ubicloud/prog/vm/vm_pool.rb
Enes Cakir 521a172ecf Move more before_run overrides to the base prog
Since we began checking if the resource is being destroyed using the
destroying semaphore instead of checking all labels separately at the
previous commit, we can move more `before_run` overrides to the base
prog.
2025-02-08 17:10:15 +03:00

78 lines
2.2 KiB
Ruby

# frozen_string_literal: true
require "net/ssh"
class Prog::Vm::VmPool < Prog::Base
subject_is :vm_pool
def self.assemble(size:, vm_size:, boot_image:, location:, storage_size_gib:,
storage_encrypted:, storage_skip_sync:, arch:)
DB.transaction do
vm_pool = VmPool.create_with_id(
size: size,
vm_size: vm_size,
boot_image: boot_image,
location: location,
storage_size_gib: storage_size_gib,
storage_encrypted: storage_encrypted,
storage_skip_sync: storage_skip_sync,
arch: arch
)
Strand.create(prog: "Vm::VmPool", label: "create_new_vm") { _1.id = vm_pool.id }
end
end
label def create_new_vm
storage_params = {
size_gib: vm_pool.storage_size_gib,
encrypted: vm_pool.storage_encrypted,
skip_sync: vm_pool.storage_skip_sync
}
ps = Prog::Vnet::SubnetNexus.assemble(
Config.vm_pool_project_id,
location: vm_pool.location,
allow_only_ssh: true
).subject
Prog::Vm::Nexus.assemble_with_sshable(
"runneradmin",
Config.vm_pool_project_id,
size: vm_pool.vm_size,
location: vm_pool.location,
boot_image: vm_pool.boot_image,
storage_volumes: [storage_params],
enable_ip4: true,
pool_id: vm_pool.id,
arch: vm_pool.arch,
swap_size_bytes: 4294963200,
private_subnet_id: ps.id
)
hop_wait
end
label def wait
if vm_pool.size - vm_pool.vms.count > 0
idle_cpus = VmHost.where(allocation_state: "accepting", arch: vm_pool.arch, location: ["github-runners", "hetzner-hel1", "hetzner-fsn1"]).select_map { sum((total_cores - used_cores) * total_cpus / total_cores) }.first.to_i
waiting_cpus = Vm.where(Sequel.like(:boot_image, "github%")).where(allocated_at: nil, arch: vm_pool.arch).sum(:vcpus).to_i
pool_vm_cpus = Validation.validate_vm_size(vm_pool.vm_size, vm_pool.arch).vcpus
hop_create_new_vm if idle_cpus - waiting_cpus - pool_vm_cpus >= 0
end
nap 30
end
label def destroy
vm_pool.vms.each do |vm|
vm.private_subnets.each { _1.incr_destroy }
vm.incr_destroy
end
hop_wait_vms_destroy
end
label def wait_vms_destroy
nap 10 if vm_pool.vms.count > 0
vm_pool.destroy
pop "pool destroyed"
end
end