kubectl-helper is a set of scripts that encapsulate common kubectl commands and is used to simplify common operations of kubectl commands.
[root@localhost ~]# wget https://github.com/bianyun/kubectl-helper/releases/download/1.1.0/kubectl-helper_v1.1.0.tar.gz
[root@localhost ~]# tar zxf kubectl-helper_v1.1.0.tar.gz
[root@localhost ~]# cd kubectl-helper
[root@localhost kubectl-helper]# ls -l
total 36
drwxr-xr-x 2 root root 70 Nov 6 11:48 _base
-rwxr--r-- 1 root root 1908 Nov 7 16:17 batch_dump_describe_of_k8s_resources.sh
-rwxr--r-- 1 root root 2663 Nov 7 16:17 batch_dump_logs_of_k8s_resources.sh
-rwxr--r-- 1 root root 2627 Nov 7 16:17 describe_k8s_resource.sh
-rwxr--r-- 1 root root 2237 Nov 7 16:17 enter_into_k8s_pod.sh
-rwxr--r-- 1 root root 2495 Nov 7 16:17 execute_cmd_in_k8s_pod.sh
-rwxr--r-- 1 root root 4785 Nov 7 16:17 restart_k8s_resources.sh
-rwxr--r-- 1 root root 2563 Nov 7 16:17 setup_kubectl_aliases.sh
-rwxr--r-- 1 root root 3120 Nov 7 16:17 view_logs_of_k8s_resource.sh
[root@localhost kubectl-helper]#
[root@localhost kubectl-helper]# ./setup_kubectl_aliases.sh init
=== [WARN] Please log out and log in again for the alias settings to take effect.
[root@localhost kubectl-helper]#[root@localhost kubectl-helper]# ./setup_kubectl_aliases.sh list
k='kubectl'
ktn='kubectl top node'
ktp='kubectl top pod'
ktpa='kubectl top pod -A'
ktpks='kubectl top pod -n kube-system'
ktpu='kubectl top pod -n uds'
kgns='kubectl get ns'
kgn='kubectl get node'
kgnw='kubectl get node -o wide'
kgpv='kubectl get pv'
kgpvw='kubectl get pv -o wide'
kgpvc='kubectl get pvc'
kgpvca='kubectl get pvc -A'
kgpvcks='kubectl get pvc -n kube-system'
kgpvcu='kubectl get pvc -n uds'
kgpvcw='kubectl get pvc -o wide'
kgpvcwa='kubectl get pvc -o wide -A'
kgpvcwks='kubectl get pvc -n kube-system'
kgpvcwu='kubectl get pvc -n uds'
kgds='kubectl get daemonset'
kgdsa='kubectl get daemonset -A'
kgdsks='kubectl get daemonset -n kube-system'
kgdsu='kubectl get daemonset -n uds'
kgdsw='kubectl get daemonset -o wide'
kgdswa='kubectl get daemonset -o wide -A'
kgdswks='kubectl get daemonset -o wide -n kube-system'
kgdswu='kubectl get daemonset -o wide -n uds'
kgsts='kubectl get statefulset'
kgstsa='kubectl get statefulset -A'
kgstsks='kubectl get statefulset -n kube-system'
kgstsu='kubectl get statefulset -n uds'
kgstsw='kubectl get statefulset -o wide'
kgstswa='kubectl get statefulset -o wide -A'
kgstswks='kubectl get statefulset -o wide -n kube-system'
kgstswu='kubectl get statefulset -o wide -n uds'
kgrs='kubectl get replicaset'
kgrsa='kubectl get replicaset -A'
kgrsks='kubectl get replicaset -n kube-system'
kgrsu='kubectl get replicaset -n uds'
kgrsw='kubectl get replicaset -o wide'
kgrswa='kubectl get replicaset -o wide -A'
kgrswks='kubectl get replicaset -o wide -n kube-system'
kgrswu='kubectl get replicaset -o wide -n uds'
kgp='kubectl get pod'
kgpa='kubectl get pod -A'
kgpks='kubectl get pod -n kube-system'
kgpu='kubectl get pod -n uds'
kgpw='kubectl get pod -o wide'
kgpwa='kubectl get pod -o wide -A'
kgpwks='kubectl get pod -o wide -n kube-system'
kgpwu='kubectl get pod -o wide -n uds'
kgep='kubectl get endpoints'
kgepa='kubectl get endpoints -A'
kgepks='kubectl get endpoints -n kube-system'
kgepu='kubectl get endpoints -n uds'
kgev='kubectl get event'
kgeva='kubectl get event -A'
kgevks='kubectl get event -n kube-system'
kgevu='kubectl get event -n uds'
kgevw='kubectl get event -o wide'
kgevwa='kubectl get event -o wide -A'
kgevwks='kubectl get event -o wide -n kube-system'
kgevwu='kubectl get event -o wide -n uds'
kgs='kubectl get svc'
kgsa='kubectl get svc -A'
kgsks='kubectl get svc -n kube-system'
kgsu='kubectl get svc -n uds'
kgsw='kubectl get svc -o wide'
kgswa='kubectl get svc -o wide -A'
kgswks='kubectl get svc -o wide -n kube-system'
kgswu='kubectl get svc -o wide -n uds'
kgd='kubectl get deploy'
kgda='kubectl get deploy -A'
kgdks='kubectl get deploy -n kube-system'
kgdu='kubectl get deploy -n uds'
kgdw='kubectl get deploy -o wide'
kgdwa='kubectl get deploy -o wide -A'
kgdwks='kubectl get deploy -o wide -n kube-system'
kgdwu='kubectl get deploy -o wide -n uds'
[root@localhost kubectl-helper]#[root@localhost kubectl-helper]# ktn
NAME CPU(cores) CPU% MEMORY(bytes) MEMORY%
10.1.76.1 823m 20% 9070Mi 68%
10.1.76.2 587m 14% 6354Mi 69%
10.1.76.3 423m 10% 3255Mi 35%
[root@localhost kubectl-helper]# kgn
NAME STATUS ROLES AGE VERSION
10.1.76.1 Ready master 29d v1.19.14
10.1.76.2 Ready master 29d v1.19.14
10.1.76.3 Ready node 29d v1.19.14
[root@localhost kubectl-helper]# kgns
NAME STATUS AGE
default Active 29d
kube-node-lease Active 29d
kube-public Active 29d
kube-system Active 29d
uds Active 29d
[root@localhost kubectl-helper]# kgp
NAME READY STATUS RESTARTS AGE
docker-registry-647dfbd4f8-4rjj4 1/1 Running 0 16h
docker-registry-ui-86b768fc47-bdp7l 1/1 Running 0 16h
nacos-675ff5894-4kb9c 1/1 Running 0 16h
redis-7756bbdcb4-864lb 1/1 Running 0 16h
uds-es-master-0 1/1 Running 0 16h
uds-es-master-1 1/1 Running 0 16h
uds-es-master-2 1/1 Running 0 16h
[root@localhost kubectl-helper]# kgpw
NAME READY STATUS RESTARTS AGE IP NODE
docker-registry-647dfbd4f8-4rjj4 1/1 Running 0 16h 172.20.2.34 10.1.76.3
docker-registry-ui-86b768fc47-bdp7l 1/1 Running 0 16h 172.20.1.23 10.1.76.2
nacos-675ff5894-4kb9c 1/1 Running 0 16h 172.20.1.24 10.1.76.2
redis-7756bbdcb4-864lb 1/1 Running 0 16h 172.20.1.25 10.1.76.2
uds-es-master-0 1/1 Running 0 16h 172.20.0.35 10.1.76.1
uds-es-master-1 1/1 Running 0 16h 172.20.2.35 10.1.76.3
uds-es-master-2 1/1 Running 0 16h 172.20.1.26 10.1.76.2
[root@localhost kubectl-helper]# kgs
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
docker-registry NodePort 10.68.58.161 <none> 15000:15000/TCP 29d
docker-registry-ui-svc NodePort 10.68.88.110 <none> 15080:15080/TCP 29d
kubernetes ClusterIP 10.68.0.1 <none> 443/TCP 29d
nacos-svc NodePort 10.68.27.64 <none> 8848:18848/TCP 29d
redis-svc ClusterIP 10.68.178.213 <none> 6379/TCP 29d
uds-es-master NodePort 10.68.21.188 <none> 9200:30092/TCP,9300:25803/TCP 29d
uds-es-master-headless ClusterIP None <none> 9200/TCP,9300/TCP 29d
[root@localhost kubectl-helper]# kgd
NAME READY UP-TO-DATE AVAILABLE AGE
docker-registry 1/1 1 1 29d
docker-registry-ui 1/1 1 1 29d
nacos 1/1 1 1 29d
redis 1/1 1 1 29d
[root@localhost kubectl-helper]# kgdsa
NAMESPACE NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
kube-system kube-flannel-ds-amd64 3 3 3 3 3 <none> 29d
kube-system node-local-dns 3 3 3 3 3 <none> 29d
[root@localhost kubectl-helper]# kgsts
NAME READY AGE
uds-es-master 3/3 29d
[root@localhost kubectl-helper]# kgrs
NAME DESIRED CURRENT READY AGE
docker-registry-647dfbd4f8 1 1 1 16h
docker-registry-789c879688 0 0 0 29d
docker-registry-ui-7c57784c4f 0 0 0 29d
docker-registry-ui-86b768fc47 1 1 1 16h
nacos-675ff5894 1 1 1 16h
nacos-7d4885f7fb 0 0 0 21h
redis-67b8897c5c 0 0 0 29d
redis-7756bbdcb4 1 1 1 16h
redis-85f4b69747 0 0 0 28d
[root@localhost kubectl-helper]# kgep
NAME ENDPOINTS AGE
docker-registry 172.20.2.34:15000 29d
docker-registry-ui-svc 172.20.1.23:80 29d
kubernetes 10.1.76.1:16443,10.1.76.2:16443 29d
nacos-svc 172.20.1.24:8848 29d
redis-svc 172.20.1.25:6379 29d
uds-es-master 172.20.0.35:9200,172.20.1.26:9200,172.20.2.35:9200 + 3 more... 29d
uds-es-master-headless 172.20.0.35:9200,172.20.1.26:9200,172.20.2.35:9200 + 3 more... 29d
[root@localhost kubectl-helper]# kgpu
NAME READY STATUS RESTARTS AGE
uds-admin-5574975dbd-mx7tr 1/1 Running 0 5h32m
uds-auth-8b67fc4c4-8frkt 1/1 Running 0 5h32m
uds-gateway-7c8c7b5bc4-crnrv 1/1 Running 0 5h32m
uds-gateway-7c8c7b5bc4-m8sx2 1/1 Running 0 5h32m
uds-job-admin-85bcd647f7-knfqb 1/1 Running 0 5h32m
uds-metadata-dccb7ddf9-qx9lh 1/1 Running 0 5h32m
uds-webui-8544cf8fdd-k2t67 1/1 Running 0 5h32m
[root@localhost kubectl-helper]# kgpks
NAME READY STATUS RESTARTS AGE
coredns-766956944f-kdmk6 1/1 Running 0 21h
dashboard-metrics-scraper-7fdfb7dc46-8r7cg 1/1 Running 0 21h
kube-flannel-ds-amd64-8td4j 1/1 Running 0 16h
kube-flannel-ds-amd64-g7l8g 1/1 Running 0 16h
kube-flannel-ds-amd64-qw9nb 1/1 Running 0 16h
kubernetes-dashboard-766f6764d7-r5zld 1/1 Running 0 21h
metrics-server-bddd9b766-8kpbr 1/1 Running 0 21h
node-local-dns-cw5dg 1/1 Running 0 16h
node-local-dns-lk7dg 1/1 Running 0 16h
node-local-dns-pq7jr 1/1 Running 0 16h
[root@localhost kubectl-helper]# kgdu
NAME READY UP-TO-DATE AVAILABLE AGE
uds-admin 1/1 1 1 29d
uds-auth 1/1 1 1 29d
uds-gateway 2/2 2 2 29d
uds-job-admin 1/1 1 1 29d
uds-metadata 1/1 1 1 29d
uds-webui 1/1 1 1 29d
[root@localhost kubectl-helper]# kgdks
NAME READY UP-TO-DATE AVAILABLE AGE
coredns 1/1 1 1 29d
dashboard-metrics-scraper 1/1 1 1 29d
kubernetes-dashboard 1/1 1 1 29d
metrics-server 1/1 1 1 29d
[root@localhost kubectl-helper]# kgpa
NAMESPACE NAME READY STATUS RESTARTS AGE
default docker-registry-647dfbd4f8-4rjj4 1/1 Running 0 16h
default docker-registry-ui-86b768fc47-bdp7l 1/1 Running 0 16h
default nacos-675ff5894-4kb9c 1/1 Running 0 16h
default redis-7756bbdcb4-864lb 1/1 Running 0 16h
default uds-es-master-0 1/1 Running 0 16h
default uds-es-master-1 1/1 Running 0 16h
default uds-es-master-2 1/1 Running 0 16h
kube-system coredns-766956944f-kdmk6 1/1 Running 0 21h
kube-system dashboard-metrics-scraper-7fdfb7dc46-8r7cg 1/1 Running 0 21h
kube-system kube-flannel-ds-amd64-8td4j 1/1 Running 0 16h
kube-system kube-flannel-ds-amd64-g7l8g 1/1 Running 0 16h
kube-system kube-flannel-ds-amd64-qw9nb 1/1 Running 0 16h
kube-system kubernetes-dashboard-766f6764d7-r5zld 1/1 Running 0 21h
kube-system metrics-server-bddd9b766-8kpbr 1/1 Running 0 21h
kube-system node-local-dns-cw5dg 1/1 Running 0 16h
kube-system node-local-dns-lk7dg 1/1 Running 0 16h
kube-system node-local-dns-pq7jr 1/1 Running 0 16h
uds uds-admin-5574975dbd-mx7tr 1/1 Running 0 5h32m
uds uds-auth-8b67fc4c4-8frkt 1/1 Running 0 5h32m
uds uds-gateway-7c8c7b5bc4-crnrv 1/1 Running 0 5h32m
uds uds-gateway-7c8c7b5bc4-m8sx2 1/1 Running 0 5h32m
uds uds-job-admin-85bcd647f7-knfqb 1/1 Running 0 5h32m
uds uds-metadata-dccb7ddf9-qx9lh 1/1 Running 0 5h32m
uds uds-webui-8544cf8fdd-k2t67 1/1 Running 0 5h32m
[root@localhost kubectl-helper]# kgda
NAMESPACE NAME READY UP-TO-DATE AVAILABLE AGE
default docker-registry 1/1 1 1 29d
default docker-registry-ui 1/1 1 1 29d
default nacos 1/1 1 1 29d
default redis 1/1 1 1 29d
kube-system coredns 1/1 1 1 29d
kube-system dashboard-metrics-scraper 1/1 1 1 29d
kube-system kubernetes-dashboard 1/1 1 1 29d
kube-system metrics-server 1/1 1 1 29d
uds uds-admin 1/1 1 1 29d
uds uds-auth 1/1 1 1 29d
uds uds-gateway 2/2 2 2 29d
uds uds-job-admin 1/1 1 1 29d
uds uds-metadata 1/1 1 1 29d
uds uds-webui 1/1 1 1 29d
[root@localhost kubectl-helper]#[root@localhost kubectl-helper]# ./describe_k8s_resource.sh pod uds
=== Found 10 pods with 'uds' in their names:
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE
1: default uds-es-master-0 1/1 Running 0 16h 172.20.0.35 10.1.76.1
2: default uds-es-master-1 1/1 Running 0 16h 172.20.2.35 10.1.76.3
3: default uds-es-master-2 1/1 Running 0 16h 172.20.1.26 10.1.76.2
4: uds uds-admin-5574975dbd-mx7tr 1/1 Running 0 6h17m 172.20.1.27 10.1.76.2
5: uds uds-auth-8b67fc4c4-8frkt 1/1 Running 0 6h17m 172.20.0.36 10.1.76.1
6: uds uds-gateway-7c8c7b5bc4-crnrv 1/1 Running 0 6h17m 172.20.0.37 10.1.76.1
7: uds uds-gateway-7c8c7b5bc4-m8sx2 1/1 Running 0 6h17m 172.20.2.36 10.1.76.3
8: uds uds-job-admin-85bcd647f7-knfqb 1/1 Running 0 6h17m 172.20.1.28 10.1.76.2
9: uds uds-metadata-dccb7ddf9-qx9lh 1/1 Running 0 6h17m 172.20.0.38 10.1.76.1
10: uds uds-webui-8544cf8fdd-k2t67 1/1 Running 0 6h17m 172.20.1.29 10.1.76.2
=== Please choose one pod to describe it [1~10] OR type 'q' to quit: 4
=== [INFO] About to execute following command in 1 seconds:
[ kubectl describe -n uds pod/uds-admin-5574975dbd-mx7tr ]
--------------------------------- [ Command execution result ] ----------------------------------
Name: uds-admin-5574975dbd-mx7tr
Namespace: uds
Priority: 0
Node: 10.1.76.2/10.1.76.2
Start Time: Tue, 07 Nov 2023 11:08:36 +0800
Labels: app=uds-admin
app.kubernetes.io/instance=uds
app.kubernetes.io/name=uds-admin
pod-template-hash=5574975dbd
Annotations: kubectl.kubernetes.io/restartedAt: 2023-11-07T11:08:36+08:00
Status: Running
IP: 172.20.1.27
IPs:
IP: 172.20.1.27
Controlled By: ReplicaSet/uds-admin-5574975dbd
Containers:
uds-admin:
Container ID: docker://3a51179bdd5422c5106935787496b310200e3c8da12c8e44d52a8d6ac433d784
Image: docker-registry:15000/uds_cloud/uds-ms-admin:2.1.2
Image ID: docker-pullable://docker-registry:15000/uds_cloud/uds-ms-admin@sha256:8acbcde5da27f8de311a8a5907ca8ec91e226dfaa15c7aa165fe8a048a8bb962
Port: 80/TCP
Host Port: 0/TCP
State: Running
Started: Tue, 07 Nov 2023 11:08:38 +0800
Ready: True
Restart Count: 0
Environment:
spring.cloud.nacos.server-addr: nacos-svc.default:8848
JASYPT_ENCRYPTOR_PASSWORD: Yiph@FZ3Nwg
spring.cloud.nacos.username: nacos
spring.cloud.nacos.password: pa44w0rd
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-rwlbs (ro)
Conditions:
Type Status
Initialized True
Ready True
ContainersReady True
PodScheduled True
Volumes:
default-token-rwlbs:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-rwlbs
Optional: false
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events: <none>
[root@localhost kubectl-helper]#[root@localhost kubectl-helper]# ./describe_k8s_resource.sh node 10.1.76.
=== Found 3 nodes with '10.1.76.' in their names:
NAME STATUS ROLES AGE VERSION INTERNAL-IP KERNEL-VERSION CONTAINER-RUNTIME
1: 10.1.76.1 Ready master 29d v1.19.14 10.1.76.1 3.10.0-957.el7.x86_64 docker://19.3.15
2: 10.1.76.2 Ready master 29d v1.19.14 10.1.76.2 3.10.0-957.el7.x86_64 docker://19.3.15
3: 10.1.76.3 Ready node 29d v1.19.14 10.1.76.3 3.10.0-957.el7.x86_64 docker://19.3.15
=== Please choose one node to describe it [1~3] OR type 'q' to quit: 1
=== [INFO] About to execute following command in 1 seconds:
[ kubectl describe node/10.1.76.1 ]
--------------------------------- [ Command execution result ] ----------------------------------
Name: 10.1.76.1
Roles: master
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/os=linux
kubernetes.io/arch=amd64
kubernetes.io/hostname=10.1.76.1
kubernetes.io/os=linux
kubernetes.io/role=master
Annotations: flannel.alpha.coreos.com/backend-data: {"VtepMAC":"42:8a:b7:0d:a9:d7"}
flannel.alpha.coreos.com/backend-type: vxlan
flannel.alpha.coreos.com/kube-subnet-manager: true
flannel.alpha.coreos.com/public-ip: 10.1.76.1
node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Mon, 09 Oct 2023 11:48:49 +0800
Taints: <none>
Unschedulable: false
Lease:
HolderIdentity: 10.1.76.1
AcquireTime: <unset>
RenewTime: Tue, 07 Nov 2023 17:32:32 +0800
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
NetworkUnavailable False Tue, 07 Nov 2023 00:00:02 +0800 Tue, 07 Nov 2023 00:00:02 +0800 FlannelIsUp Flannel is running on this node
MemoryPressure False Tue, 07 Nov 2023 17:32:25 +0800 Mon, 09 Oct 2023 11:48:49 +0800 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Tue, 07 Nov 2023 17:32:25 +0800 Mon, 09 Oct 2023 11:48:49 +0800 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Tue, 07 Nov 2023 17:32:25 +0800 Mon, 09 Oct 2023 11:48:49 +0800 KubeletHasSufficientPID kubelet has sufficient PID available
Ready True Tue, 07 Nov 2023 17:32:25 +0800 Fri, 03 Nov 2023 02:58:00 +0800 KubeletReady kubelet is posting ready status
Addresses:
InternalIP: 10.1.76.1
Hostname: 10.1.76.1
Capacity:
cpu: 4
ephemeral-storage: 76899Mi
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 14183440Ki
pods: 110
Allocatable:
cpu: 4
ephemeral-storage: 72571001122
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 13466640Ki
pods: 110
System Info:
Machine ID: 063748ff53c741a093c85702f280e354
System UUID: 7AE74D56-3969-66F5-C3E7-8D70E60C4AAC
Boot ID: dffb9179-fff1-47bf-8699-5a6d1a288489
Kernel Version: 3.10.0-957.el7.x86_64
OS Image: CentOS Linux 7 (Core)
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://19.3.15
Kubelet Version: v1.19.14
Kube-Proxy Version: v1.19.14
PodCIDR: 172.20.0.0/24
PodCIDRs: 172.20.0.0/24
Non-terminated Pods: (7 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
default uds-es-master-0 1 (25%) 2 (50%) 1Gi (7%) 2Gi (15%) 17h
kube-system kube-flannel-ds-amd64-qw9nb 100m (2%) 150m (3%) 100Mi (0%) 150Mi (1%) 17h
kube-system metrics-server-bddd9b766-8kpbr 0 (0%) 0 (0%) 0 (0%) 0 (0%) 22h
kube-system node-local-dns-pq7jr 25m (0%) 0 (0%) 5Mi (0%) 0 (0%) 17h
uds uds-auth-8b67fc4c4-8frkt 0 (0%) 0 (0%) 0 (0%) 0 (0%) 6h24m
uds uds-gateway-7c8c7b5bc4-crnrv 0 (0%) 0 (0%) 0 (0%) 0 (0%) 6h24m
uds uds-metadata-dccb7ddf9-qx9lh 0 (0%) 0 (0%) 0 (0%) 0 (0%) 6h24m
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 1125m (28%) 2150m (53%)
memory 1129Mi (8%) 2198Mi (16%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-1Gi 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
Events: <none>
[root@localhost kubectl-helper]#[root@localhost kubectl-helper]# ./batch_dump_describe_of_k8s_resources.sh pod uds
=== Found 10 pods with 'uds' in their names:
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE
1: default uds-es-master-0 1/1 Running 0 17h 172.20.0.35 10.1.76.1
2: default uds-es-master-1 1/1 Running 0 17h 172.20.2.35 10.1.76.3
3: default uds-es-master-2 1/1 Running 0 17h 172.20.1.26 10.1.76.2
4: uds uds-admin-5574975dbd-mx7tr 1/1 Running 0 6h28m 172.20.1.27 10.1.76.2
5: uds uds-auth-8b67fc4c4-8frkt 1/1 Running 0 6h28m 172.20.0.36 10.1.76.1
6: uds uds-gateway-7c8c7b5bc4-crnrv 1/1 Running 0 6h28m 172.20.0.37 10.1.76.1
7: uds uds-gateway-7c8c7b5bc4-m8sx2 1/1 Running 0 6h28m 172.20.2.36 10.1.76.3
8: uds uds-job-admin-85bcd647f7-knfqb 1/1 Running 0 6h28m 172.20.1.28 10.1.76.2
9: uds uds-metadata-dccb7ddf9-qx9lh 1/1 Running 0 6h28m 172.20.0.38 10.1.76.1
10: uds uds-webui-8544cf8fdd-k2t67 1/1 Running 0 6h28m 172.20.1.29 10.1.76.2
=== Please select one or more pods (example: 1~2,4,5~7) to continue OR type 'q' to quit: 1~3,5,7,9~10
=== The final specified seq nums are: [ 1 2 3 5 7 9 10 ]
=== Dumping describe of pod [ default/uds-es-master-0 ] ...
=== Dumping describe of pod [ default/uds-es-master-1 ] ...
=== Dumping describe of pod [ default/uds-es-master-2 ] ...
=== Dumping describe of pod [ uds/uds-auth-8b67fc4c4-8frkt ] ...
=== Dumping describe of pod [ uds/uds-gateway-7c8c7b5bc4-m8sx2 ] ...
=== Dumping describe of pod [ uds/uds-metadata-dccb7ddf9-qx9lh ] ...
=== Dumping describe of pod [ uds/uds-webui-8544cf8fdd-k2t67 ] ...
=== All describe of selected pods have been dumped, the result file:
[ /root/kubectl-helper/_out/k8s-describe-of-pods_[filtered-by_uds]_2023-11-07_173727.tar.gz ]
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./view_logs_of_k8s_resource.sh
===========================================================================================
# View logs of k8s resources filtered by specified [k8s_resource_type] and [search_keyword]
#
# @author bianyun
# @version 1.1.0
# @date 2023/11/7
===========================================================================================
Usage:
./view_logs_of_k8s_resource.sh <k8s_resource_type> <search_keyword> [tail_size]
Note:
- Supported resource types: [pod,service,deployment,statefulset,daemonset,job,cronjob]
- tail_size: Used in (kubectl logs --tail $tail_size), default value: [ 500 ]
Examples:
./view_logs_of_k8s_resource.sh pod uds
./view_logs_of_k8s_resource.sh svc uds-es
./view_logs_of_k8s_resource.sh deploy gateway
./view_logs_of_k8s_resource.sh sts uds
./view_logs_of_k8s_resource.sh ds dns
./view_logs_of_k8s_resource.sh job uds
./view_logs_of_k8s_resource.sh cj uds
./view_logs_of_k8s_resource.sh pod uds-metadata 2000
./view_logs_of_k8s_resource.sh svc uds-gateway 5000
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./view_logs_of_k8s_resource.sh pod uds
=== Found 10 pods with 'uds' in their names:
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE
1: default uds-es-master-0 1/1 Running 0 17h 172.20.0.35 10.1.76.1
2: default uds-es-master-1 1/1 Running 0 17h 172.20.2.35 10.1.76.3
3: default uds-es-master-2 1/1 Running 0 17h 172.20.1.26 10.1.76.2
4: uds uds-admin-5574975dbd-mx7tr 1/1 Running 0 6h43m 172.20.1.27 10.1.76.2
5: uds uds-auth-8b67fc4c4-8frkt 1/1 Running 0 6h43m 172.20.0.36 10.1.76.1
6: uds uds-gateway-7c8c7b5bc4-crnrv 1/1 Running 0 6h43m 172.20.0.37 10.1.76.1
7: uds uds-gateway-7c8c7b5bc4-m8sx2 1/1 Running 0 6h43m 172.20.2.36 10.1.76.3
8: uds uds-job-admin-85bcd647f7-knfqb 1/1 Running 0 6h43m 172.20.1.28 10.1.76.2
9: uds uds-metadata-dccb7ddf9-qx9lh 1/1 Running 0 6h43m 172.20.0.38 10.1.76.1
10: uds uds-webui-8544cf8fdd-k2t67 1/1 Running 0 6h43m 172.20.1.29 10.1.76.2
=== Please choose one pod to view its logs [1~10] OR type 'q' to quit: 1
=== [INFO] About to execute following command in 1 seconds:
[ kubectl logs -f --tail=500 uds-es-master-0 ]
--------------------------------- [ Command execution result ] ----------------------------------
Created elasticsearch keystore in /usr/share/elasticsearch/config
[2023-11-06T16:32:22,566][INFO ][o.e.e.NodeEnvironment ] [uds-es-master-0] using [1] data paths, mounts [[/usr/share/elasticsearch/data (/dev/mapper/centos-root)]], net usable_space [41gb], net total_space [75gb], types [xfs]
[2023-11-06T16:32:22,571][INFO ][o.e.e.NodeEnvironment ] [uds-es-master-0] heap size [1gb], compressed ordinary object pointers [true]
[2023-11-06T16:32:22,684][INFO ][o.e.n.Node ] [uds-es-master-0] node name [uds-es-master-0], node ID [-wPDVujdRieXfZbSkK5FSg]
[2023-11-06T16:32:22,684][INFO ][o.e.n.Node ] [uds-es-master-0] version[6.8.23], pid[1], build[default/docker/4f67856/2022-01-06T21:30:50.087716Z], OS[Linux/3.10.0-957.el7.x86_64/amd64], JVM[AdoptOpenJDK/OpenJDK 64-Bit Server VM/15.0.1/15.0.1+9]
[2023-11-06T16:32:22,685][INFO ][o.e.n.Node ] [uds-es-master-0] JVM arguments [-Xms1g, -Xmx1g, -XX:+UseG1GC, -XX:G1ReservePercent=25, -XX:InitiatingHeapOccupancyPercent=30, -Des.networkaddress.cache.ttl=60, -Des.networkaddress.cache.negative.ttl=10, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -XX:-OmitStackTraceInFastThrow, -XX:+ShowCodeDetailsInExceptionMessages, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Dlog4j2.formatMsgNoLookups=true, -Djava.io.tmpdir=/tmp/elasticsearch-13109902201936545823, -XX:+HeapDumpOnOutOfMemoryError, -XX:HeapDumpPath=data, -XX:ErrorFile=logs/hs_err_pid%p.log, -Xlog:gc*,gc+age=trace,safepoint:file=logs/gc.log:utctime,pid,tags:filecount=32,filesize=64m, -Djava.locale.providers=COMPAT, -XX:UseAVX=2, -Des.cgroups.hierarchy.override=/, -Xmx1g, -Xms1g, -Dlog4j2.formatMsgNoLookups=true, -Des.allow_insecure_settings=true, -Des.path.home=/usr/share/elasticsearch, -Des.path.conf=/usr/share/elasticsearch/config, -Des.distribution.flavor=default, -Des.distribution.type=docker]
[2023-11-06T16:32:27,153][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [aggs-matrix-stats]
[2023-11-06T16:32:27,153][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [analysis-common]
[2023-11-06T16:32:27,154][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [ingest-common]
[2023-11-06T16:32:27,154][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [ingest-geoip]
[2023-11-06T16:32:27,154][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [ingest-user-agent]
[2023-11-06T16:32:27,154][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [lang-expression]
[2023-11-06T16:32:27,155][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [lang-mustache]
[2023-11-06T16:32:27,155][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [lang-painless]
[2023-11-06T16:32:27,155][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [mapper-extras]
[2023-11-06T16:32:27,155][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [parent-join]
[2023-11-06T16:32:27,155][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [percolator]
[2023-11-06T16:32:27,156][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [rank-eval]
[2023-11-06T16:32:27,156][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [reindex]
[2023-11-06T16:32:27,156][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [repository-url]
[2023-11-06T16:32:27,156][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [transport-netty4]
[2023-11-06T16:32:27,156][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [tribe]
[2023-11-06T16:32:27,156][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-ccr]
[2023-11-06T16:32:27,157][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-core]
[2023-11-06T16:32:27,157][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-deprecation]
[2023-11-06T16:32:27,157][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-graph]
[2023-11-06T16:32:27,157][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-ilm]
[2023-11-06T16:32:27,158][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-logstash]
[2023-11-06T16:32:27,158][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-ml]
[2023-11-06T16:32:27,158][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-monitoring]
[2023-11-06T16:32:27,158][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-rollup]
[2023-11-06T16:32:27,158][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-security]
[2023-11-06T16:32:27,158][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-sql]
[2023-11-06T16:32:27,158][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-upgrade]
[2023-11-06T16:32:27,159][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded module [x-pack-watcher]
[2023-11-06T16:32:27,160][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded plugin [analysis-ik]
[2023-11-06T16:32:27,160][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded plugin [elasticsearch-repository-oss]
[2023-11-06T16:32:27,160][INFO ][o.e.p.PluginsService ] [uds-es-master-0] loaded plugin [repository-s3]
[2023-11-06T16:32:34,083][INFO ][o.e.x.s.a.s.FileRolesStore] [uds-es-master-0] parsed [0] roles from file [/usr/share/elasticsearch/config/roles.yml]
[2023-11-06T16:32:35,166][INFO ][o.e.x.m.p.l.CppLogMessageHandler] [uds-es-master-0] [controller/296] [Main.cc@114] controller (64 bit): Version 6.8.23 (Build 31256deab94add) Copyright (c) 2022 Elasticsearch BV
[2023-11-06T16:32:36,778][INFO ][o.e.d.DiscoveryModule ] [uds-es-master-0] using discovery type [zen] and host providers [settings]
[2023-11-06T16:32:38,380][INFO ][o.e.n.Node ] [uds-es-master-0] initialized
[2023-11-06T16:32:38,381][INFO ][o.e.n.Node ] [uds-es-master-0] starting ...
[2023-11-06T16:32:38,608][INFO ][o.e.t.TransportService ] [uds-es-master-0] publish_address {172.20.0.35:9300}, bound_addresses {0.0.0.0:9300}
[2023-11-06T16:32:38,662][INFO ][o.e.b.BootstrapChecks ] [uds-es-master-0] bound or publishing to a non-loopback address, enforcing bootstrap checks
[2023-11-06T16:32:43,392][INFO ][o.e.c.s.ClusterApplierService] [uds-es-master-0] detected_master {uds-es-master-2}{xqhVyNrZQ9yCIyjg-bWyug}{rp28aQ3ISUmUfU0BZhiTAQ}{172.20.1.26}{172.20.1.26:9300}{ml.machine_memory=2147483648, ml.max_open_jobs=20, xpack.installed=true, ml.enabled=true}, added {{uds-es-master-1}{y7bl6CBKQ4aYIfB3PkOs0A}{1fGLddPiTnixKCXiXyv6TA}{172.20.2.35}{172.20.2.35:9300}{ml.machine_memory=2147483648, ml.max_open_jobs=20, xpack.installed=true, ml.enabled=true},{uds-es-master-2}{xqhVyNrZQ9yCIyjg-bWyug}{rp28aQ3ISUmUfU0BZhiTAQ}{172.20.1.26}{172.20.1.26:9300}{ml.machine_memory=2147483648, ml.max_open_jobs=20, xpack.installed=true, ml.enabled=true},}, reason: apply cluster state (from master [master {uds-es-master-2}{xqhVyNrZQ9yCIyjg-bWyug}{rp28aQ3ISUmUfU0BZhiTAQ}{172.20.1.26}{172.20.1.26:9300}{ml.machine_memory=2147483648, ml.max_open_jobs=20, xpack.installed=true, ml.enabled=true} committed version [105]])
[2023-11-06T16:32:44,468][INFO ][o.e.x.s.a.TokenService ] [uds-es-master-0] refresh keys
[2023-11-06T16:32:44,769][INFO ][o.e.x.s.a.TokenService ] [uds-es-master-0] refreshed keys
[2023-11-06T16:32:44,833][INFO ][o.e.l.LicenseService ] [uds-es-master-0] license [c9fd231f-10f6-400f-a463-2e58c35d11fb] mode [basic] - valid
[2023-11-06T16:32:44,880][INFO ][o.e.h.n.Netty4HttpServerTransport] [uds-es-master-0] publish_address {172.20.0.35:9200}, bound_addresses {0.0.0.0:9200}
[2023-11-06T16:32:44,881][INFO ][o.e.n.Node ] [uds-es-master-0] started
[2023-11-06T16:32:44,977][INFO ][o.w.a.d.Monitor ] [uds-es-master-0] try load config from /usr/share/elasticsearch/config/analysis-ik/IKAnalyzer.cfg.xml
[2023-11-06T16:32:44,979][INFO ][o.w.a.d.Monitor ] [uds-es-master-0] try load config from /usr/share/elasticsearch/plugins/ik/config/IKAnalyzer.cfg.xml
^C
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./view_logs_of_k8s_resource.sh pod uds 5
=== Found 10 pods with 'uds' in their names:
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE
1: default uds-es-master-0 1/1 Running 0 17h 172.20.0.35 10.1.76.1
2: default uds-es-master-1 1/1 Running 0 17h 172.20.2.35 10.1.76.3
3: default uds-es-master-2 1/1 Running 0 17h 172.20.1.26 10.1.76.2
4: uds uds-admin-5574975dbd-mx7tr 1/1 Running 0 7h5m 172.20.1.27 10.1.76.2
5: uds uds-auth-8b67fc4c4-8frkt 1/1 Running 0 7h5m 172.20.0.36 10.1.76.1
6: uds uds-gateway-7c8c7b5bc4-crnrv 1/1 Running 0 7h5m 172.20.0.37 10.1.76.1
7: uds uds-gateway-7c8c7b5bc4-m8sx2 1/1 Running 0 7h5m 172.20.2.36 10.1.76.3
8: uds uds-job-admin-85bcd647f7-knfqb 1/1 Running 0 7h5m 172.20.1.28 10.1.76.2
9: uds uds-metadata-dccb7ddf9-qx9lh 1/1 Running 0 7h5m 172.20.0.38 10.1.76.1
10: uds uds-webui-8544cf8fdd-k2t67 1/1 Running 0 7h5m 172.20.1.29 10.1.76.2
=== Please choose one pod to view its logs [1~10] OR type 'q' to quit: 10
=== [INFO] About to execute following command in 1 seconds:
[ kubectl logs -n uds -f --tail=5 uds-webui-8544cf8fdd-k2t67 ]
--------------------------------- [ Command execution result ] ----------------------------------
2023/11/07 11:08:40 [notice] 7#7: sched_setaffinity(): using cpu #1
2023/11/07 11:08:40 [notice] 8#8: sched_setaffinity(): using cpu #2
2023/11/07 11:08:40 [notice] 8#8: sched_setaffinity(): using cpu #2
2023/11/07 11:08:40 [notice] 6#6: sched_setaffinity(): using cpu #0
2023/11/07 11:08:40 [notice] 6#6: sched_setaffinity(): using cpu #0
^C
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./batch_dump_logs_of_k8s_resources.sh
=================================================================================================
# Batch dump logs of k8s resources filtered by specified [k8s_resource_type] and [search_keyword]
#
# @author bianyun
# @version 1.1.0
# @date 2023/11/7
=================================================================================================
Usage:
./batch_dump_logs_of_k8s_resources.sh <k8s_resource_type> <search_keyword> [tail_size]
Note:
- Supported resource types: [pod, service, deployment, statefulset, daemonset, job, cronjob]
- tail_size: Used in (kubectl logs --tail $tail_size), default value: [ 500000 ]
Examples:
./batch_dump_logs_of_k8s_resources.sh pod uds
./batch_dump_logs_of_k8s_resources.sh svc uds-es
./batch_dump_logs_of_k8s_resources.sh deploy gateway
./batch_dump_logs_of_k8s_resources.sh sts uds
./batch_dump_logs_of_k8s_resources.sh ds dns
./batch_dump_logs_of_k8s_resources.sh job uds
./batch_dump_logs_of_k8s_resources.sh cj uds
./batch_dump_logs_of_k8s_resources.sh pod uds-metadata 2000
./batch_dump_logs_of_k8s_resources.sh svc uds-gateway 2000000
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./batch_dump_logs_of_k8s_resources.sh pod uds
=== Found 10 pods with 'uds' in their names:
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE
1: default uds-es-master-0 1/1 Running 0 18h 172.20.0.35 10.1.76.1
2: default uds-es-master-1 1/1 Running 0 18h 172.20.2.35 10.1.76.3
3: default uds-es-master-2 1/1 Running 0 18h 172.20.1.26 10.1.76.2
4: uds uds-admin-5574975dbd-mx7tr 1/1 Running 0 7h32m 172.20.1.27 10.1.76.2
5: uds uds-auth-8b67fc4c4-8frkt 1/1 Running 0 7h32m 172.20.0.36 10.1.76.1
6: uds uds-gateway-7c8c7b5bc4-crnrv 1/1 Running 0 7h32m 172.20.0.37 10.1.76.1
7: uds uds-gateway-7c8c7b5bc4-m8sx2 1/1 Running 0 7h32m 172.20.2.36 10.1.76.3
8: uds uds-job-admin-85bcd647f7-knfqb 1/1 Running 0 7h32m 172.20.1.28 10.1.76.2
9: uds uds-metadata-dccb7ddf9-qx9lh 1/1 Running 0 7h32m 172.20.0.38 10.1.76.1
10: uds uds-webui-8544cf8fdd-k2t67 1/1 Running 0 7h32m 172.20.1.29 10.1.76.2
=== Please select one or more pods (example: 1~2,4,5~7) to continue OR type 'q' to quit: 1~2,4,6,8~10
=== The final specified seq nums are: [ 1 2 4 6 8 9 10 ]
=== Dumping logs of pod [ default/uds-es-master-0 ] ...
=== Dumping logs of pod [ default/uds-es-master-1 ] ...
=== Dumping logs of pod [ uds/uds-admin-5574975dbd-mx7tr ] ...
=== Dumping logs of pod [ uds/uds-gateway-7c8c7b5bc4-crnrv ] ...
=== Dumping logs of pod [ uds/uds-job-admin-85bcd647f7-knfqb ] ...
=== Dumping logs of pod [ uds/uds-metadata-dccb7ddf9-qx9lh ] ...
=== Dumping logs of pod [ uds/uds-webui-8544cf8fdd-k2t67 ] ...
=== All logs of selected pods have been dumped, the result file:
[ /root/kubectl-helper/_out/k8s-logs-of-pods_[filtered-by_uds]_2023-11-07_184128.tar.gz ]
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./enter_into_k8s_pod.sh uds-es
=== Found 3 pods with 'uds-es' in their names:
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE
1: default uds-es-master-0 1/1 Running 0 18h 172.20.0.35 10.1.76.1
2: default uds-es-master-1 1/1 Running 0 18h 172.20.2.35 10.1.76.3
3: default uds-es-master-2 1/1 Running 0 18h 172.20.1.26 10.1.76.2
=== Please choose one pod to enter in it [1~3] OR type 'q' to quit: 1
=== [INFO] About to execute following command:
[ kubectl exec -it uds-es-master-0 -- bash ]
----------------------------- [ NOTE: The part below is inside the container ] -----------------------------
[elasticsearch@uds-es-master-0 ~]$ ls -l
total 460
-rw-r--r-- 1 elasticsearch root 13675 Jan 6 2022 LICENSE.txt
-rw-r--r-- 1 elasticsearch root 427502 Jan 6 2022 NOTICE.txt
-rw-r--r-- 1 elasticsearch root 8534 Jan 6 2022 README.textile
drwxr-xr-x 3 elasticsearch root 4096 Jan 6 2022 bin
drwxrwxr-x 1 elasticsearch root 49 Nov 6 16:32 config
drwxrwsr-x 3 root elasticsearch 19 Jun 29 07:00 data
drwxr-xr-x 3 elasticsearch root 4096 Jan 6 2022 lib
drwxrwxr-x 1 elasticsearch root 20 Nov 6 16:32 logs
drwxr-xr-x 31 elasticsearch root 4096 Jan 6 2022 modules
drwxr-xr-x 1 elasticsearch root 73 Feb 10 2022 plugins
[elasticsearch@uds-es-master-0 ~]$
exit
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./execute_cmd_in_k8s_pod.sh
================================================================================
# Execute command inside selected k8s pod filtered by specified [search_keyword]
#
# @author bianyun
# @version 1.1.0
# @date 2023/11/7
================================================================================
Usage:
./execute_cmd_in_k8s_pod.sh <search_keyword> <"quoted_command_str">
Examples:
./execute_cmd_in_k8s_pod.sh uds-es "date +'%Y-%m-%d %H:%M:%S'"
./execute_cmd_in_k8s_pod.sh uds-es "cat /etc/os-release"
./execute_cmd_in_k8s_pod.sh uds-es "cat /etc/hosts |grep 127.0.0.1"
./execute_cmd_in_k8s_pod.sh uds-es "ls -l / --color=always"
./execute_cmd_in_k8s_pod.sh uds-es "ls -l / |grep usr --color=auto"
./execute_cmd_in_k8s_pod.sh uds-es "ps -ef |grep netty --color=auto"
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./execute_cmd_in_k8s_pod.sh uds-es "ls -l / --color=always"
=== Found 3 pods with 'uds-es' in their names:
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE
1: default uds-es-master-0 1/1 Running 0 18h 172.20.0.35 10.1.76.1
2: default uds-es-master-1 1/1 Running 0 18h 172.20.2.35 10.1.76.3
3: default uds-es-master-2 1/1 Running 0 18h 172.20.1.26 10.1.76.2
=== Please choose one pod to execute your command [1~3] OR type 'q' to quit: 1
=== [INFO] About to execute following command:
[ kubectl exec -i uds-es-master-0 -- ls -l / --color=always ]
--------------------------------------- [ Command execution result ] ---------------------------------------
total 12
-rw-r--r-- 1 root root 12114 Nov 13 2020 anaconda-post.log
lrwxrwxrwx 1 root root 7 Nov 13 2020 bin -> usr/bin
drwxr-xr-x 5 root root 360 Nov 6 16:32 dev
drwxr-xr-x 1 root root 66 Nov 6 16:32 etc
drwxr-xr-x 2 root root 6 Apr 11 2018 home
lrwxrwxrwx 1 root root 7 Nov 13 2020 lib -> usr/lib
lrwxrwxrwx 1 root root 9 Nov 13 2020 lib64 -> usr/lib64
drwxr-xr-x 2 root root 6 Apr 11 2018 media
drwxr-xr-x 2 root root 6 Apr 11 2018 mnt
drwxr-xr-x 1 root root 26 Jan 6 2022 opt
dr-xr-xr-x 276 root root 0 Nov 6 16:32 proc
dr-xr-x--- 2 root root 114 Nov 13 2020 root
drwxr-xr-x 1 root root 21 Nov 6 16:32 run
lrwxrwxrwx 1 root root 8 Nov 13 2020 sbin -> usr/sbin
drwxr-xr-x 2 root root 6 Apr 11 2018 srv
dr-xr-xr-x 13 root root 0 Nov 3 00:55 sys
drwxrwxrwt 1 root root 227 Nov 6 16:32 tmp
drwxr-xr-x 1 root root 19 Nov 13 2020 usr
drwxr-xr-x 1 root root 30 Nov 13 2020 var
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./restart_k8s_resources.sh
=====================================================================================
# Restart k8s resource filtered by specified [k8s_resource_type] and [search_keyword]
#
# @author bianyun
# @version 1.1.0
# @date 2023/11/7
=====================================================================================
Usage:
./restart_k8s_resources.sh <k8s_resource_type> <search_keyword>
./restart_k8s_resources.sh <k8s_resource_type> all <namespace>
Note:
- Supported k8s resource types: [deployment, daemonset, statefulset]
- Restarting k8s resources under namespace [kube-system] is prohibited by default
Examples:
./restart_k8s_resources.sh deploy nacos
./restart_k8s_resources.sh deploy redis
./restart_k8s_resources.sh deploy uds
./restart_k8s_resources.sh daemonset dns
./restart_k8s_resources.sh statefulset uds
./restart_k8s_resources.sh deploy all uds
./restart_k8s_resources.sh daemonset all kube-system
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./restart_k8s_resources.sh deploy uds
=== Found 6 deployments with 'uds' in their names:
NAMESPACE NAME READY UP-TO-DATE AVAILABLE AGE
1: uds uds-admin 1/1 1 1 29d
2: uds uds-auth 1/1 1 1 29d
3: uds uds-gateway 2/2 2 2 29d
4: uds uds-job-admin 1/1 1 1 29d
5: uds uds-metadata 1/1 1 1 29d
6: uds uds-webui 1/1 1 1 29d
=== Please choose one deployment to restart it [1~6] OR type 'q' to quit: 1
=== [INFO] About to execute following command:
[ kubectl rollout restart -n uds deployment/uds-admin ]
--------------------------------------- [ Command execution result ] ---------------------------------------
deployment.apps/uds-admin restarted
[root@localhost kubectl-helper]# [root@localhost kubectl-helper]# ./restart_k8s_resources.sh deploy all uds
=== Do you want to restart all the deployments under [uds] namespace? [y/n]: y
=== [INFO] About to execute following command:
[ kubectl get deployment -n uds | awk 'NR>1' | awk '{print $1}' | xargs -I {} kubectl rollout restart deployment -n uds {} ]
--------------------------------------- [ Command execution result ] ---------------------------------------
deployment.apps/uds-admin restarted
deployment.apps/uds-auth restarted
deployment.apps/uds-gateway restarted
deployment.apps/uds-job-admin restarted
deployment.apps/uds-metadata restarted
deployment.apps/uds-webui restarted
[root@localhost kubectl-helper]# By default, resources under the namespace kube-system are not allowed to be restarted.
[root@localhost kubectl-helper]# ./restart_k8s_resources.sh daemonset kube-system
=== Found 2 daemonsets with 'kube-system' in their names:
NAMESPACE NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
1: kube-system kube-flannel-ds-amd64 3 3 3 3 3 <none> 29d
2: kube-system node-local-dns 3 3 3 3 3 <none> 29d
=== Please choose one daemonset to restart it [1~2] OR type 'q' to quit: 1
=== [WARN] Do not allow restart of daemonsets under namespace [kube-system]
[root@localhost kubectl-helper]# If you want to remove this limit, you need to change the value of allow_restart_kube_system_resource (defined in _base/common_config) to true in order to allow restarting resources under kube-system namespace.
[root@localhost kubectl-helper]# vi ./_base/common_config
debug="false"
global_out_dir_name="_out"
default_tail_size_for_logs_view=500
default_tail_size_for_logs_dump=500000
allow_restart_kube_system_resource="true"
[root@localhost kubectl-helper]# After making this change, you can try again.
[root@localhost kubectl-helper]# ./restart_k8s_resources.sh daemonset kube-system
=== Found 2 daemonsets with 'kube-system' in their names:
NAMESPACE NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
1: kube-system kube-flannel-ds-amd64 3 3 3 3 3 <none> 29d
2: kube-system node-local-dns 3 3 3 3 3 <none> 29d
=== Please choose one daemonset to restart it [1~2] OR type 'q' to quit: 1
=== [INFO] About to execute following command:
[ kubectl rollout restart -n kube-system daemonset/kube-flannel-ds-amd64 ]
--------------------------------------- [ Command execution result ] ---------------------------------------
daemonset.apps/kube-flannel-ds-amd64 restarted
[root@localhost kubectl-helper]# kgpks
NAME READY STATUS RESTARTS AGE
coredns-766956944f-kdmk6 1/1 Running 0 26h
dashboard-metrics-scraper-7fdfb7dc46-8r7cg 1/1 Running 0 26h
kube-flannel-ds-amd64-btjmh 1/1 Running 0 33s
kube-flannel-ds-amd64-g7l8g 1/1 Terminating 0 21h
kube-flannel-ds-amd64-qw9nb 1/1 Running 0 21h
kubernetes-dashboard-766f6764d7-r5zld 1/1 Running 0 26h
metrics-server-bddd9b766-8kpbr 1/1 Running 0 26h
node-local-dns-cw5dg 1/1 Running 0 21h
node-local-dns-lk7dg 1/1 Running 0 21h
node-local-dns-pq7jr 1/1 Running 0 21h
[root@localhost kubectl-helper]#