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https://issues.apache.org/jira/browse/WHIRR-347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204304#comment-13204304
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David Alves edited comment on WHIRR-347 at 2/9/12 6:27 AM:
-----------------------------------------------------------
Here's what I did:
there are now the following env variables:
WHIRR_PROVIDER
WHIRR_IDENTITY
WHIRR_CREDENTIAL
WHIRR_BLOBSTORE_PROVIDER
WHIRR_BLOBSTORE_IDENTITY
WHIRR_BLOBSTORE_CREDENTIAL
whirr now expects properties to come from (in order of preference, ie later
values will take precedence (override) previous ones):
1 - values in whirr/conf/whirrrc
2 - values in ~/.whirr/whirrrc
3 - environment variables
4 - arguments passed in the command line
4 - properties file
- In a typical use case the user would maintain a whirrrc file in ~/.whirr with
the credential details.
- For punctual cases where the user wants to switch providers temporarily
he/she can set the environment variables (they override whirrrc)
- For a single command in another provider args can be used as always (which
override the previous methods)
- Also as always recipes can also have the config (which overrides everything)
if specifically set blobstore creds will follow the same procedure. if after
everything is loaded blobstore creds are still missing then they are set to
null (so that whirr can load the compute ones in its place, as usual)
maven builds and unit tests pass
was (Author: dr-alves):
Here's what I did:
there are now the following env variables:
WHIRR_PROVIDER
WHIRR_IDENTITY
WHIRR_CREDENTIAL
WHIRR_BLOBSTORE_PROVIDER
WHIRR_BLOBSTORE_IDENTITY
WHIRR_BLOBSTORE_CREDENTIAL
whirr now expects properties to come from (in order of preference, ie later
values will take precedence (override) previous ones):
1 - values in whirr/conf/whirrrc
2 - values in ~/.whirr/whirrrc
3 - environment variables
4 - arguments passed in the command line
4 - properties file
- In a typical use case the user would maintain a whirrrc file in ~/.whirr with
the credential details.
- For punctual cases where the user wants to switch providers temporarily
he/she can set the environment variables (there override whirrrc)
- For a single command in another provider args can be used as always (which
override the previous ones)
- Also as always recipes can also have the config (which overrides everything)
is specifically set blobstore creds will follow the same procedure, if after
everything is loaded blobstore creds are still missing then they are set to
null (so that whirr can load the compute ones as usual)
maven builds and unit tests pass
> Support provider-independent environment variables for cloud credentials
> ------------------------------------------------------------------------
>
> Key: WHIRR-347
> URL: https://issues.apache.org/jira/browse/WHIRR-347
> Project: Whirr
> Issue Type: Improvement
> Reporter: Tom White
> Assignee: David Alves
> Fix For: 0.8.0
>
> Attachments: WHIRR-347.patch
>
>
> Adrian suggested that we support WHIRR_PROVIDER, WHIRR_IDENTITY,
> WHIRR_CREDENTIAL environment variables. This would allow users to set them
> for any cloud they are using.
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