Staging Migration to new Azure Subscription

[VinceHillier]

Expanding on #179

Staging Migration Plan

Staging has ~550GB of data, previous transfers took 16m per 500G. It should be less than 20 minutes to transfer staging.

Pre window tasks:

• Create new public IP for staging on new subscription
  20.106.209.98
• Reduce TTL for staging.kernelci.org from 3600 to 600.
• Schedule DNS update with LF determining T:0
• Prepare NSG ruleset for post migration

T: 0m

1. Shutdown staging vm
2. Snapshot osDisk and data disk
3. Update IP address for (api.)staging.kernelci.org in DNS
   T:+20m
4. Transfer snapshots to new subscription
   T:+50m
5. Create disks based off snapshots (staging disk should be 1TB)
6. Create VM with osDisk and data disk, assign new public IP
   T:+70m
7. Update NSG to match previous rules
8. Update Zabbix monitoring to use new IP
   T:+80m

[gctucker]

I guess this is specifically about the staging.kernelci.org VM?

[VinceHillier]

I guess this is specifically about the staging.kernelci.org VM?

Correct

[VinceHillier]

This has been completed.

[gctucker]

I believe we still need to update the DNS records with the longer TTLs and do some clean-up with the old subdomains. But that's a separate task, I don't think there's a GitHub issue for it yet.