From 14699d2997f8b1e6e65cc2c24b33e2fcaf9cee4d Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Fri, 15 Jun 2018 17:29:11 -0500
Subject: [PATCH] common/ceph_context: add "assert" and "abort" asok commands

Require 'debug_asok_assert_abort = true'

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/common/ceph_context.cc      | 8 ++++++++
 src/common/legacy_config_opts.h | 1 +
 src/common/options.cc           | 4 ++++
 src/vstart.sh                   | 1 +
 4 files changed, 14 insertions(+)

diff --git a/src/common/ceph_context.cc b/src/common/ceph_context.cc
index faaca450b2d..0a087d8cc24 100644
--- a/src/common/ceph_context.cc
+++ b/src/common/ceph_context.cc
@@ -391,6 +391,12 @@ void CephContext::do_command(std::string_view command, const cmdmap_t& cmdmap,
   }
   lgeneric_dout(this, 1) << "do_command '" << command << "' '"
 			 << ss.str() << dendl;
+  if (command == "assert" && _conf->debug_asok_assert_abort) {
+    assert(0 == "assert");
+  }
+  if (command == "abort" && _conf->debug_asok_assert_abort) {
+    abort();
+  }
   if (command == "perfcounters_dump" || command == "1" ||
       command == "perf dump") {
     std::string logger;
@@ -582,6 +588,8 @@ CephContext::CephContext(uint32_t module_type_,
   _plugin_registry = new PluginRegistry(this);
 
   _admin_hook = new CephContextHook(this);
+  _admin_socket->register_command("assert", "assert", _admin_hook, "");
+  _admin_socket->register_command("abort", "abort", _admin_hook, "");
   _admin_socket->register_command("perfcounters_dump", "perfcounters_dump", _admin_hook, "");
   _admin_socket->register_command("1", "1", _admin_hook, "");
   _admin_socket->register_command("perf dump", "perf dump name=logger,type=CephString,req=false name=counter,type=CephString,req=false", _admin_hook, "dump perfcounters value");
diff --git a/src/common/legacy_config_opts.h b/src/common/legacy_config_opts.h
index 1df4177884a..b7c1559cdd0 100644
--- a/src/common/legacy_config_opts.h
+++ b/src/common/legacy_config_opts.h
@@ -1516,6 +1516,7 @@ OPTION(rgw_torrent_sha_unit, OPT_INT)    // torrent field piece length 512K
 OPTION(event_tracing, OPT_BOOL) // true if LTTng-UST tracepoints should be enabled
 
 OPTION(debug_deliberately_leak_memory, OPT_BOOL)
+OPTION(debug_asok_assert_abort, OPT_BOOL)
 
 OPTION(rgw_swift_custom_header, OPT_STR) // option to enable swift custom headers
 
diff --git a/src/common/options.cc b/src/common/options.cc
index a4c54a19b7f..e682526a7c9 100644
--- a/src/common/options.cc
+++ b/src/common/options.cc
@@ -4880,6 +4880,10 @@ std::vector<Option> get_global_options() {
     Option("debug_asserts_on_shutdown", Option::TYPE_BOOL,Option::LEVEL_DEV)
     .set_default(false)
     .set_description("Enable certain asserts to check for refcounting bugs on shutdown; see http://tracker.ceph.com/issues/21738"),
+
+    Option("debug_asok_assert_abort", Option::TYPE_BOOL, Option::LEVEL_DEV)
+    .set_default(false)
+    .set_description("allow commands 'assert' and 'abort' via asok for testing crash dumps etc"),
   });
 }
 
diff --git a/src/vstart.sh b/src/vstart.sh
index 84e84e4c19a..9b4af13d86c 100755
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -461,6 +461,7 @@ prepare_conf() {
 	crash dir = $CEPH_OUT_DIR
         enable experimental unrecoverable data corrupting features = *
 	osd_crush_chooseleaf_type = 0
+	debug asok assert abort = true
 $extra_conf
 EOF
 	if [ "$lockdep" -eq 1 ] ; then
-- 
2.39.5