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Update README.md with minor fixes and cleanup

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Drew Leske 2018-02-23 15:05:29 -08:00 committed by GitHub
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@ -34,7 +34,7 @@ floating IP addresses or not.
Note that the Ansible script will report an invalid configuration if you wind up
with an even number of etcd instances since that is not a valid configuration.
### Gluster FS
### GlusterFS
The Terraform configuration supports provisioning of an optional GlusterFS
shared file system based on a separate set of VMs. To enable this, you need to
specify:
@ -95,18 +95,19 @@ This will be the base for subsequent Terraform commands.
#### OpenStack access and credentials
No provider variables are hardcoded inside `variables.tf` because Terraform
supports various authentication method for OpenStack, between identity v2 and
v3 API, `openrc` or `clouds.yaml`.
supports various authentication methods for OpenStack: the older script and
environment method (using `openrc`) as well as a newer declarative method, and
different OpenStack environments may support Identity API version 2 or 3.
These are examples and may vary depending on your OpenStack cloud provider,
for an exhaustive list on how to authenticate on OpenStack with Terraform
please read the [OpenStack provider documentation](https://www.terraform.io/docs/providers/openstack/).
##### Recommended method: clouds.yaml
##### Declarative method (recommended)
Newer recommended authentication method is to use a `clouds.yaml` file that can be store in:
The recommended authentication method is to describe credentials in a YAML file `clouds.yaml` that can be stored in:
* `Current Directory`
* the current directory
* `~/.config/openstack`
* `/etc/openstack`
@ -128,18 +129,18 @@ clouds:
```
If you have multiple clouds defined in your `clouds.yaml` file you can choose
the one you want to use with the environment variable `OS_CLOUD` :
the one you want to use with the environment variable `OS_CLOUD`:
```
export OS_CLOUD=mycloud
```
##### Deprecated method : openrc
##### Openrc method (deprecated)
When using classic environment variables, Terraform uses default `OS_*`
environment variables :
environment variables:
With identity v2 :
With identity v2:
```
source openrc
@ -176,7 +177,7 @@ OS_USER_DOMAIN_NAME=Default
```
Terraform does not support a mix of DomainName and DomainID, choose one or the
other :
other:
```
* provider.openstack: You must provide exactly one of DomainID or DomainName to authenticate by Username