Remove tnt_cartridge_config_applied metric

Author: p0rtale

CHANGELOG.md

@@ -12,6 +12,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+### Removed
+
+- `tnt_cartridge_config_applied` metric that only reflected local node state.
+
 ## [1.4.0] - 2025-07-07
 
 ### Added

doc/monitoring/api_reference.rst

@@ -570,7 +570,6 @@ Metrics functions
     *   ``luajit``
     *   ``cartridge_issues``
     *   ``cartridge_failover``
-    *   ``cartridge_config``
     *   ``clock``
     *   ``event_loop``
     *   ``config``

doc/monitoring/metrics_reference.rst

@@ -414,9 +414,6 @@ Cartridge
         *   -   ``tnt_cartridge_failover_trigger_total``
             -   Count of failover triggers in cluster.
 
-        *   -   ``tnt_cartridge_config_applied``
-            -   Whether the Cartridge configuration was successfully applied (1 if applied, 0 otherwise).
-
 ..  _metrics-reference-luajit:
 
 LuaJIT metrics

metrics/cartridge/config.lua

@@ -22,7 +22,6 @@ local default_metrics = {
     luajit              = require('metrics.tarantool.luajit'),
     cartridge_issues    = require('metrics.cartridge.issues'),
     cartridge_failover  = require('metrics.cartridge.failover'),
-    cartridge_config    = require('metrics.cartridge.config'),
     clock               = require('metrics.tarantool.clock'),
     event_loop          = require('metrics.tarantool.event_loop'),
     config              = require('metrics.tarantool.config'),

metrics/tarantool.lua

@@ -144,37 +144,3 @@ g.test_failover = function()
     g.cluster.main_server:start()
     g.cluster:wait_until_healthy()
 end
-
-g.test_config_applied = function()
-    helpers.skip_cartridge_version_less('2.16.1')
-    local main_server = g.cluster:server('main')
-
-    t.helpers.retrying({}, function()
-        local resp = main_server:http_request('get', '/metrics')
-        local config_metric = utils.find_metric('tnt_cartridge_config_applied', resp.json)
-
-        t.assert_is_not(config_metric, nil, 'Cartridge config applied metric presents in /metrics response')
-        t.assert_equals(config_metric[1].value, 1, 'Config should be applied')
-    end)
-end
-
-g.test_config_not_applied = function()
-    helpers.skip_cartridge_version_less('2.16.1')
-    local main_server = g.cluster:server('main')
-
-    main_server.net_box:eval([[
-        local patch = require('cartridge').config_patch_clusterwide
-        local ok, err = patch({
-            ['conflict'] = {},
-            ['conflict.yml'] = "text",
-        })
-    ]])
-
-    t.helpers.retrying({}, function()
-        local resp = main_server:http_request('get', '/metrics')
-        local config_metric = utils.find_metric('tnt_cartridge_config_applied', resp.json)
-
-        t.assert_is_not(config_metric, nil, 'Cartridge config applied metric presents in /metrics response')
-        t.assert_equals(config_metric[1].value, 0, 'Config should not be applied')
-    end)
-end