MINOR: global: add experimental shm-stats-file-max-objects option

Signed-off-by: Vincent Gramer <vgramer@haproxy.com>

Author: vgramer

config-parser/section-parsers.go

@@ -480,6 +480,7 @@ func (p *configParser) getGlobalParser() *Parsers { //nolint: maintidx
 	addParser(parser, &sequence, &simple.Word{Name: "acme.scheduler"})
 	addParser(parser, &sequence, &simple.Number{Name: "stress-level"})
 	addParser(parser, &sequence, &simple.Word{Name: "shm-stats-file"})
+	addParser(parser, &sequence, &simple.Number{Name: "shm-stats-file-max-objects"})
 	// the ConfigSnippet must be at the end to parsers load order to ensure
 	// the overloading of any option has been declared previously
 	addParser(parser, &sequence, &parsers.ConfigSnippet{})

config-parser/tests/configs/haproxy.cfg.go

@@ -74,6 +74,7 @@ global
   warn-blocked-traffic-after 50ms
   dns-accept-family ipv4,ipv6
   shm-stats-file some_file
+  shm-stats-file-max-objects 100
   # random comment before snippet
   ###_config-snippet_### BEGIN
   tune.ssl.default-dh-param 2048

configuration/global.go

@@ -2331,6 +2331,12 @@ func ParseGlobalSection(p parser.Parser) (*models.Global, error) { //nolint:goco
 	}
 	global.ShmStatsFile = shmStatsFile
 
+	shmStatSileMaxObjects, err := parseInt64POption(p, "shm-stats-file-max-objects")
+	if err != nil {
+		return nil, err
+	}
+	global.ShmStatsFileMaxObjects = shmStatSileMaxObjects
+
 	envOptions, err := parseEnvironmentOptions(p)
 	if err != nil {
 		return nil, err
@@ -3245,6 +3251,10 @@ func SerializeGlobalSection(p parser.Parser, data *models.Global, opt *options.C
 		return err
 	}
 
+	if err := serializeInt64POption(p, "shm-stats-file-max-objects", data.ShmStatsFileMaxObjects); err != nil {
+		return err
+	}
+
 	if err := serializeStringOption(p, "description", data.Description); err != nil {
 		return err
 	}

models/global_base.go

@@ -2545,6 +2545,11 @@ definitions:
         pattern: ^[^\s]+$
         type: string
         x-display-name: Shared Memory Statistics File (EXPERIMENTAL)
+      shm_stats_file_max_objects:
+        minimum: 0
+        type: integer
+        x-display-name: Maximum number of objects the shared memory used for shared counters will be able to store per thread group. (EXPERIMENTAL)
+        x-nullable: true
       ssl_options:
         $ref: '#/definitions/ssl_options'
       stats_file:

models/global_base_compare_test.go

@@ -371,6 +371,11 @@ global_base:
       type: string
       pattern: '^[^\s]+$'
       x-display-name: Shared Memory Statistics File (EXPERIMENTAL)
+    shm_stats_file_max_objects:
+      type: integer
+      minimum: 0
+      x-nullable: true
+      x-display-name: Maximum number of objects the shared memory used for shared counters will be able to store per thread group. (EXPERIMENTAL)
     environment_options:
       $ref: "#/definitions/environment_options"
     performance_options:

models/globalbase_diff_generated.go

@@ -288,6 +288,7 @@ global
   ocsp-update.mode on
   dns-accept-family ipv4,ipv6
   shm-stats-file some_file
+  shm-stats-file-max-objects 100
   warn-blocked-traffic-after 50ms
   acme.scheduler off
   stress-level 5