Logging

Orabuntu-LXC logs the installation using sudo and sudoreplay. The logs of install sessions are stored at /opt/olxc/installs/logs. The typical code that creates the logging facility is shown below (this example is from anylinux-services.VM.ON.HUB.HOST.1500).

if [ ! -d "$DistDir"/installs/logs ]
then
        sudo mkdir -p "$DistDir"/installs/logs
fi

if [ -f "$DistDir"/installs/logs/$USER.log ]
then
        sudo mv "$DistDir"/installs/logs/$USER.log "$DistDir"/installs/logs/$USER.log.$LOGEXT
fi

if [ ! -d /var/log/sudo-io ]
then
        sudo mkdir -m 750 /var/log/sudo-io
fi

if [ ! -f /etc/sudoers.d/orabuntu-lxc ]
then

        sudo sh -c "echo 'Defaults      logfile=\"$DistDir/installs/logs/$USER.log\"'                      >> /etc/sudoers.d/orabuntu-lxc"

        sudo sh -c "echo 'Defaults      log_input,log_output'                                                           >> /etc/sudoers.d/orabuntu-lxc"

        sudo sh -c "echo 'Defaults      iolog_dir=/var/log/sudo-io/%{user}'                                             >> /etc/sudoers.d/orabuntu-lxc"

sudo chmod 0440 /etc/sudoers.d/orabuntu-lxc
fi

During the install the logging can be monitored by using the following command as shown below.

[ubuntu@oracle76b logs]$ pwd
/opt/olxc/installs/logs
[ubuntu@oracle76b logs]$ ls -lrt

total 1284
-rw-r--r--. 1 ubuntu ubuntu 889205 Apr 14 12:30 ubuntu.log
[ubuntu@oracle76b logs]$ sudo tail -f ubuntu.log
[sudo] password for ubuntu:
    ; USER=root ; TSID=0002ZB ; COMMAND=/bin/lxc-create -n oel76c13 -t oracle --
    --release=7.6
Apr 14 12:29:17 : ubuntu : TTY=pts/0 ;
    PWD=/home/ubuntu/Downloads/orabuntu-lxc-6.11.5-beta/anylinux ; USER=root ;
    COMMAND=validate
Apr 14 12:30:17 : ubuntu : TTY=pts/0 ;
    PWD=/home/ubuntu/Downloads/orabuntu-lxc-6.11.5-beta/anylinux ; USER=root ;
    COMMAND=validate
Apr 14 12:30:30 : ubuntu : TTY=pts/1 ; PWD=/opt/olxc/installs/logs ; USER=root ;
    TSID=0002ZC ; COMMAND=/bin/tail -f ubuntu.log
Apr 14 12:31:17 : ubuntu : TTY=pts/0 ;
    PWD=/home/ubuntu/Downloads/orabuntu-lxc-6.11.5-beta/anylinux ; USER=root ;
    COMMAND=validate

The sudoreplay facility can then be used to actually play back the entire install session as a video. The session playback can be speeded up or slowed down to quickly get to a specific phase of the install.

For example, to replay the actual install result for any step that involved "lxc-2.0.8-1.el7.x86_64.rpm" that was built from source code by Orabuntu-LXC during the install, the following steps could be used as shown below.

[ubuntu@oracle76b logs]$ sudo sudoreplay -l | grep -A2 -B2 lxc-2.0.8-1.el7.x86_64.rpm

Apr
 14 11:51:53 2019 : ubuntu : TTY=/dev/pts/0 ; 
CWD=/opt/olxc/home/ubuntu/Downloads/orabuntu-lxc-6.11.5-beta/uekulele/lxc
 ; USER=root ; TSID=ubuntu/00/02/RA ; COMMAND=/bin/sed -i 
/sysconfig/s/\*// 
/opt/olxc//home/ubuntu/Downloads/orabuntu-lxc-6.11.5-beta/uekulele/lxc/lxc.spec

Apr
 14 11:51:53 2019 : ubuntu : TTY=/dev/pts/0 ; 
CWD=/opt/olxc/home/ubuntu/Downloads/orabuntu-lxc-6.11.5-beta/uekulele/lxc
 ; USER=root ; TSID=ubuntu/00/02/RB ; COMMAND=/bin/sh -c echo 
'%_unpackaged_files_terminate_build 0' >> /etc/rpm/macros

Apr
 14 11:55:54 2019 : ubuntu : TTY=/dev/pts/0 ; 
CWD=/opt/olxc/home/ubuntu/Downloads/orabuntu-lxc-6.11.5-beta/uekulele/lxc/rpmbuild/RPMS/x86_64
 ; USER=root ; TSID=ubuntu/00/02/RC ; COMMAND=/bin/yum -y localinstall 
lxc-2.0.8-1.el7.x86_64.rpm lxc-debuginfo-2.0.8-1.el7.x86_64.rpm 
lxc-devel-2.0.8-1.el7.x86_64.rpm lxc-libs-2.0.8-1.el7.x86_64.rpm

Apr
 14 11:56:16 2019 : ubuntu : TTY=/dev/pts/0 ; 
CWD=/opt/olxc/home/ubuntu/Downloads/orabuntu-lxc-6.11.5-beta/uekulele/lxc
 ; USER=root ; TSID=ubuntu/00/02/RD ; COMMAND=/bin/lxc-checkconfig

Apr
 14 11:56:26 2019 : ubuntu : TTY=/dev/pts/0 ; 
CWD=/opt/olxc/home/ubuntu/Downloads/orabuntu-lxc-6.11.5-beta/uekulele/lxc
 ; USER=root ; TSID=ubuntu/00/02/RE ; COMMAND=/sbin/ifconfig virbr0

[ubuntu@oracle76b logs]$ sudo sudoreplay ubuntu/00/02/RC

Replaying
 sudo session: /bin/yum -y localinstall lxc-2.0.8-1.el7.x86_64.rpm 
lxc-debuginfo-2.0.8-1.el7.x86_64.rpm lxc-devel-2.0.8-1.el7.x86_64.rpm 
lxc-libs-2.0.8-1.el7.x86_64.rpm

Loaded plugins: langpacks, ulninfo
Examining lxc-2.0.8-1.el7.x86_64.rpm: lxc-2.0.8-1.el7.x86_64
Marking lxc-2.0.8-1.el7.x86_64.rpm as an update to lxc-1.1.5-2.0.11.el7.x86_64
Examining lxc-debuginfo-2.0.8-1.el7.x86_64.rpm: lxc-debuginfo-2.0.8-1.el7.x86_64
Marking lxc-debuginfo-2.0.8-1.el7.x86_64.rpm to be installed
Examining lxc-devel-2.0.8-1.el7.x86_64.rpm: lxc-devel-2.0.8-1.el7.x86_64
Marking lxc-devel-2.0.8-1.el7.x86_64.rpm to be installed
Examining lxc-libs-2.0.8-1.el7.x86_64.rpm: lxc-libs-2.0.8-1.el7.x86_64
Marking lxc-libs-2.0.8-1.el7.x86_64.rpm as an update to lxc-libs-1.1.5-2.0.11.el7.x86_64
Resolving Dependencies
--> Running transaction check
---> Package lxc.x86_64 0:1.1.5-2.0.11.el7 will be updated
---> Package lxc.x86_64 0:2.0.8-1.el7 will be an update
---> Package lxc-debuginfo.x86_64 0:2.0.8-1.el7 will be installed
---> Package lxc-devel.x86_64 0:2.0.8-1.el7 will be installed
---> Package lxc-libs.x86_64 0:1.1.5-2.0.11.el7 will be updated
---> Package lxc-libs.x86_64 0:2.0.8-1.el7 will be an update
--> Finished Dependency Resolution

Dependencies Resolved

===================================================================================================================================================================================================================

===================================================================================================================================================================================================================

Installing:

 lxc-debuginfo                                  
 x86_64                                   
2.0.8-1.el7                                    
/lxc-debuginfo-2.0.8-1.el7.x86_64                                   3.8 M

 lxc-devel                                      
 x86_64                                   
2.0.8-1.el7                                    
/lxc-devel-2.0.8-1.el7.x86_64                                        38 k

Updating:

 lxc                                            
 x86_64                                   
2.0.8-1.el7                                    
/lxc-2.0.8-1.el7.x86_64                                             959 k

 lxc-libs                                       
 x86_64                                   
2.0.8-1.el7                                    
/lxc-libs-2.0.8-1.el7.x86_64                                        688 k

Transaction Summary

===================================================================================================================================================================================================================

Install 2 Packages
Upgrade 2 Packages

Total size: 5.5 M
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction

 
 Updating   : 
lxc-libs-2.0.8-1.el7.x86_64                                                                                                                                                                    
 1/6

  Updating   : 
lxc-2.0.8-1.el7.x86_64                                                                                                                                                                         
 2/6

/var/tmp/rpm-tmp.yKJgxS: line 14: /usr/local/etc/default/lxc-net: No such file or directory
warning: %post(lxc-2.0.8-1.el7.x86_64) scriptlet failed, exit status 1
Non-fatal POSTIN scriptlet failure in rpm package lxc-2.0.8-1.el7.x86_64

 
 Installing : 
lxc-devel-2.0.8-1.el7.x86_64                                                                                                                                                                   
 3/6

  Installing : 
lxc-debuginfo-2.0.8-1.el7.x86_64                                                                                                                                                               
 4/6

  Cleanup    : 
lxc-1.1.5-2.0.11.el7.x86_64                                                                                                                                                                    
 5/6

  Cleanup    : 
lxc-libs-1.1.5-2.0.11.el7.x86_64                                                                                                                                                               
 6/6

  Verifying  : 
lxc-2.0.8-1.el7.x86_64                                                                                                                                                                         
 1/6

  Verifying  : 
lxc-debuginfo-2.0.8-1.el7.x86_64                                                                                                                                                               
 2/6

  Verifying  : 
lxc-devel-2.0.8-1.el7.x86_64                                                                                                                                                                   
 3/6

  Verifying  : 
lxc-libs-2.0.8-1.el7.x86_64                                                                                                                                                                    
 4/6

  Verifying  : 
lxc-1.1.5-2.0.11.el7.x86_64                                                                                                                                                                    
 5/6

  Verifying  : 
lxc-libs-1.1.5-2.0.11.el7.x86_64                                                                                                                                                               
 6/6

Installed:

  
lxc-debuginfo.x86_64 
0:2.0.8-1.el7                                                                        
 lxc-devel.x86_64 
0:2.0.8-1.el7

Updated:

  lxc.x86_64 
0:2.0.8-1.el7                                                                             
 lxc-libs.x86_64 
0:2.0.8-1.el7

Complete!
[ubuntu@oracle76b logs]$

Note that when the command "sudo sudoreplay ubunt/00/02/RC" runs, what is shown in terminal is a recording of the the actual session played back.

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