| Message ID | 20200519132259.405-6-robert.foley@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | tests/vm: Add support for aarch64 VMs | expand |
Robert Foley <robert.foley@linaro.org> writes: > Changes to tests/vm/basevm.py to allow accepting a configuration file > as a parameter. Allows for specifying VM options such as > cpu, machine, memory, and arbitrary qemu arguments for specifying options > such as NUMA configuration. > Also added an example conf_example_aarch64.yml and conf_example_x86.yml. > > Signed-off-by: Robert Foley <robert.foley@linaro.org> > Reviewed-by: Peter Puhov <peter.puhov@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> > --- > configure | 9 ++++++ > tests/vm/Makefile.include | 6 ++++ > tests/vm/basevm.py | 40 +++++++++++++++++++++++- > tests/vm/conf_example_aarch64.yml | 51 +++++++++++++++++++++++++++++++ > tests/vm/conf_example_x86.yml | 50 ++++++++++++++++++++++++++++++ > 5 files changed, 155 insertions(+), 1 deletion(-) > create mode 100644 tests/vm/conf_example_aarch64.yml > create mode 100644 tests/vm/conf_example_x86.yml > > diff --git a/configure b/configure > index a574250524..89d11aa5d4 100755 > --- a/configure > +++ b/configure > @@ -950,6 +950,13 @@ do > fi > done > > +# Check for existence of python3 yaml, needed to > +# import yaml config files into vm-build. > +python_yaml="no" > +if $(python3 -c "import yaml" 2> /dev/null); then > + python_yaml="yes" > +fi > + > : ${smbd=${SMBD-/usr/sbin/smbd}} > > # Default objcc to clang if available, otherwise use CC > @@ -6581,6 +6588,7 @@ if test "$docs" != "no"; then > echo "sphinx-build $sphinx_build" > fi > echo "genisoimage $genisoimage" > +echo "python_yaml $python_yaml" > echo "slirp support $slirp $(echo_version $slirp $slirp_version)" > if test "$slirp" != "no" ; then > echo "smbd $smbd" > @@ -7642,6 +7650,7 @@ echo "PYTHON=$python" >> $config_host_mak > echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak > echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak > echo "GENISOIMAGE=$genisoimage" >> $config_host_mak > +echo "PYTHON_YAML=$python_yaml" >> $config_host_mak > echo "CC=$cc" >> $config_host_mak > if $iasl -h > /dev/null 2>&1; then > echo "IASL=$iasl" >> $config_host_mak > diff --git a/tests/vm/Makefile.include b/tests/vm/Makefile.include > index 74ab522c55..d9b34eae63 100644 > --- a/tests/vm/Makefile.include > +++ b/tests/vm/Makefile.include > @@ -43,6 +43,12 @@ endif > @echo " V=1 - Enable verbose ouput on host and guest commands" > @echo " QEMU=/path/to/qemu - Change path to QEMU binary" > @echo " QEMU_IMG=/path/to/qemu-img - Change path to qemu-img tool" > +ifeq ($(PYTHON_YAML),yes) > + @echo " QEMU_CONFIG=/path/conf.yml - Change path to VM configuration .yml file." > +else > + @echo " (install python3-yaml to enable support for yaml file to configure a VM.)" > +endif > + @echo " See conf_example_*.yml for file format details." > > vm-build-all: $(addprefix vm-build-, $(IMAGES)) > > diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py > index 86ec0df24a..0bc1bad839 100644 > --- a/tests/vm/basevm.py > +++ b/tests/vm/basevm.py > @@ -478,9 +478,43 @@ class BaseVM(object): > cwd=cidir, > stdin=self._devnull, stdout=self._stdout, > stderr=self._stdout) > - > return os.path.join(cidir, "cloud-init.iso") > > +def parse_config(config, args): > + """ Parse yaml config and populate our config structure. > + The yaml config allows the user to override the > + defaults for VM parameters. In many cases these > + defaults can be overridden without rebuilding the VM.""" > + if args.config: > + config_file = args.config > + elif 'QEMU_CONFIG' in os.environ: > + config_file = os.environ['QEMU_CONFIG'] > + else: > + return config > + if not os.path.exists(config_file): > + raise Exception("config file {} does not exist".format(config_file)) > + # We gracefully handle importing the yaml module > + # since it might not be installed. > + # If we are here it means the user supplied a .yml file, > + # so if the yaml module is not installed we will exit with error. > + try: > + import yaml > + except ImportError: > + print("The python3-yaml package is needed "\ > + "to support config.yaml files") > + # Instead of raising an exception we exit to avoid > + # a raft of messy (expected) errors to stdout. > + exit(1) > + with open(config_file) as f: > + yaml_dict = yaml.safe_load(f) > + > + if 'qemu-conf' in yaml_dict: > + config.update(yaml_dict['qemu-conf']) > + else: > + raise Exception("config file {} is not valid"\ > + " missing qemu-conf".format(config_file)) > + return config > + > def parse_args(vmcls): > > def get_default_jobs(): > @@ -517,6 +551,9 @@ def parse_args(vmcls): > help="run tests with a snapshot") > parser.add_option("--genisoimage", default="genisoimage", > help="iso imaging tool") > + parser.add_option("--config", "-c", default=None, > + help="Provide config yaml for configuration. "\ > + "See config_example.yaml for example.") > parser.disable_interspersed_args() > return parser.parse_args() > > @@ -528,6 +565,7 @@ def main(vmcls, config=None): > if not argv and not args.build_qemu and not args.build_image: > print("Nothing to do?") > return 1 > + config = parse_config(config, args) > logging.basicConfig(level=(logging.DEBUG if args.debug > else logging.WARN)) > vm = vmcls(args, config=config) > diff --git a/tests/vm/conf_example_aarch64.yml b/tests/vm/conf_example_aarch64.yml > new file mode 100644 > index 0000000000..9d44ae356f > --- /dev/null > +++ b/tests/vm/conf_example_aarch64.yml > @@ -0,0 +1,51 @@ > +# > +# Example yaml for use by any of the scripts in tests/vm. > +# Can be provided as an environment variable QEMU_CONFIG > +# > +qemu-conf: > + > + # If any of the below are not provided, we will just use the qemu defaults. > + > + # Login username and password(has to be sudo enabled) > + guest_user: qemu > + guest_pass: "qemupass" > + > + # Password for root user can be different from guest. > + root_pass: "qemupass" > + > + # If one key is provided, both must be provided. > + #ssh_key: /complete/path/of/your/keyfile/id_rsa > + #ssh_pub_key: /complete/path/of/your/keyfile/id_rsa.pub > + > + cpu: max > + machine: virt,gic-version=max > + memory: 16G > + > + # The below is a example for how to configure NUMA topology with > + # 4 NUMA nodes and 2 different NUMA distances. > + qemu_args: "-smp cpus=16,sockets=2,cores=8 > + -numa node,cpus=0-3,nodeid=0 -numa node,cpus=4-7,nodeid=1 > + -numa node,cpus=8-11,nodeid=2 -numa node,cpus=12-15,nodeid=3 > + -numa dist,src=0,dst=1,val=15 -numa dist,src=2,dst=3,val=15 > + -numa dist,src=0,dst=2,val=20 -numa dist,src=0,dst=3,val=20 > + -numa dist,src=1,dst=2,val=20 -numa dist,src=1,dst=3,val=20" > + > + # By default we do not set the DNS. > + # You override the defaults by setting the below. > + #dns: 1.234.567.89 > + > + # By default we will use a "block" device, but > + # you can also boot from a "scsi" device. > + # Just keep in mind your scripts might need to change > + # As you will have /dev/sda instead of /dev/vda (for block device) > + boot_dev_type: "block" > + > + # By default the ssh port is not fixed. > + # A fixed ssh port makes it easier for automated tests. > + #ssh_port: 5555 > + > + # To install a different set of packages, provide a command to issue > + #install_cmds: "apt-get update ; apt-get build-dep -y qemu" > + > + # Or to skip the install entirely, just provide "" > + #install_cmds: "" > diff --git a/tests/vm/conf_example_x86.yml b/tests/vm/conf_example_x86.yml > new file mode 100644 > index 0000000000..78d3f5830f > --- /dev/null > +++ b/tests/vm/conf_example_x86.yml > @@ -0,0 +1,50 @@ > +# > +# Example yaml for use by any of the x86 based scripts in tests/vm. > +# Can be provided as an environment variable QEMU_CONFIG > +# > +qemu-conf: > + > + # If any of the below are not provided, we will just use the qemu defaults. > + > + # Login username and password(has to be sudo enabled) > + guest_user: "qemu" > + guest_pass: "qemupass" > + > + # Password for root user can be different from guest. > + root_pass: "qemupass" > + > + # Provide default ssh keys of current user. > + # You need to edit the below for your user. > + #ssh_key_file: /home/<user>/.ssh/id_rsa > + #ssh_pub_key_file: /home/<user>/.ssh/id_rsa.pub > + > + cpu: max > + machine: pc > + memory: 8G > + > + # The below is a example for how to configure NUMA topology with > + # 4 NUMA nodes and 2 different NUMA distances. > + qemu_args: "-smp cpus=8,sockets=2,cores=4 > + -object memory-backend-ram,size=4G,policy=bind,host-nodes=0,id=ram-node0 > + -object memory-backend-ram,size=4G,policy=bind,host-nodes=0,id=ram-node1 > + -object memory-backend-ram,size=4G,policy=bind,host-nodes=1,id=ram-node2 > + -object memory-backend-ram,size=4G,policy=bind,host-nodes=1,id=ram-node3 > + -numa node,cpus=0-1,nodeid=0 -numa node,cpus=2-3,nodeid=1 > + -numa node,cpus=4-5,nodeid=2 -numa node,cpus=6-7,nodeid=3 > + -numa dist,src=0,dst=1,val=15 -numa dist,src=2,dst=3,val=15 > + -numa dist,src=0,dst=2,val=20 -numa dist,src=0,dst=3,val=20 > + -numa dist,src=1,dst=2,val=20 -numa dist,src=1,dst=3,val=20" > + > + # By default we do not set the DNS. > + # You override the defaults by setting the below. > + #dns: "1.234.567.89" > + > + # By default we will use a "block" device, but > + # you can also boot from a "scsi" device. > + # Just keep in mind your scripts might need to change > + # As you will have /dev/sda instead of /dev/vda (for block device) > + boot_dev_type: "block" > + > + # By default the ssh port is not fixed. > + # A fixed ssh port makes it easier for automated tests. > + ssh_port: 5555
diff --git a/configure b/configure index a574250524..89d11aa5d4 100755 --- a/configure +++ b/configure @@ -950,6 +950,13 @@ do fi done +# Check for existence of python3 yaml, needed to +# import yaml config files into vm-build. +python_yaml="no" +if $(python3 -c "import yaml" 2> /dev/null); then + python_yaml="yes" +fi + : ${smbd=${SMBD-/usr/sbin/smbd}} # Default objcc to clang if available, otherwise use CC @@ -6581,6 +6588,7 @@ if test "$docs" != "no"; then echo "sphinx-build $sphinx_build" fi echo "genisoimage $genisoimage" +echo "python_yaml $python_yaml" echo "slirp support $slirp $(echo_version $slirp $slirp_version)" if test "$slirp" != "no" ; then echo "smbd $smbd" @@ -7642,6 +7650,7 @@ echo "PYTHON=$python" >> $config_host_mak echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak echo "GENISOIMAGE=$genisoimage" >> $config_host_mak +echo "PYTHON_YAML=$python_yaml" >> $config_host_mak echo "CC=$cc" >> $config_host_mak if $iasl -h > /dev/null 2>&1; then echo "IASL=$iasl" >> $config_host_mak diff --git a/tests/vm/Makefile.include b/tests/vm/Makefile.include index 74ab522c55..d9b34eae63 100644 --- a/tests/vm/Makefile.include +++ b/tests/vm/Makefile.include @@ -43,6 +43,12 @@ endif @echo " V=1 - Enable verbose ouput on host and guest commands" @echo " QEMU=/path/to/qemu - Change path to QEMU binary" @echo " QEMU_IMG=/path/to/qemu-img - Change path to qemu-img tool" +ifeq ($(PYTHON_YAML),yes) + @echo " QEMU_CONFIG=/path/conf.yml - Change path to VM configuration .yml file." +else + @echo " (install python3-yaml to enable support for yaml file to configure a VM.)" +endif + @echo " See conf_example_*.yml for file format details." vm-build-all: $(addprefix vm-build-, $(IMAGES)) diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py index 86ec0df24a..0bc1bad839 100644 --- a/tests/vm/basevm.py +++ b/tests/vm/basevm.py @@ -478,9 +478,43 @@ class BaseVM(object): cwd=cidir, stdin=self._devnull, stdout=self._stdout, stderr=self._stdout) - return os.path.join(cidir, "cloud-init.iso") +def parse_config(config, args): + """ Parse yaml config and populate our config structure. + The yaml config allows the user to override the + defaults for VM parameters. In many cases these + defaults can be overridden without rebuilding the VM.""" + if args.config: + config_file = args.config + elif 'QEMU_CONFIG' in os.environ: + config_file = os.environ['QEMU_CONFIG'] + else: + return config + if not os.path.exists(config_file): + raise Exception("config file {} does not exist".format(config_file)) + # We gracefully handle importing the yaml module + # since it might not be installed. + # If we are here it means the user supplied a .yml file, + # so if the yaml module is not installed we will exit with error. + try: + import yaml + except ImportError: + print("The python3-yaml package is needed "\ + "to support config.yaml files") + # Instead of raising an exception we exit to avoid + # a raft of messy (expected) errors to stdout. + exit(1) + with open(config_file) as f: + yaml_dict = yaml.safe_load(f) + + if 'qemu-conf' in yaml_dict: + config.update(yaml_dict['qemu-conf']) + else: + raise Exception("config file {} is not valid"\ + " missing qemu-conf".format(config_file)) + return config + def parse_args(vmcls): def get_default_jobs(): @@ -517,6 +551,9 @@ def parse_args(vmcls): help="run tests with a snapshot") parser.add_option("--genisoimage", default="genisoimage", help="iso imaging tool") + parser.add_option("--config", "-c", default=None, + help="Provide config yaml for configuration. "\ + "See config_example.yaml for example.") parser.disable_interspersed_args() return parser.parse_args() @@ -528,6 +565,7 @@ def main(vmcls, config=None): if not argv and not args.build_qemu and not args.build_image: print("Nothing to do?") return 1 + config = parse_config(config, args) logging.basicConfig(level=(logging.DEBUG if args.debug else logging.WARN)) vm = vmcls(args, config=config) diff --git a/tests/vm/conf_example_aarch64.yml b/tests/vm/conf_example_aarch64.yml new file mode 100644 index 0000000000..9d44ae356f --- /dev/null +++ b/tests/vm/conf_example_aarch64.yml @@ -0,0 +1,51 @@ +# +# Example yaml for use by any of the scripts in tests/vm. +# Can be provided as an environment variable QEMU_CONFIG +# +qemu-conf: + + # If any of the below are not provided, we will just use the qemu defaults. + + # Login username and password(has to be sudo enabled) + guest_user: qemu + guest_pass: "qemupass" + + # Password for root user can be different from guest. + root_pass: "qemupass" + + # If one key is provided, both must be provided. + #ssh_key: /complete/path/of/your/keyfile/id_rsa + #ssh_pub_key: /complete/path/of/your/keyfile/id_rsa.pub + + cpu: max + machine: virt,gic-version=max + memory: 16G + + # The below is a example for how to configure NUMA topology with + # 4 NUMA nodes and 2 different NUMA distances. + qemu_args: "-smp cpus=16,sockets=2,cores=8 + -numa node,cpus=0-3,nodeid=0 -numa node,cpus=4-7,nodeid=1 + -numa node,cpus=8-11,nodeid=2 -numa node,cpus=12-15,nodeid=3 + -numa dist,src=0,dst=1,val=15 -numa dist,src=2,dst=3,val=15 + -numa dist,src=0,dst=2,val=20 -numa dist,src=0,dst=3,val=20 + -numa dist,src=1,dst=2,val=20 -numa dist,src=1,dst=3,val=20" + + # By default we do not set the DNS. + # You override the defaults by setting the below. + #dns: 1.234.567.89 + + # By default we will use a "block" device, but + # you can also boot from a "scsi" device. + # Just keep in mind your scripts might need to change + # As you will have /dev/sda instead of /dev/vda (for block device) + boot_dev_type: "block" + + # By default the ssh port is not fixed. + # A fixed ssh port makes it easier for automated tests. + #ssh_port: 5555 + + # To install a different set of packages, provide a command to issue + #install_cmds: "apt-get update ; apt-get build-dep -y qemu" + + # Or to skip the install entirely, just provide "" + #install_cmds: "" diff --git a/tests/vm/conf_example_x86.yml b/tests/vm/conf_example_x86.yml new file mode 100644 index 0000000000..78d3f5830f --- /dev/null +++ b/tests/vm/conf_example_x86.yml @@ -0,0 +1,50 @@ +# +# Example yaml for use by any of the x86 based scripts in tests/vm. +# Can be provided as an environment variable QEMU_CONFIG +# +qemu-conf: + + # If any of the below are not provided, we will just use the qemu defaults. + + # Login username and password(has to be sudo enabled) + guest_user: "qemu" + guest_pass: "qemupass" + + # Password for root user can be different from guest. + root_pass: "qemupass" + + # Provide default ssh keys of current user. + # You need to edit the below for your user. + #ssh_key_file: /home/<user>/.ssh/id_rsa + #ssh_pub_key_file: /home/<user>/.ssh/id_rsa.pub + + cpu: max + machine: pc + memory: 8G + + # The below is a example for how to configure NUMA topology with + # 4 NUMA nodes and 2 different NUMA distances. + qemu_args: "-smp cpus=8,sockets=2,cores=4 + -object memory-backend-ram,size=4G,policy=bind,host-nodes=0,id=ram-node0 + -object memory-backend-ram,size=4G,policy=bind,host-nodes=0,id=ram-node1 + -object memory-backend-ram,size=4G,policy=bind,host-nodes=1,id=ram-node2 + -object memory-backend-ram,size=4G,policy=bind,host-nodes=1,id=ram-node3 + -numa node,cpus=0-1,nodeid=0 -numa node,cpus=2-3,nodeid=1 + -numa node,cpus=4-5,nodeid=2 -numa node,cpus=6-7,nodeid=3 + -numa dist,src=0,dst=1,val=15 -numa dist,src=2,dst=3,val=15 + -numa dist,src=0,dst=2,val=20 -numa dist,src=0,dst=3,val=20 + -numa dist,src=1,dst=2,val=20 -numa dist,src=1,dst=3,val=20" + + # By default we do not set the DNS. + # You override the defaults by setting the below. + #dns: "1.234.567.89" + + # By default we will use a "block" device, but + # you can also boot from a "scsi" device. + # Just keep in mind your scripts might need to change + # As you will have /dev/sda instead of /dev/vda (for block device) + boot_dev_type: "block" + + # By default the ssh port is not fixed. + # A fixed ssh port makes it easier for automated tests. + ssh_port: 5555