HomeLab

HomeLab Server/Cluster, Virtual Sandbox Cluster, & Desktop Configuration

Table of Contents

• HomeLab
  • Table of Contents
  • Remote VsCode
  • Server
    • Networking
    • Kubernetes
      • Machines
        • ZFS Storage
      • Kubernetes Nodes
        • Ceph Performance Tests
      • OKD WIF
      • Kubernetes Commands
        • Delete Pod Using Graceful Termination Eviction Request

Remote VsCode

 ansible-playbook -i ansible/inventory --ask-become-pass ansible/vscode-server.yaml --ask-pass \
  -e 'ansible_python_interpreter=/usr/bin/python3'

Server

graph TD
 linkStyle default interpolate basis

subgraph Networking
wan1[<center>WAN<br>192.168.100.1</center>]---|1000/50 Mb|router{<center>UDM Pro SE<br>10.0.0.1</center>}
wan2[<center>LTE<br>192.168.1.1</center>]---|750/25 Mb|router
router---|10GbE|switch1[<center>USW-Pro-Max-16<br></center>]
router---|2.5GbE|ap1{<center>U7 Pro Wall<br></center>}
switch1---|2.5GbE|ap2{<center>U7 Pro Max<br></center>}
switch1----|10GbE|switch10[<center>USW-Aggregation<br></center>]
switch10----|10GbE|switch11[<center>USW-Aggregation<br></center>]
router----|10GbE|switch11[<center>USW-Aggregation<br></center>]



end

subgraph Homelab
router----|1GbE|microshift[<center>MicroShift / PiHole<br>10.101.1.7</center>]
router-.-|1GbE Fail Over|truenas(<center>TrueNas<br>10.101.1.6</center>)
end

subgraph OpenShift/OKD
    switch1---|2.5GbE|truenas(<center>TrueNas<br>10.101.1.6</center>)
    switch1-.-|1GbE Fail Over Host/Pod/LB|server-1(<center>server-1<br>10.101.10.101</center>)
    switch1-.-|1GbE Fail Over Host/Pod/LB|server-2(<center>server-2<br>10.101.10.102</center>)
    switch1-.-|1GbE Fail Over Host/Pod/LB|server-3(<center>server-3<br>10.101.10.103</center>)

    switch1-.-|1GbE Fail Over NAD/LM|server-1(<center>server-1<br>10.101.10.101</center>)
    switch1-.-|1GbE Fail Over NAD/LM|server-2(<center>server-2<br>10.101.10.102</center>)
    switch1-.-|1GbE Fail Over NAD/LM|server-3(<center>server-3<br>10.101.10.103</center>)

    switch1-.-|1GbE Fail Over Ceph Public|server-1(<center>server-1<br>10.101.10.101</center>)
    switch1-.-|1GbE Fail Over Ceph Public|server-2(<center>server-2<br>10.101.10.102</center>)
    switch1-.-|1GbE Fail Over Ceph Public|server-3(<center>server-3<br>10.101.10.103</center>)

    switch1-.-|1GbE Fail Over Ceph Private|server-1(<center>server-1<br>10.101.10.101</center>)
    switch1-.-|1GbE Fail Over Ceph Private|server-2(<center>server-2<br>10.101.10.102</center>)
    switch1-.-|1GbE Fail Over Ceph Private|server-3(<center>server-3<br>10.101.10.103</center>)

    switch10----|10 GbE Host/Pod/LB|server-1(<center>server-1<br>10.101.10.101</center>)
    switch10----|10 GbE Host/Pod/LB|server-2(<center>server-2<br>10.101.10.102</center>)
    switch10----|10 GbE Host/Pod/LB|server-3(<center>server-3<br>10.101.10.103</center>)

    switch10----|10 GbE NAD/LM|server-1(<center>server-1<br>10.101.10.101</center>)
    switch10----|10 GbE NAD/LM|server-2(<center>server-2<br>10.101.10.102</center>)
    switch10----|10 GbE NAD/LM|server-3(<center>server-3<br>10.101.10.103</center>)

    switch11----|10 GbE Ceph Public|server-1(<center>server-1<br>10.101.10.101</center>)
    switch11----|10 GbE Ceph Public|server-2(<center>server-2<br>10.101.10.102</center>)
    switch11----|10 GbE Ceph Public|server-3(<center>server-3<br>10.101.10.103</center>)

    switch11----|10 GbE Ceph Private|server-1(<center>server-1<br>10.101.10.101</center>)
    switch11----|10 GbE Ceph Private|server-2(<center>server-2<br>10.101.10.102</center>)
    switch11----|10 GbE Ceph Private|server-3(<center>server-3<br>10.101.10.103</center>)
end

Networking

Networking Machines:

Vlans:

Kubernetes

https://www.okd.io/

Machines

CPU Benchmark

ZFS Storage

Kubernetes Nodes

Ceph Performance Tests

OKD WIF

• https://github.com/openshift/cloud-credential-operator/blob/master/docs/gcp_workload_identity.md
• https://github.com/openshift/cloud-credential-operator/blob/master/docs/ccoctl.md

File Configuration Locations

ls ./terraform/gcp/HomeLab/homelab
ls ./terraform/gcp/HomeLab/homelab/wif
ls ./okd/okd-configuration/wif.yaml

CCOCTL Binary: https://mirror.openshift.com/pub/openshift-v4/amd64/clients/ocp/stable/ccoctl-linux.tar.gz

PROJECT_ID="$(vault kv get -field=project_id secret/gcp/org/av/projects)"

./ccoctl gcp create-workload-identity-pool --name=okd-homelab-wif --project=homelab-${PROJECT_ID} --dry-run
./ccoctl gcp create-workload-identity-provider --name=okd-homelab-wif --region=us --project=homelab-${PROJECT_ID} \
  --public-key-file=serviceaccount-signer.public --workload-identity-pool=okd-homelab-wif --dry-run

Kubernetes Commands

oc login --web --server https://api.okd.homelab.arthurvardevanyan.com:6443

# Watch ALl Pods
watch kubectl get pods -A -o wide --sort-by=.metadata.creationTimestamp
# Delete Pods that Have a Restart
kubectl get pods -A | awk '$5>0' | awk '{print "kubectl delete pod -n " $1 " " $2}' | bash -
# Drain Node
 oc adm drain server-3 --delete-emptydir-data --ignore-daemonsets --force
# Nextcloud
kubectl exec -it nextcloud-0 -n nextcloud -- runuser -u www-data -- php -f /var/www/html/occ

Delete Pod Using Graceful Termination Eviction Request

NAMESPACE=homelab
POD=el-webhook-6b56cc5f84-clfc6

curl --header "Authorization: Bearer $(oc whoami -t)" -H 'Content-type: application/json' \
"$(oc whoami --show-server)/api/v1/namespaces/{$NAMESPACE}/pods/{$POD}/eviction" \
-d '{"apiVersion": "policy/v1","kind": "Eviction","metadata": {"name": "'"${POD}"'","namespace": "'"${NAMESPACE}"'"}}'

• https://docs.okd.io/latest/rest_api/policy_apis/eviction-policy-v1.html#eviction-policy-v1
• https://unofficial-kubernetes.readthedocs.io/en/latest/tasks/configure-pod-container/configure-pod-disruption-budget/