tt> is +now placed on the target system regardless of an existing prelink-installation. +If prelink is installed on the target system (i.e. the file <tt>/etc/prelink.conf</tt> exists), +our blacklist-file will be referenced as an additional prelink configuration file. +If prelink gets installed on the system after the Check_MK Agent, you have to reference +the blacklist-file by yourself. You can do this by adding a line +<pre>-c /etc/prelink.conf.d/cmk-update-agent.conf</pre> +to <tt>/etc/prelink.conf</tt>. + +However, this mechanism is only available for .rpm and .deb Check_MK Agent pakages. +