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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/lpar/fence_lpar.py
parentInitial commit. (diff)
downloadfence-agents-upstream.tar.xz
fence-agents-upstream.zip
Adding upstream version 4.12.1.upstream/4.12.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'agents/lpar/fence_lpar.py')
-rw-r--r--agents/lpar/fence_lpar.py197
1 files changed, 197 insertions, 0 deletions
diff --git a/agents/lpar/fence_lpar.py b/agents/lpar/fence_lpar.py
new file mode 100644
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+++ b/agents/lpar/fence_lpar.py
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+#!@PYTHON@ -tt
+
+#####
+##
+## The Following Agent Has Been Tested On:
+##
+## Version
+## +---------------------------------------------+
+## Tested on HMC
+##
+#####
+
+import sys, re
+import atexit
+import logging
+sys.path.append("@FENCEAGENTSLIBDIR@")
+from fencing import *
+from fencing import fail, fail_usage, EC_STATUS_HMC
+
+##
+## Transformation to standard ON/OFF status if possible
+def _normalize_status(status):
+ if status in ["Running", "Open Firmware", "Shutting Down", "Starting"]:
+ status = "on"
+ else:
+ status = "off"
+
+ return status
+
+def get_power_status(conn, options):
+ if options["--hmc-version"] == "3":
+ command = "lssyscfg -r lpar -m " + options["--managed"] + " -n " + options["--plug"] + " -F name,state\n"
+ elif options["--hmc-version"] in ["4", "IVM"]:
+ command = "lssyscfg -r lpar -m "+ options["--managed"] + \
+ " --filter 'lpar_names=" + options["--plug"] + "'\n"
+ else:
+ # Bad HMC Version cannot be reached
+ fail(EC_STATUS_HMC)
+
+ conn.send(command)
+ # First line (command) may cause parsing issues if long
+ conn.readline()
+ conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))
+
+ try:
+ if options["--hmc-version"] == "3":
+ status = re.compile("^" + options["--plug"] + ",(.*?),.*$",
+ re.IGNORECASE | re.MULTILINE).search(conn.before).group(1)
+ elif options["--hmc-version"] in ["4", "IVM"]:
+ status = re.compile(",state=(.*?),", re.IGNORECASE).search(conn.before).group(1)
+ except AttributeError as e:
+ logging.debug("Command on HMC failed: {}\n{}".format(command, str(e)))
+ fail(EC_STATUS_HMC)
+
+ return _normalize_status(status)
+
+def is_comanaged(conn, options):
+ conn.send("lscomgmt -m " + options["--managed"] + "\n" )
+ conn.readline()
+ conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))
+
+ try:
+ cm = re.compile(",curr_master_mtms=(.*?),", re.IGNORECASE).search(conn.before).group(1)
+ except AttributeError as e:
+ cm = False
+
+ return cm
+
+def set_power_status(conn, options):
+ if options["--hmc-version"] == "3":
+ conn.send("chsysstate -o " + options["--action"] + " -r lpar -m " + options["--managed"]
+ + " -n " + options["--plug"] + "\n")
+
+ # First line (command) may cause parsing issues if long
+ conn.readline()
+ conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))
+ elif options["--hmc-version"] in ["4", "IVM"]:
+ if options["--action"] == "on":
+ if is_comanaged(conn, options):
+ profile = ""
+ else:
+ profile = " -f `lssyscfg -r lpar -F curr_profile " + \
+ " -m " + options["--managed"] + \
+ " --filter \"lpar_names=" + options["--plug"] + "\"`"
+ conn.send("chsysstate -o on -r lpar" +
+ " -m " + options["--managed"] +
+ " -n " + options["--plug"] +
+ profile +
+ "\n")
+ else:
+ conn.send("chsysstate -o shutdown -r lpar --immed" +
+ " -m " + options["--managed"] + " -n " + options["--plug"] + "\n")
+
+ # First line (command) may cause parsing issues if long
+ conn.readline()
+ conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))
+
+def get_lpar_list(conn, options):
+ outlets = {}
+ if options["--hmc-version"] == "3":
+ conn.send("query_partition_names -m " + options["--managed"] + "\n")
+
+ ## We have to remove first line (command)
+ conn.readline()
+ conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))
+
+ ## We have to remove next 2 lines (header) and last line (part of new prompt)
+ ####
+ res = re.search("^(.+?\n){2}(.*)\n.*$", conn.before, re.S)
+
+ if res == None:
+ fail_usage("Unable to parse output of list command")
+
+ lines = res.group(2).split("\n")
+ for outlet_line in lines:
+ outlets[outlet_line.rstrip()] = ("", "")
+ elif options["--hmc-version"] in ["4", "IVM"]:
+ sep = ":" if options["--hmc-version"] == "4" else ","
+
+ conn.send("lssyscfg -r lpar -m " + options["--managed"] +
+ " -F name" + sep + "state\n")
+
+ ## We have to remove first line (command)
+ conn.readline()
+ conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))
+
+ ## We have to remove last line (part of new prompt)
+ ####
+ res = re.search("^(.*)\n.*$", conn.before, re.S)
+
+ if res == None:
+ fail_usage("Unable to parse output of list command")
+
+ lines = res.group(1).split("\n")
+ for outlet_line in lines:
+ try:
+ (port, status) = outlet_line.rstrip().split(sep)
+ except ValueError:
+ fail_usage('Output does not match expected HMC version, try different one');
+ outlets[port] = ("", _normalize_status(status))
+
+ return outlets
+
+def define_new_opts():
+ all_opt["managed"] = {
+ "getopt" : "s:",
+ "longopt" : "managed",
+ "help" : "-s, --managed=[id] Name of the managed system",
+ "required" : "1",
+ "shortdesc" : "Managed system name",
+ "order" : 1}
+ all_opt["hmc_version"] = {
+ "getopt" : "H:",
+ "longopt" : "hmc-version",
+ "help" : "-H, --hmc-version=[version] Force HMC version to use: (3|4|ivm) (default: 4)",
+ "required" : "0",
+ "shortdesc" : "Force HMC version to use",
+ "default" : "4",
+ "choices" : ["3", "4", "ivm"],
+ "order" : 1}
+
+def main():
+ device_opt = ["ipaddr", "login", "passwd", "secure", "cmd_prompt", \
+ "port", "managed", "hmc_version"]
+
+ atexit.register(atexit_handler)
+
+ define_new_opts()
+
+ all_opt["login_timeout"]["default"] = "15"
+ all_opt["secure"]["default"] = "1"
+ all_opt["cmd_prompt"]["default"] = [r":~>", r"]\$", r"\$ "]
+
+ options = check_input(device_opt, process_input(device_opt), other_conditions = True)
+
+ docs = {}
+ docs["shortdesc"] = "Fence agent for IBM LPAR"
+ docs["longdesc"] = ""
+ docs["vendorurl"] = "http://www.ibm.com"
+ show_docs(options, docs)
+
+ if "--managed" not in options:
+ fail_usage("Failed: You have to enter name of managed system")
+
+ if options["--action"] == "validate-all":
+ sys.exit(0)
+
+ ##
+ ## Operate the fencing device
+ ####
+ conn = fence_login(options)
+ result = fence_action(conn, options, set_power_status, get_power_status, get_lpar_list)
+ fence_logout(conn, "quit\r\n")
+ sys.exit(result)
+
+if __name__ == "__main__":
+ main()