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kas/libcmds: add creation of $HOME/.aws

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Bitbake provides a S3 fetcher (`lib/bb/fetch2/s3.py`), however the
`AWS_CONFIG_FILE` and `AWS_SHARED_CREDENTIALS_FILE` variables are not
transfered to the environment of the fetcher command (`aws` in this
case) in the `runfetchcmd` function (`lib/bb/fetch2/__init__.py`).

That means the location of these files need to be the default one, so
copying it in KAS to the new HOME directory is necessary.

This patch implements the copying of those files if the
`AWS_CONFIG_FILE` and `AWS_SHARED_CREDENTIALS_FILE` are set.

Per default there variables are not available in the bitbake
environment. To have them available there a `env` entry in the kas
configuration will be necessary.

Signed-off-by: Claudius Heine <ch@denx.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
This commit is contained in:
Claudius Heine 2020-05-05 14:07:25 +02:00 committed by Jan Kiszka
parent e61dfb7650
commit 267a53e78d
2 changed files with 13 additions and 0 deletions
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3
docs/userguide.rst
View File

@ -109,6 +109,9 @@ Environment variables
+-----------------------+-----------------------------------------------------+
| ``TERM`` | The terminal options used in the `shell` plugin. |
+-----------------------+-----------------------------------------------------+
| ``AWS_CONFIG_FILE`` | Path to the awscli configuration and credentials |
| ``AWS_SHARED_CREDENTIALS_FILE`` | file that are copied to the kas home dir. |
+-----------------------+-----------------------------------------------------+
Use Cases
---------

10
kas/libcmds.py
View File

@ -131,6 +131,16 @@ class SetupHome(Command):
fds.write('[User]\n'
'\temail = kas@example.com\n'
'\tname = Kas User\n')
if (os.environ.get('AWS_CONFIG_FILE', False)
and os.environ.get('AWS_SHARED_CREDENTIALS_FILE', False)):
os.makedirs(self.tmpdirname + "/.aws")
shutil.copy(os.environ['AWS_CONFIG_FILE'],
self.tmpdirname + "/.aws/config")
shutil.copy(os.environ['AWS_SHARED_CREDENTIALS_FILE'],
self.tmpdirname + "/.aws/credentials")
ctx.environ['HOME'] = self.tmpdirname