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获取node信息1 R0 H2 [0 x" G1 L% g6 s0 P& a
[root@k8s-master ~]# kubectl get nodes
- t3 H3 }* F k+ RNAME STATUS ROLES AGE VERSION+ O+ u5 R; z6 L9 @8 U. P: L: V
k8s-master Ready control-plane 21h v1.31.4% U7 @4 Q7 p, n
k8s-node1 Ready <none> 21h v1.31.47 C* X& [$ s) Y I) W
k8s-node2 Ready <none> 21h v1.31.47 F3 i5 n$ X E
# u4 v; w4 z2 w$ A修改标签：
0 G) @% o$ e4 e5 X# [. e[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=node1
! r9 U( }+ y+ y" u* ~node/k8s-node1 labeled# \* K2 I. S+ y$ Z; k) g$ p2 |/ A
' R- y) i% L: g1 x3 I1 O+ C, g查看标签：
% U, k3 p$ _- r[root@k8s-master ~]# kubectl get nodes
- r9 n% j3 R! cNAME STATUS ROLES AGE VERSION, x7 W. }2 t. D! u# j
k8s-master Ready control-plane 21h v1.31.4! x9 Y( e1 H& T5 F
k8s-node1 Ready node1 21h v1.31.42 q) P4 {% x, V8 H6 ]' z
k8s-node2 Ready <none> 21h v1.31.4! w( E% I5 A# e- [7 m
. E+ p5 t, y" q9 a0 I重新修改的标签名称：7 h) @( T$ r& n
[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=worker1
$ u8 B$ X" o% e- X" Perror: 'kubernetes.io/role' already has a value (node1), and --overwrite is false
# \" \8 [( t8 Z/ e5 J' A
# h. u' t( u& z0 y$ m* p& Z; j2 P8 |需要使用--overwrite写入
/ u. o6 l z: P0 ]& U[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=worker1 --overwrite( k; Z' a4 Q& C8 }3 p: }4 e, ?
node/k8s-node1 labeled# i3 q) u/ Q9 D5 i
4 x6 K1 T3 M; |+ h再次查看标签:
% r9 g+ O- B9 \: }[root@k8s-master ~]# kubectl get nodes / f" t0 `7 w1 J' Y* {
NAME STATUS ROLES AGE VERSION7 U9 F [3 Y/ S
k8s-master Ready control-plane 21h v1.31.4; N7 J& {% \; H/ b4 X$ U4 ~
k8s-node1 Ready worker1 21h v1.31.4
; S9 y+ z4 w8 lk8s-node2 Ready <none> 21h v1.31.43 K3 I' x# |! h. c% q5 S8 O' U Z
$ z" [1 o( j1 l! H8 C
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发表于 2025-1-5 07:59:53