diff options
Diffstat (limited to 'cloudinit/config/cc_seed_random.py')
| -rw-r--r-- | cloudinit/config/cc_seed_random.py | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/cloudinit/config/cc_seed_random.py b/cloudinit/config/cc_seed_random.py index 4fb9b44e..911789c7 100644 --- a/cloudinit/config/cc_seed_random.py +++ b/cloudinit/config/cc_seed_random.py @@ -24,15 +24,19 @@ Configuration for this module is under the ``random_seed`` config key. The optionally be specified in encoded form, with the encoding specified in ``encoding``. +If the cloud provides its own random seed data, it will be appended to ``data`` +before it is written to ``file``. + .. note:: when using a multiline value for ``data`` or specifying binary data, be sure to follow yaml syntax and use the ``|`` and ``!binary`` yaml format specifiers when appropriate -Instead of specifying a data string, a command can be run to generate/collect -the data to be written. The command should be specified as a list of args in -the ``command`` key. If a command is specified that cannot be run, no error -will be reported unless ``command_required`` is set to true. +If the ``command`` key is specified, the given command will be executed. This +will happen after ``file`` has been populated. That command's environment will +contain the value of the ``file`` key as ``RANDOM_SEED_FILE``. If a command is +specified that cannot be run, no error will be reported unless +``command_required`` is set to true. For example, to use ``pollinate`` to gather data from a remote entropy server and write it to ``/dev/urandom``, the following could be |