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Support Exasol connection object to access credentials #54

Merged
merged 4 commits into from
Dec 6, 2019
Merged

Support Exasol connection object to access credentials #54

merged 4 commits into from
Dec 6, 2019

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morazow
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@morazow morazow commented Dec 6, 2019

Fixes #24.

@morazow
Add Exasol named connection object support for AWS S3 access.
b811480
@morazow
Redesign usage of Exasol named connection object.
f5fbc84 
Secure credentials are provided using the connection object password
identification property.

For example, users can create a connection object as below, where secure
credentials are separated by semicolon (';'), and provided as
'KEY=VALUE' pairs.

```
CREATE CONNECTION S3_IMPORT_CONNECTION
TO ''
USER '<aws_access_key>'
IDENTIFIED BY 'S3_SECRET_KEY=<aws_secret_key>;S3_SESSION_TOKEN=<aws_session_token>';
```

Or similarly setting access key in IDENTIFIED BY section:

```
CREATE CONNECTION S3_IMPORT_CONNECTION
TO ''
USER ''
IDENTIFIED BY 'S3_ACCESS_KEY=<aws_access_key>;S3_SECRET_KEY=<aws_secret_key>;S3_SESSION_TOKEN=<aws_session_token>';
```

Then we parse this string internally and update the properties structure
with new key - value pairs.

This is better design since secure credentials are usually more than
single username / password pairs; moreover, this implementation makes it
easier to extend previous non-connection implementation.

This commit also adds support for S3 session token, that is useful when
accessing S3 using Multi Factor Authentication (MFA).
@morazow
Add connection object for Azure Blob and Azure ADLS storages.
92c7dc4
@morazow
Update docs to include connection object usage.
0693471
@morazow morazow merged commit d17708a into master Dec 6, 2019
@morazow morazow deleted the feature/add-connection-object branch January 15, 2020 08:32
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Support Exasol connection to access credentials
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@morazow