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Message #42115
[Bug 1521868] [NEW] [RFE] API to fetch published configurations
Public bug reported:
Neutron clients like Horizon and CLI depend on redundant settings or
hard coded values for configurations that are specific to the
functionality of neutron and its sub-agents. For example Horizon has
settings for 'supported_provider_types', 'segmentation_id_range' and
'extra_provider_types' (proposed). There have been requests/bugs to
neutron team to add APIs to fetch these values, so that the API
consumers don't have to hard code or add their own configurations and
keep in them in sync. In the case of multiple configuration settings,
the admin must also know and keep track to set both configurations in
his environment.
This RFE proposes to add a standard identity/role based configuration
fetching API for accessing the current exposed configuration. Exposed
keys and their corresponding namespaces should be published by neutron
and its sub-modules.
Setting or modifying configuration (static or dynamic) is not achievable
through the config APIs. For this the client/admin should resort to the
individual/specific APIs exposed or modify the config files themselves.
Underlying configuration implementation can also be specific to neutron,
it could be configdb, *.ini/*.conf file or anything else.
The neutron config API should expose a unified parent/root namespace from which all other namespaces specific to each sub-agent is accessible.
For example...
/ml2/ml2_type_gre/tunnel_id_ranges -- for ml2 agent
/l3/interface_driver -- for l3 agent
/dhcp/dhcp_driver -- for dhcp agent
/ml2/* -- for ml2 agent
This RFE proposes a new section in network API for 'Configuration',
along with 'Networks', 'Subnets', 'Ports', and 'Service providers'.
Example:
GET - /v2.0/config -- List all configuration
GET - /v2.0/config/l3 -- List l3 specific ones.
GET - /v2.0/config/ml2/ml2_type_gre -- List everything under /ml2/ml2_type_gre/*
GET - /v2.0/config/ml2/type_drivers -- Value for 'type_drivers' key inside ml2, returning for eg. "flat,vlan,gre,vxlan"
Such an interface for configuration fetching could be followed suit by other projects as well, like may be nova, cinder etc which may have their own configuration namespaces to expose.
It's like an OpenStack equivalent of /proc file system without the set/mod capability.
** Affects: neutron
Importance: Undecided
Status: New
** Tags: rfe
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https://bugs.launchpad.net/bugs/1521868
Title:
[RFE] API to fetch published configurations
Status in neutron:
New
Bug description:
Neutron clients like Horizon and CLI depend on redundant settings or
hard coded values for configurations that are specific to the
functionality of neutron and its sub-agents. For example Horizon has
settings for 'supported_provider_types', 'segmentation_id_range' and
'extra_provider_types' (proposed). There have been requests/bugs to
neutron team to add APIs to fetch these values, so that the API
consumers don't have to hard code or add their own configurations and
keep in them in sync. In the case of multiple configuration settings,
the admin must also know and keep track to set both configurations in
his environment.
This RFE proposes to add a standard identity/role based configuration
fetching API for accessing the current exposed configuration. Exposed
keys and their corresponding namespaces should be published by neutron
and its sub-modules.
Setting or modifying configuration (static or dynamic) is not
achievable through the config APIs. For this the client/admin should
resort to the individual/specific APIs exposed or modify the config
files themselves.
Underlying configuration implementation can also be specific to
neutron, it could be configdb, *.ini/*.conf file or anything else.
The neutron config API should expose a unified parent/root namespace from which all other namespaces specific to each sub-agent is accessible.
For example...
/ml2/ml2_type_gre/tunnel_id_ranges -- for ml2 agent
/l3/interface_driver -- for l3 agent
/dhcp/dhcp_driver -- for dhcp agent
/ml2/* -- for ml2 agent
This RFE proposes a new section in network API for 'Configuration',
along with 'Networks', 'Subnets', 'Ports', and 'Service providers'.
Example:
GET - /v2.0/config -- List all configuration
GET - /v2.0/config/l3 -- List l3 specific ones.
GET - /v2.0/config/ml2/ml2_type_gre -- List everything under /ml2/ml2_type_gre/*
GET - /v2.0/config/ml2/type_drivers -- Value for 'type_drivers' key inside ml2, returning for eg. "flat,vlan,gre,vxlan"
Such an interface for configuration fetching could be followed suit by other projects as well, like may be nova, cinder etc which may have their own configuration namespaces to expose.
It's like an OpenStack equivalent of /proc file system without the set/mod capability.
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