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获取node信息
4 Z. [/ w. N/ |3 O) O8 P( X4 P[root@k8s-master ~]# kubectl get nodes / _, t: P3 j" j) e1 n7 G
NAME STATUS ROLES AGE VERSION, I6 z& j8 ~6 j
k8s-master Ready control-plane 21h v1.31.41 J$ J. B4 T0 h0 H1 a
k8s-node1 Ready <none> 21h v1.31.49 v5 Q! w1 i T3 }4 G2 ~
k8s-node2 Ready <none> 21h v1.31.44 ], Y. L9 k. H( V. c
4 ]" Y2 o V. @' J9 R" t) u修改标签：+ I3 l6 K* _5 a; R+ V o, A
[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=node1
$ M, s2 o; p w/ p0 G4 G! Rnode/k8s-node1 labeled
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查看标签：. N. g: p8 p0 ~9 P2 Q- Y
[root@k8s-master ~]# kubectl get nodes $ Z$ A5 [* ^6 s% O. [9 w
NAME STATUS ROLES AGE VERSION
7 V/ H( t) T, w7 Ok8s-master Ready control-plane 21h v1.31.41 N/ T9 k2 S% I4 @& j+ T! E
k8s-node1 Ready node1 21h v1.31.4+ E4 X% k$ g5 U3 {1 e
k8s-node2 Ready <none> 21h v1.31.4
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c, G# B7 }5 w2 x2 m6 l重新修改的标签名称：- i; y; E/ f# J7 t, B! {4 r
[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=worker1) Y; B* P6 {( f
error: 'kubernetes.io/role' already has a value (node1), and --overwrite is false7 @! C' N4 m2 p- j+ N& v+ T) O
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需要使用--overwrite写入
7 N2 ]% A' [2 e. u9 h7 O4 F[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=worker1 --overwrite
/ v" U. N# ~: {) Q# S0 q; G% `node/k8s-node1 labeled
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再次查看标签:; a; n) {2 s( J c* a& x
[root@k8s-master ~]# kubectl get nodes
1 d* K: F" n0 e+ P# l/ ONAME STATUS ROLES AGE VERSION" d6 ~4 K' k( Q7 K Y0 c- Y7 N/ ?
k8s-master Ready control-plane 21h v1.31.4, |8 W0 N5 z; e
k8s-node1 Ready worker1 21h v1.31.41 a4 [' P- N3 t, f/ V. _6 f; }& \) r
k8s-node2 Ready <none> 21h v1.31.44 r# {' }+ A7 I& l% R
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发表于 2025-1-5 07:59:53