feat(syslog-ng): expose log_msg_size global option

Add the log_msg_size global option to SyslogNGSpec.GlobalOptions so users
can override syslog-ng's built-in default of 8192 bytes. When unset, nothing
is rendered and syslog-ng keeps its native default.

Author: frantisekdolsky

charts/logging-operator/charts/logging-operator-crds/templates/logging.banzaicloud.io_loggings.yaml

@@ -12215,6 +12215,8 @@ spec:
                     properties:
                       log_level:
                         type: string
+                      log_msg_size:
+                        type: integer
                       stats:
                         properties:
                           freq:

charts/logging-operator/charts/logging-operator-crds/templates/logging.banzaicloud.io_syslogngconfigs.yaml

@@ -4216,6 +4216,8 @@ spec:
                 properties:
                   log_level:
                     type: string
+                  log_msg_size:
+                    type: integer
                   stats:
                     properties:
                       freq:

charts/logging-operator/crds/logging.banzaicloud.io_loggings.yaml

@@ -12212,6 +12212,8 @@ spec:
                     properties:
                       log_level:
                         type: string
+                      log_msg_size:
+                        type: integer
                       stats:
                         properties:
                           freq:

charts/logging-operator/crds/logging.banzaicloud.io_syslogngconfigs.yaml

@@ -4213,6 +4213,8 @@ spec:
                 properties:
                   log_level:
                     type: string
+                  log_msg_size:
+                    type: integer
                   stats:
                     properties:
                       freq:

config/crd/bases/logging.banzaicloud.io_loggings.yaml

@@ -12212,6 +12212,8 @@ spec:
                     properties:
                       log_level:
                         type: string
+                      log_msg_size:
+                        type: integer
                       stats:
                         properties:
                           freq:

config/crd/bases/logging.banzaicloud.io_syslogngconfigs.yaml

@@ -4213,6 +4213,8 @@ spec:
                 properties:
                   log_level:
                     type: string
+                  log_msg_size:
+                    type: integer
                   stats:
                     properties:
                       freq:

docs/configuration/crds/v1beta1/syslogng_types.md

@@ -143,6 +143,11 @@ SyslogNGTLS defines the TLS configs
 See the [AxoSyslog Core documentation](https://axoflow.com/docs/axosyslog-core/chapter-global-options/reference-options/#global-options-log-level). 
 
 
+### log_msg_size (*int, optional) {#globaloptions-log_msg_size}
+
+The maximum size of a message in bytes. Defaults to syslog-ng's built-in default of 8192 when unset. See the [AxoSyslog Core documentation](https://axoflow.com/docs/axosyslog-core/chapter-global-options/reference-options/#global-option-log-msg-size). 
+
+
 ### stats (*Stats, optional) {#globaloptions-stats}
 
 See the [AxoSyslog Core documentation](https://axoflow.com/docs/axosyslog-core/chapter-global-options/reference-options/#global-option-stats). 

pkg/sdk/logging/api/v1beta1/syslogng_types.go

@@ -120,6 +120,9 @@ type GlobalOptions struct {
 	Stats *Stats `json:"stats,omitempty"`
 	// See the [AxoSyslog Core documentation](https://axoflow.com/docs/axosyslog-core/chapter-global-options/reference-options/#global-options-log-level).
 	LogLevel *string `json:"log_level,omitempty"`
+	// The maximum size of a message in bytes. Defaults to syslog-ng's built-in default of 8192 when unset.
+	// See the [AxoSyslog Core documentation](https://axoflow.com/docs/axosyslog-core/chapter-global-options/reference-options/#global-option-log-msg-size).
+	LogMsgSize *int `json:"log_msg_size,omitempty"`
 }
 
 type Stats struct {

pkg/sdk/logging/api/v1beta1/zz_generated.deepcopy.go

@@ -358,6 +358,36 @@ options {
     stats(level(3) freq(0));
 };
 
+source "main_input" {
+    channel {
+        source {
+            network(flags("no-parse") port(601) transport("tcp"));
+        };
+        parser {
+            json-parser(prefix("json."));
+        };
+    };
+};
+`,
+		},
+		"global options log_msg_size": {
+			input: Input{
+				SyslogNGSpec: &v1beta1.SyslogNGSpec{
+					GlobalOptions: &v1beta1.GlobalOptions{
+						LogMsgSize: amp(32768),
+					},
+				},
+				SourcePort:          601,
+				SecretLoaderFactory: &TestSecretLoaderFactory{},
+			},
+			wantOut: `@version: current
+
+@include "scl.conf"
+
+options {
+    log_msg_size(32768);
+};
+
 source "main_input" {
     channel {
         source {