44-【kubernetes】kubernetes集群中，如何安装weave命令+如何安装weave插件+如何修改weave的默认网段(10.32.0.0/12)

一、weave网络插件的默认网段

10.32.0.0/12

二、如何查看weave的启动参数

三、如何安装weave命令

1、下载weave的二进制文件：

（1）首先：
0.80版本：
#wget -O /usr/local/bin/weave https://raw.githubusercontent.com/zettio/weave/master/weave
0.70版本
#yum install -y conntrack-tools
#wget -O /usr/local/bin/weave https://github.com/zettio/weave/releases/download/v0.7.0/weave（2）然后：
#chmod a+x /usr/local/bin/weave

2、通过weave setup预先将weave相关的容器Image下载到各个节点

weave setup

四、weav的相关命令

https://www.cnblogs.com/xiangsikai/p/9900811.html

五、如何安装weave插件

[root@master-binary ~]# vim net.yaml
apiVersion: v1
kind: List
items:- apiVersion: v1kind: ServiceAccountmetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netnamespace: kube-system- apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRolemetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netrules:- apiGroups:- ''resources:- pods- namespaces- nodesverbs:- get- list- watch- apiGroups:- networking.k8s.ioresources:- networkpoliciesverbs:- get- list- watch- apiGroups:- ''resources:- nodes/statusverbs:- patch- update- apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRoleBindingmetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netroleRef:kind: ClusterRolename: weave-netapiGroup: rbac.authorization.k8s.iosubjects:- kind: ServiceAccountname: weave-netnamespace: kube-system- apiVersion: rbac.authorization.k8s.io/v1kind: Rolemetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netnamespace: kube-systemrules:- apiGroups:- ''resourceNames:- weave-netresources:- configmapsverbs:- get- update- apiGroups:- ''resources:- configmapsverbs:- create- apiVersion: rbac.authorization.k8s.io/v1kind: RoleBindingmetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netnamespace: kube-systemroleRef:kind: Rolename: weave-netapiGroup: rbac.authorization.k8s.iosubjects:- kind: ServiceAccountname: weave-netnamespace: kube-system- apiVersion: apps/v1kind: DaemonSetmetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netnamespace: kube-systemspec:minReadySeconds: 5selector:matchLabels:name: weave-nettemplate:metadata:labels:name: weave-netspec:containers:- name: weavecommand:- /home/weave/launch.shenv:- name: HOSTNAMEvalueFrom:fieldRef:apiVersion: v1fieldPath: spec.nodeNameimage: 'docker.io/weaveworks/weave-kube:2.7.0'readinessProbe:httpGet:host: 127.0.0.1path: /statusport: 6784resources:requests:cpu: 50mmemory: 100MisecurityContext:privileged: truevolumeMounts:- name: weavedbmountPath: /weavedb- name: cni-binmountPath: /host/opt- name: cni-bin2mountPath: /host/home- name: cni-confmountPath: /host/etc- name: dbusmountPath: /host/var/lib/dbus- name: lib-modulesmountPath: /lib/modules- name: xtables-lockmountPath: /run/xtables.lock- name: weave-npcenv:- name: HOSTNAMEvalueFrom:fieldRef:apiVersion: v1fieldPath: spec.nodeNameimage: 'docker.io/weaveworks/weave-npc:2.7.0'resources:requests:cpu: 50mmemory: 100MisecurityContext:privileged: truevolumeMounts:- name: xtables-lockmountPath: /run/xtables.lockdnsPolicy: ClusterFirstWithHostNethostNetwork: truepriorityClassName: system-node-criticalrestartPolicy: AlwayssecurityContext:seLinuxOptions: {}serviceAccountName: weave-nettolerations:- effect: NoScheduleoperator: Exists- effect: NoExecuteoperator: Existsvolumes:- name: weavedbhostPath:path: /var/lib/weave- name: cni-binhostPath:path: /opt- name: cni-bin2hostPath:path: /home- name: cni-confhostPath:path: /etc- name: dbushostPath:path: /var/lib/dbus- name: lib-moduleshostPath:path: /lib/modules- name: xtables-lockhostPath:path: /run/xtables.locktype: FileOrCreateupdateStrategy:type: RollingUpdate[root@master-binary ~]# kubectl apply -f net.yaml

六、如何修改weave的默认网段(10.32.0.0/12)

1、在net.yaml文件中，添加如下内容：——参考：https://www.freesion.com/article/51031375901/

                - name: IPALLOC_RANGEvalue: 198.17.0.0/16         #定义Pod的网段

得到最终的net.yaml文件如下：

[root@master-binary ~]# vim net.yaml
apiVersion: v1
kind: List
items:- apiVersion: v1kind: ServiceAccountmetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netnamespace: kube-system- apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRolemetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netrules:- apiGroups:- ''resources:- pods- namespaces- nodesverbs:- get- list- watch- apiGroups:- networking.k8s.ioresources:- networkpoliciesverbs:- get- list- watch- apiGroups:- ''resources:- nodes/statusverbs:- patch- update- apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRoleBindingmetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netroleRef:kind: ClusterRolename: weave-netapiGroup: rbac.authorization.k8s.iosubjects:- kind: ServiceAccountname: weave-netnamespace: kube-system- apiVersion: rbac.authorization.k8s.io/v1kind: Rolemetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netnamespace: kube-systemrules:- apiGroups:- ''resourceNames:- weave-netresources:- configmapsverbs:- get- update- apiGroups:- ''resources:- configmapsverbs:- create- apiVersion: rbac.authorization.k8s.io/v1kind: RoleBindingmetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netnamespace: kube-systemroleRef:kind: Rolename: weave-netapiGroup: rbac.authorization.k8s.iosubjects:- kind: ServiceAccountname: weave-netnamespace: kube-system- apiVersion: apps/v1kind: DaemonSetmetadata:name: weave-netannotations:cloud.weave.works/launcher-info: |-{"original-request": {"url": "/k8s//v1.16/net.yaml","date": "Fri Dec 25 2020 11:59:01 GMT+0000 (UTC)"},"email-address": "support@weave.works"}labels:name: weave-netnamespace: kube-systemspec:minReadySeconds: 5selector:matchLabels:name: weave-nettemplate:metadata:labels:name: weave-netspec:containers:- name: weavecommand:- /home/weave/launch.shenv:- name: HOSTNAMEvalueFrom:fieldRef:apiVersion: v1fieldPath: spec.nodeName- name: IPALLOC_RANGE                                   #新增的内容value: 198.17.0.0/16                                  #新增的内容image: 'docker.io/weaveworks/weave-kube:2.7.0'readinessProbe:httpGet:host: 127.0.0.1path: /statusport: 6784resources:requests:cpu: 50mmemory: 100MisecurityContext:privileged: truevolumeMounts:- name: weavedbmountPath: /weavedb- name: cni-binmountPath: /host/opt- name: cni-bin2mountPath: /host/home- name: cni-confmountPath: /host/etc- name: dbusmountPath: /host/var/lib/dbus- name: lib-modulesmountPath: /lib/modules- name: xtables-lockmountPath: /run/xtables.lock- name: weave-npcenv:- name: HOSTNAMEvalueFrom:fieldRef:apiVersion: v1fieldPath: spec.nodeNameimage: 'docker.io/weaveworks/weave-npc:2.7.0'resources:requests:cpu: 50mmemory: 100MisecurityContext:privileged: truevolumeMounts:- name: xtables-lockmountPath: /run/xtables.lockdnsPolicy: ClusterFirstWithHostNethostNetwork: truepriorityClassName: system-node-criticalrestartPolicy: AlwayssecurityContext:seLinuxOptions: {}serviceAccountName: weave-nettolerations:- effect: NoScheduleoperator: Exists- effect: NoExecuteoperator: Existsvolumes:- name: weavedbhostPath:path: /var/lib/weave- name: cni-binhostPath:path: /opt- name: cni-bin2hostPath:path: /home- name: cni-confhostPath:path: /etc- name: dbushostPath:path: /var/lib/dbus- name: lib-moduleshostPath:path: /lib/modules- name: xtables-lockhostPath:path: /run/xtables.locktype: FileOrCreateupdateStrategy:type: RollingUpdate

2、删除原来的ds，重新apply——注意：这里不能直接apply，如果直接apply的话，那么"ip a | grep weave"查看到的weave网卡上的网段有两个（10.32.0.0/12【weave的默认网段】和198.17.0.1/16【修改后的weave网段】）

3、reboot，重启集群

4、重启成功之后，使用“ip a | grep weave”，查看修改后的IP网段

44-【kubernetes】kubernetes集群中，如何安装weave命令+如何安装weave插件+如何修改weave的默认网段(10.32.0.0/12)相关推荐

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