vagrant/plugins/guests/linux/cap/mount_smb_shared_folder.rb

82 lines
3.0 KiB
Ruby

require "shellwords"
require_relative "../../../synced_folders/unix_mount_helpers"
module VagrantPlugins
module GuestLinux
module Cap
class MountSMBSharedFolder
extend SyncedFolder::UnixMountHelpers
def self.mount_smb_shared_folder(machine, name, guestpath, options)
expanded_guest_path = machine.guest.capability(
:shell_expand_guest_path, guestpath)
mount_device = "//#{options[:smb_host]}/#{name}"
mount_options = options.fetch(:mount_options, [])
detected_ids = detect_owner_group_ids(machine, guestpath, mount_options, options)
mount_uid = detected_ids[:uid]
mount_gid = detected_ids[:gid]
# If a domain is provided in the username, separate it
username, domain = (options[:smb_username] || '').split('@', 2)
smb_password = options[:smb_password]
options[:mount_options] ||= []
if machine.env.host.capability?(:smb_mount_options)
options[:mount_options] += machine.env.host.capability(:smb_mount_options)
else
options[:mount_options] << "sec=ntlm"
end
options[:mount_options] << "credentials=/etc/smb_creds_#{name}"
mount_options = "-o uid=#{mount_uid},gid=#{mount_gid}"
mount_options += ",#{Array(options[:mount_options]).join(",")}" if options[:mount_options]
mount_command = "mount -t cifs #{mount_options} #{mount_device} #{expanded_guest_path}"
# Create the guest path if it doesn't exist
machine.communicate.sudo("mkdir -p #{expanded_guest_path}")
# Write the credentials file
machine.communicate.sudo(<<-SCRIPT)
cat <<"EOF" >/etc/smb_creds_#{name}
username=#{username}
password=#{smb_password}
#{domain ? "domain=#{domain}" : ""}
EOF
chmod 0600 /etc/smb_creds_#{name}
SCRIPT
# Attempt to mount the folder. We retry here a few times because
# it can fail early on.
begin
retryable(on: Vagrant::Errors::LinuxMountFailed, tries: 10, sleep: 2) do
no_such_device = false
stderr = ""
status = machine.communicate.sudo(mount_command, error_check: false) do |type, data|
if type == :stderr
no_such_device = true if data =~ /No such device/i
stderr += data.to_s
end
end
if status != 0 || no_such_device
clean_command = mount_command.gsub(smb_password, "PASSWORDHIDDEN")
raise Vagrant::Errors::LinuxMountFailed,
command: clean_command,
output: stderr
end
end
ensure
# Always remove credentials file after mounting attempts
# have been completed
machine.communicate.sudo("rm /etc/smb_creds_#{name}")
end
emit_upstart_notification(machine, expanded_guest_path)
end
end
end
end
end