# Copy public key to ESXi host
ssh-copy-id root@esxi

# Login
ssh root@esxi

# Move authorized keys file, assuming you are using root user.
# Change keys-root to keys-<user> if you are logged in as a different user.
mv /.ssh/authorized_keys /etc/ssh/keys-root/authorized_keys

# Uncomment following lines in ubuntu2004.pkr.hcl
# post-processor "shell-local" {
#   inline = [
#     "vmId=$(ssh ${var.remote_username}@${var.remote_host} vim-cmd vmsvc/getallvms | grep ubuntu2004 | awk '{print $1}') && ssh ${var.remote_username}@${var.remote_host} vim-cmd vmsvc/power.on $vmId >> /dev/null"
#   ]
# }

# Copy init script to ESXi host via SSH
scp local.sh root@esxi:/etc/rc.local.d/local.sh

# Login
ssh root@esxi

# Make init script executable on ESXi host
chmod +x /etc/rc.local.d/local.sh

# Execute init script on ESXi host once
/etc/rc.local.d/local.sh

# Uncomment for detailed log
# export PACKER_LOG=1
# export PACKER_LOG_PATH="packer.log"

# Edit following files according to your needs
# ubuntu2004.pkr.hcl : VM settings
# variables.pkr.hcl  : General connection variables
# http/user-data     : Cloud init user-data (check references)
# http/meta-data     : Cloud init meta-data (check references)
packer build .

# or add variables to your command
packer build \
  -var 'datastore=VM' \
  -var 'cache_datastore=CACHE' \
  -var 'remote_host=esxi' \
  -var 'remote_username=root' \
  -var 'remote_password=password' .