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Viewing changes to hooks/nova_compute_utils.py

[tribaal, r=gnuoy] This branch introduces a new api-rate-limit-rules charm config option controlling the rate-limiting 
of the nova API by writing the passed value to the /etc/nova/api-paste.ini file.

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Lines of Context:
hooks/nova_compute_utils.py
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    CEPH_CONF,
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    ceph_config_file,
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    HostIPContext,
 
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    APIRateLimitingContext
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)
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CA_CERT_PATH = '/usr/local/share/ca-certificates/keystone_juju_ca_cert.crt'
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LIBVIRT_BIN = '/etc/default/libvirt-bin'
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LIBVIRT_BIN_OVERRIDES = '/etc/init/libvirt-bin.override'
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NOVA_CONF = '%s/nova.conf' % NOVA_CONF_DIR
 
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API_PASTE_INI = '%s/api-paste.ini' % NOVA_CONF_DIR
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BASE_RESOURCE_MAP = {
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    NOVA_CONF: {
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                     HostIPContext(),
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                     context.LogLevelContext()],
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    },
 
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    API_PASTE_INI: {
 
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        'services': ['nova-compute'],
 
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        'contexts': [APIRateLimitingContext()]}
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}
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LIBVIRT_RESOURCE_MAP = {