feat(chart): Log Node preStop exec to console

Signed-off-by: Viet Nguyen Duc <nguyenducviet4496@gmail.com>

Author: VietND96

.github/workflows/helm-chart-test.yml

@@ -1,4 +1,4 @@
-name: Lint and Test Helm Charts
+name: Test Helm Charts
 
 on:
   push:
@@ -14,7 +14,7 @@ permissions:
 
 jobs:
   build-and-test:
-    name: Test Helm charts
+    name: Build & test
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false

charts/selenium-grid/configs/node/nodePreStop.sh

@@ -8,7 +8,13 @@ fi
 
 if curl -sfk ${SE_SERVER_PROTOCOL}://127.0.0.1:${SE_NODE_PORT}/status; then
     curl -k -X POST ${SE_SERVER_PROTOCOL}://127.0.0.1:${SE_NODE_PORT}/se/grid/node/drain --header "${HEADERS}"
-    while curl -sfk ${SE_SERVER_PROTOCOL}://127.0.0.1:${SE_NODE_PORT}/status; do sleep 1; done
+    while curl -sfk ${SE_SERVER_PROTOCOL}://127.0.0.1:${SE_NODE_PORT}/status -o /tmp/preStopOutput;
+    do
+      echo "Node preStop is waiting for current session to be finished if any.\nNode details: \
+        .value.message: $(jq -r '.value.message' /tmp/preStopOutput || "unknown"), \
+        .value.node.availability: $(jq -r '.value.node.availability' /tmp/preStopOutput || "unknown")"
+      sleep 1;
+    done
 else
     echo "Node is already drained. Shutting down gracefully!"
 fi

charts/selenium-grid/templates/_helpers.tpl

@@ -668,7 +668,7 @@ Define preStop hook for the node pod. Node preStop script is stored in a ConfigM
 {{- define "seleniumGrid.node.deregisterLifecycle" -}}
 preStop:
   exec:
-    command: ["bash", "-c", "{{ $.Values.nodeConfigMap.extraScriptsDirectory }}/nodePreStop.sh"]
+    command: ["bash", "-c", "{{ $.Values.nodeConfigMap.extraScriptsDirectory }}/nodePreStop.sh >> /proc/1/fd/1"]
 {{- end -}}
 
 {{/*