Re: Attempting to install Strimzi/Kafka on my microk8s cluster
tfv01@...
Thank you Jakub, appreciate your response!
I'm not exactly sure I understand how to check if each node is "reachable", but here is the output of "kubectl describe nodes", and I don't know if the fact that all three Pis are listed means that they are in-fact reachable.
-Tim
ubuntu@pi4-01:~$ microk8s kubectl describe nodes
I'm not exactly sure I understand how to check if each node is "reachable", but here is the output of "kubectl describe nodes", and I don't know if the fact that all three Pis are listed means that they are in-fact reachable.
-Tim
ubuntu@pi4-01:~$ microk8s kubectl describe nodes
Name: pi4-01
Roles: <none>
Labels: beta.kubernetes.io/arch=arm64
beta.kubernetes.io/os=linux
kubernetes.io/arch=arm64
kubernetes.io/hostname=pi4-01
kubernetes.io/os=linux
microk8s.io/cluster=true
Annotations: node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Mon, 05 Jul 2021 22:02:48 +0000
Taints: <none>
Unschedulable: false
Lease:
HolderIdentity: pi4-01
AcquireTime: <unset>
RenewTime: Sat, 07 May 2022 23:34:18 +0000
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure False Sat, 07 May 2022 23:29:57 +0000 Mon, 05 Jul 2021 22:02:46 +0000 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Sat, 07 May 2022 23:29:57 +0000 Mon, 05 Jul 2021 22:02:46 +0000 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Sat, 07 May 2022 23:29:57 +0000 Mon, 05 Jul 2021 22:02:46 +0000 KubeletHasSufficientPID kubelet has sufficient PID available
Ready True Sat, 07 May 2022 23:29:57 +0000 Sat, 07 May 2022 21:18:54 +0000 KubeletReady kubelet is posting ready status. AppArmor enabled
Addresses:
InternalIP: 10.0.0.10
Hostname: pi4-01
Capacity:
cpu: 4
ephemeral-storage: 245747040Ki
memory: 7998736Ki
pods: 110
Allocatable:
cpu: 4
ephemeral-storage: 244698464Ki
memory: 7896336Ki
pods: 110
System Info:
Machine ID: b4d5f79c8636436cbd291ba7ac7f14c9
System UUID: b4d5f79c8636436cbd291ba7ac7f14c9
Boot ID: 3e28585a-dceb-4793-8425-f9d80f92a939
Kernel Version: 5.4.0-1052-raspi
OS Image: Ubuntu 20.04.2 LTS
Operating System: linux
Architecture: arm64
Container Runtime Version: containerd://1.2.5
Kubelet Version: v1.18.20
Kube-Proxy Version: v1.18.20
Non-terminated Pods: (10 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
default zookeeper-deployment-1-6c88c95964-496xq 0 (0%) 0 (0%) 0 (0%) 0 (0%) 11d
ingress nginx-ingress-microk8s-controller-jmkgb 0 (0%) 0 (0%) 0 (0%) 0 (0%) 306d
kafka strimzi-cluster-operator-74f9f5d7c7-gs5df 200m (5%) 1 (25%) 384Mi (4%) 384Mi (4%) 4h3m
kube-system coredns-588fd544bf-x9jxf 100m (2%) 0 (0%) 70Mi (0%) 170Mi (2%) 306d
kube-system dashboard-metrics-scraper-db65b9c6f-cq2t8 0 (0%) 0 (0%) 0 (0%) 0 (0%) 306d
kube-system heapster-v1.5.2-5bc67ff868-2tkbf 100m (2%) 100m (2%) 184720Ki (2%) 184720Ki (2%) 306d
kube-system kubernetes-dashboard-c5b698784-wnfqj 0 (0%) 0 (0%) 0 (0%) 0 (0%) 306d
kube-system monitoring-influxdb-grafana-v4-6cc44d985f-qstsn 200m (5%) 200m (5%) 600Mi (7%) 600Mi (7%) 306d
metallb-system controller-55d8b88d7f-tkvzq 100m (2%) 100m (2%) 100Mi (1%) 100Mi (1%) 17d
metallb-system speaker-ms5z4 100m (2%) 100m (2%) 100Mi (1%) 100Mi (1%) 124d
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 800m (20%) 1500m (37%)
memory 1468816Ki (18%) 1571216Ki (19%)
ephemeral-storage 0 (0%) 0 (0%)
Events: <none>
Name: pi4-02
Roles: <none>
Labels: beta.kubernetes.io/arch=arm64
beta.kubernetes.io/os=linux
kubernetes.io/arch=arm64
kubernetes.io/hostname=pi4-02
kubernetes.io/os=linux
microk8s.io/cluster=true
Annotations: node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Mon, 05 Jul 2021 23:02:47 +0000
Taints: node.kubernetes.io/unreachable:NoSchedule
Unschedulable: false
Lease:
HolderIdentity: pi4-02
AcquireTime: <unset>
RenewTime: Fri, 25 Feb 2022 05:08:28 +0000
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure Unknown Fri, 25 Feb 2022 05:07:09 +0000 Fri, 25 Feb 2022 05:12:44 +0000 NodeStatusUnknown Kubelet stopped posting node status.
DiskPressure Unknown Fri, 25 Feb 2022 05:07:09 +0000 Fri, 25 Feb 2022 05:12:44 +0000 NodeStatusUnknown Kubelet stopped posting node status.
PIDPressure Unknown Fri, 25 Feb 2022 05:07:09 +0000 Fri, 25 Feb 2022 05:12:44 +0000 NodeStatusUnknown Kubelet stopped posting node status.
Ready Unknown Fri, 25 Feb 2022 05:07:09 +0000 Fri, 25 Feb 2022 05:12:44 +0000 NodeStatusUnknown Kubelet stopped posting node status.
Addresses:
InternalIP: 10.0.0.11
Hostname: pi4-02
Capacity:
cpu: 4
ephemeral-storage: 245617500Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
hugepages-32Mi: 0
hugepages-64Ki: 0
memory: 7997148Ki
pods: 110
Allocatable:
cpu: 4
ephemeral-storage: 244568924Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
hugepages-32Mi: 0
hugepages-64Ki: 0
memory: 7894748Ki
pods: 110
System Info:
Machine ID: 37c8b0e6c19c4bc09f1aace54cd91d55
System UUID: 37c8b0e6c19c4bc09f1aace54cd91d55
Boot ID: 02cb905f-359b-4584-b2c6-d20953e07322
Kernel Version: 5.11.0-1023-raspi
OS Image: Ubuntu 21.04
Operating System: linux
Architecture: arm64
Container Runtime Version: containerd://1.2.5
Kubelet Version: v1.18.20
Kube-Proxy Version: v1.18.20
Non-terminated Pods: (5 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
default kafka-broker0-86669885c5-xshms 0 (0%) 0 (0%) 0 (0%) 0 (0%) 90d
default nginx 0 (0%) 0 (0%) 0 (0%) 0 (0%) 125d
default zookeeper-deploy-7f5bb9785f-2tqf8 0 (0%) 0 (0%) 0 (0%) 0 (0%) 90d
ingress nginx-ingress-microk8s-controller-wzbnf 0 (0%) 0 (0%) 0 (0%) 0 (0%) 306d
metallb-system speaker-86pmc 100m (2%) 100m (2%) 100Mi (1%) 100Mi (1%) 124d
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 100m (2%) 100m (2%)
memory 100Mi (1%) 100Mi (1%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-1Gi 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
hugepages-32Mi 0 (0%) 0 (0%)
hugepages-64Ki 0 (0%) 0 (0%)
Events: <none>
Name: pi4-03
Roles: <none>
Labels: beta.kubernetes.io/arch=arm64
beta.kubernetes.io/os=linux
kubernetes.io/arch=arm64
kubernetes.io/hostname=pi4-03
kubernetes.io/os=linux
microk8s.io/cluster=true
Annotations: node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Mon, 05 Jul 2021 23:03:01 +0000
Taints: node.kubernetes.io/unreachable:NoSchedule
Unschedulable: false
Lease:
HolderIdentity: pi4-03
AcquireTime: <unset>
RenewTime: Fri, 25 Feb 2022 05:08:24 +0000
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure Unknown Fri, 25 Feb 2022 05:03:45 +0000 Fri, 25 Feb 2022 05:12:44 +0000 NodeStatusUnknown Kubelet stopped posting node status.
DiskPressure Unknown Fri, 25 Feb 2022 05:03:45 +0000 Fri, 25 Feb 2022 05:12:44 +0000 NodeStatusUnknown Kubelet stopped posting node status.
PIDPressure Unknown Fri, 25 Feb 2022 05:03:45 +0000 Fri, 25 Feb 2022 05:12:44 +0000 NodeStatusUnknown Kubelet stopped posting node status.
Ready Unknown Fri, 25 Feb 2022 05:03:45 +0000 Fri, 25 Feb 2022 05:12:44 +0000 NodeStatusUnknown Kubelet stopped posting node status.
Addresses:
InternalIP: 10.0.0.12
Hostname: pi4-03
Capacity:
cpu: 4
ephemeral-storage: 245617500Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
hugepages-32Mi: 0
hugepages-64Ki: 0
memory: 7997148Ki
pods: 110
Allocatable:
cpu: 4
ephemeral-storage: 244568924Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
hugepages-32Mi: 0
hugepages-64Ki: 0
memory: 7894748Ki
pods: 110
System Info:
Machine ID: 5f870ea041464a25a73f93fb37cec85c
System UUID: 5f870ea041464a25a73f93fb37cec85c
Boot ID: 15e11c9e-4674-45c7-ac7f-021e83a17eff
Kernel Version: 5.11.0-1023-raspi
OS Image: Ubuntu 21.04
Operating System: linux
Architecture: arm64
Container Runtime Version: containerd://1.2.5
Kubelet Version: v1.18.20
Kube-Proxy Version: v1.18.20
Non-terminated Pods: (5 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
default kafka-broker0-86669885c5-9k6f6 0 (0%) 0 (0%) 0 (0%) 0 (0%) 90d
default nginx-f89759699-8zm68 0 (0%) 0 (0%) 0 (0%) 0 (0%) 124d
default zookeeper-deploy-7f5bb9785f-4j8kt 0 (0%) 0 (0%) 0 (0%) 0 (0%) 90d
ingress nginx-ingress-microk8s-controller-p6c9q 0 (0%) 0 (0%) 0 (0%) 0 (0%) 306d
metallb-system speaker-h28vg 100m (2%) 100m (2%) 100Mi (1%) 100Mi (1%) 124d
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 100m (2%) 100m (2%)
memory 100Mi (1%) 100Mi (1%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-1Gi 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
hugepages-32Mi 0 (0%) 0 (0%)
hugepages-64Ki 0 (0%) 0 (0%)
Events: <none>
Name: ubuntu
Roles: <none>
Labels: beta.kubernetes.io/arch=arm64
beta.kubernetes.io/os=linux
kubernetes.io/arch=arm64
kubernetes.io/hostname=ubuntu
kubernetes.io/os=linux
microk8s.io/cluster=true
Annotations: node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Mon, 05 Jul 2021 14:20:11 +0000
Taints: node.kubernetes.io/unreachable:NoSchedule
Unschedulable: false
Lease:
HolderIdentity: ubuntu
AcquireTime: <unset>
RenewTime: Mon, 05 Jul 2021 22:03:34 +0000
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure Unknown Mon, 05 Jul 2021 22:02:48 +0000 Mon, 05 Jul 2021 22:04:56 +0000 NodeStatusUnknown Kubelet stopped posting node status.
DiskPressure Unknown Mon, 05 Jul 2021 22:02:48 +0000 Mon, 05 Jul 2021 22:04:56 +0000 NodeStatusUnknown Kubelet stopped posting node status.
PIDPressure Unknown Mon, 05 Jul 2021 22:02:48 +0000 Mon, 05 Jul 2021 22:04:56 +0000 NodeStatusUnknown Kubelet stopped posting node status.
Ready Unknown Mon, 05 Jul 2021 22:02:48 +0000 Mon, 05 Jul 2021 22:04:56 +0000 NodeStatusUnknown Kubelet stopped posting node status.
Addresses:
InternalIP: 10.0.0.11
Hostname: ubuntu
Capacity:
cpu: 4
ephemeral-storage: 245617500Ki
memory: 7997276Ki
pods: 110
Allocatable:
cpu: 4
ephemeral-storage: 244568924Ki
memory: 7894876Ki
pods: 110
System Info:
Machine ID: 37c8b0e6c19c4bc09f1aace54cd91d55
System UUID: 37c8b0e6c19c4bc09f1aace54cd91d55
Boot ID: 4aac5c6b-db60-4468-85e9-b5ef13b1e9f4
Kernel Version: 5.11.0-1007-raspi
OS Image: Ubuntu 21.04
Operating System: linux
Architecture: arm64
Container Runtime Version: containerd://1.2.5
Kubelet Version: v1.18.19
Kube-Proxy Version: v1.18.19
Non-terminated Pods: (6 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
ingress nginx-ingress-microk8s-controller-bzx2x 0 (0%) 0 (0%) 0 (0%) 0 (0%) 306d
kube-system coredns-588fd544bf-ntgwl 100m (2%) 0 (0%) 70Mi (0%) 170Mi (2%) 306d
kube-system dashboard-metrics-scraper-db65b9c6f-rl8l2 0 (0%) 0 (0%) 0 (0%) 0 (0%) 306d
kube-system heapster-v1.5.2-5bc67ff868-hl5kp 100m (2%) 100m (2%) 184720Ki (2%) 184720Ki (2%) 306d
kube-system kubernetes-dashboard-c5b698784-55rhq 0 (0%) 0 (0%) 0 (0%) 0 (0%) 306d
kube-system monitoring-influxdb-grafana-v4-6cc44d985f-2p4gd 200m (5%) 200m (5%) 600Mi (7%) 600Mi (7%) 306d
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 400m (10%) 300m (7%)
memory 870800Ki (11%) 973200Ki (12%)
ephemeral-storage 0 (0%) 0 (0%)
Events: <none>