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Re: [Qemu-devel] [PATCH v3 10/10] tests: Add README for vm tests


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH v3 10/10] tests: Add README for vm tests
Date: Tue, 22 Aug 2017 14:38:27 +0100
User-agent: Mutt/1.8.3 (2017-05-23)

On Tue, Aug 22, 2017 at 12:41:55PM +0800, Fam Zheng wrote:
> Signed-off-by: Fam Zheng <address@hidden>
> ---
>  tests/vm/README | 63 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 tests/vm/README
> 
> diff --git a/tests/vm/README b/tests/vm/README
> new file mode 100644
> index 0000000000..a18b285507
> --- /dev/null
> +++ b/tests/vm/README
> @@ -0,0 +1,63 @@
> +=== VM test suite to run build in guests ===
> +
> +== Intro ==
> +
> +This test suite contains scripts that bootstrap various guest images that has

s/that has/that have/ (because "images" is plural)

> +necessary packages to build QEMU. The basic usage is documented in Makefile
> +help which is displayed with "make vm-test".
> +
> +== Quick start ==
> +
> +Run "make vm-test" to list available make targets.
> +
> +== Manual invocation ==
> +
> +Each guest script is an executable script with the same uage. For example to

s/uage/usage/

I would say "command-line options" instead though.

> +work with the netbsd guest, use $QEMU_SRC/tests/vm/netbsd:
> +
> +    $ cd $QEMU_SRC/tests/vm
> +
> +    # To bootstrap the image
> +    $ ./netbsd --build-image --image /var/tmp/netbsd.img
> +    <...>
> +
> +    # To run an arbitrary command in guest (the output will not be echoed 
> unless
> +    # --debug is added)
> +    $ ./netbsd --debug --image /tmp/netbsd.img uname -a
> +
> +    # To build QEMU in guest
> +    $ ./netbsd --debug --image /tmp/netbsd.img --build-qemu $QEMU_SRC
> +
> +    # To get to an interactive shell
> +    $ ./netbsd --interactive --image /tmp/netbsd.img sh
> +
> +== Adding new guests ==
> +
> +Please look at existing guest scripts for how to add new guests.
> +
> +Most importantly, create a subclass of BaseVM and implement build_image()
> +method and define BUILD_SCRIPT, then finally call basevm.main() from the
> +scripts main().

s/scripts/script's/ (possessive form)

> +
> +  - Usually in build_image(), a template image is downloaded from a 
> predefined
> +    URL. BaseVM._download_with_cache() takes care of cache the checksum, so

s/cache/caching/ (verb)

> +    consider using it.
> +
> +  - Once the image is downloaded, users, SSH server and QEMU build deps 
> should
> +    be set up:
> +
> +    * Root password set to BaseVM.ROOT_PASS
> +    * User BaseVM.GUEST_USER is create, and password set to BaseVM.GUEST_PASS

s/create/created/ (participle)

> +    * SSH service is enabled and started on boot, BaseVM.SSH_PUB_KEY is added
> +      to authorized_keys of both root and the normal user
> +    * DHCP client service is enabled and started on boot, so that it can
> +      automatically configure the virtio-net-pci NIC and communicate with 
> QEMU
> +      user net (10.0.2.2)
> +    * Necessary packages are installed to untar the source tarball and build
> +      QEMU
> +
> +  - Write a proper BUILD_SCRIPT template, which should be a shell script that
> +    untars a raw virtio-blk block device, which is the tarball data blob of 
> the
> +    QEMU source tree, then configure/build it. Running "make check" is also
> +    recommended.
> +
> -- 
> 2.13.5
> 



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