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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 06:50:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 06:50:17 +0000
commit86ed03f8adee56c050c73018537371c230a664a6 (patch)
treeeae3d04cdf1c49848e5a671327ab38297f4acb0d /agents/ldom/fence_ldom.py
parentInitial commit. (diff)
downloadfence-agents-86ed03f8adee56c050c73018537371c230a664a6.tar.xz
fence-agents-86ed03f8adee56c050c73018537371c230a664a6.zip
Adding upstream version 4.12.1.upstream/4.12.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--agents/ldom/fence_ldom.py102
1 files changed, 102 insertions, 0 deletions
diff --git a/agents/ldom/fence_ldom.py b/agents/ldom/fence_ldom.py
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+#!@PYTHON@ -tt
+
+##
+## The Following Agent Has Been Tested On - LDOM 1.0.3
+## The interface is backward compatible so it will work
+## with 1.0, 1.0.1 and .2 too.
+##
+#####
+
+import sys, re, pexpect
+import atexit
+sys.path.append("@FENCEAGENTSLIBDIR@")
+from fencing import *
+from fencing import fail_usage
+
+COMMAND_PROMPT_REG = r"\[PEXPECT\]$"
+COMMAND_PROMPT_NEW = "[PEXPECT]"
+
+# Start comunicating after login. Prepare good environment.
+def start_communication(conn, options):
+ conn.send_eol("PS1='" + COMMAND_PROMPT_NEW + "'")
+ res = conn.expect([pexpect.TIMEOUT, COMMAND_PROMPT_REG], int(options["--shell-timeout"]))
+ if res == 0:
+ #CSH stuff
+ conn.send_eol("set prompt='" + COMMAND_PROMPT_NEW + "'")
+ conn.log_expect(COMMAND_PROMPT_REG, int(options["--shell-timeout"]))
+
+def get_power_status(conn, options):
+ start_communication(conn, options)
+
+ conn.send_eol("ldm ls")
+
+ conn.log_expect(COMMAND_PROMPT_REG, int(options["--shell-timeout"]))
+
+ result = {}
+
+ #This is status of mini finite automata. 0 = we didn't found NAME and STATE, 1 = we did
+ fa_status = 0
+
+ for line in conn.before.splitlines():
+ domain = re.search(r"^(\S+)\s+(\S+)\s+.*$", line)
+
+ if domain != None:
+ if fa_status == 0 and domain.group(1) == "NAME" and domain.group(2) == "STATE":
+ fa_status = 1
+ elif fa_status == 1:
+ result[domain.group(1)] = ("", (domain.group(2).lower() == "bound" and "off" or "on"))
+
+ if not options["--action"] in ['monitor', 'list']:
+ if not options["--plug"] in result:
+ fail_usage("Failed: You have to enter existing logical domain!")
+ else:
+ return result[options["--plug"]][1]
+ else:
+ return result
+
+def set_power_status(conn, options):
+ start_communication(conn, options)
+
+ cmd_line = "ldm "+ (options["--action"] == "on" and "start" or "stop -f") + " \"" + options["--plug"] + "\""
+
+ conn.send_eol(cmd_line)
+
+ conn.log_expect(COMMAND_PROMPT_REG, int(options["--power-timeout"]))
+
+def main():
+ device_opt = ["ipaddr", "login", "passwd", "cmd_prompt", "secure", "port"]
+
+ atexit.register(atexit_handler)
+
+ all_opt["secure"]["default"] = "1"
+ all_opt["cmd_prompt"]["default"] = [r"\ $"]
+
+ options = check_input(device_opt, process_input(device_opt))
+
+ docs = {}
+ docs["shortdesc"] = "Fence agent for Sun LDOM"
+ docs["longdesc"] = "fence_ldom is an I/O Fencing agent \
+which can be used with LDoms virtual machines. This agent works \
+so, that run ldm command on host machine. So ldm must be directly \
+runnable.\
+\n.P\n\
+Very useful parameter is -c (or cmd_prompt in stdin mode). This \
+must be set to something, what is displayed after successful login \
+to host machine. Default string is space on end of string (default \
+for root in bash). But (for example) csh use ], so in that case you \
+must use parameter -c with argument ]. Very similar situation is, \
+if you use bash and login to host machine with other user than \
+root. Than prompt is $, so again, you must use parameter -c."
+ docs["vendorurl"] = "http://www.sun.com"
+ show_docs(options, docs)
+
+ ##
+ ## Operate the fencing device
+ ####
+ conn = fence_login(options)
+ result = fence_action(conn, options, set_power_status, get_power_status, get_power_status)
+ fence_logout(conn, "logout")
+ sys.exit(result)
+
+if __name__ == "__main__":
+ main()