=head1 B<NAME>

B<sinv> - Checks the software configuration of the nodes in the cluster. 

=head1 B<SYNOPSIS>

B<sinv> I<noderange> [B<-o> I<output>] [B<-p> <template path>] [B<-t> I<template count>] [B<-s> I<seed node>] [B<-i>] [B<-e>] [B<-r>] [B<-V>] [[B<-f> I<xdsh command file>] | [B<-c> I<xdsh command>]]

B<sinv> [B<-h> | B<-v>]


=head1 B<DESCRIPTION>

The B<sinv> command is designed to check the configuration of the nodes in a cluster.
The command takes as input command line flags, and one or more templates which will be compared against the output of the xdsh command, designated to be run by the -c or -f flag, on the nodes in the noderange. 

The nodes will then be grouped according to the template they match and a report returned to the administrator in the output file designated by the -o flag.  
 
The B<sinv> command is an xCAT Distributed Shell Utility.


B<TARGET> B<SPECIFICATION>:

The target are node(s) where xdsh will be executed.  Node
targets are specified by the I<noderange>.


B<COMMAND> B<SPECIFICATION>:

The xdsh command to execute on the remote targets is specified by the
 B<-c> flag, or by the B<-f> flag
which is followed by the fully qualified path to a file containing the command.

Note: do not add | xdshbak to the command on the command line or in the
command file, it is automatically added by sinv.

The syntax for the B<-c>  B<sinv> parameter is as follows:

"I<command>[; I<command>]..."

where I<command> is the command to run on the remote
target. Quotation marks are required to ensure that all commands in the
list are executed remotely, and that any special characters are interpreted
correctly on the remote target. 

The B<sinv> command does not work with any interactive commands, including
those that read from standard input.

B<REMOTE> B<SHELL> B<COMMAND>:

The  B<sinv>  command  uses B<xdsh> which uses a configurable remote shell command to execute
remote commands on the remote targets. Support is  explicitly  provided
for  AIX  Remote  Shell and OpenSSH, but any secure remote command that
conforms to the IETF (Internet Engineering Task  Force)  Secure  Remote
Command Protocol can be used. See man B<xdsh> for more details.

=head1 B<OPTIONS>

=over 5

=item B<-o>|B<--output> I<report output file>

This is the location of the file that will contain the report
of the nodes that match, and do not match, the input templates.

=item B<-p>|B<--tp> I<template path>

This is the path to the template file. The template contains the output
of xdsh command, that has been run against a "seed" node, a node 
that contains the configuration that you would like  
all nodes in your noderange to match. 

The admin can create the template by running the xdsh command on
the seed node, pipe to xdshbak ( required) and store the output
in the template path. See examples.

B<Note:> The admin can also edit the
template to remove any lines that they do not want checked.  

An alternative method is to use the [B<-s> I<seed node>] parameter, 
which will automatically build the template for you from the 
seed node named.

If a template path file does not exist, and a seed node is not input,
then sinv will automatically use the first node in the noderange as
the seed node and build the template.  


=item B<-t>|B<--tc> I<template count>

This count is the number of templates that the command will use
to check for nodes matches.  If the template in the template path does not
match a node, the B<sinv> will check additional templates  up 
to the template count.
  
For each node, it will compare the node against each template to see if 
there is a match.  
If there is no match, and we are not over the template count,
then a new template will be created from the node output. 
This will result in having all nodes that match a given template reported in
their group at the end of the run in the output file. 
If no template count is specified,  0 is the default, and all nodes will
be compared against the first template.

=item B<-s>|B<--seed> I<seed node>

This is the node that will be used to build the first template
that is stored in template path.  You can use this parameter instead of running
the xdsh command yourself to build the template.

B<Note:> If no template path file exists, and no seed node is supplied,
the seed node automatically is the first node from the
noderange.

=item B<-i>|B<--ignorefirst>

This flag suppresses the reporting of the nodes matching the first
template. In very large systems, you may not want to show the nodes that
have the correct configuration, since the list could contain thousands of nodes.
This allows you to only report the nodes that do not match the required 
configuration. 

=item B<-e>|B<--exactmatch>

This requires the check of node output against template to be an exact match.
If this flag is not set, B<sinv> checks to see if the return from the 
xdsh command to the nodes contain a match for each line in the input 
template (except for xdshbak header and comments). If not in exactmatch mode,
there can exist more lines in the xdsh return from the nodes.

For example, if running a "rpm -qa | grep xCAT" command, without exactmatch 
set, if the node containes more xCAT rpms that listed in the template,
it would be considered a match, as long as all rpms listed in the template
were on the node. With exactmatch set, the output must be identical 
to the template. 

=item B<-c>|B<--command>

The command that will be run by xdsh. The command should be enclosed in 
double quotes to insure correct shell interpretation.

B<Note:> do not add the | xdshbak to the command,
it is automatically added by sinv.

=item B<-f>|B<--file>

The file containing the command that will be run by xdsh  
This should be the fully qualified name of the file. 

B<Note:> do not add the | xdshbak to the command in the file,
it is automatically added by sinv.

=item B<-r>|B<--remove>

This flag indicates that generated templates should be removed at the
at the end of the B<sinv> command execution. 

If the flag is input, then all templates that are generated by the B<sinv>
command, will be removed. If the first template is created by the admin,
it will not be removed.

If the flag is not input, no
templates will be removed. It is up to the admin to cleanup templates.

=item B<-h>|B<--help>

Displays usage information.

=item B<-v>|B<--version>

Displays xCAT release version.

=item B<-V>|B<--Verbose>

Verbose mode.


=back


=head1 B<Examples>

=over 3

=item *

To setup sinv.template for input to the B<sinv> command , enter:

B<xdsh> I<node1,node2 "rpm -qa | grep xCAT | xdshbak "> /tmp/sinv.template>

Note: when setting up the template the output of xdsh must be piped
	  to xdshbak, sinv processing depends on it.

=item *

To execute B<sinv> using the sinv.template generated above
on the nodegroup, B<testnodes> ,possibly generating up to two
new templates, and removing all generated templates in the end, and writing
output report to /tmp/sinv.output, enter:

B<sinv> I<testnodes -c "rpm -qa | grep xCAT" -p /tmp/sinv.template -t 2 -r -o /tmp/sinv.output>

Note: do not add the pipe to xdshbak on the -c flag, it is automatically
added by the sinv routine.

=item *

To execute B<sinv> on noderange, node1-node4, using the seed node, node8,
to generate the first template, using the xdsh command (-c),
possibly generating up to two additional
templates and not removing any templates at the end, enter:

B<xsinv> I<node1-node4 -c "lslpp -l | grep bos.adt" -s node8 -p /tmp/sinv.template -t 2 -o /tmp/sinv.output> 

=item *

To execute B<sinv> on noderange, node1-node4, automatically using node1 as
the seed node, to generate the sinv.template from the xdsh command (-c),
using the exact match option, generating no additional templates, enter:


B<xsinv> I<node1-node4 -c "lslpp -l | grep bos.adt"  -e -p /tmp/sinv.template  -o /tmp/sinv.output> 

Note: the /tmp/sinv.template file must be empty, otherwise it will be used
as an admin generated template.

=item *

To execute B<sinv> on noderange, node1-node4, automatically using node1 as
the seed node, to generate the sinv.template from the command input (-c),
using the exact match option, generating no additional templates, and 
reporting only nodes that do not match enter:


B<xsinv> I<node1-node4 -c "lslpp -l | grep bos.adt"  -e -i -p /tmp/sinv.template  -o /tmp/sinv.output> 

Note: the /tmp/sinv.template file must be empty, otherwise it will be used
as an admin generated template.

=back

=head1 B<Files>

B</opt/xcat/bin/sinv/>

Location of the sinv command.

=head1 B<SEE ALSO>

L <xdsh(1)|xdsh.1>, L<xdshbak(1)|xdshbak.1>, L<noderange(3)|noderange.3>