def VM_SSH(name):
"""open a shell to a virtual machine
Open an SSH session to a running virtual machine.
"""
vm = VM.find(name)
if not vm.running():
raise fail("VM is not running: {}", vm.name)
vm.forward(22)
host = "linux-vm"
if vm.system == 'windows':
host = "windows-vm"
with env(debug=True):
exe("ssh -F %s %s" % (CTL_DIR + "/ssh_config", host))
def CLIENT(engine, name=None):
"""start a native database client
Run `cogs client <engine> [<name>]` to start a native database
client on a regression database.
If the database name is not specified, the client is started
with administrative rights against the default database.
To get a list of supported engines and databases, run:
`cogs help createdb`
"""
command = make_client(engine, name)
with env(debug=True):
exe(command)
def unpack_iso(self, iso_path, target_path):
# Unpack an ISO image.
assert os.path.isfile(iso_path)
if not os.path.exists(target_path):
mktree(target_path)
debug("unpacking: {} => {}", iso_path, target_path)
listing = pipe("isoinfo -i %s -R -f" % iso_path)
for entry in listing.splitlines():
filename = target_path + entry
dirname = os.path.dirname(filename)
if not os.path.exists(dirname):
mktree(dirname)
with env(debug=False):
content = pipe("isoinfo -i %s -R -x '%s'" % (iso_path, entry))
if not content:
continue
#debug("extracting: {} => {}", entry, filename)
stream = open(filename, 'w')
stream.write(content)
stream.close()
def pyflakes(command):
# Run `pyflakes <command>`.
with env(debug=True):
sh(env.pyflakes_path + " " + command)
def coverage_py(command, environ=None):
# Run `coverage <command>`.
path = env.coverage_path
with env(debug=True):
sh(path + " " + command, environ=environ)
def exe_htsql_ctl(command, environ=None):
# Execute `htsql-ctl <command>`.
with env(debug=True):
exe(env.ctl_path + " " + command, environ=environ)
def exe_regress(command):
# Run `pbbt test/regress.yaml <command>`.
variables = make_variables()
with env(debug=True):
exe(env.pbbt_path + " test/regress.yaml -E test/regress.py " +
variables + command)
def LINT():
"""detect errors in the source code with PyFlakes"""
with env(debug=True):
exe("pyflakes src/cogs")
def htsql_ctl(command, environ=None):
# Run `htsql-ctl <command>`.
with env(debug=True):
sh(env.ctl_path + " " + command)
def PURGE_TEST():
"""purge stale output records from regression tests"""
with env(debug=True):
exe("pbbt test/input.yaml test/output.yaml -q --train --purge")
def TRAIN():
"""run regression tests in the train mode"""
with env(debug=True):
exe("pbbt test/input.yaml test/output.yaml --train")
def TEST():
"""run regression tests"""
with env(debug=True):
exe("pbbt test/input.yaml test/output.yaml -q")
def sphinx(command, cd=None):
# Run `sphinx-build <command>`.
with env(debug=True):
sh(env.sphinx_path + " " + command, cd=cd)
def python(command, cd=None):
# Run `python <command>`.
with env(debug=True):
sh(env.python_path + " " + command, cd=cd)
