我已经按照以下步骤设置了Kubernetes。一切看起来都很好-但它在单个节点/服务器上运行。
现在，我要执行在多个节点上运行的下一步。我想知道应该在哪里配置物理服务器ip，以便可以在多个物理服务器中创建容器。
我跑:
hack/local-up-cluster.sh
然后(在另一个终端中):
cluster/kubectl.sh config set-cluster local --server=http://127.0.0.1:8080 --insecure-skip-tls-verify=true
cluster/kubectl.sh config set-context local --cluster=local
cluster/kubectl.sh config use-context local
和:
cluster/kubectl.sh create -f run-aii.yaml
我的run-aii.yaml:
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: aii
spec:
replicas: 1
template:
metadata:
labels:
run: aii
spec:
containers:
- name: aii
image: localhost:5000/dev/aii
ports:
- containerPort: 5144
env:
- name: KAFKA_IP
value: kafka
volumeMounts:
- mountPath: /root/script
name: scripts-data
readOnly: true
- mountPath: /home/aii/core
name: core-aii
readOnly: false
- mountPath: /home/aii/genome
name: genome-aii
readOnly: true
- mountPath: /home/aii/main
name: main-aii
readOnly: false
- name: kafka
image: localhost:5000/dev/kafkazoo
volumeMounts:
- mountPath: /root/script
name: scripts-data
readOnly: true
- mountPath: /root/config
name: config-data
readOnly: true
volumes:
- name: scripts-data
hostPath:
path: /home/aii/general/infra/script
- name: config-data
hostPath:
path: /home/aii/general/infra/config
- name: core-aii
hostPath:
path: /home/aii/general/core
- name: genome-aii
hostPath:
path: /home/aii/general/genome
- name: main-aii
hostPath:
path: /home/aii/general/main
- mountPath: /home/aii/main
name: main-aii
readOnly: false
- name: kafka
image: localhost:5000/dev/kafkazoo
volumeMounts:
- mountPath: /root/script
name: scripts-data
readOnly: true
- mountPath: /root/config
name: config-data
readOnly: true
volumes:
- name: scripts-data
hostPath:
path: /home/aii/general/infra/script
- name: config-data
hostPath:
path: /home/aii/general/infra/config
- name: core-aii
hostPath:
path: /home/aii/general/core
- name: genome-aii
hostPath:
path: /home/aii/general/genome
- name: main-aii
hostPath:
path: /home/aii/general/main
附加信息:
[aii@localhost kubernetes]$ cluster/kubectl.sh get pod
NAME READY STATUS RESTARTS AGE
aii-3934754246-yilg3 2/2 Running 0 59s
[aii@localhost kubernetes]$ cluster/kubectl.sh describe pod aii-3934754246-yilg3
Name: aii-3934754246-yilg3
Namespace: default
Node: 127.0.0.1/127.0.0.1
Start Time: Sun, 29 May 2016 16:58:20 +0300
Labels: pod-template-hash=3934754246,run=aii
Status: Running
IP: 172.17.0.4
Controllers: ReplicaSet/aii-3934754246
Containers:
aii:
Container ID: docker://71609cfd8e33c01a81a36770d12d884443a12b4c2969b95e3042d9dee4fb455b
Image: localhost:5000/dev/aii
Image ID: docker://sha256:7e70fbb724962b2f23c9439a1c00356deb551fd96ffd27a8afa6340fc903e735
Port: 5144/TCP
QoS Tier:
memory: BestEffort
cpu: BestEffort
State: Running
Started: Sun, 29 May 2016 16:58:23 +0300
Ready: True
Restart Count: 0
Environment Variables:
KAFKA_IP: kafka
kafka:
Container ID: docker://6eb891e5968cf1106b26a9f3f7db881683a8e15dd59b1858435715580c90656c
Image: localhost:5000/dev/kafkazoo
Image ID: docker://sha256:b78e60582cbc8d3c4946807baf59552d110c7802c8204157e6fba509b96bc11c
Port:
QoS Tier:
cpu: BestEffort
memory: BestEffort
State: Running
Started: Sun, 29 May 2016 16:58:24 +0300
Ready: True
Restart Count: 0
Environment Variables:
Conditions:
Type Status
Ready True
Volumes:
scripts-data:
Type: HostPath (bare host directory volume)
Path: /home/aii/general/infra/script
config-data:
Type: HostPath (bare host directory volume)
Path: /home/aii/general/infra/config
core-aii:
Type: HostPath (bare host directory volume)
Path: /home/aii/general/core
genome-aii:
Type: HostPath (bare host directory volume)
Path: /home/aii/general/genome
main-aii:
Type: HostPath (bare host directory volume)
Path: /home/aii/general/main
default-token-5z9rd:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-5z9rd
Events:
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
1m 1m 1 {default-scheduler } Normal Scheduled Successfully assigned aii-3934754246-yilg3 to 127.0.0.1
1m 1m 1 {kubelet 127.0.0.1} spec.containers{aii} Normal Pulling pulling image "localhost:5000/dev/aii"
1m 1m 1 {kubelet 127.0.0.1} spec.containers{aii} Normal Pulled Successfully pulled image "localhost:5000/dev/aii"
1m 1m 1 {kubelet 127.0.0.1} spec.containers{aii} Normal Created Created container with docker id 71609cfd8e33
1m 1m 1 {kubelet 127.0.0.1} spec.containers{aii} Normal Started Started container with docker id 71609cfd8e33
1m 1m 1 {kubelet 127.0.0.1} spec.containers{kafka} Normal Pulling pulling image "localhost:5000/dev/kafkazoo"
1m 1m 1 {kubelet 127.0.0.1} spec.containers{kafka} Normal Pulled Successfully pulled image "localhost:5000/dev/kafkazoo"
1m 1m 1 {kubelet 127.0.0.1} spec.containers{kafka} Normal Created Created container with docker id 6eb891e5968c
1m 1m 1 {kubelet 127.0.0.1} spec.containers{kafka} Normal Started Started container with docker id 6eb891e5968c
最佳答案
听起来好像您想设置一个多节点集群，有很多方法可以做到(http://kubernetes.io/docs/getting-started-guides/)。
如果您希望在计算机上使用本地解决方案，那么无所事事的方式或docker的方式都非常简单。
如果要寻找云，那么GCE是下一个最简单的(https://cloud.google.com/container-engine/)。
一旦完成了多节点集群的设置，那么当您部署Pod时，它将被调度到集群中的一个节点上。
上面给出的 list 是唯一需要注意的陷阱，因为所有卷挂载都使用HostPaths。当您知道运行Pod的计算机时，这很好，但是，您应该从中抽象出来。
为了更好地解决问题，您需要研究一些与主机无关的持久卷。但现在，您可以使其正常运行。 =)
关于docker - kubernetes设置所有物理节点的列表，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/37511020/