support --tls-crypt
client counterpart of leap/container-platform/openvpn#4
client changes
- preship ta.key
- pass
tls-crypt ta.key
parameter to openvpn invocation. - implement fetch
ta.key
from /cert
client counterpart of leap/container-platform/openvpn#4
tls-crypt ta.key
parameter to openvpn invocation.ta.key
from /cert