openstack
/
os-collect-config
Code Issues Proposed changes

Update README.md

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Tim Miller 2013-01-28 23:22:10 -08:00
parent 336a0738b6
commit ceb9484b29
1 changed files with 4 additions and 4 deletions
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README.md
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@ -7,7 +7,7 @@ Apply configuration from cloud metadata.
# What does it do?
it turns a cloud-metdata file like this:
```
```javascript
{"config": {"keystone": {"database": {"host": "127.0.0.1", "user": "keystone", "password": "foobar"}}}}
```
into service config files like this:
@ -17,7 +17,7 @@ connection = mysql://keystone:foobar@127.0.0.1/keystone
...other settings...
```
# But HOW??
# but... but HOW??
Just pass it the path to a directory tree of templates:
```
@ -53,7 +53,7 @@ connection = mysql://{{keystone.database.user}}:{{keystone.database.password}@{{
## Executable Templates
An executable template is a script which accepts parameters in environment variables, and writes a config file to standard out.
An executable template is a script which accepts parameters via environment variables or standard in, and writes a config file to standard out.
The output of the script will be written to the path corresponding to the executable template's path in the template tree.
@ -64,7 +64,7 @@ echo "[sql]"
echo "connection = mysql://$keystone_database_user:$keystone_database_password@$keystone_database_user/keystone"
```
TODO: the script is passed the path of the metadata file contents on stdin, so you can use a higher-level languages, too:
TODO: the script is passed the contents of the metadata file on stdin, so you can use a higher-level languages, too:
```ruby
#!/usr/bin/env/ruby
require 'json'