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Revision 3aecadc8


Added by Christos Stavrakakis over 10 years ago

cyclades: Fix default/forced server networking

Fix the default behaviour for networking of servers that are being
created. There are two settings controlling this behaviour:

  • CYCLADES_DEFAULT_SERVER_NETWORKS: This setting contains list of
    networks to connect a newly created server to, if the user has not
    specified them explicitly in the POST /server API call. Each member of
    the list may be a network UUID, a tuple of network UUIDs,
    "SNF:ANY_PUBLIC_IPV4" [any public network with an IPv4 subnet
    defined], "SNF:ANY_PUBLIC_IPV6 [any public network with only an IPV6 subnet
    defined], or "SNF:ANY_PUBLIC" [any public network].

    Access control and quota policy are enforced, just as if the user had
    specified the value of CYCLADES_DEFAULT_SERVER_NETWORKS in the content
    of the POST /call, after processing of "SNF:*" directives.

    Default value: ["SNF:ANY_PUBLIC"]

  • CYCLADES_FORCED_SERVER_NETWORKS: This setting contains a list of
    networks which every new server will be forced to connect to,
    regardless of the contents of the POST /servers call, or the value of
    CYCLADES_DEFAULT_SERVER_NETWORKS. Its format is identical to that of

    No access control or quota policy are enforced. The server will get
    all IPv4/IPv6 addresses needed to connect to the networks specified in
    CYCLADES_FORCED_SERVER_NETWORKS, regardless of the state of the
    floating IP pool of the user, and without allocating any floating IPs.

    Default value: ["SNF:ANY_PUBLIC_IPV6"]

Also this commit changes how API handles requests that specify a public
network without specifying a floating IP address: If the request does
not contain the 'fixed_ip' attribute, the server will try to
automatically use one of the free floating IP addresses of the user
that are allocated from the specified network.


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