Podman machine enhancements

Podman machine remove is now called `rm`.

Podman machine create now supports resizing the image to the value of
--disk-size as provided.  The default is to 10G.

Added systemd unit file on guest via ignition that sends a Ready message
to the host over a virtio-socket so that we know when the VM is booted
and ready for use.

Podman machine commands no longer require a VM name as an argument.  A
default VM name is defined and if no VM name is provided as a arg, the
default will be used.

[NO TESTS NEEDED]

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

1 files changed, 65 insertions, 0 deletions

diff --git a/docs/source/markdown/podman-machine-rm.1.md b/docs/source/markdown/podman-machine-rm.1.md
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+% podman-machine-rm(1)
+
+## NAME
+podman\-machine\-rm - Remove a virtual machine
+
+## SYNOPSIS
+**podman machine rm** [*options*] [*name*]
+
+## DESCRIPTION
+
+Remove a virtual machine and its related files.  What is actually deleted
+depends on the virtual machine type.  For all virtual machines, the generated
+SSH keys and the podman system connection are deleted.  The ignition files
+generated for that VM are also removed as is its image file on the filesystem.
+
+Users get a display of what will be deleted and are required to confirm unless the option `--force`
+is used.
+
+
+## OPTIONS
+
+#### **--help**
+
+Print usage statement.
+
+#### **--force**
+
+Delete without confirmation
+
+#### **--save-ignition**
+
+Do not delete the generated ignition file
+
+#### **--save-image**
+
+Do not delete the VM image
+
+#### **--save-keys**
+
+Do not delete the SSH keys for the VM.  The system connection is always
+deleted.
+
+## EXAMPLES
+
+Remove a VM named "test1"
+
+```
+$ podman machine rm test1
+
+The following files will be deleted:
+
+/home/user/.ssh/test1
+/home/user/.ssh/test1.pub
+/home/user/.config/containers/podman/machine/qemu/test1.ign
+/home/user/.local/share/containers/podman/machine/qemu/test1_fedora-coreos-33.20210315.1.0-qemu.x86_64.qcow2
+/home/user/.config/containers/podman/machine/qemu/test1.json
+
+Are you sure you want to continue? [y/N] y
+```
+
+## SEE ALSO
+podman-machine (1)
+
+## HISTORY
+March 2021, Originally compiled by Ashley Cui <acui@redhat.com>