Re: Connecting cluster with different cookies
Stanislav Ledenev <[email protected]>
| Newsgroups | gmane.comp.lang.erlang.general |
|---|---|
| Message-ID | <CAOkK=ALd+yNHU0LYBefk167ON9u38bhfe7hW7kPw9k_rXNJmGA@mail.gmail.com> |
Just couple of thoughts: Wouldn't the removal of erlang:set_cookie() have a huge impact on one of the cool features of Erlang - dynamic reconfiguration of the running system without stopping it? This function is the only dynamic way of setting a cookie. Two others are static, i.e. through the file and command line parameter. And also for security demanding applications which work within insecure environments erlang:set_cookie() is a very useful function. I.e. read cookie (which changes in time) from a trusted storage and set it without stopping the whole system. пн, 9 авг. 2021 г. в 20:08, Peter-Henry Mander <[email protected]>: > Hi Raimo, > > Thanks for asking (-: > > We've found this erlang:set_cookie/2 function to be very handy in > Operations, to be able to launch a remote shell connecting to nodes in a > collection of clusters, each with different cookies. E.g. someone has > opened a quote in the to_erl shell, leaving the shell "broken" (please, > don't snigger...) in the heat of an incident. > > The use case is hardly critical, but the ability to swap cookies will be > missed. > > Pete. > >