DevOps: What is the kubectl describe?

1# Pod
2kubectl describe pod pod_name
3kubectl describe pod pod_name -n production
4
5# Node
6kubectl describe node node_name
7kubectl describe node node_name | grep -A 10 "Conditions"
8
9# Service
10kubectl describe svc service_name
11kubectl describe svc service_name -n production
12
13# Deployment
14kubectl describe deployment deployment_name
15kubectl describe deployment deployment_name -n production
16
17# Events (most useful for debugging!)
18kubectl get events --sort-by=.metadata.creationTimestamp
19kubectl get events -n production --sort-by=.metadata.creationTimestamp
20kubectl get events --field-selector reason=FailedScheduling
21
22# Debugging
23kubectl describe pod pod_name | grep -A 5 "State:|Last State:"
24kubectl describe pod pod_name | grep -A 10 "Events:"
25kubectl describe pod pod_name | grep -A 3 "Containers:"
26kubectl describe pod pod_name | grep -A 5 "Volumes:"
27kubectl describe pod pod_name | grep -A 3 "Node:"
28kubectl describe pod pod_name | grep -A 3 "Node Selectors:"
29kubectl describe pod pod_name | grep -A 3 "Tolerations:"
30kubectl describe pod pod_name | grep -A 3 "Conditions:"
31kubectl describe pod pod_name | grep -A 5 "Events:"
32kubectl describe pod pod_name | grep -A 3 "QoS Class:"
33kubectl describe pod pod_name | grep -A 3 "Init Containers:"
34kubectl describe pod pod_name | grep -A 3 "Containers:"
35kubectl describe pod pod_name | grep -A 3 "Volumes:"
36kubectl describe pod pod_name | grep -A 3 "Node:"
37kubectl describe pod pod_name | grep -A 3 "Node Selectors:"
38kubectl describe pod pod_name | grep -A 3 "Tolerations:"
39kubectl describe pod pod_name | grep -A 3 "Conditions:"
40kubectl describe pod pod_name | grep -A 5 "Events:"
41kubectl describe pod pod_name | grep -A 3 "QoS Class:"
42kubectl describe pod pod_name | grep -A 3 "Init Containers:"
43kubectl describe pod pod_name | grep -A 3 "Containers:"
44kubectl describe pod pod_name | grep -A 3 "Volumes:"
45kubectl describe pod pod_name | grep -A 3 "Node:"
46kubectl describe pod pod_name | grep -A 3 "Node Selectors:"
47kubectl describe pod pod_name | grep -A 3 "Tolerations:"
48kubectl describe pod pod_name | grep -A 3 "Conditions:"
49kubectl describe pod pod_name | grep -A 5 "Events:"
50kubectl describe pod pod_name | grep -A 3 "QoS Class:"
51kubectl describe pod pod_name | grep -A 3 "Init Containers:"
52kubectl describe pod pod_name | grep -A 3 "Containers:"
53kubectl describe pod pod_name | grep -A 3 "Volumes:"
54kubectl describe pod pod_name | grep -A 3 "Node:"
55kubectl describe pod pod_name | grep -A 3 "Node Selectors:"
56kubectl describe pod pod_name | grep -A 3 "Tolerations:"
57kubectl describe pod pod_name | grep -A 3 "Conditions:"
58kubectl describe pod pod_name | grep -A 5 "Events:"
59kubectl describe pod pod_name | grep -A 3 "QoS Class:"