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Add --unsetenv & --unsetenv-all to remove def environment variables

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Podman adds a few environment variables by default, and
currently there is no way to get rid of them from your container.
This option will allow  you to specify which defaults you don't
want.

--unsetenv-all will remove all default environment variables.

Default environment variables can come from podman builtin,
containers.conf or from the container image.

Fixes: https://github.com/containers/podman/issues/11836

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
Daniel J Walsh
2021-10-26 12:16:21 -04:00
parent 230f0b622e
commit 44d1618dd7
14 changed files with 91 additions and 21 deletions
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12
docs/source/markdown/podman-create.1.md
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@ -1047,6 +1047,18 @@ Remote connections use local containers.conf for defaults
Set the umask inside the container. Defaults to `0022`.
Remote connections use local containers.conf for defaults
#### **--unsetenv**=*env*
Unset default environment variables for the container. Default environment
variables include variables provided natively by Podman, environment variables
configured by the image, and environment variables from containers.conf.
#### **--unsetenv-all**=*true|false*
Unset all default environment variables for the container. Default environment
variables include variables provided natively by Podman, environment variables
configured by the image, and environment variables from containers.conf.
#### **--uidmap**=*container_uid*:*from_uid*:*amount*
Run the container in a new user namespace using the supplied mapping. This

12
docs/source/markdown/podman-run.1.md
View File

@ -1117,6 +1117,18 @@ Remote connections use local containers.conf for defaults
Set the umask inside the container. Defaults to `0022`.
Remote connections use local containers.conf for defaults
#### **--unsetenv**=*env*
Unset default environment variables for the container. Default environment
variables include variables provided natively by Podman, environment variables
configured by the image, and environment variables from containers.conf.
#### **--unsetenv-all**=*true|false*
Unset all default environment variables for the container. Default environment
variables include variables provided natively by Podman, environment variables
configured by the image, and environment variables from containers.conf.
#### **--uidmap**=*container_uid*:*from_uid*:*amount*
Run the container in a new user namespace using the supplied mapping. This