diff --git a/README.rst b/README.rst index 4d3f50c..9cdda45 100644 --- a/README.rst +++ b/README.rst @@ -2,7 +2,7 @@ os-client-config =============================== -os-client-config is a library for collecting client configuration for +`os-client-config` is a library for collecting client configuration for using an OpenStack cloud in a consistent and comprehensive manner. It will find cloud config for as few as 1 cloud and as many as you want to put in a config file. It will read environment variables and config files, @@ -10,19 +10,19 @@ and it also contains some vendor specific default values so that you don't have to know extra info to use OpenStack * If you have a config file, you will get the clouds listed in it -* If you have environment variables, you will get a cloud named 'envvars' -* If you have neither, you will get a cloud named 'defaults' with base defaults +* If you have environment variables, you will get a cloud named `envvars` +* If you have neither, you will get a cloud named `defaults` with base defaults Environment Variables --------------------- -os-client-config honors all of the normal `OS_*` variables. It does not +`os-client-config` honors all of the normal `OS_*` variables. It does not provide backwards compatibility to service-specific variables such as `NOVA_USERNAME`. -If you have OpenStack environment variables set, os-client-config will produce -a cloud config object named "envvars" containing your values from the -environment. If you don't like the name "envvars", that's ok, you can override +If you have OpenStack environment variables set, `os-client-config` will produce +a cloud config object named `envvars` containing your values from the +environment. If you don't like the name `envvars`, that's ok, you can override it by setting `OS_CLOUD_NAME`. Service specific settings, like the nova service type, are set with the @@ -34,7 +34,7 @@ for trove set:: Config Files ------------ -os-client-config will look for a file called clouds.yaml in the following +`os-client-config` will look for a file called `clouds.yaml` in the following locations: * Current Directory @@ -50,6 +50,11 @@ Service specific settings, like the nova service type, are set with the default service type as a prefix. For instance, to set a special service_type for trove (because you're using Rackspace) set: +:: + + database_service_type: 'rax:database' + + Site Specific File Locations ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -72,10 +77,6 @@ look in an OS specific config dir * OSX: `/Library/Application Support/openstack` * Windows: `C:\\ProgramData\\OpenStack\\openstack` -:: - - database_service_type: 'rax:database' - An example config file is probably helpful: :: @@ -106,16 +107,16 @@ An example config file is probably helpful: project_id: 610275 region_name: DFW,ORD,IAD -You may note a few things. First, since auth_url settings are silly +You may note a few things. First, since `auth_url` settings are silly and embarrasingly ugly, known cloud vendor profile information is included and -may be referenced by name. One of the benefits of that is that auth_url +may be referenced by name. One of the benefits of that is that `auth_url` isn't the only thing the vendor defaults contain. For instance, since -Rackspace lists `rax:database` as the service type for trove, os-client-config +Rackspace lists `rax:database` as the service type for trove, `os-client-config` knows that so that you don't have to. In case the cloud vendor profile is not -available, you can provide one called clouds-public.yaml, following the same +available, you can provide one called `clouds-public.yaml`, following the same location rules previously mentioned for the config files. -Also, region_name can be a list of regions. When you call get_all_clouds, +Also, `region_name` can be a list of regions. When you call `get_all_clouds`, you'll get a cloud config object for each cloud/region combo. As seen with `dns_service_type`, any setting that makes sense to be per-service, @@ -153,7 +154,7 @@ Cache Settings -------------- Accessing a cloud is often expensive, so it's quite common to want to do some -client-side caching of those operations. To facilitate that, os-client-config +client-side caching of those operations. To facilitate that, `os-client-config` understands passing through cache settings to dogpile.cache, with the following behaviors: