Node 相关

表格输出节点 IP 相关属性

命令

kubectl get no -o=custom-columns=NAME:.metadata.name,INTERNAL-IP:.status.addresses[0].address,EXTERNAL-IP:.status.addresses[1].address,CIDR:.spec.podCIDR

输出效果

NAME                             INTERNAL-IP      EXTERNAL-IP      CIDR
10.10.12.77                      162.14.64.201    10.10.12.77      172.16.20.0/24
10.10.13.33                      10.10.13.33      118.25.219.109   172.16.25.0/24
10.10.7.29                       10.10.7.29       10.10.7.29       172.16.23.0/24
eklet-subnet-8a77e4wf-5wpifi8w   169.254.128.10                    <none>
eklet-subnet-ahugkjhr-4fvrtpc4   169.254.128.10                    <none>

表格输出各节点总可用资源 (Allocatable)

命令

kubectl get no -o=custom-columns="NODE:.metadata.name,ALLOCATABLE CPU:.status.allocatable.cpu,ALLOCATABLE MEMORY:.status.allocatable.memory"

输出效果

NODE       ALLOCATABLE CPU   ALLOCATABLE MEMORY
10.0.0.2   3920m             7051692Ki
10.0.0.3   3920m             7051816Ki

输出各节点已分配资源的情况

所有种类的资源已分配情况概览

命令

kubectl get nodes --no-headers | awk '{print $1}' | xargs -I {} sh -c "echo {} ; kubectl describe node {} | grep Allocated -A 5 | grep -ve Event -ve Allocated -ve percent -ve --;"

输出效果

10.0.0.2
  Resource           Requests          Limits
  cpu                3040m (77%)       19800m (505%)
  memory             4843402752 (67%)  15054901888 (208%)
10.0.0.3
  Resource           Requests   Limits
  cpu                300m (7%)  1 (25%)
  memory             250M (3%)  2G (27%)

表格输出 cpu 已分配情况

命令

kubectl get nodes --no-headers | grep -v eklet- | awk '{print $1}' | xargs -I {} sh -c 'node="{}"; cpu=$(kubectl describe node "$node" | grep "Allocated resources:" -A5 | grep -ve Event -ve Allocated -ve percent -ve -- | grep cpu | awk '\''{print $2$3}'\''); printf "%s\t%s\n" "$node" "$cpu"'

输出效果

10.10.12.77     1392m(72%)
10.10.13.33     163m(8%)
10.10.7.29      1268m(65%)

表格输出 memory 已分配情况

命令

kubectl get nodes --no-headers | grep -v eklet- | awk '{print $1}' | xargs -I {} sh -c 'node="{}"; memory=$(kubectl describe node "$node" | grep "Allocated resources:" -A6 | grep -ve Event -ve Allocated -ve percent -ve -- | grep memory | awk '\''{print $2$3}'\''); printf "%s\t%s\n" "$node" "$memory"'

输出效果

10.10.12.77     1296Mi(51%)
10.10.13.33     129Mi(2%)
10.10.7.29      1532964Ki(58%)

表格输出节点可用区分布情况

命令

kubectl get node -o custom-columns=NAME:.metadata.name,ZONE:".metadata.labels.topology\.kubernetes\.io/zone"

输出效果

10.10.12.77     160002
10.10.13.33     160002
10.10.7.29      160001