Update document formatting and packaging code

* Refactored code and Makefile to support new docs layout
* Removed some old code packaging code
* Add Readme.md to document what we're doing

Signed-off-by: Jhon Honce <jhonce@redhat.com>
Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 122 insertions, 0 deletions

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+% podman-container-runlabel(1)
+
+## NAME
+podman-container-runlabel - Executes a command as described by a container image label
+
+## SYNOPSIS
+**podman container runlabel** [*options*] *label* *image* [*arg...*]
+
+## DESCRIPTION
+**podman container runlabel** reads the provided `LABEL` field in the container
+IMAGE and executes the provided value for the label as a command. If this field does not
+exist, `podman container runlabel` will just exit.
+
+If the container image has a LABEL INSTALL instruction like the following:
+
+`LABEL INSTALL /usr/bin/podman run -t -i --rm \${OPT1} --privileged -v /:/host --net=host --ipc=host --pid=host -e HOST=/host -e NAME=\${NAME} -e IMAGE=\${IMAGE} -e CONFDIR=\/etc/${NAME} -e LOGDIR=/var/log/\${NAME} -e DATADIR=/var/lib/\${NAME} \${IMAGE} \${OPT2} /bin/install.sh \${OPT3}`
+
+`podman container runlabel` will set the following environment variables for use in the command:
+
+If the container image does not have the desired label, an error message will be displayed along with a non-zero
+return code.  If the image is not found in local storage, Podman will attempt to pull it first.
+
+**LABEL**
+The label name specified via the command.
+
+**IMAGE**
+Image name specified via the command.
+
+**SUDO_UID**
+The `SUDO_UID` environment variable.  This is useful with the podman
+`-u` option for user space tools.  If the environment variable is
+not available, the value of `/proc/self/loginuid` is used.
+
+**SUDO_GID**
+The `SUDO_GID` environment variable.  This is useful with the podman
+`-u` option for user space tools.  If the environment variable is
+not available, the default GID of the value for `SUDO_UID` is used.
+If this value is not available, the value of `/proc/self/loginuid`
+is used.
+
+Any additional arguments will be appended to the command.
+
+## OPTIONS:
+**--authfile**=*path*
+
+Path of the authentication file. Default is ${XDG\_RUNTIME\_DIR}/containers/auth.json, which is set using `podman login`.
+If the authorization state is not found there, $HOME/.docker/config.json is checked, which is set using `docker login`. (Not available for remote commands)
+
+Note: You can also override the default path of the authentication file by setting the REGISTRY\_AUTH\_FILE
+environment variable. `export REGISTRY_AUTH_FILE=path`
+
+**--display**
+
+Display the label's value of the image having populated its environment variables.
+The runlabel command will not execute if --display is specified.
+
+**--cert-dir**=*path*
+
+Use certificates at *path* (\*.crt, \*.cert, \*.key) to connect to the registry.
+Default certificates directory is _/etc/containers/certs.d_. (Not available for remote commands)
+
+**--creds**=*[username[:password]]*
+
+The [username[:password]] to use to authenticate with the registry if required.
+If one or both values are not supplied, a command line prompt will appear and the
+value can be entered.  The password is entered without echo.
+
+**--help**, **-h**
+Print usage statement
+
+**--name**, **-n**=*name*
+
+Use this name for creating content for the container. NAME will default to the IMAGENAME if it is not specified.
+
+**--quiet**, **-q**
+
+Suppress output information when pulling images
+
+**--replace**
+
+If a container exists of the default or given name, as needed it will be stopped, deleted and a new container will be
+created from this image.
+
+**--rootfs**=*ROOTFS*
+
+Set rootfs
+
+**--set**=*NAME*=*VALUE*
+
+Set name & value
+
+**--storage**
+Use storage
+
+**--tls-verify**
+
+Require HTTPS and verify certificates when contacting registries (default: true). If explicitly set to true,
+then TLS verification will be used. If set to false, then TLS verification will not be used. If not specified,
+TLS verification will be used unless the target registry is listed as an insecure registry in registries.conf (Not available for remote commands)
+
+## Examples
+
+Execute the run label of an image called foobar.
+```
+$ sudo podman container runlabel run foobar
+```
+
+Execute the install label of an image called foobar with additional arguments.
+```
+$ sudo podman container runlabel install foobar apples oranges
+```
+
+Display the command that would be executed by runlabel.
+```
+$ sudo podman container runlabel --display run foobar
+```
+
+## SEE ALSO
+podman(1)
+
+## HISTORY
+September 2018, Originally compiled by Brent Baude (bbaude at redhat dot com)