Man pages sections > man8 > crm_diff

Pacemaker - Part of the Pacemaker cluster resource manager

PACEMAKER(8) System Administration Utilities PACEMAKER(8)

NAME

Pacemaker - Part of the Pacemaker cluster resource manager

SYNOPSIS

crm_diff original_xml operation [options]

DESCRIPTION

crm_diff - crm_diff can compare two Pacemaker configurations (in XML format) to produce a custom diff-like output, or apply such an output as a patch

OPTIONS

-?, --help
This text
-$, --version
Version information
-V, --verbose
Increase debug output

Original XML:

-o, --original=value
XML is contained in the named file
-O, --original-string=value
XML is contained in the supplied string

Operation:

-n, --new=value
Compare the original XML to the contents of the named file
-N, --new-string=value
Compare the original XML to the contents of the supplied string
-p, --patch=value
Patch the original XML with the contents of the named file

Additional Options:

-c, --cib
Compare/patch the inputs as a CIB (includes versions details)
-u, --no-version
Generate the difference without versions details

EXAMPLES

Obtain the two different configuration files by running cibadmin on the two cluster setups to compare:
# cibadmin --query > cib-old.xml
# cibadmin --query > cib-new.xml
Calculate and save the difference between the two files:
# crm_diff --original cib-old.xml --new cib-new.xml > patch.xml
Apply the patch to the original file:
# crm_diff --original cib-old.xml --patch patch.xml > updated.xml
Apply the patch to the running cluster:
# cibadmin --patch patch.xml

AUTHOR

Written by Andrew Beekhof

REPORTING BUGS

Report bugs to users@clusterlabs.org
October 2017 Pacemaker 1.1.18