Add documentation about disable-security-groups
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README.md
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README.md
@ -27,3 +27,17 @@ The neutron-api and neutron-openvswitch charms must be related to the same insta
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# Restrictions
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# Restrictions
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It should only be used with OpenStack Icehouse and above and requires a seperate neutron-api service to have been deployed.
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It should only be used with OpenStack Icehouse and above and requires a seperate neutron-api service to have been deployed.
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# Disabling security group management
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WARNING: this feature allows you to effectively disable security on your cloud!
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This charm has a configuration option to allow users to disable any per-instance security group management; this must used with neutron-security-groups enabled in the neutron-api charm and could be used to turn off security on selected set of compute nodes:
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juju deploy neutron-openvswitch neutron-openvswitch-insecure
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juju set neutron-openvswitch-insecure disable-security-groups=True
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juju deploy nova-compute nova-compute-insecure
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juju add-relation nova-compute-insecure neutron-openvswitch-insecure
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...
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These compute nodes could then be accessed by cloud users via use of host aggregates with specific flavors to target instances to hypervisors with no per-instance security.
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