Change staging network

Also remove the deprecated staging gw

Related to T2721

Test Plan

➜  staging git:(master) terraform plan                  
Refreshing Terraform state in-memory prior to plan...
The refreshed state will be used to calculate this plan, but will not be
persisted to local or remote state storage.

module.gateway.proxmox_vm_qemu.node: Refreshing state... [id=beaubourg/qemu/109]
module.storage0.proxmox_vm_qemu.node: Refreshing state... [id=orsay/qemu/114]
module.db0.proxmox_vm_qemu.node: Refreshing state... [id=orsay/qemu/115]
module.scheduler0.proxmox_vm_qemu.node: Refreshing state... [id=beaubourg/qemu/116]
module.vault.proxmox_vm_qemu.node: Refreshing state... [id=beaubourg/qemu/121]
module.journal0.proxmox_vm_qemu.node: Refreshing state... [id=beaubourg/qemu/122]
module.deposit.proxmox_vm_qemu.node: Refreshing state... [id=beaubourg/qemu/120]
module.worker2.proxmox_vm_qemu.node: Refreshing state... [id=branly/qemu/112]
module.webapp.proxmox_vm_qemu.node: Refreshing state... [id=branly/qemu/119]
module.worker0.proxmox_vm_qemu.node: Refreshing state... [id=beaubourg/qemu/117]
module.worker1.proxmox_vm_qemu.node: Refreshing state... [id=beaubourg/qemu/118]

------------------------------------------------------------------------

An execution plan has been generated and is shown below.
Resource actions are indicated with the following symbols:
  - destroy

Terraform will perform the following actions:

  # module.gateway.proxmox_vm_qemu.node will be destroyed
  - resource "proxmox_vm_qemu" "node" {
      - agent        = 0 -> null
      - balloon      = 0 -> null
      - bios         = "seabios" -> null
      - boot         = "c" -> null
      - bootdisk     = "virtio0" -> null
      - ciuser       = "root" -> null
      - clone        = "template-debian-10" -> null
      - clone_wait   = 15 -> null
      - cores        = 1 -> null
      - cpu          = "host" -> null
      - desc         = "staging gateway node" -> null
      - disk_gb      = 0 -> null
      - force_create = false -> null
      - full_clone   = false -> null
      - hotplug      = "network,disk,usb" -> null
      - id           = "beaubourg/qemu/109" -> null
      - ipconfig0    = "ip=192.168.100.125/24,gw=192.168.100.1" -> null
      - ipconfig1    = "ip=192.168.128.1/24" -> null
      - kvm          = true -> null
      - memory       = 1024 -> null
      - name         = "gateway" -> null
      - nameserver   = "192.168.100.29" -> null
      - numa         = false -> null
      - onboot       = true -> null
      - os_type      = "cloud-init" -> null
      - preprovision = true -> null
      - qemu_os      = "other" -> null
      - scsihw       = "virtio-scsi-pci" -> null
      - searchdomain = "internal.staging.swh.network" -> null
      - sockets      = 1 -> null
      - ssh_host     = "192.168.100.125" -> null
      - ssh_port     = "22" -> null
      - ssh_user     = "root" -> null
      - sshkeys      = <<~EOT
            ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDVKCfpeIMg7GS3Pk03ZAcBWAeDZ+AvWk2k/pPY0z8MJ3YAbqZkRtSK7yaDgJV6Gro7nn/TxdJLo2jEzzWvlC8d8AEzhZPy5Z/qfVVjqBTBM4H5+e+TItAHFfaY5+0WvIahxcfsfaq70MWfpJhszAah3ThJ4mqzYaw+dkr42+a7Gx3Ygpb/m2dpnFnxvXdcuAJYStmHKU5AWGWWM+Fm50/fdMqUfNd8MbKhkJt5ihXQmZWMOt7ls4N8i5NZWnS9YSWow8X/ENOEqCRN9TyRkc+pPS0w9DNi0BCsWvSRJOkyvQ6caEnKWlNoywCmM1AlIQD3k4RUgRWe0vqg/UKPpH3Z root@terraform
            
            
            
        EOT -> null
      - target_node  = "beaubourg" -> null
      - vcpus        = 0 -> null
      - vlan         = -1 -> null
      - vmid         = 109 -> null

      - disk {
          - backup       = false -> null
          - cache        = "none" -> null
          - format       = "raw" -> null
          - id           = 0 -> null
          - iothread     = false -> null
          - mbps         = 0 -> null
          - mbps_rd      = 0 -> null
          - mbps_rd_max  = 0 -> null
          - mbps_wr      = 0 -> null
          - mbps_wr_max  = 0 -> null
          - replicate    = false -> null
          - size         = "20G" -> null
          - ssd          = false -> null
          - storage      = "proxmox" -> null
          - storage_type = "cephfs" -> null
          - type         = "virtio" -> null
        }

      - network {
          - bridge    = "vmbr0" -> null
          - firewall  = false -> null
          - id        = 0 -> null
          - link_down = false -> null
          - macaddr   = "6E:ED:EF:EB:3C:AA" -> null
          - model     = "virtio" -> null
          - queues    = -1 -> null
          - rate      = -1 -> null
          - tag       = -1 -> null
        }
      - network {
          - bridge    = "vmbr443" -> null
          - firewall  = false -> null
          - id        = 1 -> null
          - link_down = false -> null
          - macaddr   = "FE:95:CC:A5:EB:43" -> null
          - model     = "virtio" -> null
          - queues    = -1 -> null
          - rate      = -1 -> null
          - tag       = -1 -> null
        }
    }

Plan: 0 to add, 0 to change, 1 to destroy.

------------------------------------------------------------------------

Note: You didn't specify an "-out" parameter to save this plan, so Terraform
can't guarantee that exactly these actions will be performed if
"terraform apply" is subsequently run.

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Migrated from D4340 (view on Phabricator)