advance setup

01_Basic_Setup/justfile

@@ -157,39 +157,65 @@ stop:
         echo "$(($(date +%s) - START_TIME))s"
     }
     nodenames=$(kubectl get nodes -o=jsonpath="{.items[*]['metadata.name']}")
-    # for node in ${nodenames}; do
+    for node in ${nodenames}; do
-    #     kubectl drain "${node}" --ignore-daemonsets --delete-emptydir-data --force --disable-eviction --grace-period=60 --timeout=180s 2>&1 || true
+        kubectl drain "${node}" --ignore-daemonsets --delete-emptydir-data --force --disable-eviction --grace-period=60 --timeout=180s 2>&1 || true
-    #     kubectl cordon "${node}"
+        kubectl cordon "${node}"
-    #     echo "Node ${node} stopped."
+        echo "Node ${node} stopped."
-    # done
+    done
-    # echo "Drain complete. Nodes are cordoned and drained."
+    echo "Drain complete. Nodes are cordoned and drained."
 
-    # if helm status longhorn -n ${LONGHORN_NAMESPACE} &>/dev/null; then
+    if helm status longhorn -n ${LONGHORN_NAMESPACE} &>/dev/null; then
-    #     echo "[$(elapsed)] Waiting for Longhorn volumes to be detached..."
+        echo "[$(elapsed)] Waiting for Longhorn volumes to be detached..."
-    #     TIMEOUT=90
+        TIMEOUT=90
-    #     ELAPSED=0
+        ELAPSED=0
-    #     while [ $ELAPSED -lt $TIMEOUT ]; do
+        while [ $ELAPSED -lt $TIMEOUT ]; do
 
-    #         ATTACHED=$(kubectl get volumes.longhorn.io -n ${LONGHORN_NAMESPACE} -o json 2>/dev/null | \
+            ATTACHED=$(kubectl get volumes.longhorn.io -n ${LONGHORN_NAMESPACE} -o json 2>/dev/null | \
-    #             jq -r '.items[] | select(.status.state == "attached") | .metadata.name' 2>/dev/null || true)
+                jq -r '.items[] | select(.status.state == "attached") | .metadata.name' 2>/dev/null || true)
 
-    #         if [ -z "$ATTACHED" ]; then
+            if [ -z "$ATTACHED" ]; then
-    #             echo "[$(elapsed)] ✓ All Longhorn volumes detached successfully"
+                echo "[$(elapsed)] ✓ All Longhorn volumes detached successfully"
-    #             break
+                break
-    #         fi
+            fi
 
-    #         ATTACHED_COUNT=$(echo "$ATTACHED" | grep -c . || echo 0)
+            ATTACHED_COUNT=$(echo "$ATTACHED" | grep -c . || echo 0)
-    #         echo "  Still waiting for $ATTACHED_COUNT volume(s) to detach..."
+            echo "  Still waiting for $ATTACHED_COUNT volume(s) to detach..."
-    #         sleep 2
+            sleep 2
-    #         ELAPSED=$((ELAPSED + 2))
+            ELAPSED=$((ELAPSED + 2))
-    #     done
+        done
-    #     if [ $ELAPSED -ge $TIMEOUT ]; then
+        if [ $ELAPSED -ge $TIMEOUT ]; then
-    #         echo "[$(elapsed)] ⚠ Warning: Timeout waiting for volumes to detach"
+            echo "[$(elapsed)] ⚠ Warning: Timeout waiting for volumes to detach"
-    #     fi
+        fi
-    # fi
+    fi
 
     for node in ${nodenames}; do
         echo "[$(elapsed)] Stopping and disabling k3s service..."
         ssh "${node}" "sudo systemctl stop k3s 2>/dev/null || true"
         ssh "${node}" "sudo systemctl disable k3s 2>/dev/null || true"
+    done
+
+start:
+    #!/bin/bash
+    set -euo pipefail
+    
+    is_schedulable() {
+        node_name="$1"
+        ! kubectl get node "$node_name" -o jsonpath='{.spec.unschedulable}' 2>/dev/null | grep -q "true"
+    }
+    
+    nodenames=$(kubectl get nodes -o=jsonpath="{.items[*]['metadata.name']}")
+
+
+    for node in ${nodenames}; do
+        echo "Starting k3s service on ${node}..."
+
+        if is_schedulable "$node"; then
+            echo "✓ Node $node is already schedulable"
+            exit 0
+        fi
+
+        echo "Uncordoning node $node..."
+        kubectl uncordon "$node" 2>&1 || true
+
+        echo "Wait for every node to become Ready..."
     done