diff --git a/cts/support/fence_dummy.in b/cts/support/fence_dummy.in
index 18d7699e74..f40b1d9426 100644
--- a/cts/support/fence_dummy.in
+++ b/cts/support/fence_dummy.in
@@ -1,499 +1,509 @@
 #!@PYTHON@
 """Dummy fence agent for testing
 """
 
-__copyright__ = "Copyright 2012-2020 the Pacemaker project contributors"
+__copyright__ = "Copyright 2012-2022 the Pacemaker project contributors"
 __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY"
 
 import io
 import os
 import re
 import sys
 import time
 import random
 import atexit
 import getopt
 
-AGENT_VERSION = "4.0.1"
+AGENT_VERSION = "4.1.0"
 OCF_VERSION = "1.0"
 SHORT_DESC = "Dummy fence agent"
 LONG_DESC = """fence_dummy is a fake fencing agent which reports success
 based on its mode (pass|fail|random) without doing anything."""
 
 # Short options used: difhmnoqsvBDHMRUV
 ALL_OPT = {
     "quiet"   : {
         "getopt" : "q",
         "help" : "",
         "order" : 50
         },
     "verbose" : {
         "getopt" : "v",
         "longopt" : "verbose",
         "help" : "-v, --verbose                  Verbose mode",
         "required" : "0",
         "shortdesc" : "Verbose mode",
         "order" : 51
         },
     "debug" : {
         "getopt" : "D:",
         "longopt" : "debug-file",
         "help" : "-D, --debug-file=[debugfile]   Debugging to output file",
         "required" : "0",
         "shortdesc" : "Write debug information to given file",
         "order" : 52
         },
     "version" : {
         "getopt" : "V",
         "longopt" : "version",
         "help" : "-V, --version                  Display version information and exit",
         "required" : "0",
         "shortdesc" : "Display version information and exit",
         "order" : 53
         },
     "help"    : {
         "getopt" : "h",
         "longopt" : "help",
         "help" : "-h, --help                     Display this help and exit",
         "required" : "0",
         "shortdesc" : "Display help and exit",
         "order" : 54
         },
     "action" : {
         "getopt" : "o:",
         "longopt" : "action",
-        "help" : "-o, --action=[action]          Action: status, list, reboot (default), off or on",
+        "help" : "-o, --action=[action]          Action: validate-all, status, list, reboot (default), off or on",
         "required" : "1",
         "shortdesc" : "Fencing Action",
         "default" : "reboot",
         "order" : 1
         },
     "nodename" : {
         "getopt" : "N:",
         "longopt" : "nodename",
         "help" : "-N, --nodename                 Node name of fence victim (ignored)",
         "required" : "0",
         "shortdesc" : "The node name of fence victim (ignored)",
         "order" : 2
         },
     "mode": {
         "getopt" : "M:",
         "longopt" : "mode",
         "required" : "0",
         "help" : "-M, --mode=(pass|fail|random)  Exit status to return for non-monitor operations",
         "shortdesc" : "Whether fence operations should always pass, always fail, or fail at random",
         "order" : 3
         },
     "monitor_mode" : {
         "getopt" : "m:",
         "longopt" : "monitor_mode",
         "help" : "-m, --monitor_mode=(pass|fail|random) Exit status to return for monitor operations",
         "required" : "0",
         "shortdesc" : "Whether monitor operations should always pass, always fail, or fail at random",
         "order" : 3
         },
     "random_sleep_range": {
         "getopt" : "R:",
         "required" : "0",
         "longopt" : "random_sleep_range",
         "help" : "-R, --random_sleep_range=[seconds] Sleep between 1 and [seconds] before returning",
         "shortdesc" : "Wait randomly between 1 and [seconds]",
         "order" : 3
         },
     "mock_dynamic_hosts" : {
         "getopt" : "H:",
         "longopt" : "mock_dynamic_hosts",
         "help" : "-H, --mock_dynamic_hosts=[list] What to return when dynamically queried for possible targets",
         "required" : "0",
         "shortdesc" : "A list of hosts we can fence",
         "order" : 3
         },
     "delay" : {
         "getopt" : "f:",
         "longopt" : "delay",
         "help" : "-f, --delay [seconds]          Wait X seconds before fencing is started",
         "required" : "0",
         "shortdesc" : "Wait X seconds before fencing is started",
         "default" : "0",
         "order" : 3
         },
     "monitor_delay" : {
         "getopt" : "d:",
         "longopt" : "monitor_delay",
         "help" : "-d, --monitor_delay [seconds]  Wait X seconds before monitor completes",
         "required" : "0",
         "shortdesc" : "Wait X seconds before monitor completes",
         "default" : "0",
         "order" : 3
         },
     "plug" : {
         "getopt" : "n:",
         "longopt" : "plug",
         "help" : "-n, --plug=[id]                Physical plug number on device (ignored)",
         "required" : "1",
         "shortdesc" : "Ignored",
         "order" : 4
         },
     "port" : {
         "getopt" : "n:",
         "longopt" : "plug",
         "help" : "-n, --plug=[id]                Physical plug number on device (ignored)",
         "required" : "1",
         "shortdesc" : "Ignored",
         "order" : 4
         },
     "switch" : {
         "getopt" : "s:",
         "longopt" : "switch",
         "help" : "-s, --switch=[id]              Physical switch number on device (ignored)",
         "required" : "0",
         "shortdesc" : "Ignored",
         "order" : 4
         },
     "nodeid" : {
         "getopt" : "i:",
         "longopt" : "nodeid",
         "help" : "-i, --nodeid                   Corosync id of fence victim (ignored)",
         "required" : "0",
         "shortdesc" : "Ignored",
         "order" : 4
         },
     "uuid" : {
         "getopt" : "U:",
         "longopt" : "uuid",
         "help" : "-U, --uuid                     UUID of the VM to fence (ignored)",
         "required" : "0",
         "shortdesc" : "Ignored",
         "order" : 4
         }
 }
 
 auto_unfence = False
 no_reboot = False
 
 def agent():
     """ Return name this file was run as. """
 
     return os.path.basename(sys.argv[0])
 
 
 def fail_usage(message):
     """ Print a usage message and exit. """
 
     sys.exit("%s\nPlease use '-h' for usage" % message)
 
 
 def show_docs(options):
     """ Handle informational options (display info and exit). """
 
     device_opt = options["device_opt"]
 
     if "-h" in options:
         usage(device_opt)
         sys.exit(0)
 
     if "-o" in options and options["-o"].lower() == "metadata":
         if not os.path.exists(__file__ + ".fail"):
             metadata(device_opt, options)
         else:
             os.remove(__file__ + ".fail")
         sys.exit(0)
 
     if "-V" in options:
         print(AGENT_VERSION)
         sys.exit(0)
 
 
 def sorted_options(avail_opt):
     """ Return a list of all options, in their internally specified order. """
 
     sorted_list = [(key, ALL_OPT[key]) for key in avail_opt]
     sorted_list.sort(key=lambda x: x[1]["order"])
     return sorted_list
 
 
 def usage(avail_opt):
     """ Print a usage message. """
 
     print("Usage:")
     print("\t" + agent() + " [options]")
     print("Options:")
 
     for dummy, value in sorted_options(avail_opt):
         if len(value["help"]) != 0:
             print("   " + value["help"])
 
 
 def metadata(avail_opt, options):
     """ Print agent metadata. """
 
     # This log is just for testing handling of stderr output
     print("asked for fence_dummy metadata", file=sys.stderr)
 
     print("""<?xml version="1.0" ?>
 <resource-agent name="%s" shortdesc="%s" version="%s">
   <version>%s</version>
   <longdesc>%s</longdesc>
   <parameters>""" % (agent(), SHORT_DESC, AGENT_VERSION, OCF_VERSION, LONG_DESC))
 
     for option, dummy in sorted_options(avail_opt):
         if "shortdesc" in ALL_OPT[option]:
             print('    <parameter name="' + option + '" unique="0" ' +
                   'required="' + ALL_OPT[option]["required"] + '">')
 
             default = ""
             default_name_arg = "-" + ALL_OPT[option]["getopt"][:-1]
             default_name_no_arg = "-" + ALL_OPT[option]["getopt"]
 
             if "default" in ALL_OPT[option]:
                 default = 'default="%s"' % str(ALL_OPT[option]["default"])
             elif default_name_arg in options:
                 if options[default_name_arg]:
                     try:
                         default = 'default="%s"' % options[default_name_arg]
                     except TypeError:
                         ## @todo/@note: Currently there is no clean way how to handle lists
                         ## we can create a string from it but we can't set it on command line
                         default = 'default="%s"' % str(options[default_name_arg])
             elif default_name_no_arg in options:
                 default = 'default="true"'
 
             mixed = ALL_OPT[option]["help"]
             ## split it between option and help text
             res = re.compile(r"^(.*--\S+)\s+", re.IGNORECASE | re.S).search(mixed)
             if None != res:
                 mixed = res.group(1)
             mixed = mixed.replace("<", "&lt;").replace(">", "&gt;")
             print('      <getopt mixed="' + mixed + '" />')
 
             if ALL_OPT[option]["getopt"].count(":") > 0:
                 print('      <content type="string" ' + default + ' />')
             else:
                 print('      <content type="boolean" ' + default + ' />')
 
             print('      <shortdesc lang="en">' + ALL_OPT[option]["shortdesc"] + '</shortdesc>')
             print('    </parameter>')
 
     print('  </parameters>\n  <actions>')
     if auto_unfence:
         attr_name = 'automatic'
     else:
         attr_name = 'on_target'
     print('    <action name="on" ' + attr_name + '="1" />')
     print('    <action name="off" />')
     if not no_reboot:
         print('    <action name="reboot" />')
     print('    <action name="status" />')
     print('    <action name="monitor" />')
     print('    <action name="metadata" />')
     print('    <action name="list" />')
     print('  </actions>')
     print('</resource-agent>')
 
 
 def option_longopt(option):
     """ Return the getopt-compatible long-option name of the given option. """
 
     if ALL_OPT[option]["getopt"].endswith(":"):
         return ALL_OPT[option]["longopt"] + "="
     else:
         return ALL_OPT[option]["longopt"]
 
 
 def opts_from_command_line(argv, avail_opt):
     """ Read options from command-line arguments. """
 
     # Prepare list of options for getopt
     getopt_string = ""
     longopt_list = []
     for k in avail_opt:
         if k in ALL_OPT:
             getopt_string += ALL_OPT[k]["getopt"]
         else:
             fail_usage("Parse error: unknown option '"+k+"'")
 
         if k in ALL_OPT and "longopt" in ALL_OPT[k]:
             longopt_list.append(option_longopt(k))
 
     try:
         opt, dummy = getopt.gnu_getopt(argv, getopt_string, longopt_list)
     except getopt.GetoptError as error:
         fail_usage("Parse error: " + error.msg)
 
     # Transform longopt to short one which are used in fencing agents
     old_opt = opt
     opt = {}
     for old_option in dict(old_opt).keys():
         if old_option.startswith("--"):
             for option in ALL_OPT.keys():
                 if "longopt" in ALL_OPT[option] and "--" + ALL_OPT[option]["longopt"] == old_option:
                     opt["-" + ALL_OPT[option]["getopt"].rstrip(":")] = dict(old_opt)[old_option]
         else:
             opt[old_option] = dict(old_opt)[old_option]
 
     # Compatibility Layer (with what? probably not needed for fence_dummy)
     new_opt = dict(opt)
     if "-T" in new_opt:
         new_opt["-o"] = "status"
     if "-n" in new_opt:
         new_opt["-m"] = new_opt["-n"]
     opt = new_opt
 
     return opt
 
 
 def opts_from_stdin(avail_opt):
     """ Read options from standard input. """
 
     opt = {}
     name = ""
     for line in sys.stdin.readlines():
         line = line.strip()
         if line.startswith("#") or (len(line) == 0):
             continue
 
         (name, value) = (line + "=").split("=", 1)
         value = value[:-1]
 
         # Compatibility Layer (with what? probably not needed for fence_dummy)
         if name == "option":
             name = "action"
 
         if name not in avail_opt:
             print("Parse error: Ignoring unknown option '%s'" % line,
                   file=sys.stderr)
             continue
 
         if ALL_OPT[name]["getopt"].endswith(":"):
             opt["-"+ALL_OPT[name]["getopt"].rstrip(":")] = value
         elif value.lower() in ["1", "yes", "on", "true"]:
             opt["-"+ALL_OPT[name]["getopt"]] = "1"
 
     return opt
 
 
 def process_input(avail_opt):
     """ Set standard environment variables, and parse all options. """
 
     # Set standard environment
     os.putenv("LANG", "C")
     os.putenv("LC_ALL", "C")
 
     # Read options from command line or standard input
     if len(sys.argv) > 1:
         return opts_from_command_line(sys.argv[1:], avail_opt)
     else:
         return opts_from_stdin(avail_opt)
 
 
 def atexit_handler():
     """ Close stdout on exit. """
 
     try:
         sys.stdout.close()
         os.close(1)
     except IOError:
         sys.exit("%s failed to close standard output" % agent())
 
 
 def success_mode(options, option, default_value):
     """ Return exit code specified by option. """
 
     if option in options:
         test_value = options[option]
     else:
         test_value = default_value
 
     if test_value == "pass":
         exitcode = 0
     elif test_value == "fail":
         exitcode = 1
     else:
         exitcode = random.randint(0, 1)
 
     return exitcode
 
 
 def write_options(options):
     """ Write out all options to debug file. """
 
     try:
         debugfile = io.open(options["-D"], 'at')
         debugfile.write("### %s ###\n" % (time.strftime("%Y-%m-%d %H:%M:%S")))
         for option in sorted(options):
             debugfile.write("%s=%s\n" % (option, options[option]))
         debugfile.write("###\n")
         debugfile.close()
     except IOError:
         pass
 
 
 def main():
     """ Make it so! """
 
     global auto_unfence
     global no_reboot
 
     # Meta-data can't take parameters, so we simulate different meta-data
     # behavior based on the executable name (which can be a symbolic link).
     if (sys.argv[0].endswith("_auto_unfence")):
         auto_unfence = True
     elif (sys.argv[0].endswith("_no_reboot")):
         no_reboot = True
 
     device_opt = ALL_OPT.keys()
 
     ## Defaults for fence agent
     atexit.register(atexit_handler)
     options = process_input(device_opt)
     options["device_opt"] = device_opt
     show_docs(options)
 
+    if "-o" in options:
+        action = options["-o"]
+    else:
+        action = "action"
+
     # dump input to file
-    if "-D" in options:
+    if "-D" in options and action != "validate-all":
         write_options(options)
 
-    if "-f" in options:
+    if "-f" in options and action != "validate-all":
         val = int(options["-f"])
         print("delay sleep for %d seconds" % val, file=sys.stderr)
         time.sleep(val)
 
     # random sleep for testing
-    if "-R" in options:
+    if "-R" in options and action != "validate-all":
         val = int(options["-R"])
         ran = random.randint(1, val)
         print("random sleep for %d seconds" % ran, file=sys.stderr)
         time.sleep(ran)
 
-    if "-o" in options:
-        action = options["-o"]
-    else:
-        action = "action"
-
     if action == "monitor":
         if "-d" in options:
             time.sleep(int(options["-d"]))
         exitcode = success_mode(options, "-m", "pass")
 
     elif action == "list":
         print("fence_dummy action (list) called", file=sys.stderr)
         if "-H" in options:
             print(options["-H"])
             exitcode = 0
         else:
             print("dynamic hostlist requires mock_dynamic_hosts to be set",
                   file=sys.stderr)
             exitcode = 1
 
+    elif action == "validate-all":
+        if "-f" in options:
+            val = int(options["-f"])
+            if val > 10:
+                exitcode = 1
+            else:
+                exitcode = 0
+        else:
+            exitcode = 1
+
     else:
         exitcode = success_mode(options, "-M", "random")
 
     # Ensure we generate some error output on failure exit.
     if exitcode == 1:
         print("simulated %s failure" % action, file=sys.stderr)
 
     sys.exit(exitcode)
 
 
 if __name__ == "__main__":
     main()