diff --git a/src/box/lua/load_cfg.lua b/src/box/lua/load_cfg.lua
index 5fc6c6729b0b2cc28b82bb79382f55a79f9e0682..b2be310c1541d9e21d3d38f2dc7fd7358c60a79d 100644
--- a/src/box/lua/load_cfg.lua
+++ b/src/box/lua/load_cfg.lua
@@ -1274,6 +1274,11 @@ box.internal.cfg = setmetatable({}, {
end,
})
+-- Expose list of all available box.cfg() options and their
+-- default values for testing purposes.
+box.internal.template_cfg = template_cfg
+box.internal.default_cfg = default_cfg
+
-- gh-810:
-- hack luajit default cpath
-- commented out because we fixed luajit to build properly, see
diff --git a/test/config-luatest/instance_config_schema_test.lua b/test/config-luatest/instance_config_schema_test.lua
index e3fb42443dbe195b495d501aff5ac738f6621030..469b492ffb766444a46ea691ed61b9115b7209a9 100644
--- a/test/config-luatest/instance_config_schema_test.lua
+++ b/test/config-luatest/instance_config_schema_test.lua
@@ -1,3 +1,5 @@
+local fun = require('fun')
+local log = require('log')
local t = require('luatest')
local instance_config = require('internal.config.instance_config')
@@ -989,3 +991,181 @@ g.test_app = function()
local res = instance_config:apply_default({}).app
t.assert_equals(res, nil)
end
+
+-- Whether all box.cfg() options can be set using the declarative
+-- configuration.
+--
+-- The test also verifies that all the box_cfg annotations are
+-- point to existing box.cfg() options.
+--
+-- And also compares default values in the schema against ones set
+-- by the box.cfg() call.
+g.test_box_cfg_coverage = function()
+ -- There are box.cfg() options that are set by the box_cfg
+ -- applier on its own and cannot be set directly in the
+ -- declarative config.
+ --
+ -- Also, there are some options to be added into the declarative
+ -- config soon.
+ local ignore = {
+ -- Handled by box_cfg applier without the box_cfg schema
+ -- node annotation.
+ instance_name = true,
+ replicaset_name = true,
+ cluster_name = true,
+ log = true,
+
+ -- Controlled by the leader and database.mode options,
+ -- handled by the box_cfg applier.
+ read_only = true,
+
+ -- Deliberately moved out of the config, because the
+ -- box.cfg() options is deprecated.
+ replication_connect_quorum = true,
+
+ -- Moved to the CLI options (see gh-8876).
+ force_recovery = true,
+
+ -- TODO: Will be added in the scope of gh-8861.
+ audit_log = true,
+ audit_nonblock = true,
+ audit_format = true,
+ audit_filter = true,
+
+ -- TODO: Will be added in the scope of gh-8861.
+ auth_type = true,
+ auth_delay = true,
+ disable_guest = true,
+ password_lifetime_days = true,
+ password_min_length = true,
+ password_enforce_uppercase = true,
+ password_enforce_lowercase = true,
+ password_enforce_digits = true,
+ password_enforce_specialchars = true,
+ password_history_length = true,
+
+ -- TODO: Will be added in the scope of gh-8861.
+ feedback_enabled = true,
+ feedback_crashinfo = true,
+ feedback_host = true,
+ feedback_interval = true,
+ feedback_send_metrics = true,
+ feedback_metrics_collect_interval = true,
+ feedback_metrics_limit = true,
+
+ -- TODO: Will be added in the scope of gh-8861.
+ flightrec_enabled = true,
+ flightrec_logs_size = true,
+ flightrec_logs_max_msg_size = true,
+ flightrec_logs_log_level = true,
+ flightrec_metrics_interval = true,
+ flightrec_metrics_period = true,
+ flightrec_requests_size = true,
+ flightrec_requests_max_req_size = true,
+ flightrec_requests_max_res_size = true,
+
+ -- TODO: Will be added in the scope of gh-8861.
+ metrics = true,
+
+ -- TODO: Will be added in the scope of gh-8861.
+ bootstrap_leader = true,
+ memtx_sort_threads = true,
+ }
+
+ -- There are options, where defaults are changed deliberately.
+ local ignore_default = {
+ -- box.cfg.log_nonblock is set to nil by default, but
+ -- actually it means false.
+ log_nonblock = true,
+
+ -- Adjusted to use {{ instance_name }}.
+ custom_proc_title = true,
+ memtx_dir = true,
+ pid_file = true,
+ wal_dir = true,
+ vinyl_dir = true,
+
+ -- The effective default is determined depending of
+ -- the replication.failover option.
+ election_mode = true,
+ }
+
+ local log_prefix = 'test_box_cfg_coverage'
+ local ljust = 33
+
+ -- Collect box_cfg annotations from the schema.
+ local box_cfg_options_in_schema = instance_config:pairs():filter(function(w)
+ -- Skip EE options on CE.
+ if w.schema.enterprise_edition and not is_enterprise then
+ return false
+ end
+ return w.schema.box_cfg ~= nil
+ end):map(function(w)
+ return w.schema.box_cfg, {
+ path = table.concat(w.path, '.'),
+ default = w.schema.default,
+ }
+ end):tomap()
+
+ -- <schema>:pairs() iterates over scalar, array and map schema
+ -- nodes. It expands records on its own and don't add them
+ -- into the iterator.
+ --
+ -- However, wal.ext schema node is a record. Let's add it
+ -- manually.
+ local records_to_traverse = {
+ ['wal.ext'] = instance_config.schema.fields.wal.fields.ext,
+ }
+ fun.iter(records_to_traverse):each(function(path, schema)
+ if schema.enterprise_edition and not is_enterprise then
+ return
+ end
+ if schema.box_cfg ~= nil then
+ box_cfg_options_in_schema[schema.box_cfg] = {
+ path = path,
+ default = schema.default,
+ }
+ end
+ end)
+
+ -- Verify box_cfg annotations in the instance config schema:
+ -- they must correspond to existing box.cfg() options.
+ for option_name, in_schema in pairs(box_cfg_options_in_schema) do
+ log.info('%s: verify existence of box.cfg.%s that is pointed by %s...',
+ log_prefix, option_name:ljust(ljust), in_schema.path)
+ t.assert(box.internal.template_cfg[option_name] ~= nil,
+ ('%s points to non-existing box.cfg.%s'):format(in_schema.path,
+ option_name))
+ end
+
+ -- Verify that all box.cfg() option are present in the
+ -- instance config schema (with known exceptions).
+ for option_name, _ in pairs(box.internal.template_cfg) do
+ if ignore[option_name] then
+ log.info('%s: box.cfg.%s skip', log_prefix,
+ option_name:ljust(ljust))
+ else
+ log.info('%s: box.cfg.%s find...', log_prefix,
+ option_name:ljust(ljust))
+ t.assert(box_cfg_options_in_schema[option_name] ~= nil,
+ ('box.cfg.%s is not found in the instance config ' ..
+ 'schema'):format(option_name))
+ end
+ end
+
+ -- Compare defaults.
+ for option_name, in_schema in pairs(box_cfg_options_in_schema) do
+ if not ignore_default[option_name] then
+ t.assert_equals(in_schema.default,
+ box.internal.default_cfg[option_name],
+ ('defaults for box.cfg.%s are different'):format(option_name))
+ end
+ end
+ for option_name, _ in pairs(box.internal.template_cfg) do
+ if not ignore[option_name] and not ignore_default[option_name] then
+ t.assert_equals(box_cfg_options_in_schema[option_name].default,
+ box.internal.default_cfg[option_name],
+ ('defaults for box.cfg.%s are different'):format(option_name))
+ end
+ end
+end