Kubernetes - 2022 sügis

Allikas: Imre kasutab arvutit
Redaktsioon seisuga 5. november 2022, kell 16:03 kasutajalt Imre (arutelu | kaastöö)
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Sissejuhatus

TODO

Rancher Management Cluster on Docker

Käivitamine 

docker run -d --restart=unless-stopped \
  -p 80:80 -p 443:443 \
  --privileged \
  rancher/rancher:latest

kus

  • TODO

Jälgida käivitumist, kulub mitu minutit 

root@tf-vm-1:~# docker logs -f practical_mcnulty

Seejärel pöörduda webgui haldusliidese poole, https://192.168.110.11/

Kasulikud lisamaterjalid

Node tekitamine

Node driver - https://github.com/lnxbil/docker-machine-driver-proxmox-ve/releases/download/v4/docker-machine-driver-proxmoxve.linux-amd64

https://github.com/rancher/os/releases aadressilt saab kopeerida

https://github.com/rancher/os/releases/download/v1.5.8/rancheros-proxmoxve-autoformat.iso

Template, defaultist erinevad

  • debugDriver - linnutada
  • debugResty - linnutada
  • provisionStrategy - cdrom
  • proxmoxHost - 192.168.110.250
  • proxmoxNode - pm-kns
  • proxmoxPool - vaiki
  • proxmoxRealm - pam
  • proxmoxUserName - root
  • proxmoxUserPassword - parool
  • sshPassword - tühi (tundub, et toimib rancheos default)
  • sshPort - 22
  • sshUsername - tühi (tundub, et toimib rancheos default)
  • vmCloneFull - 2
  • vmCloneVmid - tühi
  • vmCpu -
  • vmCpuCores - 1
  • vmCpuSockets - 4
  • vmImageFile - local:iso/rancheros-proxmoxve-autoformat.iso
  • vmMemory - 4
  • vmNetBridge - vmbr0
  • vmNetFirewall - 0
  • vmNetModel - virtio
  • vmNetTag - 0
  • vmScsiController - virtio-scsi-pci
  • vmStoragePath - sn_data (tundub, et peab olema proxmox Directory tüüpi)
  • vmStorageSize - 32
  • vmStorageType - QCOW2

ja sama json kujul 

{
"annotations": {
"ownerBindingsCreated": "true"
},
"baseType": "nodeTemplate",
"cloudCredentialId": null,
"created": "2022-10-26T22:51:41Z",
"createdTS": 1666824701000,
"creatorId": "user-7rrms",
"driver": "proxmoxve",
"engineEnv": { },
"engineInstallURL": "https://releases.rancher.com/install-docker/20.10.sh",
"engineLabel": { },
"engineOpt": { },
"engineRegistryMirror": [ ],
"id": "cattle-global-nt:nt-d9w8b",
"labels": {
"cattle.io/creator": "norman"
},
"links": {
"nodePools": "…/v3/nodePools?nodeTemplateId=cattle-global-nt%3Ant-d9w8b",
"nodes": "…/v3/nodes?nodeTemplateId=cattle-global-nt%3Ant-d9w8b",
"self": "…/v3/nodeTemplates/cattle-global-nt:nt-d9w8b",
"update": "…/v3/nodeTemplates/cattle-global-nt:nt-d9w8b"
},
"logOpt": { },
"name": "tmplimre",
"principalId": "local://user-7rrms",
"proxmoxveConfig": {
"debugDriver": true,
"debugResty": true,
"provisionStrategy": "cdrom",
"proxmoxHost": "192.168.110.250",
"proxmoxNode": "pm-kns",
"proxmoxPool": "vaiki",
"proxmoxRealm": "pam",
"proxmoxUserName": "root",
"proxmoxUserPassword": "parool",
"sshPassword": "",
"sshPort": "22",
"sshUsername": "",
"vmCienabled": "",
"vmCitype": "",
"vmCloneFull": "2",
"vmCloneVmid": "",
"vmCpu": "",
"vmCpuCores": "1",
"vmCpuSockets": "2",
"vmImageFile": "local:iso/rancheros-proxmoxve-autoformat.iso",
"vmMemory": "2",
"vmNetBridge": "vmbr0",
"vmNetFirewall": "0",
"vmNetModel": "virtio",
"vmNetMtu": "",
"vmNetTag": "0",
"vmNuma": "",
"vmProtection": "",
"vmScsiAttributes": "",
"vmScsiController": "virtio-scsi-pci",
"vmStartOnboot": "",
"vmStoragePath": "sn_data",
"vmStorageSize": "12",
"vmStorageType": "QCOW2",
"vmVmidRange": ""
},
"state": "active",
"storageOpt": { },
"transitioning": "no",
"transitioningMessage": "",
"type": "nodeTemplate",
"useInternalIpAddress": true,
"uuid": "a6c62f53-9316-41bb-8242-2d641988e522"
}

Rancher hallatud klastriga suhtlemine kubectl utiliidiga

Rancher hallatud klastriga töökohaarvutist käsurealt st kubectl utiliidi abil suhtlemiseks tuleb esmalt kopeerida kubectl utiliit 

TODO

Seejärel Rancher webgui liidesest kopeerida klastri seadistus 

TODO

ja klastri poole pöördumiseks öelda 

$ /home/imre/kubectl --kubeconfig /home/imre/Downloads/clubu1.yaml get all --all-namespaces -o wide
NAMESPACE             NAME                                               READY   STATUS      RESTARTS      AGE     IP               NODE     NOMINATED NODE   READINESS GATES
cattle-fleet-system   pod/fleet-agent-bfc5655cc-crbl6                    1/1     Running     0             10m     10.42.0.12       clubu1   <none>           <none>
cattle-system         pod/cattle-cluster-agent-674cc68d59-zgrkq          1/1     Running     1 (11m ago)   14m     10.42.0.5        clubu1   <none>           <none>
cattle-system         pod/cattle-node-agent-n56dp                        1/1     Running     0             14m     192.168.110.13   clubu1   <none>           <none>
cattle-system         pod/helm-operation-7vpbz                           0/2     Completed   0             9m36s   10.42.0.13       clubu1   <none>           <none>

...

MetalLB load balanceri ja NginX ingress kontrolleri kasutamine

Kasulikud lisamaterjalid

Kasulikud lisamaterjalid

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