From 6be08f4b1d4f8d04f4b8a221eeed29e94c574407 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pablo=20Correa=20G=C3=B3mez?= Date: Wed, 14 Apr 2021 23:52:08 +0200 Subject: [PATCH] Update documentation of podman-run to reflect volume "U" option MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The "U" option is accepted by `--volume` in `podman-build`, but documentation is missing Signed-off-by: Pablo Correa Gómez --- docs/source/markdown/podman-build.1.md | 13 +++++++++++++ docs/source/markdown/podman-create.1.md | 11 ++++++++--- docs/source/markdown/podman-run.1.md | 11 ++++++++--- 3 files changed, 29 insertions(+), 6 deletions(-) diff --git a/docs/source/markdown/podman-build.1.md b/docs/source/markdown/podman-build.1.md index 1bb3c2c3a0..ed020a9a50 100644 --- a/docs/source/markdown/podman-build.1.md +++ b/docs/source/markdown/podman-build.1.md @@ -692,6 +692,7 @@ Set the architecture variant of the image to be pulled. * [rw|ro] * [z|Z|O] + * [U] * [`[r]shared`|`[r]slave`|`[r]private`] The `CONTAINER-DIR` must be an absolute path such as `/src/docs`. The `HOST-DIR` @@ -707,6 +708,18 @@ You can add the `:ro` or `:rw` suffix to a volume to mount it read-only or read-write mode, respectively. By default, the volumes are mounted read-write. See examples. + `Chowning Volume Mounts` + +By default, Podman does not change the owner and group of source volume +directories mounted. When running using user namespaces, the UID and GID inside +the namespace may correspond to another UID and GID on the host. + +The `:U` suffix tells Podman to use the correct host UID and GID based on the +UID and GID within the namespace, to change recursively the owner and group of +the source volume. + +**Warning** use with caution since this will modify the host filesystem. + `Labeling Volume Mounts` Labeling systems like SELinux require that proper labels are placed on volume diff --git a/docs/source/markdown/podman-create.1.md b/docs/source/markdown/podman-create.1.md index 9ae4ab2078..ed322e1d19 100644 --- a/docs/source/markdown/podman-create.1.md +++ b/docs/source/markdown/podman-create.1.md @@ -1073,9 +1073,14 @@ See examples. `Chowning Volume Mounts` -By default, Podman does not change the owner and group of source volume directories mounted into containers. If a container is created in a new user namespace, the UID and GID in the container may correspond to another UID and GID on the host. - -The `:U` suffix tells Podman to use the correct host UID and GID based on the UID and GID within the container, to change recursively the owner and group of the source volume. +By default, Podman does not change the owner and group of source volume +directories mounted into containers. If a container is created in a new user +namespace, the UID and GID in the container may correspond to another UID and +GID on the host. + +The `:U` suffix tells Podman to use the correct host UID and GID based on the +UID and GID within the container, to change recursively the owner and group of +the source volume. **Warning** use with caution since this will modify the host filesystem. diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md index 6d9d5ba28d..5b68e65c5f 100644 --- a/docs/source/markdown/podman-run.1.md +++ b/docs/source/markdown/podman-run.1.md @@ -1147,9 +1147,14 @@ read-write mode, respectively. By default, the volumes are mounted read-write. `Chowning Volume Mounts` -By default, Podman does not change the owner and group of source volume directories mounted into containers. If a container is created in a new user namespace, the UID and GID in the container may correspond to another UID and GID on the host. - -The `:U` suffix tells Podman to use the correct host UID and GID based on the UID and GID within the container, to change recursively the owner and group of the source volume. +By default, Podman does not change the owner and group of source volume +directories mounted into containers. If a container is created in a new user +namespace, the UID and GID in the container may correspond to another UID and +GID on the host. + +The `:U` suffix tells Podman to use the correct host UID and GID based on the +UID and GID within the container, to change recursively the owner and group of +the source volume. **Warning** use with caution since this will modify the host filesystem.