Commit a5bca3e9 authored by Guido Trotter's avatar Guido Trotter

design-2.1: specify hmac key permissions

Signed-off-by: default avatarGuido Trotter <ultrotter@google.com>
Reviewed-by: default avatarIustin Pop <iustin@google.com>
parent 4a1821de
......@@ -114,7 +114,9 @@ Proposed changes
In order to allow fast and highly available access read-only to some
configuration values, we'll create a new ganeti-confd daemon, which will run on
master candidates. This daemon will talk via UDP, and authenticate messages
using HMAC with a cluster-wide shared key.
using HMAC with a cluster-wide shared key. This key will be generated at
cluster init time, and stored on the clusters alongside the ganeti SSL keys,
and readable only by root.
An interested client can query a value by making a request to a subset of the
cluster master candidates. It will then wait to get a few responses, and use
......
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