#!/bin/sh

: ${hypervisor_trunk_interface:='lagg0'}
: ${hypervisor_default_vlan:='1'}
: ${hypervisor_default_prefix:='24'}
: ${hypervisor_default_os_quota:='24G'}
: ${hypervisor_default_data_quota:='8G'}

: ${hypervisor_vm_home:='/usr/local/bhyve'}
: ${hypervisor_vm_dataset:='tank/bhyve'}
: ${hypervisor_vm_default_cpus:='2'}
: ${hypervisor_vm_default_mem:='4G'}
: ${hypervisor_vm_template_size:='10G'}
: ${hypervisor_vm_default_autostart_delay:='2'}
: ${hypervisor_vm_default_zfs_opts:='-o primarycache=metadata -o compress=off'}
: ${hypervisor_vm_zfs_volblocksize:='64k'}

: ${hypervisor_jail_home:='/usr/local/jails'}
: ${hypervisor_jail_dataset:='tank/jails'}
: ${hypervisor_jail_default_zfs_opts:='-o compress=lz4'}

hypervisor_jail_bpf_ruleset=1000

# Required for vnet jails.
set_sysctl net.link.tap.up_on_open=1

# Required to for kerberized NFS within jails.
sysrc -v kld_list+='kgssapi kgssapi_krb5'

# https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262189
set_sysctl vfs.zfs.vol.mode=2

# Load required kernel modules.
load_kernel_module vmm nmdm linux linux64
set_loader_conf \
  vmm_load=YES \
  nmdm_load=YES \
  linux_load=YES \
  linux64_load=YES \
  kern.racct.enable=1

# Install vm/jail management dependencies.
pkg install -y \
  bhyve-firmware \
  cdrkit-genisoimage \
  qemu-tools

# Create bhyve VM dataset.
create_dataset -o "mountpoint=${hypervisor_vm_home}" "$hypervisor_vm_dataset"

# Create dataset for bhyve templates.
create_dataset -o volmode=none -o mountpoint=none "${hypervisor_vm_dataset}/templates"

# Create jails dataset.
create_dataset -o mountpoint="${hypervisor_jail_home}" "$hypervisor_jail_dataset"

# Create dataset for jail templates.
create_dataset -o mountpoint="${hypervisor_jail_home}/templates" "${hypervisor_jail_dataset}/templates"

# Lock down permissions on the VM and jail directories.
chmod 700 "$hypervisor_vm_home" "$hypervisor_jail_home"

# Create directory for VM ISO files.
install_directory -m 0755 "${hypervisor_vm_home}/isos"

# Copy jail/bhyve management scripts.
install_directory -m 0755 /usr/local/etc/rc.d

install_file -m 0555 \
  /usr/local/sbin/jailctl \
  /usr/local/sbin/vmctl \
  /usr/local/etc/rc.d/vmctl

install_template -m 0644 \
  /usr/local/etc/jailctl.conf \
  /usr/local/etc/vmctl.conf

install_template -m 0644 /etc/devfs.rules
service devfs restart

# Enable jails/bhyve to start on boot.
sysrc -v \
  vmctl_enable=YES \
  jail_enable=YES \
  jail_reverse_stop=YES