[LDM #FST-256974]: updating to latest ldm version causes hanging

You appear to be downloading, building, and installing the LDM as root.

That's not what we do or recommend. I hope it doesn't cause problems.

> I adjusted the code so the actions run by root and the actions run by ldm
> user are separated, here it is just for completeness/reference
> 
> #LDM Variables
> $LDM_HOME='/home/ldm'
> $LDM_SCRIPT='/home/ldm/install_ldm.sh'
> $LDM_FTP='ftp://ftp.unidata.ucar.edu/pub/ldm'
> $LDM_VERSION=(Invoke-WebRequest -Uri "$LDM_FTP/versions" -UseBasicParsing
> -Verbose:$false).RawContent.Split()[2].Replace('.tar.gz','')
> $LDM_ZIP="ldm-$LDM_VERSION.tar.gz"
> $LDM_LOG='/tmp/ldm_install.log'
> Write-Verbose "LDM Version is $LDM_VERSION"
> 
> #Create LDM Home Directory
> nxFile ldmhome {
> Ensure = 'Present'
> DestinationPath = $LDM_HOME
> Type = 'directory'
> Owner = 'ldm'
> Group = 'domain users'
> Mode = '700'
> }
> 
> #Script which contains the part of the LDM install to be run as the ldm user
> $ldminstallscriptcontents=@"
> #!/bin/bash
> 
> #remove link to previous version
> if [ -L $LDM_HOME/runtime ]
> then
> rm -f $LDM_HOME/runtime
> fi
> 
> #download
> wget --directory-prefix $LDM_HOME $LDM_FTP/$LDM_ZIP > $LDM_LOG 2>&1
> 
> #unzip
> cd $LDM_HOME
> gunzip -c $LDM_ZIP | pax -r '-s:/:/src/:'
> rm $LDM_ZIP
> 
> #configure and build
> cd $LDM_HOME/ldm-$LDM_VERSION/src/
> ./configure --disable-root-actions >> $LDM_LOG 2>&1
> make install >> $LDM_LOG 2>&1
> "@
> nxFile ldminstallscript {
> Ensure = 'Present'
> DestinationPath=$LDM_SCRIPT
> Contents=LinuxString($ldminstallscriptcontents)
> Type='file'
> Owner='ldm'
> Group='domain users'
> Mode='700'
> }
> 
> #Install LDM
> nxScript ldmApplication {
> GetScript = @"
> #do nothing
> "@
> SetScript = @"
> #!/bin/bash
> 
> #stop ldm if it is running
> if [ -f $LDM_HOME/ldmd.pid ]
> then
> systemctl stop ldm
> fi
> 
> #run the install script which contains the actions to be run as the ldm user
> sudo -u ldm $LDM_SCRIPT
> 
> #run make root-actions command which sets some of the ldm binaries back to
> root
> cd $LDM_HOME/ldm-$LDM_VERSION/src/
> make root-actions >> $LDM_LOG 2>&1
> "@
> TestScript = @"
> #!/bin/bash
> if [ -f $LDM_HOME/ldm-$LDM_VERSION/bin/ldmadmin ]
> then
> exit 0
> else
> exit 1
> fi
> "@
> DependsOn = '[nxFile]ldmhome',
> '[nxFile]ldminstallscript',
> '[nxPackage]wget',
> '[nxPackage]pax',
> '[nxPackage]gcc',
> '[nxPackage]libxml2_devel',
> '[nxPackage]libstdc_static',
> '[nxPackage]zlib_devel',
> '[nxPackage]make',
> '[nxPackage]bc',
> '[nxPackage]perl'
> }
> 
> 
> 
> and here are the resultant permissions:
> 
> [ldm@NOAA8203-LDM2 bin]$ ls -l
> total 1528
> lrwxrwxrwx. 1 ldm  domain users      5 Aug 15 16:59 afos -> pqing
> lrwxrwxrwx. 1 ldm  domain users      5 Aug 15 16:59 ddplus -> pqing
> lrwxrwxrwx. 1 ldm  domain users      5 Aug 15 16:59 dds -> pqing
> -rwxr-xr-x. 1 ldm  domain users    619 Aug 15 16:59 ensureLdmhomeLinks
> -rwxr-xr-x. 1 ldm  domain users    156 Aug 15 16:59 ensureRpcEntry
> -rwxr-xr-x. 1 ldm  domain users    173 Aug 15 16:59 ensureServicesEntry
> -rwxr-xr-x. 1 ldm  domain users   1700 Aug 15 16:59 ensureSyslogEntry
> -rwxr-xr-x. 1 ldm  domain users    612 Aug 15 16:59 ensureVar
> -rwxr-xr-x. 1 ldm  domain users  44896 Aug 15 16:59 feedme
> lrwxrwxrwx. 1 ldm  domain users      5 Aug 15 16:59 feedtest -> pqing
> lrwxrwxrwx. 1 ldm  domain users      5 Aug 15 16:59 hds -> pqing
> lrwxrwxrwx. 1 ldm  domain users      5 Aug 15 16:59 hrs -> pqing
> -rwsr-xr--. 1 root domain users  12728 Aug 15 16:59 hupsyslog
> lrwxrwxrwx. 1 ldm  domain users      5 Aug 15 16:59 ids -> pqing
> -rwxr-xr-x. 1 ldm  domain users  60750 Aug 15 16:59 ldmadmin
> -rwsr-xr--. 1 root domain users  68880 Aug 15 16:59 ldmd
> -rwxr-xr-x. 1 ldm  domain users   7331 Aug 15 16:59 ldmfail
> -rwxr-xr-x. 1 ldm  domain users  33888 Aug 15 16:59 ldmping
> -rwxr-xr-x. 1 ldm  domain users  38344 Aug 15 16:59 ldmsend
> -rwxr-xr-x. 1 ldm  domain users   8993 Aug 15 16:59 netcheck
> -rwxr-xr-x. 1 ldm  domain users    910 Aug 15 16:59 newlog
> -rwxr-xr-x. 1 ldm  domain users  36720 Aug 15 16:59 notifyme
> -rwxr-xr-x. 1 ldm  domain users   6644 Aug 15 16:59 plotMetrics
> lrwxrwxrwx. 1 ldm  domain users      5 Aug 15 16:59 pps -> pqing
> -rwxr-xr-x. 1 ldm  domain users  47592 Aug 15 16:59 pq_test_insert
> -rwxr-xr-x. 1 ldm  domain users 228448 Aug 15 16:59 pqact
> -rwxr-xr-x. 1 ldm  domain users  42992 Aug 15 16:59 pqcat
> -rwxr-xr-x. 1 ldm  domain users  23904 Aug 15 16:59 pqcheck
> -rwxr-xr-x. 1 ldm  domain users  34952 Aug 15 16:59 pqcopy
> -rwxr-xr-x. 1 ldm  domain users  21624 Aug 15 16:59 pqcreate
> -rwxr-xr-x. 1 ldm  domain users  42416 Aug 15 16:59 pqexpire
> -rwxr-xr-x. 1 ldm  domain users 167288 Aug 15 16:59 pqing
> -rwxr-xr-x. 1 ldm  domain users  38328 Aug 15 16:59 pqinsert
> -rwxr-xr-x. 1 ldm  domain users  35416 Aug 15 16:59 pqmon
> -rwxr-xr-x. 1 ldm  domain users  53872 Aug 15 16:59 pqsend
> -rwxr-xr-x. 1 ldm  domain users  83648 Aug 15 16:59 pqsurf
> -rwxr-xr-x. 1 ldm  domain users 110224 Aug 15 16:59 pqutil
> -rwxr-xr-x. 1 ldm  domain users    535 Aug 15 16:59 refresh_logging
> -rwxr-xr-x. 1 ldm  domain users  14912 Aug 15 16:59 regex
> -rwxr-xr-x. 1 ldm  domain users  43728 Aug 15 16:59 regutil
> -rwxr-xr-x. 1 ldm  domain users   1958 Aug 15 16:59 rpmUserActions
> -rwxr-xr-x. 1 ldm  domain users  99088 Aug 15 16:59 rtstats
> -rwxr-xr-x. 1 ldm  domain users   4283 Aug 15 16:59 scour
> -rwxr-xr-x. 1 ldm  domain users   7380 Aug 15 16:59 syscheck
> -rwxr-xr-x. 1 ldm  domain users  24688 Aug 15 16:59 uldbutil
> -rwxr-xr-x. 1 ldm  domain users  24000 Aug 15 16:59 ulogger
> -rwxr-xr-x. 1 ldm  domain users    246 Aug 15 16:59 updateGempakTables
> -rwxr-xr-x. 1 ldm  domain users   1029 Aug 15 16:59 wasReceived

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: FST-256974
Department: Support LDM
Priority: Normal
Status: Closed
===================
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