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CloudStack Q&A

Questions tied to Apache CloudStack behaviour and how CMP uses ACS APIs. Feature guides: CloudStack features, Networks.

Can clients set their own password on instance create or password reset?​

No — not through a native CloudStack parameter that CMP can pass.

CloudStack does not support end-user-chosen passwords for:

  • VM deploy
  • Reset password

Standard ACS workflow:

  1. CloudStack generates a random password
  2. Password is injected into the guest (password-enabled template + User Data / VR services)
  3. Generated password is returned via API and shown in CMP

CMP therefore displays the auto-generated password from CloudStack. There is no supported ACS API field to supply a custom password at deploy or reset time.

Ensure templates are password-enabled and network offerings include User Data — see Virtual Router/VPC — User Data.

Plans are in the admin panel but missing on Create Instance. Why?​

Check all of the following:

  1. Package status — must be Active
  2. Zone and OS family — Create Instance filters by selected zone and OS; Windows/Linux-restricted packages only appear for the matching family
  3. Plan categories — if plan categories are enabled, every visible package must have a plan category; packages without one are hidden
  4. Compute categories — if compute categories are configured, packages must be assigned; unassigned packages stay hidden

See Virtual Machine packages.

We changed the rate card offering (40 GB → 60 GB disk, same price). Do existing VMs upgrade?​

No. Updating the rate card package / offering only affects new orders.

Existing VMs keep the offering they were provisioned with. To grow disk on running VMs, use the VM upgrade (or resize) flow per instance so ACS and CMP update the associated offering and disk.

Why is no IP listed under Isolated Network → IP Addresses?​

Expected when the VM only has a private IP and CMP is reusing Source NAT.

  • The first public IP of an isolated network is the Source NAT IP
  • CMP reuses it with port forwarding for the first public-access VM
  • That SNAT IP is not listed as a separately acquired IP under IP Addresses in that empty/private-only case

When the customer requests public IP on create:

  • If SNAT is free → reuse SNAT + port forwarding
  • If SNAT is already tied to a VM → acquire a new public IP

Details: Isolated Network — Source NAT reuse.

How to change the region (zone) name?​

Same as other orchestrators in CMP: Settings → Orchestrator → Zones. See All orchestrators — region name.