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获取node信息1 R. I+ {! R1 y# z, u
[root@k8s-master ~]# kubectl get nodes 2 O4 _7 x8 P4 N5 [/ g F! T% E! X' b
NAME STATUS ROLES AGE VERSION+ ?- F' ~- {3 ?' }
k8s-master Ready control-plane 21h v1.31.4
6 O7 o8 S$ G' D: Z1 n9 I: dk8s-node1 Ready <none> 21h v1.31.4; w- L, V/ J/ Q- S% g, ^3 X
k8s-node2 Ready <none> 21h v1.31.4
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修改标签：
7 s, }( l* { l4 j7 m+ k& {# \0 s[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=node1
0 I# _/ b, ]/ R. l% u! mnode/k8s-node1 labeled9 P! f; c ]7 P# g
' c/ l3 M0 Q8 [) u( E( s# m9 w查看标签：( u* D8 R% e' L6 F
[root@k8s-master ~]# kubectl get nodes
/ I6 d# X2 M* J# W* b" k. pNAME STATUS ROLES AGE VERSION
7 v3 @3 j3 B. Z! Z4 ^0 @; yk8s-master Ready control-plane 21h v1.31.4
# l. r% f" e p2 P/ Q$ vk8s-node1 Ready node1 21h v1.31.44 c: r @! O. x# J! X0 p
k8s-node2 Ready <none> 21h v1.31.47 h3 T9 S: j8 j$ V
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重新修改的标签名称：2 W$ a8 V5 N/ k; z$ y
[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=worker1
, z3 N) v. r1 {7 xerror: 'kubernetes.io/role' already has a value (node1), and --overwrite is false; R% k0 T$ l* X; v4 g3 v
# q- h: W U& q7 O* x
需要使用--overwrite写入 q' ^& n: ?, n0 _
[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=worker1 --overwrite
( V( H% y% `6 ?: x1 Vnode/k8s-node1 labeled
; B" U. Y! R" }, d3 M
- } d' q: S% P: b$ \6 l: f再次查看标签:; |# ?9 @! ]4 k7 O8 s
[root@k8s-master ~]# kubectl get nodes
. X4 H, I3 k6 g' i, J: l6 r+ yNAME STATUS ROLES AGE VERSION
8 j$ G& C1 C2 T' P, [1 m( Kk8s-master Ready control-plane 21h v1.31.4
# J3 C. _; Z; f: N) M! H0 ?5 mk8s-node1 Ready worker1 21h v1.31.4 `3 D6 \& S( Q& t( h" n* ~
k8s-node2 Ready <none> 21h v1.31.41 H0 b' }1 \4 I2 O
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发表于 2025-1-5 07:59:53