K8s: Add config to disable plain logs while enabling structured logs (#3087)

VietND96 · web-flow · commit ccd697cef2b1 · 2026-02-23T00:57:47.000+07:00
Signed-off-by: Viet Nguyen Duc &lt;viet.dnguyen@katalon.com&gt;
diff --git a/Base/Dockerfile b/Base/Dockerfile
@@ -227,6 +227,7 @@ ENV SE_BIND_HOST="false" \
     SE_LOG_LEVEL="INFO" \
     SE_HTTP_LOGS="false" \
     SE_STRUCTURED_LOGS="false" \
+    SE_PLAIN_LOGS="true" \
     SE_ENABLE_TRACING="true" \
     SE_ENABLE_TLS="false" \
     SE_JAVA_OPTS_DEFAULT="" \
diff --git a/Distributor/start-selenium-grid-distributor.sh b/Distributor/start-selenium-grid-distributor.sh
@@ -108,6 +108,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/ENV_VARIABLES.md b/ENV_VARIABLES.md
@@ -165,3 +165,4 @@
 | SE_UPLOAD_FAILURE_SESSION_EVENTS | :failed,:failure | By default, a failure session event type contains ":failed" or ":failure" fires that will trigger the upload failure session only. User can define more event types which handled in your test framework, separated by comma. |  |
 | SE_UPLOAD_FAILURE_SESSION_ONLY | false | When true, only recording of sessions that are not exited normally (session timed out, or custom events were fired by the client match with failure events defined) |  |
 | SE_VIDEO_EVENT_DRIVEN | true | Backend of video recorder and uploader will subscribe to Grid Event Bus for session event lifecycle for processing instead of traditional polling Node session capabilities via /status endpoint. |  |
+| SE_PLAIN_LOGS | true | Use plain log lines | --plain-logs |
diff --git a/EventBus/start-selenium-grid-eventbus.sh b/EventBus/start-selenium-grid-eventbus.sh
@@ -50,6 +50,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/Hub/start-selenium-grid-hub.sh b/Hub/start-selenium-grid-hub.sh
@@ -52,6 +52,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/NodeBase/start-selenium-node.sh b/NodeBase/start-selenium-node.sh
@@ -104,6 +104,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/NodeDocker/start-selenium-grid-docker.sh b/NodeDocker/start-selenium-grid-docker.sh
@@ -60,6 +60,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/NodeKubernetes/start-selenium-grid-kubernetes.sh b/NodeKubernetes/start-selenium-grid-kubernetes.sh
@@ -60,6 +60,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/Router/start-selenium-grid-router.sh b/Router/start-selenium-grid-router.sh
@@ -85,6 +85,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/SessionQueue/start-selenium-grid-session-queue.sh b/SessionQueue/start-selenium-grid-session-queue.sh
@@ -50,6 +50,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/Sessions/start-selenium-grid-sessions.sh b/Sessions/start-selenium-grid-sessions.sh
@@ -63,6 +63,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/Standalone/start-selenium-standalone.sh b/Standalone/start-selenium-standalone.sh
@@ -95,6 +95,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/StandaloneDocker/start-selenium-grid-docker.sh b/StandaloneDocker/start-selenium-grid-docker.sh
@@ -65,6 +65,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/StandaloneKubernetes/start-selenium-grid-kubernetes.sh b/StandaloneKubernetes/start-selenium-grid-kubernetes.sh
@@ -77,6 +77,10 @@ if [ ! -z "$SE_STRUCTURED_LOGS" ]; then
   append_se_opts "--structured-logs" "${SE_STRUCTURED_LOGS}"
 fi
 
+if [ ! -z "$SE_PLAIN_LOGS" ]; then
+  append_se_opts "--plain-logs" "${SE_PLAIN_LOGS}"
+fi
+
 if [ ! -z "$SE_EXTERNAL_URL" ]; then
   append_se_opts "--external-url" "${SE_EXTERNAL_URL}"
 fi
diff --git a/charts/selenium-grid/CONFIGURATION.md b/charts/selenium-grid/CONFIGURATION.md
@@ -44,6 +44,7 @@ A Helm chart for creating a Selenium Grid Server in Kubernetes
 | global.seleniumGrid.stdoutProbeLog | bool | `false` | Probe logs output can be retrieved using `kubectl logs`. Noted: this will not work if shareProcessNamespace is enabled |
 | global.seleniumGrid.revisionHistoryLimit | int | `10` | Specify how many old ReplicaSets for this Deployment you want to retain. The rest will be garbage-collected in the background. |
 | global.seleniumGrid.structuredLogs | bool | `false` | Whether to enable structured logging |
+| global.seleniumGrid.plainLogs | bool | `true` | Whether to enable plain logging (both structured and plain can be enabled at the same time, so disable one if only prefer another) |
 | global.seleniumGrid.httpLogs | bool | `false` | Enable http logging. Tracing should be enabled to log http logs. |
 | global.seleniumGrid.updateStrategy.type | string | `"Recreate"` | Specify update strategy for all components, can be overridden individually |
 | global.seleniumGrid.updateStrategy.rollingUpdate | object | `{"maxSurge":1,"maxUnavailable":0}` | Specify for strategy RollingUpdate |
diff --git a/charts/selenium-grid/templates/logging-configmap.yaml b/charts/selenium-grid/templates/logging-configmap.yaml
@@ -11,6 +11,7 @@ metadata:
 data:
   SE_LOG_LEVEL: {{ default "INFO" .Values.global.seleniumGrid.logLevel | quote }}
   SE_STRUCTURED_LOGS: {{ default false .Values.global.seleniumGrid.structuredLogs | quote }}
+  SE_PLAIN_LOGS: {{ default true .Values.global.seleniumGrid.plainLogs | quote }}
   SE_HTTP_LOGS: {{ default false .Values.global.seleniumGrid.httpLogs | quote }}
   SE_ENABLE_TRACING: {{ eq (include "seleniumGrid.enableTracing" $) "true" | ternary "true" "false" | quote }}
 {{- if (eq (include "seleniumGrid.enableTracing" .) "true") }}
diff --git a/charts/selenium-grid/values.yaml b/charts/selenium-grid/values.yaml
@@ -32,6 +32,8 @@ global:
     revisionHistoryLimit: 10
     # -- Whether to enable structured logging
     structuredLogs: false
+    # -- Whether to enable plain logging (both structured and plain can be enabled at the same time, so disable one if only prefer another)
+    plainLogs: true
     # -- Enable http logging. Tracing should be enabled to log http logs.
     httpLogs: false
     updateStrategy:
diff --git a/scripts/generate_list_env_vars/description.yaml b/scripts/generate_list_env_vars/description.yaml
@@ -539,3 +539,6 @@
     Bus for session event lifecycle for processing instead of traditional polling
     Node session capabilities via /status endpoint.
   cli: ''
+- name: SE_PLAIN_LOGS
+  description: Use plain log lines
+  cli: --plain-logs
diff --git a/scripts/generate_list_env_vars/value.yaml b/scripts/generate_list_env_vars/value.yaml
@@ -180,6 +180,8 @@
   default: selenium-router
 - name: SE_OTEL_TRACES_EXPORTER
   default: otlp
+- name: SE_PLAIN_LOGS
+  default: 'true'
 - name: SE_PRESET
   default: -preset ultrafast
 - name: SE_RCLONE_
