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Important This documentation space contains information about the on-premises version of BMC Helix Discovery. If you are using the SaaS version of BMC Helix Discovery, see BMC Helix Discovery (SaaS).

Changes to Discovery commands


The following sections show the discovery command changes between BMC Discovery versions. 

The following changes are not shown:

  • Entirely new discovery platforms
  • Changes to comments only
  • Commands that have been removed and not replaced
  • Changes to echo-only statements

Discovery command changes from 24.3 to 25.2

The Hewlett Packard Enterprise NonStop platform was added.

Windows

getNetworkConnectionList

The following code:


Get-NetTCPConnection | ForEach-Object {
   "protocol: TCP";
   "local_ip_addr: {0}" -f $_.LocalAddress;
   "local_port: {0}" -f $_.LocalPort;

is replaced with:

 
Get-NetTCPConnection -State Listen,Established | ForEach-Object {
   "protocol: TCP";
   "local_ip_addr: {0}" -f $_.LocalAddress;
   "local_port: {0}" -f $_.LocalPort;

getPackageList

The following code:

 
       }
       if ($name) {
           "name: {0}" -f $name;
           "version: {0}" -f $item.DisplayVersion;
           if ($item.Publisher) {
               "vendor: {0}" -f $item.Publisher;
           }
 

is replaced with:

 

       }
       if ($name) {
           "name: {0}" -f $name;
           "version: {0}" -f ($item.DisplayVersion | Select-String '((?:\d+\.){1,3}\d+)' | ForEach-Object {$_.Matches[0].Groups[1].Value});
           if ($item.Publisher) {
               "vendor: {0}" -f $item.Publisher;
           }
 

initialise

The following code is added:


# Ensure that cmdlets don't report progress
$ProgressPreference = "SilentlyContinue"

getDeviceInfo

The following code:


$info = $null
if ($PSVersionTable.PSVersion.Major -gt 5 -or
   ($PSVersionTable.PSVersion.Major -eq 5 -And $PSVersionTable.PSVersion.Minor -ge 1)) {
   $info = Get-ComputerInfo
}

if ($info) {
   "hostname: {0}" -f $info.csDNSHostName;
   "domain: {0}" -f $info.csDomain;
} else {

is replaced with:


$info = $null
if ($PSVersionTable.PSVersion.Major -gt 5 -or
  ($PSVersionTable.PSVersion.Major -eq 5 -And
    $PSVersionTable.PSVersion.Minor -ge 1)) {
    try {
       $info = Get-ComputerInfo -ErrorAction SilentlyContinue;
   }
    catch {
   }
}

if ($info -And
   $info.csDNSHostName -And
   $info.csDomain) {
   "hostname: {0}" -f $info.csDNSHostName;
   "domain: {0}" -f $info.csDomain;
} else {

and the following code:


try {
   $fqdn = [System.Net.Dns]::GetHostByName($env:computerName).HostName;
   "fqdn: {0}" -f $fqdn;
}

is replaced with:


try {
   $fqdn = [System.Net.Dns]::GetHostEntry($env:computerName).HostName;
   "fqdn: {0}" -f $fqdn;
}

The following code:


###########################################################################
# Operating System details
if ($info) {
   "os: {0} Version {1} Build {2}" -f $info.OsName, $info.OsVersion, $info.OsBuildNumber;
   "os_version: {0}" -f $info.OsVersion;
   "os_build: {0}" -f $info.OsBuildNumber;
   if ($info.OsServicePackMajorVersion) {
       "service_pack: {0}" -f $info.OsServicePackMajorVersion;
   }
   "os_directory: {0}" -f $info.OsWindowsDirectory;
   "os_arch: {0}" -f $info.CsSystemType;
   "os_release: {0}" -f $info.WindowsVersion;
   "os_update_build_revision: {0}" -f $info.WindowsUBR;
} else {
   $os = Get-CIMInstance -Class Win32_OperatingSystem;
   "os: {0} Version {1} Build {2}" -f $os.Caption, $os.Version, $os.BuildNumber;
   "os_version: {0}" -f $os.Version;
   "os_build: {0}" -f $os.BuildNumber;
   if ($os.ServicePackMajorVersion) {
       "service_pack: {0}" -f $os.ServicePackMajorVersion;
   }
   "os_directory: {0}" -f $os.WindowsDirectory;
   "os_arch: {0}" -f $cs.SystemType;

   $tmp = Get-ItemProperty -Path "Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name ReleaseId -ErrorAction SilentlyContinue;
   if ($tmp) {
       "os_release: {0}" -f $tmp.ReleaseId;
   }
   $tmp = Get-ItemProperty -Path "Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name UBR -ErrorAction SilentlyContinue;
   if ($tmp) {
       "os_update_build_revision: {0}" -f $tmp.UBR;

is replaced with:


###########################################################################
# Operating System details
$os = Get-CIMInstance -Class Win32_OperatingSystem;
if ($info -And
   $info.OsName -And
   $info.OsVersion -And
   $info.OsBuildNumber) {
   "os: {0} Version {1} Build {2}" -f $info.OsName, $info.OsVersion, $info.OsBuildNumber;
   "os_version: {0}" -f $info.OsVersion;
   "os_build: {0}" -f $info.OsBuildNumber;
} else {
   "os: {0} Version {1} Build {2}" -f $os.Caption, $os.Version, $os.BuildNumber;
   "os_version: {0}" -f $os.Version;
   "os_build: {0}" -f $os.BuildNumber;
}

if ($info -And $info.OsServicePackMajorVersion) {
   "service_pack: {0}" -f $info.OsServicePackMajorVersion;
} elseif ($os.ServicePackMajorVersion) {
   "service_pack: {0}" -f $os.ServicePackMajorVersion;
}

if ($info -And $info.OsWindowsDirectory) {
   "os_directory: {0}" -f $info.OsWindowsDirectory;
} else {
   "os_directory: {0}" -f $os.WindowsDirectory;
}

if ($info -And $info.CsSystemType) {
   "os_arch: {0}" -f $info.CsSystemType;
} else {
   "os_arch: {0}" -f $cs.SystemType;
}

if ($info -And $info.WindowsVersion) {
   "os_release: {0}" -f $info.WindowsVersion;
} else {
   $tmp = Get-ItemProperty -Path "Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name ReleaseId -ErrorAction SilentlyContinue;
   if ($tmp) {
       "os_release: {0}" -f $tmp.ReleaseId;
   }
}

if ($info -And $info.WindowsUBR) {
   "os_update_build_revision: {0}" -f $info.WindowsUBR;
} else {
   $tmp = Get-ItemProperty -Path "Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name UBR -ErrorAction SilentlyContinue;
   if ($tmp) {
       "os_update_build_revision: {0}" -f $tmp.UBR;

Linux

A new script, getOSNamespaces is added.

initialise

The following code:

...
    PRIV_LSHW() {
       "$@"
   }
...
   }
    PRIV_LSOF() {
       "$@"
   }
...
    PRIV_LSHW() {
        sudo "$@"
   }
...
   # lsof requires superuser privileges to display information on processes
    # other than those running as the current user
    PRIV_LSOF() {
...
   # nsenter requires superuser privileges to run commands in alternative
    # namespaces
    PRIV_NSENTER() {
       "$@"
   }
   # Allow patterns to run commands with elevated privileges
    PRIV_RUNCMD() {
...
    PRIV_LSHW() {
       "$@"
   }
   # lsof requires superuser privileges to display information on processes
    # other than those running as the current user
  

is replaced with:

...
    PRIV_LSHW() {
       "$@"
   }
    PRIV_LSNS() {
       "$@"
   }
    PRIV_LSOF() {
       "$@"
   }
...
    PRIV_LSHW() {
        sudo "$@"
   }
   # lsns requires superuser privileges to read all OS namespaces
    PRIV_LSNS() {
        sudo "$@"
   }
   # lsof requires superuser privileges to display information on processes
    # other than those running as the current user
    PRIV_LSOF() {
...
   # nsenter requires superuser privileges to run commands in alternative
    # namespaces
    PRIV_NSENTER() {
        sudo "$@"
   }
   # Allow patterns to run commands with elevated privileges
    PRIV_RUNCMD() {
...
    PRIV_LSHW() {
       "$@"
   }
   # lsns requires superuser privileges to read all OS namespaces
    PRIV_LSNS() {
       "$@"
   }
   # lsof requires superuser privileges to display information on processes
    # other than those running as the current user
  

containerExec

The following code:


PRIV_NSENTER nsenter -t %(pid)s -m /bin/sh << 'TW_EOF_MARKER'
PATH=%(path)s
export PATH
  

is replaced with:

PRIV_NSENTER nsenter -t %(pid)s -m -p -w /bin/sh << 'TW_EOF_MARKER'
TW_CONTAINER_ID="%(container_id)s"
export TW_CONTAINER_ID

PATH=%(path)s
export PATH
  

getPackageList

The rpm command is removed.
The zypper command is added 
The apk-list command is added.

The following code:

rpm -qa --queryformat 'begin\nname: %{NAME}\nversion: %{VERSION}\nrelease: %{RELEASE}\narch: %{ARCH}\nvendor: %{VENDOR}\nepoch: %{EPOCH}\ndescription: %{SUMMARY}\nend\n' 2>/dev/null
 

is replaced with:


if [ -x /bin/rpm ]; then
    /bin/rpm -qa --queryformat 'begin\nname: %{NAME}\nversion: %{VERSION}\nrelease: %{RELEASE}\narch: %{ARCH}\nvendor: %{VENDOR}\nepoch: %{EPOCH}\ndescription: %{SUMMARY}\nend\n' 2>/dev/null
fi
 

getPackageList

The following code:

COLUMNS=256 dpkg -l '*' 2>/dev/null | grep -E '^ii '
 

is replaced with:

for binary in /bin/dpkg /usr/bin/dpkg
do
   if [ -x $binary ]; then
       COLUMNS=256 $binary -l '*' 2>/dev/null | grep -E '^ii '
       break
   fi
done

getDeviceInfo

The following code:

echo 'hostname:' `hostname 2>/dev/null`
echo 'fqdn:' `hostname --fqdn 2>/dev/null`
dns_domain=`hostname -d 2>/dev/null | sed -e 's/(none)//'`
if [ "$dns_domain" = "" -a -r /etc/resolv.conf ]; then
 dns_domain=`awk '/^(domain|search)/ {sub(/\\\\000$/, "", $2); print $2; exit }' /etc/resolv.conf 2>/dev/null`
fi
if [ "$dns_domain" = "." ]; then
   dns_domain=""
fi
echo 'dns_domain: ' $dns_domain

nis_domain=`domainname 2>/dev/null`
if [ "$nis_domain" = "" ]; then
 nis_domain=`hostname -y 2>/dev/null`
fi
echo 'domain: ' $nis_domain | sed -e 's/(none)//'

os=""
# VMware appliances
if [ "$os" = "" ]; then
   type=`cat /etc/vmware/deployment.node.type 2> /dev/null`
   # VMware vCenter Server Appliance
    version=`rpm -q --queryformat "%{VERSION} ${type} build %{RELEASE}" VMware-vpxd 2>/dev/null | grep build`

is replaced with:

if [ -z "$TW_CONTAINER_ID" ]; then
   echo 'hostname:' `hostname 2>/dev/null`
   echo 'fqdn:' `hostname --fqdn 2>/dev/null`
   dns_domain=`hostname -d 2>/dev/null | sed -e 's/(none)//'`
   if [ "$dns_domain" = "" -a -r /etc/resolv.conf ]; then
       dns_domain=`awk '/^(domain|search)/ {sub(/\\\\000$/, "", $2); print $2; exit }' /etc/resolv.conf 2>/dev/null`
   fi
   if [ "$dns_domain" = "." ]; then
       dns_domain=""
   fi
   echo 'dns_domain: ' $dns_domain

   nis_domain=`domainname 2>/dev/null`
   if [ "$nis_domain" = "" ]; then
   nis_domain=`hostname -y 2>/dev/null`
   fi
   echo 'domain: ' $nis_domain | sed -e 's/(none)//'
fi

os=""
# VMware appliances
if [ "$os" = "" -a -f /etc/vmware/deployment.node.type ]; then
   type=`cat /etc/vmware/deployment.node.type 2> /dev/null`
   # VMware vCenter Server Appliance
    version=`rpm -q --queryformat "%{VERSION} ${type} build %{RELEASE}" VMware-vpxd 2>/dev/null | grep build`

VMware ESX

A new script, getOSNamespaces is added.

initialise

The following code:

     PRIV_LSHW() {
        "$@"
    }
     PRIV_LSOF() {
        "$@"
    }
...
     PRIV_LSHW() {
         sudo "$@"
    }
    # lsof requires superuser privileges to display information on processes
     # other than those running as the current user
     PRIV_LSOF() {
...
    # nsenter requires superuser privileges to run commands in alternative
     # namespaces
     PRIV_NSENTER() {
        "$@"
    }
    # Allow patterns to run commands with elevated privileges
     PRIV_RUNCMD() {
...
     PRIV_LSHW() {
        "$@"
    }
    # lsof requires superuser privileges to display information on processes
     # other than those running as the current user
     PRIV_LSOF() {

is replaced with:

     PRIV_LSHW() {
        "$@"
    }
     PRIV_LSNS() {
        "$@"
   }
     PRIV_LSOF() {
        "$@"
    }
...
     PRIV_LSHW() {
         sudo "$@"
    }
    # lsns requires superuser privileges to read all OS namespaces
    PRIV_LSNS() {
         sudo "$@"
    }
    # lsof requires superuser privileges to display information on processes
     # other than those running as the current user
     PRIV_LSOF() {
...
    # nsenter requires superuser privileges to run commands in alternative
     # namespaces
     PRIV_NSENTER() {
         sudo "$@"
    }
    # Allow patterns to run commands with elevated privileges
     PRIV_RUNCMD() {
...
     PRIV_LSHW() {
        "$@"
    }
    # lsns requires superuser privileges to read all OS namespaces
     PRIV_LSNS() {
        "$@"
    }
    # lsof requires superuser privileges to display information on processes
     # other than those running as the current user
     PRIV_LSOF() {

containerExec

The following code:

PRIV_NSENTER nsenter -t %(pid)s -m /bin/sh << 'TW_EOF_MARKER'
PATH=%(path)s
export PATH

is replaced with:

PRIV_NSENTER nsenter -t %(pid)s -m -p -w /bin/sh << 'TW_EOF_MARKER'
TW_CONTAINER_ID="%(container_id)s"
export TW_CONTAINER_ID

PATH=%(path)s
export PATH

getPackageList

The rpm command is REMOVED.
The zypper command is ADDED.
The apk-list command is ADDED.

The following code:

rpm -qa --queryformat 'begin\nname: %{NAME}\nversion: %{VERSION}\nrelease: %{RELEASE}\narch: %{ARCH}\nvendor: %{VENDOR}\nepoch: %{EPOCH}\ndescription: %{SUMMARY}\nend\n' 2>/dev/null

is replaced with:

if [ -x /bin/rpm ]; then
    /bin/rpm -qa --queryformat 'begin\nname: %{NAME}\nversion: %{VERSION}\nrelease: %{RELEASE}\narch: %{ARCH}\nvendor: %{VENDOR}\nepoch: %{EPOCH}\ndescription: %{SUMMARY}\nend\n' 2>/dev/null
fi

The following code:

COLUMNS=256 dpkg -l '*' 2>/dev/null | grep -E '^ii '

is replaced with:

for binary in /bin/dpkg /usr/bin/dpkg
do
   if [ -x $binary ]; then
       COLUMNS=256 $binary -l '*' 2>/dev/null | grep -E '^ii '
       break
   fi
done

getDeviceInfo

The following code:

echo 'hostname:' `hostname 2>/dev/null`
echo 'fqdn:' `hostname --fqdn 2>/dev/null`
dns_domain=`hostname -d 2>/dev/null | sed -e 's/(none)//'`
if [ "$dns_domain" = "" -a -r /etc/resolv.conf ]; then
 dns_domain=`awk '/^(domain|search)/ {sub(/\\\\000$/, "", $2); print $2; exit }' /etc/resolv.conf 2>/dev/null`
fi
if [ "$dns_domain" = "." ]; then
   dns_domain=""
fi
echo 'dns_domain: ' $dns_domain

nis_domain=`domainname 2>/dev/null`
if [ "$nis_domain" = "" ]; then
 nis_domain=`hostname -y 2>/dev/null`
fi
echo 'domain: ' $nis_domain | sed -e 's/(none)//'

os=""
# VMware appliances
if [ "$os" = "" ]; then
   type=`cat /etc/vmware/deployment.node.type 2> /dev/null`
   # VMware vCenter Server Appliance
    version=`rpm -q --queryformat "%{VERSION} ${type} build %{RELEASE}" VMware-vpxd 2>/dev/null | grep build`

is replaced with:

if [ -z "$TW_CONTAINER_ID" ]; then
   echo 'hostname:' `hostname 2>/dev/null`
   echo 'fqdn:' `hostname --fqdn 2>/dev/null`
   dns_domain=`hostname -d 2>/dev/null | sed -e 's/(none)//'`
   if [ "$dns_domain" = "" -a -r /etc/resolv.conf ]; then
       dns_domain=`awk '/^(domain|search)/ {sub(/\\\\000$/, "", $2); print $2; exit }' /etc/resolv.conf 2>/dev/null`
   fi
   if [ "$dns_domain" = "." ]; then
       dns_domain=""
   fi
   echo 'dns_domain: ' $dns_domain

   nis_domain=`domainname 2>/dev/null`
   if [ "$nis_domain" = "" ]; then
   nis_domain=`hostname -y 2>/dev/null`
   fi
   echo 'domain: ' $nis_domain | sed -e 's/(none)//'
fi

os=""
# VMware appliances
if [ "$os" = "" -a -f /etc/vmware/deployment.node.type ]; then
   type=`cat /etc/vmware/deployment.node.type 2> /dev/null`
   # VMware vCenter Server Appliance
    version=`rpm -q --queryformat "%{VERSION} ${type} build %{RELEASE}" VMware-vpxd 2>/dev/null | grep build`

AIX

getDeviceInfo

The following code:

    fi
   os="`uname -s 2>/dev/null` $osver"
fi
echo 'os:' $os
maintlevel=`oslevel -s 2>/dev/null`
if [ $? -ne 0 ]; then
   maintlevel=""
fi
if [ "$maintlevel" != "" ]; then
   echo 'os_level:' $maintlevel
fi
echo 'os_arch:' `uname -p 2>/dev/null`

is replaced with:

    
os="`uname -s 2>/dev/null` $osver"
fi
maintlevel=`oslevel -s 2>/dev/null`
if [ $? -ne 0 ]; then
   maintlevel=""
fi
if [ "$maintlevel" != "" ]; then
   echo 'os_level:' $maintlevel
   tl_os=`echo "$os $maintlevel" | sed -ne 's/^\([[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:alpha:]]\{1,\} '\
'[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\.[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\)\.[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\.[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]] '\
'[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{4\}-0*\([[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{1,\}\)-[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{2\}-[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{4\}$/\1 TL\2/p'`

   if [ "$tl_os" != "" ]; then
       os=$tl_os
   fi
   echo $maintlevel | sed -ne 's/^[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{4\}-[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{2\}-[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{2\}-0*\([[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{1,\}\)$/os_build: \1/p'
   echo $maintlevel | sed -ne 's/^[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{4\}-[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{2\}-0*\([[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{1,\}\)-[[doc:xwiki:IT-Operations-Management.Discovery.BMC-Discovery.BMC-Helix-Discovery-25-2-On-Premises.PREM-BMC-Discovery.PREM-Changes-to-Discovery-commands.:digit:]]\{4\}$/service_pack: \1/p'
fi
echo 'os:' $os
echo 'os_arch:' `uname -p 2>/dev/null`

 

 

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BMC Helix Discovery 25.2 (On-Premises)