Metallb LoadBalancer被挂起
Metallb LoadBalancer被挂起
提问于 2021-02-09 17:57:31
我正在尝试设置一个裸金属Kubernetes服务器，包括金属LoadBalancer。因此，我遵循了发布在https://kind.sigs.k8s.io/docs/user/loadbalancer/项目网站上的说明。为了测试我的安装，我尝试部署默认的nginx web服务器并通过浏览器到达它。不幸的是，所创建的LoadBalancer类型的服务被困在EXTERNAL IP <Pending>上。我会尽可能多地附上资料。我希望有人能帮我解决这个问题。如果您需要更多的信息请告诉我。
，这就是我所做的：
根据https://kind.sigs.k8s.io/docs/user/loadbalancer/
- Created安装metallb LoadBalancer，通过
kubectl create deployment nginx --image nginx
- Created进行nginx部署，提供相应的服务
kubectl expose deployment/nginx --type="LoadBalancer" --port 8080
输出
版本和节点
$ kubectl version --short
Client Version: v1.20.2
Server Version: v1.20.2
$ kubectl get nodes -o wide
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
gemini Ready control-plane,master 3d v1.20.2 192.168.2.203 <none> Ubuntu 20.10 5.8.0-1013-raspi docker://19.3.13
phoenix Ready <none> 2d23h v1.20.2 192.168.2.129 <none> Ubuntu 20.10 5.8.0-1013-raspi docker://19.3.13
taurus Ready <none> 2d23h v1.20.2 192.168.2.201 <none> Ubuntu 20.10 5.8.0-1013-raspi docker://19.3.13
virgo Ready <none> 2d23h v1.20.2 192.168.2.202 <none> Ubuntu 20.10 5.8.0-1013-raspi docker://19.3.13所有名称空间
$ kubectl get all --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
default pod/nginx-6799fc88d8-62cjd 1/1 Running 0 59m
kube-system pod/calico-kube-controllers-86bddfcff-ccrhg 1/1 Running 5 3d
kube-system pod/calico-node-djt5s 0/1 CrashLoopBackOff 1007 3d
kube-system pod/calico-node-jddnl 1/1 Running 3 3d
kube-system pod/calico-node-nxwlw 1/1 Running 5 3d
kube-system pod/calico-node-zrxzl 1/1 Running 3 3d
kube-system pod/coredns-74ff55c5b-kb2nm 1/1 Running 5 3d1h
kube-system pod/coredns-74ff55c5b-wsgs5 1/1 Running 5 3d1h
kube-system pod/etcd-gemini 1/1 Running 6 3d1h
kube-system pod/kube-apiserver-gemini 1/1 Running 6 3d1h
kube-system pod/kube-controller-manager-gemini 1/1 Running 6 3d1h
kube-system pod/kube-proxy-7fcjz 1/1 Running 6 3d1h
kube-system pod/kube-proxy-84rr7 1/1 Running 3 3d
kube-system pod/kube-proxy-lc88w 1/1 Running 3 3d
kube-system pod/kube-proxy-v4qd9 1/1 Running 3 3d
kube-system pod/kube-scheduler-gemini 1/1 Running 6 3d1h
kubernetes-dashboard pod/dashboard-metrics-scraper-79c5968bdc-mlb4s 1/1 Running 5 3d
kubernetes-dashboard pod/kubernetes-dashboard-7448ffc97b-nq5c9 1/1 Running 5 3d
metallb-system pod/controller-5c797bc4f8-2zx7l 1/1 Running 0 101m
metallb-system pod/speaker-5kxc9 1/1 Running 0 101m
metallb-system pod/speaker-b6lbh 1/1 Running 0 101m
metallb-system pod/speaker-c8sr7 1/1 Running 0 101m
metallb-system pod/speaker-fwbgt 1/1 Running 1 101m
NAMESPACE NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
default service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 23h
default service/nginx LoadBalancer 10.110.25.14 <pending> 8080:30444/TCP 24m
kube-system service/calico-etcd ClusterIP 10.96.232.136 <none> 6666/TCP 3d
kube-system service/calico-typha ClusterIP 10.109.108.233 <none> 5473/TCP 3d
kube-system service/kube-dns ClusterIP 10.96.0.10 <none> 53/UDP,53/TCP,9153/TCP 3d1h
kubernetes-dashboard service/dashboard-metrics-scraper ClusterIP 10.110.70.52 <none> 8000/TCP 3d
kubernetes-dashboard service/kubernetes-dashboard NodePort 10.106.194.127 <none> 443:31741/TCP 3d
NAMESPACE NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
kube-system daemonset.apps/calico-node 4 4 3 4 3 kubernetes.io/os=linux 3d
kube-system daemonset.apps/kube-proxy 4 4 4 4 4 kubernetes.io/os=linux 3d1h
metallb-system daemonset.apps/speaker 4 4 4 4 4 kubernetes.io/os=linux 101m
NAMESPACE NAME READY UP-TO-DATE AVAILABLE AGE
default deployment.apps/nginx 1/1 1 1 59m
kube-system deployment.apps/calico-kube-controllers 1/1 1 1 3d
kube-system deployment.apps/coredns 2/2 2 2 3d1h
kubernetes-dashboard deployment.apps/dashboard-metrics-scraper 1/1 1 1 3d
kubernetes-dashboard deployment.apps/kubernetes-dashboard 1/1 1 1 3d
metallb-system deployment.apps/controller 1/1 1 1 101m
NAMESPACE NAME DESIRED CURRENT READY AGE
default replicaset.apps/nginx-6799fc88d8 1 1 1 59m
kube-system replicaset.apps/calico-kube-controllers-56b44cd6d5 0 0 0 3d
kube-system replicaset.apps/calico-kube-controllers-86bddfcff 1 1 1 3d
kube-system replicaset.apps/coredns-74ff55c5b 2 2 2 3d1h
kubernetes-dashboard replicaset.apps/dashboard-metrics-scraper-79c5968bdc 1 1 1 3d
kubernetes-dashboard replicaset.apps/kubernetes-dashboard-7448ffc97b 1 1 1 3d
metallb-system replicaset.apps/controller-5c797bc4f8 1 1 1 101m名称空间默认值：
$ kubectl get all
NAME READY STATUS RESTARTS AGE
pod/nginx-6799fc88d8-62cjd 1/1 Running 0 29m
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 23h
service/nginx LoadBalancer 10.110.25.14 <pending> 8080:30444/TCP 29m
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/nginx 1/1 1 1 29m
NAME DESIRED CURRENT READY AGE
replicaset.apps/nginx-6799fc88d8 1 1 1 29m命名空间metallb-system：
$ kubectl get all -n metallb-system
NAME READY STATUS RESTARTS AGE
pod/controller-5c797bc4f8-2zx7l 1/1 Running 0 73m
pod/speaker-5kxc9 1/1 Running 0 73m
pod/speaker-b6lbh 1/1 Running 0 73m
pod/speaker-c8sr7 1/1 Running 0 73m
pod/speaker-fwbgt 1/1 Running 1 73m
NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
daemonset.apps/speaker 4 4 4 4 4 kubernetes.io/os=linux 73m
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/controller 1/1 1 1 73m
NAME DESIRED CURRENT READY AGE
replicaset.apps/controller-5c797bc4f8 1 1 1 73m配置映射
$ kubectl describe configmap config -n metallb-system
Name: config
Namespace: metallb-system
Labels: <none>
Annotations: <none>
Data
====
config:
----
address-pools:
- name: default
protocol: layer2
addresses:
- 192.168.2.210-192.168.2.250
Events: <none>库贝代理
$ kubectl describe configmap -n kube-system kube-proxy
Name: kube-proxy
Namespace: kube-system
Labels: app=kube-proxy
Annotations: kubeadm.kubernetes.io/component-config.hash: sha256:038b6c93b0ae1da89eb9c0c589c8e3439e9c91b849975435c29f905041b9b9fc
Data
====
config.conf:
----
apiVersion: kubeproxy.config.k8s.io/v1alpha1
bindAddress: 0.0.0.0
bindAddressHardFail: false
clientConnection:
acceptContentTypes: ""
burst: 0
contentType: ""
kubeconfig: /var/lib/kube-proxy/kubeconfig.conf
qps: 0
clusterCIDR: 192.168.0.0/16
configSyncPeriod: 0s
conntrack:
maxPerCore: null
min: null
tcpCloseWaitTimeout: null
tcpEstablishedTimeout: null
detectLocalMode: ""
enableProfiling: false
healthzBindAddress: ""
hostnameOverride: ""
iptables:
masqueradeAll: false
masqueradeBit: null
minSyncPeriod: 0s
syncPeriod: 0s
ipvs:
excludeCIDRs: null
minSyncPeriod: 0s
scheduler: ""
strictARP: true
syncPeriod: 0s
tcpFinTimeout: 0s
tcpTimeout: 0s
udpTimeout: 0s
kind: KubeProxyConfiguration
metricsBindAddress: ""
mode: ""
nodePortAddresses: null
oomScoreAdj: null
portRange: ""
showHiddenMetricsForVersion: ""
udpIdleTimeout: 0s
winkernel:
enableDSR: false
networkName: ""
sourceVip: ""
kubeconfig.conf:
----
apiVersion: v1
kind: Config
clusters:
- cluster:
certificate-authority: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
server: https://192.168.2.203:6443
name: default
contexts:
- context:
cluster: default
namespace: default
user: default
name: default
current-context: default
users:
- name: default
user:
tokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
Events: <none>金属控制器和音箱之一
$ kubectl describe pods -n metallb-system
Name: controller-5c797bc4f8-2zx7l
Namespace: metallb-system
Priority: 0
Node: virgo/192.168.2.202
Start Time: Tue, 09 Feb 2021 14:10:16 +0000
Labels: app=metallb
component=controller
pod-template-hash=5c797bc4f8
Annotations: cni.projectcalico.org/podIP: 192.168.9.246/32
cni.projectcalico.org/podIPs: 192.168.9.246/32
prometheus.io/port: 7472
prometheus.io/scrape: true
Status: Running
IP: 192.168.9.246
IPs:
IP: 192.168.9.246
Controlled By: ReplicaSet/controller-5c797bc4f8
Containers:
controller:
Container ID: docker://b10ee06c88facfc97fcd246bcd214c746deea60073dc8928f478c89ca3a4feb9
Image: quay.io/metallb/controller:main
Image ID: docker-pullable://quay.io/metallb/controller@sha256:1e1a1bd75cebcecfe84db28c9a8605caeac3e30e57905185822c79fc00e5dcaf
Port: 7472/TCP
Host Port: 0/TCP
Args:
--port=7472
--config=config
State: Running
Started: Tue, 09 Feb 2021 14:10:43 +0000
Ready: True
Restart Count: 0
Limits:
cpu: 100m
memory: 100Mi
Requests:
cpu: 100m
memory: 100Mi
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from controller-token-ghmtk (ro)
Conditions:
Type Status
Initialized True
Ready True
ContainersReady True
PodScheduled True
Volumes:
controller-token-ghmtk:
Type: Secret (a volume populated by a Secret)
SecretName: controller-token-ghmtk
Optional: false
QoS Class: Guaranteed
Node-Selectors: kubernetes.io/os=linux
Tolerations: node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 89m default-scheduler Successfully assigned metallb-system/controller-5c797bc4f8-2zx7l to virgo
Normal Pulling 89m kubelet Pulling image "quay.io/metallb/controller:main"
Normal Pulled 89m kubelet Successfully pulled image "quay.io/metallb/controller:main" in 23.412886883s
Normal Created 89m kubelet Created container controller
Normal Started 89m kubelet Started container controller
Name: speaker-5kxc9
Namespace: metallb-system
Priority: 0
Node: taurus/192.168.2.201
Start Time: Tue, 09 Feb 2021 14:10:16 +0000
Labels: app=metallb
component=speaker
controller-revision-hash=7548d88c64
pod-template-generation=1
Annotations: prometheus.io/port: 7472
prometheus.io/scrape: true
Status: Running
IP: 192.168.2.201
IPs:
IP: 192.168.2.201
Controlled By: DaemonSet/speaker
Containers:
speaker:
Container ID: docker://e5ff811c47191f67c7089ce2464abff4fb8e4d3084f8053eb591c9d21e9a2276
Image: quay.io/metallb/speaker:main
Image ID: docker-pullable://quay.io/metallb/speaker@sha256:90a8cbdd543870e7db841a49743f3d8cd72b7074b5299086e09c5c1d92331eb4
Port: 7472/TCP
Host Port: 7472/TCP
Args:
--port=7472
--config=config
State: Running
Started: Tue, 09 Feb 2021 14:10:33 +0000
Ready: True
Restart Count: 0
Limits:
cpu: 100m
memory: 100Mi
Requests:
cpu: 100m
memory: 100Mi
Environment:
METALLB_NODE_NAME: (v1:spec.nodeName)
METALLB_HOST: (v1:status.hostIP)
METALLB_ML_BIND_ADDR: (v1:status.podIP)
METALLB_ML_LABELS: app=metallb,component=speaker
METALLB_ML_NAMESPACE: metallb-system (v1:metadata.namespace)
METALLB_ML_SECRET_KEY: <set to the key 'secretkey' in secret 'memberlist'> Optional: false
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from speaker-token-xfz9p (ro)
Conditions:
Type Status
Initialized True
Ready True
ContainersReady True
PodScheduled True
Volumes:
speaker-token-xfz9p:
Type: Secret (a volume populated by a Secret)
SecretName: speaker-token-xfz9p
Optional: false
QoS Class: Guaranteed
Node-Selectors: kubernetes.io/os=linux
Tolerations: node-role.kubernetes.io/master:NoSchedule
node.kubernetes.io/disk-pressure:NoSchedule op=Exists
node.kubernetes.io/memory-pressure:NoSchedule op=Exists
node.kubernetes.io/network-unavailable:NoSchedule op=Exists
node.kubernetes.io/not-ready:NoExecute op=Exists
node.kubernetes.io/pid-pressure:NoSchedule op=Exists
node.kubernetes.io/unreachable:NoExecute op=Exists
node.kubernetes.io/unschedulable:NoSchedule op=Exists
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 89m default-scheduler Successfully assigned metallb-system/speaker-5kxc9 to taurus
Normal Pulling 89m kubelet Pulling image "quay.io/metallb/speaker:main"
Normal Pulled 89m kubelet Successfully pulled image "quay.io/metallb/speaker:main" in 14.647284366s
Normal Created 89m kubelet Created container speaker
Normal Started 89m kubelet Started container speaker
Warning DNSConfigForming 4m14s (x71 over 89m) kubelet Nameserver limits were exceeded, some nameservers have been omitted, the applied nameserver line is: 8.8.8.8 1.1.1.1 192.168.2.1回答 3
Stack Overflow用户
发布于 2021-03-03 04:50:50
MetalLB控制器的问题。我也面临着这个问题，因为我的行动再次再现了MetalLB。参考：https://github.com/metallb/metallb/issues/673
删除
kubectl delete -f https://raw.githubusercontent.com/metallb/metallb/v0.9.5/manifests/metallb.yaml
kubectl delete -f metallb-configMap.yaml安装
kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.9.5/manifests/metallb.yaml
kubectl apply -f metallb-configMap.yaml不要担心分配给IP的现有服务。当您删除MetalLB控制器时，该服务仍然可以正常工作。
Stack Overflow用户
发布于 2021-02-09 19:41:40
您创建的metallb配置映射似乎存在一个问题。在地址池部分中，您已经将分配的IP范围称为192.168.2.210 - 192.168.250，这是错误的，因为第二个IP不是有效的IP (192.168.250不是有效的IP地址)。
请使用以下命令编辑configmap，
$ kubectl edit configmap config -n metallb-system并将范围更正为192.168.2.210 - 192.168.2.250。然后删除该服务并再次创建它。如果它仍然失败，那么将它再次发送到这个线程。希望这会有所帮助:)
Stack Overflow用户
发布于 2022-03-11 00:16:35
我也遵循了友好的文档，使用母版的metallb。我的集群是1.21.1，通过使用特定版本的metallb (即v0.10 )使LB工作。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/66124430
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