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Check_MK Git: check_mk: new config variable agent_ports

by git＠mathias-kettner.de

Module: check_mk Branch: master Commit: 0d5c87ce384576af8569f2ea8b7bb502c66cfab0 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=0d5c87ce384576… Author: Mathias Kettner <mk(a)mathias-kettner.de> Date: Tue Aug 9 17:25:36 2011 +0200 new config variable agent_ports --- ChangeLog | 2 ++ modules/check_mk.py | 16 ++++++++++++++-- modules/check_mk_base.py | 4 ++-- 3 files changed, 18 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 33cbc19..faaad6d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -7,6 +7,8 @@ precompilation during cmk -C or cmk -R, but will do this the first time the host is checked. This speeds up restarts. Default is False. Nagios user needs write access in precompiled directory! + * new config variable agent_ports, allowing to specify the agent's + TCP port (default is 6556) on a per-host basis. Checks & Agents: * FIX: cisco_temp: skip non-present sensors at inventory diff --git a/modules/check_mk.py b/modules/check_mk.py index d59e5a7..e8cc557 100755 --- a/modules/check_mk.py +++ b/modules/check_mk.py @@ -210,6 +210,7 @@ NEGATE = '@negate' # negation in boolean lists # Basic Settings agent_port = 6556 +agent_ports = [] tcp_connect_timeout = 5.0 do_rrd_update = False delay_precompile = False # delay Python compilation to Nagios execution @@ -938,6 +939,14 @@ def get_datasource_program(hostname, ipaddress): return programs[0].replace("<IP>", ipaddress).replace("<HOST>", hostname) +def agent_port_of(hostname): + ports = host_extra_conf(hostname, agent_ports) + if len(ports) == 0: + return agent_port + else: + return ports[0] + + def service_description(checkname, item): if checkname not in check_info: if item: @@ -2119,7 +2128,7 @@ no_inventory_possible = None # Compile in all neccessary global variables output.write("\n# Global variables\n") - for var in [ 'check_mk_version', 'agent_port', 'tcp_connect_timeout', 'agent_min_version', + for var in [ 'check_mk_version', 'tcp_connect_timeout', 'agent_min_version', 'perfdata_format', 'aggregation_output_format', 'aggr_summary_hostname', 'nagios_command_pipe_path', 'check_result_path', 'check_submission', @@ -2247,6 +2256,9 @@ no_inventory_possible = None # aggregation output.write("def host_is_aggregated(hostname):\n return %r\n\n" % host_is_aggregated(hostname)) + # TCP port of agent + output.write("def agent_port_of(hostname):\n return %d\n\n" % agent_port_of(hostname)) + # Parameters for checks: Default values are defined in checks/*. The # variables might be overridden by the user in main.mk. We need # to set the actual values of those variables here. Otherwise the users' @@ -3044,7 +3056,7 @@ def dump_host(hostname): print tty_yellow + "Parents: " + tty_normal + ", ".join(parents_list) print tty_yellow + "Host groups: " + tty_normal + ", ".join(hostgroups_of(hostname)) print tty_yellow + "Contact groups: " + tty_normal + ", ".join(host_contactgroups_of([hostname])) - agenttype = "TCP (port: %d)" % agent_port + agenttype = "TCP (port: %d)" % agent_port_of(hostname) if is_snmp_host(hostname): credentials = snmp_credentials_of(hostname) if is_bulkwalk_host(hostname): diff --git a/modules/check_mk_base.py b/modules/check_mk_base.py index b4897a9..47a5e59 100755 --- a/modules/check_mk_base.py +++ b/modules/check_mk_base.py @@ -462,7 +462,7 @@ def get_agent_info_tcp(hostname, ipaddress): s.settimeout(tcp_connect_timeout) except: pass # some old Python versions lack settimeout(). Better ignore than fail - s.connect((ipaddress, agent_port)) + s.connect((ipaddress, agent_port_of(hostname))) try: s.setblocking(1) except: @@ -478,7 +478,7 @@ def get_agent_info_tcp(hostname, ipaddress): return output except Exception, e: raise MKAgentError("Cannot get data from TCP port %s:%d: %s" % - (ipaddress, agent_port, e)) + (ipaddress, agent_port_of(hostname), e)) # Gets all information about one host so far cached.

13 years, 1 month

Check_MK Git: check_mk: Merge branch 'master' of ssh://mathias-kettner.de/ check_mk

by git＠mathias-kettner.de

Module: check_mk Branch: master Commit: 98090ef643ee6f691c3dc8500444a0d42886caf1 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=98090ef643ee6f… Author: Mathias Kettner <mk(a)mathias-kettner.de> Date: Tue Aug 9 17:42:05 2011 +0200 Merge branch 'master' of ssh://mathias-kettner.de/check_mk ---

13 years, 1 month

Check_MK Git: check_mk: WATO: Added new hook "active-changes" which calls the registered hosts

by lm＠mathias-kettner.de

Module: check_mk Branch: master Commit: 17942dc01f0712268797bac5832c8f7d212e21ae URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=17942dc01f0712… Author: Lars Michelsen <lm(a)mathias-kettner.de> Date: Tue Aug 9 14:10:11 2011 +0200 WATO: Added new hook "active-changes" which calls the registered hosts with a dict of "dirty" hosts --- ChangeLog | 2 + web/htdocs/wato.py | 43 ++++++++++++++++++++++++++++++- web/plugins/wato/builtin_attributes.py | 4 +++ 3 files changed, 47 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index d5fa32b..dcbc8f6 100644 --- a/ChangeLog +++ b/ChangeLog @@ -50,6 +50,8 @@ * Sidebar: Snapins can register for a triggered reload after a nagios restart has been detected. Check interval is 30 seconds for now. * Quicksearch snapin: Reloads host lists after a detected nagios restart. + * WATO: Added new hook "active-changes" which calls the registered hosts + with a dict of "dirty" hosts WATO: * Configration files can now be administered via the WEB UI diff --git a/web/htdocs/wato.py b/web/htdocs/wato.py index 36f25da..a7f77b6 100644 --- a/web/htdocs/wato.py +++ b/web/htdocs/wato.py @@ -727,8 +727,6 @@ def get_hostnames_from_checkboxes(): selected_hosts.append(name) return selected_hosts - - # Form for host details (new, clone, edit) def mode_edithost(phase, new): hostname = html.var("host") # may be empty in new/clone mode @@ -782,6 +780,7 @@ def mode_edithost(phase, new): go_to_services = html.var("services") if html.check_transaction(): g_hosts[hostname] = host + mark_as_dirty(g_hosts[hostname]) if new: message = _("Created new host %s.") % hostname log_pending(hostname, "create-host", message) @@ -1213,6 +1212,7 @@ def mode_bulk_edit(phase): hostnames = get_hostnames_from_checkboxes() for hostname in hostnames: host = g_hosts[hostname] + mark_as_dirty(host) host.update(changed_attributes) log_pending(hostname, "bulk-edit", _("Changed attributes of host %s in bulk mode") % hostname) write_the_configuration_file() @@ -1254,6 +1254,7 @@ def mode_bulk_cleanup(phase): hostnames = get_hostnames_from_checkboxes() for hostname in hostnames: host = g_hosts[hostname] + mark_as_dirty(host) num_cleaned = 0 for attrname in to_clean: num_cleaned += 1 @@ -1378,6 +1379,8 @@ def mode_changelog(phase): elif html.check_transaction(): try: check_mk_automation("restart") + call_hook_activate_changes() + undirt_hosts() except Exception, e: raise MKUserError(None, str(e)) log_commit_pending() # flush logfile with pending actions @@ -1535,6 +1538,30 @@ def render_audit_log(log, what, with_filename = False): # | Functions needed at various places | # +----------------------------------------------------------------------+ +def get_dirty_hosts(): + dirty_hosts = {} + load_folder_config() + for hostname, attributes in collect_hosts(g_root_folder).iteritems(): + if attributes.get('dirty', 'no') == 'yes': + dirty_hosts[hostname] = attributes + return dirty_hosts + +def mark_as_dirty(host): + host['dirty'] = 'yes' + +def undirt_hosts(): + # Seems very dirty with all the global things here. Clean this up! + global g_hosts, g_folder, g_file + old_file = g_file + old_folder = g_folder + for hostname, attributes in get_dirty_hosts().iteritems(): + g_file = g_files[attributes['file']] + g_folder = find_folder(attributes['file'][:-1]) + read_the_configuration_file() + del g_hosts[hostname]['dirty'] + write_the_configuration_file() + g_file = old_file + g_folder = old_folder def check_mk_automation(command, args=[], indata=""): # Gather the command to use for executing --automation calls to check_mk @@ -2262,6 +2289,7 @@ def move_hosts_to(hostnames, target_filename): continue target_hosts[hostname] = g_hosts[hostname] + mark_as_dirty(target_hosts[hostname]) target_file["num_hosts"] += 1 g_file["num_hosts"] -= 1 del g_hosts[hostname] @@ -3138,6 +3166,7 @@ def collect_hosts(the_thing): host["file"] = the_thing[".path"] return effective_hosts + def call_hooks(name, *args): n = 0 for hk in hooks.get(name, []): @@ -3173,6 +3202,16 @@ def call_hook_file_or_folder_deleted(what, the_thing): elif what == 'folder' and 'folder-deleted' in hooks: call_hooks("folder-deleted", the_thing) +def call_hook_activate_changes(): + """ + This hook is executed when one applies the pending configuration changes + from wato. + + The registered hooks are called with a dictionary as parameter which + has the dirty hostnames as keys and the attributes of the hosts as values. + """ + call_hooks("activate-changes", get_dirty_hosts()) + # +----------------------------------------------------------------------+ # | ____ _ _ | # | | _ \| |_ _ __ _(_)_ __ ___ | diff --git a/web/plugins/wato/builtin_attributes.py b/web/plugins/wato/builtin_attributes.py index 5c6945f..c128bce 100644 --- a/web/plugins/wato/builtin_attributes.py +++ b/web/plugins/wato/builtin_attributes.py @@ -35,3 +35,7 @@ declare_host_attribute(IPAddressAttribute("ipaddress", _("IP Address"), show_in_table=True, show_in_folder=True) +declare_host_attribute(EnumAttribute("dirty", _("Dirty"), + _("Modified since last "Active Changes"?"), + "No", [ ('no', _('No')), ('yes', _('Yes'))]), + show_in_table = False, show_in_folder = False)

13 years, 1 month

Check_MK Git: check_mk: Merge branch 'master' of ssh://git.mathias-kettner. de/var/www/80/git.mathias-kettner.de/check_mk

by lm＠mathias-kettner.de

Module: check_mk Branch: master Commit: 20fca4b12bd1663b52cdfa8ff80363cdb8082af2 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=20fca4b12bd166… Author: Lars Michelsen <lm(a)mathias-kettner.de> Date: Tue Aug 9 14:39:10 2011 +0200 Merge branch 'master' of ssh://git.mathias-kettner.de/var/www/80/git.mathias-kettner.de/check_mk Conflicts: ChangeLog ---

13 years, 1 month

Check_MK Git: check_mk: Updated bug entries

by git＠mathias-kettner.de

Module: check_mk Branch: master Commit: f8a14874e1822ede87a5a8d75d041b980c879bea URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=f8a14874e1822e… Author: Mathias Kettner <mk(a)mathias-kettner.de> Date: Tue Aug 9 10:32:54 2011 +0200 Updated bug entries --- .bugs/321 | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 54 insertions(+), 0 deletions(-) diff --git a/.bugs/321 b/.bugs/321 new file mode 100644 index 0000000..1643be1 --- /dev/null +++ b/.bugs/321 @@ -0,0 +1,54 @@ +Title: Cache selected SNMP trees containing static data +Component: core +Benefit: 4 +State: open +Cost: 4 +Date: 2011-08-09 10:19:02 +Class: feature + +The data we fetch via SNMP is sometimes very dynamic (such as +network traffic counters) and sometimes very static (such as interface +names, ifAdminState, descriptions of hardware sensors and others). +We could introduce a special caching for those static trees. + +[1] The checks registers static trees: + +register_snmp_static_oid(".1.3.6.1.5.6.7.88.99") + +Or, alternatively: + +register_snmp_static_oid(".1.3.6.1.5.6.7.88.99", [ 1, 2, "4.55" ] ) + + +[2] This function simply puts those OIDs into a set([]). + +[3] The snmp walk function (and also get) first always check +if the OID they should fetch is listed in the static oids. +If that is the case, the caching mechanism is activated. +First we check, if the cache file for that OID (on that +host) is present. This is tmp/check_mk/cache/myhoist.1.3.6.1.5.6.7.88.99. +If that file is present and its age is < snmp_cache_age, then +we eval() that file, return it and are finished. +The variable snmp_cache_age is meant in minutes and is preset to 10. +It can be overridden in main.mk. + +If the cache file is not present, we proceed as usual, but create +the file at the end by writing repr(...) of the result list into it. + +[4] In inventory mode, when only a single host is given, we do +*not* use the cache. This is consistent with the way the current +caches are used for inventory. If it is hard to transport that information +to the lower level function, we could simply delete the cache files +before doing the inventory. + +[5] Make sure, that cmk --flush also deletes those cache files. + +[6] Review *all* existing checks and register static OIDs where +appropriate. + +[7] Update the documentation about writing checks. Add a section +into the check guidelines. Declaration of static OIDs will be +enforced by the guide from the next stable version after 1.1.11. + +[8] Try to measure the overal benefit on sime real live system +with a lot of SNMP devices.

13 years, 1 month

Check_MK Git: check_mk: netapp_vfiler: add leading dot to OID

by git＠mathias-kettner.de

Module: check_mk Branch: master Commit: d11b3d9b31eddca69b21c1d78a37fe9d7679e6c7 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=d11b3d9b31eddc… Author: Mathias Kettner <mk(a)mathias-kettner.de> Date: Tue Aug 9 10:10:59 2011 +0200 netapp_vfiler: add leading dot to OID --- checks/netapp_vfiler | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/checks/netapp_vfiler b/checks/netapp_vfiler index b1de250..e8b03ff 100644 --- a/checks/netapp_vfiler +++ b/checks/netapp_vfiler @@ -68,5 +68,5 @@ check_info["netapp_vfiler"] = (check_netapp_vfiler, "vFiler Status %s", 0, inven snmp_scan_functions["netapp_vfiler"] = \ - lambda oid: "netapp release" in oid("1.3.6.1.2.1.1.1.0").lower() + lambda oid: "netapp release" in oid(".1.3.6.1.2.1.1.1.0").lower()

13 years, 1 month

Check_MK Git: check_mk: FIX: cisco_temp_perf: add critical level to performance data

by git＠mathias-kettner.de

Module: check_mk Branch: master Commit: e171c8c8676d650be0e1b7e54d45e1862f296204 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=e171c8c8676d65… Author: Mathias Kettner <mk(a)mathias-kettner.de> Date: Tue Aug 9 10:08:07 2011 +0200 FIX: cisco_temp_perf: add critical level to performance data Thanks to Ulrich Kiermayer --- ChangeLog | 1 + checks/cisco_temp_perf | 2 +- 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/ChangeLog b/ChangeLog index 9e96489..33cbc19 100644 --- a/ChangeLog +++ b/ChangeLog @@ -15,6 +15,7 @@ * FIX: if64: fix UNKNOWN in case of non-unique ifAlias * FIX: lnx_if/if/if64: ignore percentual traffic levels on NICs without speed information. + * FIX: cisco_temp_perf: add critical level to performance data * brocade_port: check for Brocade FC ports has been rewritten with lots of new features. * AIX agent now simulates <<<netctr>>> output (by Jörg Linge) diff --git a/checks/cisco_temp_perf b/checks/cisco_temp_perf index e441a1d..ea9f4bf 100644 --- a/checks/cisco_temp_perf +++ b/checks/cisco_temp_perf @@ -69,7 +69,7 @@ def check_cisco_temp_perf(item, params, info): if line[0] == item or line[4] == item: temp = saveint(line[1]) if temp != 0: - perfdata = [("temp", temp)] + perfdata = [("temp", temp, None, saveint(line[2]) )] temptext = ", %d degrees (critical at %d)" % (temp, saveint(line[2])) else: perfdata = []

13 years, 1 month

Check_MK Git: check_mk: FIX: cisco_temp: skip non-present sensors at inventory

by git＠mathias-kettner.de

Module: check_mk Branch: master Commit: ab08b3e80f3593741bb0b8103f521aee0b67958d URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=ab08b3e80f3593… Author: Mathias Kettner <mk(a)mathias-kettner.de> Date: Tue Aug 9 10:06:00 2011 +0200 FIX: cisco_temp: skip non-present sensors at inventory Thanks to Ulrich Kiermayr --- ChangeLog | 1 + checkman/cisco_temp | 3 ++- checks/cisco_temp | 8 ++------ 3 files changed, 5 insertions(+), 7 deletions(-) diff --git a/ChangeLog b/ChangeLog index b54b9ea..9e96489 100644 --- a/ChangeLog +++ b/ChangeLog @@ -9,6 +9,7 @@ Nagios user needs write access in precompiled directory! Checks & Agents: + * FIX: cisco_temp: skip non-present sensors at inventory * FIX: apc_symmetra: fix remaining runtime calculation (by factor 100) * FIX: Added PNP-template for winperf_phydisk * FIX: if64: fix UNKNOWN in case of non-unique ifAlias diff --git a/checkman/cisco_temp b/checkman/cisco_temp index 007bf4d..ead1c8e 100644 --- a/checkman/cisco_temp +++ b/checkman/cisco_temp @@ -20,4 +20,5 @@ item: the device. inventory: - One check for each sensor is created by the inventory. + One check for each sensor is created by the inventory, if the + sensor is not in state {5} (not present). diff --git a/checks/cisco_temp b/checks/cisco_temp index 5232e4e..f068db5 100644 --- a/checks/cisco_temp +++ b/checks/cisco_temp @@ -51,12 +51,8 @@ def inventory_cisco_temp(checktyp, info): - # inventory = [] - # for name, state in info: - # inventory.append( (name, None) ) - # return inventory - - return [ (name, None) for (name, state) in info ] + # Skip sensors with state 5 (not present) + return [ (name, None) for (name, state) in info if state != '5' ] def check_cisco_temp(item, params, info): for name, state in info:

13 years, 1 month

Check_MK Git: check_mk: FIX: local checks could not override shipped ones

by git＠mathias-kettner.de

Module: check_mk Branch: master Commit: 8b2121b0db14a783cfdfa5e3149cad27174dd4e0 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=8b2121b0db14a7… Author: Mathias Kettner <mk(a)mathias-kettner.de> Date: Mon Aug 8 20:48:51 2011 +0200 FIX: local checks could not override shipped ones --- modules/check_mk.py | 13 ++++++++++--- 1 files changed, 10 insertions(+), 3 deletions(-) diff --git a/modules/check_mk.py b/modules/check_mk.py index 906afd6..d59e5a7 100755 --- a/modules/check_mk.py +++ b/modules/check_mk.py @@ -368,12 +368,19 @@ def no_inventory_possible(checkname, info): if __name__ == "__main__": filelist = glob.glob(checks_dir + "/*") - if local_checks_dir: - filelist += glob.glob(local_checks_dir + "/*") filelist.sort() - # read include files first! + + # read local checks *after* shipped ones! + if local_checks_dir: + local_files = glob.glob(local_checks_dir + "/*") + local_files.sort() + filelist += local_files + + # read include files always first, but still in the sorted + # order with local ones last (possibly overriding variables) filelist = [ f for f in filelist if f.endswith(".include") ] + \ [ f for f in filelist if not f.endswith(".include") ] + for f in filelist: if not f.endswith("~"): # ignore emacs-like backup files try:

13 years, 1 month

Check_MK Git: check_mk: Prevent precompile wherever possible

by git＠mathias-kettner.de

Module: check_mk Branch: master Commit: 0b451e1b641c488f6ee046ff0b2cb00dacf87c0b URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=0b451e1b641c48… Author: Mathias Kettner <mk(a)mathias-kettner.de> Date: Sun Aug 7 18:44:58 2011 +0200 Prevent precompile wherever possible Skip precompilation if source code (.py) is unchanged. Delay preompilation if delay_precompile is True. --- ChangeLog | 4 ++++ modules/check_mk.py | 41 +++++++++++++++++++++++++++++++++++++---- 2 files changed, 41 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index d8afd80..b54b9ea 100644 --- a/ChangeLog +++ b/ChangeLog @@ -3,6 +3,10 @@ * FIX: sort output of cmk --list-hosts alphabetically * Great speed up of cmk -N/-C/-U/-R, especially when number of hosts is large. + * new main.mk option delay_precompile: if True, check_mk will skip Python + precompilation during cmk -C or cmk -R, but will do this the first + time the host is checked. This speeds up restarts. Default is False. + Nagios user needs write access in precompiled directory! Checks & Agents: * FIX: apc_symmetra: fix remaining runtime calculation (by factor 100) diff --git a/modules/check_mk.py b/modules/check_mk.py index 48fbcba..906afd6 100755 --- a/modules/check_mk.py +++ b/modules/check_mk.py @@ -212,6 +212,7 @@ NEGATE = '@negate' # negation in boolean lists agent_port = 6556 tcp_connect_timeout = 5.0 do_rrd_update = False +delay_precompile = False # delay Python compilation to Nagios execution check_submission = "pipe" # alternative: "file" aggr_summary_hostname = "%s-s" agent_min_version = 0 # warn, if plugin has not at least version @@ -2079,9 +2080,24 @@ def precompile_hostcheck(hostname): compiled_filename = precompiled_hostchecks_dir + "/" + hostname source_filename = compiled_filename + ".py" - output = file(source_filename, "w") + + output = file(source_filename + ".new", "w") output.write("#!/usr/bin/python\n") output.write("# encoding: utf-8\n") + + # Self-compile: replace symlink with precompiled python-code, if + # we are run for the first time + if delay_precompile: + output.write(""" +import os +if os.path.islink(%(dst)r): + import py_compile + os.remove(%(dst)r) + py_compile.compile(%(src)r, %(dst)r, %(dst)r, True) + os.chmod(%(dst)r, 0755) + +""" % { "src" : source_filename, "dst" : compiled_filename }) + output.write(stripped_python_file(modules_dir + "/check_mk_base.py")) # initialize global variables @@ -2236,9 +2252,26 @@ no_inventory_possible = None output.write("do_check(%r, %r)\n" % (hostname, ipaddress)) output.close() - # compile python - py_compile.compile(source_filename, compiled_filename, compiled_filename, True) - os.chmod(compiled_filename, 0755) + # compile python (either now or delayed), but only if the source + # code has not changed. The Python compilation is the most costly + # operation here. + if os.path.exists(source_filename): + if file(source_filename).read() == file(source_filename + ".new").read(): + if opt_verbose: + sys.stderr.write(" (%s is unchanged)\n" % source_filename) + os.remove(source_filename + ".new") + return + elif opt_verbose: + sys.stderr.write(" (new content)") + + os.rename(source_filename + ".new", source_filename) + if not delay_precompile: + py_compile.compile(source_filename, compiled_filename, compiled_filename, True) + os.chmod(compiled_filename, 0755) + else: + if os.path.exists(compiled_filename) or os.path.islink(compiled_filename): + os.remove(compiled_filename) + os.symlink(hostname + ".py", compiled_filename) if opt_verbose: sys.stderr.write(" ==> %s.\n" % compiled_filename)

13 years, 1 month

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