Is this your first installation or did you just upgrade to xcat2.8.1 and this was working before?
The use of the postscript templates is document here. Including how to use precreatemypostscripts. You do not need to do this, it is optional. https://sourceforge.net/apps/mediawiki/xcat/index.php?title=Postscripts_and_Prescripts Your custom postscript ""sab-basec6-setup" should be put in the /install/posstcripts directory as always and you modify the postscripts table, postscripts attribute to say when you want it to run. If it is still in /tftpboot/mypostscripts directory, remove it. As far as the dsa_key is concerned, it may be the dsa_key on the Management Node has become corrupted. I would suggest running xcatconfig -k to regenerate the root ssh keys then run updatenode scl-p03-mn -V -k ( you will be prompted for the password) . this will run remoteshell and you can check to see if it run cleanly. On the node make sure I would then set site.precreatemypostscripts=0 Then run your install again nodeset scl-p03-mn osimage=centos6.4-x86_64-install-all rsetboot scl-p03-mn net rpower scl-p03-mn boot It is true the wget will not find the file but it will then run another command from the node (getpostcript.awk) that will create the file and then can download it. The wget and the getpostscript.awk will not work, if the node cannot contact the Management node by the ip address defined for it in the site table master attribute. I am assuming you are not using service nodes. Makesure SELinux is not enabled on the MN also. https://sourceforge.net/apps/mediawiki/xcat/index.php?title=XCAT_iDataPlex_Cluster_Quick_Start#.5BRH.5D_Ensure_that_SELinux_is_Disabled Lissa K. Valletta 8-3/B10 Poughkeepsie, NY 12601 (tie 293) 433-3102 From: Lohit Valleru <[email protected]> To: [email protected], Date: 06/13/2013 01:35 PM Subject: [xcat-user] getcredentials ssh_dsa_hostkey hangs - node does not deploy With xCAT Version 2.8.1 (svn r16213, built Tue May 7 22:55:07 EDT 2013). Name : xCAT Relocations: /opt/xcat Version : 2.8.1 Vendor: IBM Corp. Release : snap201305072259 Build Date: Tue 07 May 2013 10:59:39 PM EDT Install Date: Tue 11 Jun 2013 11:52:18 PM EDT Build Host: c97p3l4vp01.ppd.pok.ibm.com Group : Applications/System Source RPM: xCAT-2.8.1-snap201305072259.src.rpm Size : 0 License: EPL Signature : DSA/SHA1, Tue 07 May 2013 10:59:48 PM EDT, Key ID 20e475a8da736c68 Packager : IBM Corp. Summary : Meta-package for a common, default xCAT setup Description : perl-xCAT.noarch 4:2.8.1-snap201305072255 xCAT.x86_64 2.8.1-snap201305072259 xCAT-client.noarch 4:2.8.1-snap201305072255 xCAT-genesis-base-x86_64.noarch xCAT-genesis-scripts-x86_64.noarch xCAT-server.noarch 4:2.8.1-snap201305072255 Please find the procedure as below : 1. First Scenario During Normal Installation of a Stateful Node, with following commands. nodeset scl-p03-mn osimage=centos6.4-x86_64-install-all rsetboot scl-p03-mn net rpower scl-p03-mn boot Installation of OS completes fine, but default xCAT postscripts - syslog,remoteshell,syncfiles - do not run. Neither do my custom postscripts run. /var/log/httpd/access_log show : - - [10/Jun/2013:12:00:42 -0400] "GET /tftpboot/mypostscripts/mypostscript.scl-p03-mn.tmp HTTP/1.0" 404 328 "-" "Wget/1.12 (linux-gnu)" - - [10/Jun/2013:12:01:15 -0400] "GET /tftpboot/mypostscripts/mypostscript.scl-p03-mn.tmp HTTP/1.0" 404 328 "-" "Wget/1.12 (linux-gnu)" - - [10/Jun/2013:12:01:46 -0400] "GET /tftpboot/mypostscripts/mypostscript.scl-p03-mn.tmp HTTP/1.0" 404 328 "-" "Wget/1.12 (linux-gnu)" - - [10/Jun/2013:12:02:21 -0400] "GET /tftpboot/mypostscripts/mypostscript.scl-p03-mn.tmp HTTP/1.0" 404 328 "-" "Wget/1.12 (linux-gnu)" - - [10/Jun/2013:12:02:58 -0400] "GET /tftpboot/mypostscripts/mypostscript.scl-p03-mn.tmp HTTP/1.0" 404 328 "-" "Wget/1.12 (linux-gnu)" - - [10/Jun/2013:12:03:29 -0400] "GET /tftpboot/mypostscripts/mypostscript.scl-p03-mn.tmp HTTP/1.0" 404 328 "-" "Wget/1.12 (linux-gnu)" It goes on a loop searching for mypostscript.scl-p03-mn or mypostscript.scl-p03-mn.tmp, and after 10 retries - it gives up and boots without installing xCAT default postscripts or my custom postscript - "sab-basec6-setup" So when i change my custom postscript name "sab-basec6-setup" to "mypostscript.scl-p03-mn" and copy it into /tftpboot/mypostscripts/ xCAT detects the script during postinstall, and runs it, as i can find the log after reboot and the respective changes. However, xCAT still doesnt run its default xCAT postscripts - syslog,remoteshell,syncfiles. Second Scenario : I researched on this topic, and found out if enabling precreatemypostscripts=1 might solve this problem. After this step : If i run : nodeset scl-p03-mn osimage=centos6.4-x86_64-install-all I see that xCAT default mypostscript gets created inside /tftpboot -> mypostscript.scl-p03-mn Now when i run the below commands : nodeset scl-p03-mn osimage=centos6.4-x86_64-install-all rsetboot scl-p03-mn net rpower scl-p03-mn boot Installation of OS completes fine, but it hangs - when running postscripts. /var/log/messages shows: Jun 12 12:07:15 no kernel: imklog 5.8.10, log source = /proc/kmsg started. Jun 12 12:07:15 no rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="12708" x-info="http://www.rsyslog.com";] start Jun 12 12:07:15 no xCAT: Install: syslog setup Jun 12 12:07:15 no xcat: Install: setup /etc/ssh/sshd_config Jun 12 12:07:15 no xcat: Install: setup root .ssh Jun 12 12:07:37 no xCAT: Before ssh_dsa_hostkey is checked for error Jun 12 12:07:37 no xCAT: ssh_dsa_hostkey After some research - I found out it never comes of the infinite loop inside "remoteshell" script. while [ -z "$MYCONT" ]; do let SLI=$RANDOM%10 let SLI=SLI+10 sleep $SLI getcredentials.awk ssh_dsa_hostkey | grep -v '<'|sed -e 's/</</' -e 's/>/>/' -e 's/&/&/' -e 's/"/"/' -e "s/'/'/" > /etc/ssh/ssh_host_dsa_key MYCONT=`cat /etc/ssh/ssh_host_dsa_key` done I believe getcredentials.awk ssh_dsa_hostkey is not working as expected. After abrupt cancel of installation, and reboot of node - I find that /tmp/ssh_dsa_hostkey is blank ( which is the one getcredentials.awk is trying to read) Also, I observed that .ssh directory is not created inside root, though the code has passed that stage in remote shell. if [ -d /xcatpost/_ssh ] then logger -p local4.info -t xcat "Install: setup root .ssh" cd /xcatpost/_ssh mkdir -p /root/.ssh cp -f * /root/.ssh cd - >/dev/null chmod 700 /root/.ssh chmod 600 /root/.ssh/* fi I see that /var/log/messages mentions : Install: setup root .ssh , but mkdir -p /root/.ssh cp -f * /root/.ssh does not seem to be working. Third Scenario : I have also tried rinstall, giving custom definitions with provmethod=install. rinstall -o centos6.4 -p all -a x86_64 scl-p03-mn This did not make any difference. if /tftpboot/mypostscripts/mypostscript.scl-p03-mn exists ( where mypostscript.scl-p03-mn is default template created by xCAT) - then it goes on an infinite loop. ------------------------------------------------------- tcpdump, shows communication between xCAT port 3001 and the node, but i could make any sense out of the dump. May i please know, how can we correct this issue, and what is the correct procedure to run postscripts. Are we suppose to enable precreatemypostscripts=1 to run default postscripts? or it doesnt need to be enabled and nodeset is suppose to create mypostscript inside /tftpboot/mypostscripts ? Other than default xCAT postscripts - All I do is , add my custom postscripts to node definition - but they do not run, along with the default postscripts. Thanks, Lohit Valleru ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ xCAT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/xcat-user
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