cluster: RHEL56 - fence_cisco_ucs: New fence agent for Cisco UCS
Marek Grác
marx at fedoraproject.org
Fri Sep 24 22:53:47 UTC 2010
Gitweb: http://git.fedorahosted.org/git/cluster.git?p=cluster.git;a=commitdiff;h=f2f0db60469f811f26123eec87cfc09d9002f35d
Commit: f2f0db60469f811f26123eec87cfc09d9002f35d
Parent: 20433b6cab6465b2cdaefb3d383d12da68cab309
Author: Marek 'marx' Grac <mgrac at redhat.com>
AuthorDate: Sat Sep 25 00:47:06 2010 +0200
Committer: Marek 'marx' Grac <mgrac at redhat.com>
CommitterDate: Sat Sep 25 00:47:06 2010 +0200
fence_cisco_ucs: New fence agent for Cisco UCS
Resolves: rhbz#579859
---
fence/agents/Makefile | 3 +
fence/agents/cisco_ucs/Makefile | 38 ++++++++
fence/agents/cisco_ucs/fence_cisco_ucs.py | 138 +++++++++++++++++++++++++++++
3 files changed, 179 insertions(+), 0 deletions(-)
diff --git a/fence/agents/Makefile b/fence/agents/Makefile
index 4a043ae..0055288 100644
--- a/fence/agents/Makefile
+++ b/fence/agents/Makefile
@@ -22,6 +22,7 @@ all:
${MAKE} -C brocade all
${MAKE} -C bullpap all
${MAKE} -C cisco_mds all
+ ${MAKE} -C cisco_ucs all
# ${MAKE} -C cpint all
${MAKE} -C drac all
${MAKE} -C egenera all
@@ -54,6 +55,7 @@ install: all
${MAKE} -C brocade install
${MAKE} -C bullpap install
${MAKE} -C cisco_mds install
+ ${MAKE} -C cisco_ucs install
# ${MAKE} -C cpint install
${MAKE} -C drac install
${MAKE} -C egenera install
@@ -86,6 +88,7 @@ clean:
${MAKE} -C brocade clean
${MAKE} -C bullpap clean
${MAKE} -C cisco_mds clean
+ ${MAKE} -C cisco_ucs clean
# ${MAKE} -C cpint clean
${MAKE} -C drac clean
${MAKE} -C egenera clean
diff --git a/fence/agents/cisco_ucs/Makefile b/fence/agents/cisco_ucs/Makefile
new file mode 100644
index 0000000..5875ba0
--- /dev/null
+++ b/fence/agents/cisco_ucs/Makefile
@@ -0,0 +1,38 @@
+###############################################################################
+###############################################################################
+##
+## Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
+## Copyright (C) 2004 Red Hat, Inc. All rights reserved.
+##
+## This copyrighted material is made available to anyone wishing to use,
+## modify, copy, or redistribute it subject to the terms and conditions
+## of the GNU General Public License v.2.
+##
+###############################################################################
+###############################################################################
+
+SOURCE= fence_cisco_ucs.py
+TARGET= fence_cisco_ucs
+
+top_srcdir=../..
+include ${top_srcdir}/make/defines.mk
+
+all: $(TARGET)
+
+fence_cisco_ucs: fence_cisco_ucs.py
+ : > $(TARGET)
+ awk "{print}(\$$1 ~ /#BEGIN_VERSION_GENERATION/){exit 0}" $(SOURCE) >> $(TARGET)
+ echo "FENCE_RELEASE_NAME=\"${RELEASE}\";" >> $(TARGET)
+ ${top_srcdir}/scripts/define2var ${top_srcdir}/config/copyright.cf sh REDHAT_COPYRIGHT >> $(TARGET)
+ echo "BUILD_DATE=\"(built `date`)\";" >> $(TARGET)
+ awk -v p=0 "(\$$1 ~ /#END_VERSION_GENERATION/){p = 1} {if(p==1)print}" $(SOURCE) >> $(TARGET)
+ chmod +x $(TARGET)
+
+install: all
+ if [ ! -d ${sbindir} ]; then \
+ install -d ${sbindir}; \
+ fi
+ install -m755 ${TARGET} ${sbindir}
+
+clean:
+ rm -f $(TARGET)
diff --git a/fence/agents/cisco_ucs/fence_cisco_ucs.py b/fence/agents/cisco_ucs/fence_cisco_ucs.py
new file mode 100755
index 0000000..07375b3
--- /dev/null
+++ b/fence/agents/cisco_ucs/fence_cisco_ucs.py
@@ -0,0 +1,138 @@
+#!/usr/bin/python
+
+import sys, re, pexpect, socket
+import pycurl, StringIO
+sys.path.append("@FENCEAGENTSLIBDIR@")
+from fencing import *
+
+#BEGIN_VERSION_GENERATION
+RELEASE_VERSION="New Cisco UCS Agent - test release on steroids"
+REDHAT_COPYRIGHT=""
+BUILD_DATE="March, 2008"
+#END_VERSION_GENERATION
+
+re_cookie = re.compile("<aaaLogin .* outCookie=\"(.*?)\"", re.IGNORECASE);
+re_status = re.compile("<lsPower .*? state=\"(.*?)\"", re.IGNORECASE);
+re_get_dn = re.compile(" dn=\"(.*?)\"", re.IGNORECASE)
+re_get_desc = re.compile(" descr=\"(.*?)\"", re.IGNORECASE)
+
+def get_power_status(conn, options):
+ try:
+ res = send_command(options, "<configResolveDn cookie=\"" + options["cookie"] + "\" inHierarchical=\"false\" dn=\"org-root/ls-" + options["-n"] + "/power\"/>")
+ except pycurl.error, e:
+ sys.stderr.write(e[1] + "\n")
+ fail(EC_TIMED_OUT)
+
+ result = re_status.search(res)
+ if (result == None):
+ fail(EC_STATUS)
+ else:
+ status = result.group(1)
+
+ if (status == "up"):
+ return "on"
+ else:
+ return "off"
+
+def set_power_status(conn, options):
+ action = {
+ 'on' : "up",
+ 'off' : "down"
+ }[options["-o"]]
+
+ try:
+ res = send_command(options, "<configConfMos cookie=\"" + options["cookie"] + "\" inHierarchical=\"no\"><inConfigs><pair key=\"org-root/ls-" + options["-n"] + "/power\"><lsPower dn=\"org-root/ls-" + options["-n"] + "/power\" state=\"" + action + "\" status=\"modified\" /></pair></inConfigs></configConfMos>")
+ except pycurl.error, e:
+ sys.stderr.write(e[1] + "\n")
+ fail(EC_TIMED_OUT)
+
+ return
+
+def get_list(conn, options):
+ outlets = { }
+
+ try:
+ try:
+ res = send_command(options, "<configResolveClass cookie=\"" + options["cookie"] + "\" inHierarchical=\"false\" classId=\"lsServer\"/>")
+ except pycurl.error, e:
+ sys.stderr.write(e[1] + "\n")
+ fail(EC_TIMED_OUT)
+
+ lines = res.split("<lsServer ")
+ for i in range(1, len(lines)):
+ dn = re_get_dn.search(lines[i]).group(1)
+ desc = re_get_desc.search(lines[i]).group(1)
+ outlets[dn] = (desc, None)
+ except AttributeError:
+ return { }
+ except IndexError:
+ return { }
+
+ return outlets
+
+def send_command(opt, command):
+ ## setup correct URL
+ if opt.has_key("-z"):
+ url = "https:"
+ else:
+ url = "http:"
+
+ url += "//" + opt["-a"] + ":" + str(opt["-u"]) + "/nuova"
+
+ ## send command through pycurl
+ c = pycurl.Curl()
+ b = StringIO.StringIO()
+ c.setopt(pycurl.URL, url)
+ c.setopt(pycurl.HTTPHEADER, [ "Content-type: text/xml" ])
+ c.setopt(pycurl.POSTFIELDS, command)
+ c.setopt(pycurl.WRITEFUNCTION, b.write)
+ c.setopt(pycurl.TIMEOUT, int(opt["-Y"]))
+ c.setopt(pycurl.SSL_VERIFYPEER, 0)
+ c.perform()
+ result = b.getvalue()
+
+ if opt["log"] >= LOG_MODE_VERBOSE:
+ opt["debug_fh"].write(command + "\n")
+ opt["debug_fh"].write(result + "\n")
+
+ return result
+
+def main():
+ device_opt = [ "help", "version", "agent", "quiet", "verbose", "debug",
+ "action", "ipaddr", "login", "passwd", "passwd_script",
+ "ssl", "inet4_only", "inet6_only", "ipport", "port",
+ "web", "separator", "power_wait", "power_timeout",
+ "shell_timeout" ]
+
+ atexit.register(atexit_handler)
+
+ options = check_input(device_opt, process_input(device_opt))
+
+ docs = { }
+ docs["shortdesc"] = "Fence agent for Cisco UCS"
+ docs["longdesc"] = "fence_cisco_ucs is an I/O Fencing agent which can be \
+used with Cisco UCS to fence machines."
+ docs["vendorurl"] = "http://www.cisco.com"
+ show_docs(options, docs)
+
+ ### Login
+ res = send_command(options, "<aaaLogin inName=\"" + options["-l"] + "\" inPassword=\"" + options["-p"] + "\" />")
+ result = re_cookie.search(res)
+ if (result == None):
+ ## Cookie is absenting in response
+ fail(EC_LOGIN_DENIED)
+
+ options["cookie"] = result.group(1);
+
+ ##
+ ## Fence operations
+ ####
+ result = fence_action(None, options, set_power_status, get_power_status, get_list)
+
+ ### Logout; we do not care about result as we will end in any case
+ send_command(options, "<aaaLogout inCookie=\"" + options["cookie"] + "\" />")
+
+ sys.exit(result)
+
+if __name__ == "__main__":
+ main()
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