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authorValentin Rothberg <rothberg@redhat.com>2021-06-22 13:08:24 +0200
committerValentin Rothberg <rothberg@redhat.com>2021-06-23 16:34:25 +0200
commit525cb54e142bc0e19b50cf982594f0c199077d18 (patch)
tree87bedba9e429ccc42f1bc4387c3af9581a521615 /docs/source/markdown
parentd3afc6b3b6d6ba1d900b74d24affb132f38622d3 (diff)
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[CI:DOCS] push/pull docs: clarify supported transports
The man pages of podman push/pull were incomplete in explaining all supported transports. To keep things simple, explain the defaults, refer to containers-transports(5) and give some examples. Fixes: #10730 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'docs/source/markdown')
-rw-r--r--docs/source/markdown/podman-pull.1.md48
-rw-r--r--docs/source/markdown/podman-push.1.md43
2 files changed, 36 insertions, 55 deletions
diff --git a/docs/source/markdown/podman-pull.1.md b/docs/source/markdown/podman-pull.1.md
index 54f990601..084327efd 100644
--- a/docs/source/markdown/podman-pull.1.md
+++ b/docs/source/markdown/podman-pull.1.md
@@ -21,42 +21,30 @@ Images are stored in local image storage.
## SOURCE
- The SOURCE is the location from which the container images are pulled.
- The Image "SOURCE" uses a "transport":"details" format. Only the `docker` (container registry)
- transport is allowed for remote access.
+ SOURCE is the location from the container image is pulled from. It supports all transports from `containers-transports(5)`. If no transport is specified, the input is subject to short-name resolution and the `docker` (i.e., container registry) transport is used. For remote clients, `docker` is the only supported transport.
- Multiple transports are supported:
-
- **dir:**_path_
- An existing local directory _path_ storing the manifest, layer tarballs and signatures as individual files. This
- is a non-standardized format, primarily useful for debugging or noninvasive container inspection.
-
- $ podman pull dir:/tmp/myimage
-
- **docker://**_docker-reference_ (Default)
- An image reference stored in a remote container image registry. The reference can include a path to a
- specific registry; if it does not, the registries listed in registries.conf will be queried to find a matching
- image. By default, credentials from podman login (stored at $XDG_RUNTIME_DIR/containers/auth.json by default)
- will be used to authenticate; if these cannot be found, we will fall back to using credentials in
- $HOME/.docker/config.json.
-
- $ podman pull quay.io/username/myimage
+```
+# Pull from a container registry
+$ podman pull quay.io/username/myimage
- **docker-archive:**_path_[**:**_docker-reference_]
- An image is stored in the `docker save` formatted file. _docker-reference_ is only used when creating such a
- file, and it must not contain a digest.
+# Pull from a container registry with short-name resolution
+$ podman pull fedora
- $ podman pull docker-archive:/tmp/myimage
+# Pull from a container registry via the docker transport
+$ podman pull docker://quay.io/username/myimage
- **docker-daemon:**_docker-reference_
- An image in _docker-reference_ format stored in the docker daemon internal storage. The _docker-reference_ can also be an image ID (docker-daemon:algo:digest).
+# Pull from a local directory
+$ podman pull dir:/tmp/myimage
- $ sudo podman pull docker-daemon:docker.io/library/myimage:33
+# Pull from a tarball in the docker-archive format
+$ podman pull docker-archive:/tmp/myimage
- **oci-archive:**_path_**:**_tag_
- An image _tag_ in a directory compliant with "Open Container Image Layout Specification" at _path_.
+# Pull from a local docker daemon
+$ sudo podman pull docker-daemon:docker.io/library/myimage:33
- $ podman pull oci-archive:/tmp/myimage
+# Pull from a tarball in the OCI-archive format
+$ podman pull oci-archive:/tmp/myimage
+```
## OPTIONS
@@ -217,7 +205,7 @@ registries.conf is the configuration file which specifies which container regist
NOTE: Use the environment variable `TMPDIR` to change the temporary storage location of downloaded container images. Podman defaults to use `/var/tmp`.
## SEE ALSO
-podman(1), podman-push(1), podman-login(1), containers-certs.d(5), containers-registries.conf(5)
+podman(1), podman-push(1), podman-login(1), containers-certs.d(5), containers-registries.conf(5), containers-transports(5)
## HISTORY
July 2017, Originally compiled by Urvashi Mohnani <umohnani@redhat.com>
diff --git a/docs/source/markdown/podman-push.1.md b/docs/source/markdown/podman-push.1.md
index e26d73891..68478accd 100644
--- a/docs/source/markdown/podman-push.1.md
+++ b/docs/source/markdown/podman-push.1.md
@@ -20,37 +20,30 @@ Images are pushed from those stored in local image storage.
## DESTINATION
- The DESTINATION is a location to store container images
- The Image "DESTINATION" uses a "transport":"details" format.
- If a transport is not given, podman push will attempt to push
- to a registry.
+ DESTINATION is the location the container image is pushed to. It supports all transports from `containers-transports(5)`. If no transport is specified, the `docker` (i.e., container registry) transport is used. For remote clients, `docker` is the only supported transport.
- Multiple transports are supported:
-
- **dir:**_path_
- An existing local directory _path_ storing the manifest, layer tarballs and signatures as individual files. This is a non-standardized format, primarily useful for debugging or noninvasive container inspection.
-
- $ podman push myimage dir:/tmp/myimage
-
- **docker://**_docker-reference_
- An image in a registry implementing the "Docker Registry HTTP API V2". By default, uses the authorization state in `$XDG_RUNTIME_DIR/containers/auth.json`, which is set using `(podman login)`. If the authorization state is not found there, `$HOME/.docker/config.json` is checked, which is set using `(docker login)`.
-
- $ podman push myimage quay.io/username/myimage
+```
+# Push to a container registry
+$ podman push quay.io/podman/stable
- **docker-archive:**_path_[**:**_docker-reference_]
- An image is stored in the `docker save` formatted file. _docker-reference_ is only used when creating such a file, and it must not contain a digest.
+# Push to a container registry via the docker transport
+$ podman push docker://quay.io/podman/stable
- $ podman push myimage docker-archive:/tmp/myimage
+# Push to a container registry with another tag
+$ podman push myimage quay.io/username/myimage
- **docker-daemon:**_docker-reference_
- An image in _docker-reference_ format stored in the docker daemon internal storage. _docker-reference_ must contain a tag.
+# Push to a local directory
+$ podman push myimage dir:/tmp/myimage
- $ sudo podman push myimage docker-daemon:docker.io/library/myimage:33
+# Push to a tarball in the docker-archive format
+$ podman push myimage docker-archive:/tmp/myimage
- **oci-archive:**_path_**:**_tag_
- An image _tag_ in a directory compliant with "Open Container Image Layout Specification" at _path_.
+# Push to a local docker daemon
+$ sudo podman push myimage docker-daemon:docker.io/library/myimage:33
- $ podman push myimage oci-archive:/tmp/myimage
+# Push to a tarball in the OCI format
+$ podman push myimage oci-archive:/tmp/myimage
+```
## OPTIONS
@@ -161,4 +154,4 @@ Storing signatures
```
## SEE ALSO
-podman(1), podman-pull(1), podman-login(1), containers-certs.d(5)
+podman(1), podman-pull(1), podman-login(1), containers-certs.d(5), containers-transports(5)