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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 06:50:17 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 06:50:17 +0000 |
commit | 86ed03f8adee56c050c73018537371c230a664a6 (patch) | |
tree | eae3d04cdf1c49848e5a671327ab38297f4acb0d /agents/ldom/fence_ldom.py | |
parent | Initial commit. (diff) | |
download | fence-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.py | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/agents/ldom/fence_ldom.py b/agents/ldom/fence_ldom.py new file mode 100644 index 0000000..0cb3320 --- /dev/null +++ b/agents/ldom/fence_ldom.py @@ -0,0 +1,102 @@ +#!@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() |