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--- linux:netio-fencing [2015/11/26 11:19]
vondra created
+++ linux:netio-fencing [2015/12/11 12:26] (current)
vondra [Install]
@@ Line 1: / Line 1: @@
 ====== Install ======
 <code bash>
-apt-get install make dh-autoreconf python-suds python-requests
+apt-get install make dh-autoreconf python-suds python-requests python-pycurl git
+cd /usr/src
 git clone https://github.com/ClusterLabs/fence-agents.git
 cd fence-agents/
@@ Line 8: / Line 9: @@
 make
 make install
+</code>
+  * note: in case you are getting this error:<code bash>fatal: unable to access 'https://github.com/ClusterLabs/fence-agents.git/': server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none</code> use following command before issuing the git clone:<code>export GIT_SSL_NO_VERIFY=1</code>
+====== NETIO 230A agent ======
+<code python>
+#!/usr/bin/python -tt
+import sys, re, pexpect
+import atexit
+sys.path.append("/usr/share/fence")
+from fencing import *
+import telnetlib
+from fencing import fspawn, fail, EC_LOGIN_DENIED, run_delay, logging, atexit_handler
+from time import sleep
+#BEGIN_VERSION_GENERATION
+RELEASE_VERSION="4.0.21.26-f32ef"
+BUILD_DATE="(built Thu Nov 26 11:16:18 CET 2015)"
+REDHAT_COPYRIGHT="Copyright (C) Red Hat, Inc. 2004-2010 All rights reserved."
+#END_VERSION_GENERATION
+def get_power_status(conn, options):
+        conn.read_very_eager()
+        logging.debug("port %s" % options["--plug"])
+        conn.write("port %s\r\n" % options["--plug"])
+        re_status = re.compile("250 [01imt]")
+        ret = conn.expect([re_status,], int(options["--shell-timeout"]))
+        logging.debug(ret[2])
+        status = {
+                "0" : "off",
+                "1" : "on",
+                "i" : "reboot",
+                "m" : "manual",
+                "t" : "timer",
+        }[ret[2].split()[1]]
+        logging.info("Power status: %s" % status)
+        return status
+def set_power_status(conn, options):
+        action = {
+                "on" : "1",
+                "off" : "0",
+                "reboot" : "i"
+        }[options["--action"]]
+        logging.debug("port %s %s" % (options["--plug"], action))
+        conn.write("port %s %s\r\n" % (options["--plug"], action))
+        sleep(0.500)
+        ret = conn.read_until("250 OK", int(options["--shell-timeout"]))
+        logging.debug(ret)
+def get_outlet_list(conn, options):
+        result = {}
+        try:
+                # the NETIO-230B has 4 ports, counting start at 1
+                for plug in ["1", "2", "3", "4"]:
+                        conn.write("port setup %s\r\n" % plug)
+                        ret = conn.read_until("250 .+", int(options["--shell-timeout"]))
+                        # the name is enclosed in "", drop those with [1:-1]
+                        name = ret.split()[1][1:-1]
+                        result[plug] = (name, "unknown")
+        except Exception, exn:
+                print str(exn)
+        return result
+def main():
+        device_opt = ["ipaddr", "login", "passwd", "port", "telnet"]
+        atexit.register(atexit_handler)
+        all_opt["ipport"]["default"] = "1234"
+        opt = process_input(device_opt)
+        opt["eol"] = "\n\r"
+        options = check_input(device_opt, opt)
+        docs = {}
+        docs["shortdesc"] = "I/O Fencing agent for Koukaam NETIO-230B"
+        docs["longdesc"] = "fence_netio is an I/O Fencing agent which can be \
+used with the Koukaam NETIO-230B Power Distribution Unit. It logs into \
+device via telnet and reboots a specified outlet. Lengthy telnet connections \
+should be avoided while a GFS cluster is running because the connection will \
+block any necessary fencing actions."
+        docs["vendorurl"] = "http://www.koukaam.se/"
+        show_docs(options, docs)
+        ##
+        ## Operate the fencing device
+        ## We can not use fence_login(), username and passwd are sent on one line
+        ####
+        run_delay(options)
+        try:
+                conn = telnetlib.Telnet(options["--ip"], options["--ipport"])
+                conn.read_until("100 HELLO", int(options["--shell-timeout"]))
+                conn.write("login %s %s\r\n" % (options["--username"], options["--password"]))
+                conn.read_until("250 OK", int(options["--shell-timeout"]))
+        except pexpect.EOF:
+                fail(EC_LOGIN_DENIED)
+        except pexpect.TIMEOUT:
+                fail(EC_LOGIN_DENIED)
+        result = fence_action(conn, options, set_power_status, get_power_status, get_outlet_list)
+#       fence_logout(conn, "quit\n")
+        conn.write("quit\r\n")
+        sys.exit(result)
+if __name__ == "__main__":
+        main()
 </code>

linux/netio-fencing.1448533165.txt.gz · Last modified: 2015/11/26 11:19 by vondra