46 lines
1.6 KiB
Plaintext
46 lines
1.6 KiB
Plaintext
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#!/bin/bash
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# This script iterates through all nodes in a Kubernetes cluster and, for each node,
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# provides a detailed description and lists all the pods running on it.
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# Set color codes for better readability
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BLUE='\033[0;34m'
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GREEN='\033[0;32m'
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NC='\033[0m' # No Color
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echo -e "${BLUE}Fetching list of all nodes in the cluster...${NC}"
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# Get a list of all node names, skipping the header row.
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# 'kubectl get nodes --no-headers' gets the node list without the header.
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# 'awk '{print $1}'' prints only the first column (the node names).
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NODE_LIST=$(kubectl get nodes --no-headers | awk '{print $1}')
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# Check if any nodes were found to prevent errors.
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if [ -z "$NODE_LIST" ]; then
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echo "Error: No nodes found in the cluster."
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exit 1
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fi
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echo -e "${GREEN}Found nodes. Starting inspection...${NC}"
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# Loop through each node name in the list.
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for node in $NODE_LIST; do
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# Print a clear separator for each node's output.
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echo -e "\n${BLUE}======================================================================${NC}"
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echo -e "${GREEN}Processing Node: $node${NC}"
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echo -e "${BLUE}======================================================================${NC}\n"
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# --- Command 1: Describe Node ---
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echo -e "${GREEN}### Describing node details for '$node'...${NC}"
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kubectl describe node "$node"
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echo "" # Add a newline for spacing
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# --- Command 2: Get Pods on Node ---
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echo -e "${GREEN}### Listing all pods on '$node'...${NC}"
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kubectl get pods --all-namespaces --field-selector spec.nodeName="$node"
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echo ""
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done
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echo -e "${BLUE}Script finished processing all nodes.${NC}"
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