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chore: filter K8s debugging script to LangChain resources only #467

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Merged
merged 2 commits into from
Oct 1, 2025
Merged

chore: filter K8s debugging script to LangChain resources only #467

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72897ac
chore: filter K8s debugging script to LangChain resources only
Sep 30, 2025
746f23f
feat: add configurable filtering to K8s debugging script
Oct 1, 2025
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32 changes: 20 additions & 12 deletions charts/langsmith/scripts/get_k8s_debugging_info.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -20,35 +20,43 @@ echo "Starting to pull debugging info. Creating directory $DIR..."
mkdir -p "$DIR"

echo "Pulling summary of resources..."
kubectl get all -n "$NS" -o wide > "$DIR/resources_summary.txt"
kubectl get all -n "$NS" -o wide | grep -E '^(NAME|langsmith-|lg-|toolbox)' > "$DIR/resources_summary.txt"

echo "Pulling details of all resources..."
kubectl get all -n "$NS" -o yaml > "$DIR/resources_details.yaml"
kubectl get all -n "$NS" -o yaml > "$DIR/resources_details_all.yaml"
# Filter for langchain-related resources only
grep -E '^(kind:|metadata:| name: (langsmith-|lg-|toolbox))' "$DIR/resources_details_all.yaml" > "$DIR/resources_details.yaml" || cp "$DIR/resources_details_all.yaml" "$DIR/resources_details.yaml"
rm "$DIR/resources_details_all.yaml"

echo "Pulling kubernetes events..."
kubectl get events -n "$NS" --sort-by=.lastTimestamp > "$DIR/events.txt"

echo "Pulling resource usage for all pods..."
kubectl top pods -n "$NS" --containers > "$DIR/pod-resource-usage.txt"
echo "Pulling resource usage for langchain-related pods..."
kubectl top pods -n "$NS" --containers | grep -E '^(NAME|langsmith-|lg-|toolbox)' > "$DIR/pod-resource-usage.txt"

echo "Pulling container logs for all pods. Also pulling previous logs from restarted containers..."
echo "Pulling container logs for langchain-related pods only. Also pulling previous logs from restarted containers..."
mkdir -p "$DIR/logs"
PODS=$(kubectl get pods -n "$NS" -o jsonpath='{.items[*].metadata.name}')

# Filter for langchain-related pods based on naming conventions
PODS=$(kubectl get pods -n "$NS" -o jsonpath='{.items[*].metadata.name}' | tr ' ' '\n' | grep -E '^(langsmith-|lg-|toolbox)' | tr '\n' ' ')

for POD in $PODS; do
CONTAINERS=$(kubectl get pod "$POD" -n "$NS" -o jsonpath='{.spec.containers[*].name}')
for CONTAINER in $CONTAINERS; do
echo "Pulling current container logs (last 24h) for $POD/$CONTAINER..."
kubectl logs -n "$NS" "$POD" -c "$CONTAINER" --since=24h > "$DIR/logs/${POD}_${CONTAINER}_current.log" 2>/dev/null

RESTART_COUNT=$(kubectl get pod "$POD" -n "$NS" -o json | jq ".status.containerStatuses[] | select(.name==\"$CONTAINER\") | .restartCount // 0")
if [[ "$RESTART_COUNT" -gt 0 ]]; then
echo " $POD/$CONTAINER restarted ($RESTART_COUNT times) — grabbing previous logs..."
RESTART_COUNT=$(kubectl get pod "$POD" -n "$NS" -o jsonpath='{.status.containerStatuses[?(@.name=="'$CONTAINER'")].restartCount}')
if [ "$RESTART_COUNT" -gt 0 ]; then
echo "Pulling previous container logs for $POD/$CONTAINER..."
kubectl logs -n "$NS" "$POD" -c "$CONTAINER" --previous > "$DIR/logs/${POD}_${CONTAINER}_previous.log" 2>/dev/null
fi
done
done

echo "Compressing directory..."
tar -czf "${DIR}.tar.gz" -C "$(dirname "$DIR")" "$(basename "$DIR")"
echo "Bundle written to ${DIR}.tar.gz"
echo "Compressing debugging info..."
tar -czf "$DIR.tar.gz" -C /tmp "$(basename "$DIR")"

echo "Debugging info saved to $DIR.tar.gz"
echo "Directory contents:"
ls -la "$DIR"