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# Identify a test's scripts.
#
# Copyright (C) 2016 Andrew Cagney <cagney@gnu.org>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
import os
import re
from glob import glob
from os import path
from fab import argutil
from fab import hosts
# In Command GUEST can be None because it is a blank line or comment.
class Command:
def __init__(self, guest, line, script):
self.guest = guest
self.line = line
self.script = script
def __str__(self):
if self.guest:
if self.script:
return self.script+" "+self.guest.name + "# " + self.line
return self.guest.name + "# " + self.line
return self.line
class Commands(list):
def __str__(self):
# string is used by --print test-scripts (it has no spaces)
return "\n".join(str(script) for script in self)
def _scripts(directory):
"""Returns a set of *.sh scripts found in DIRECTORY"""
scripts = set()
for script in glob(path.join(directory, "*.sh")):
if not path.isfile(script):
continue
# Add more filter-outs
scripts.add(path.basename(script))
return scripts
def _add_commands(script, commands, directory, guests):
for guest in guests:
for line in open(os.path.join(directory, script), "r"):
# toss blank lines and trailing '\n'
line = line.strip()
if line:
commands.append(Command(guest, line, script))
def _add_script(script, commands, scripts, directory, guests):
if script in scripts:
scripts.remove(script)
_add_commands(script, commands, directory, guests)
def _script_guests(script, guests):
matched = list()
for guest in guests:
if re.search(guest.name, script):
matched.append(guest)
return matched
def _guest_scripts(directory, logger):
"""Return a list of {guest_name:, path:} to run"""
scripts = _scripts(directory)
logger.debug("scripts: %s", scripts);
# Form a subset of GUESTS based on the names found in the
# scripts.
guests = set()
for script in scripts:
guests.update(_script_guests(script, hosts.GUESTS))
guests = sorted(guests)
logger.debug("guests: %s", guests)
# Compatibility hack: form a list of scripts matching <host>init.sh
# and within that force "nic" then "east" to be on the front of
# the list. These will be run first.
init_commands = Commands()
_add_script("nicinit.sh", init_commands,
scripts, directory, [hosts.NIC])
_add_script("eastinit.sh", init_commands,
scripts, directory, [hosts.EAST])
for guest in guests:
_add_script(guest.name+"init.sh", init_commands,
scripts, directory, [guest])
logger.debug("init commands: %s", init_commands)
# Compatibility hack: form a list of scripts matching <host>run.sh.
# These will be run second.
run_commands = Commands()
for guest in guests:
_add_script(guest.name+"run.sh", run_commands,
scripts, directory, [guest])
logger.debug("run commands: %s", run_commands)
# Part compatibility hack, part new behaviour: form a list of
# scripts matching <host>final.sh. These will be run last.
final_commands = Commands()
_add_script("final.sh", final_commands,
scripts, directory, guests)
logger.debug("final commands: %s", run_commands)
# What's left are ordered scripts. Preserve the order that the
# host names appear in the file name. For instance, the script
# 99-west-east.sh would be run on west then east.
ordered_commands = Commands()
for script in sorted(scripts):
_add_commands(script, ordered_commands, directory,
_script_guests(script, guests))
logger.debug("ordered commands: %s", ordered_commands)
# Form the list of scripts to run. Per above: init, run, ordered,
# final.
all_commands = Commands()
all_commands.extend(init_commands)
all_commands.extend(run_commands)
all_commands.extend(ordered_commands)
all_commands.extend(final_commands)
return all_commands
# for line in open("r").line includes; when <guest> is blank, a
# comment is assumed.
_GUEST_COMMAND_PATTERN = r'^(?P<guest>[a-z]*)# ?(?P<line>.*)[\n]$'
_GUEST_COMMAND_REGEX = re.compile(_GUEST_COMMAND_PATTERN)
def commands(directory, logger):
for script in ("all.sh", "all.console.txt"):
all = path.join(directory, script)
if os.path.exists(all):
commands = Commands()
# read includes '\n';
for line in open(all, "r"):
# regex matches both:
# <host># command
# and
# # comment
command = _GUEST_COMMAND_REGEX.match(line)
if command:
guest = command.group("guest")
line = command.group("line")
if guest:
commands.append(Command(hosts.lookup(guest), line, script))
elif line:
commands.append(Command(None, "# "+line, script))
else:
commands.append(Command(None, "#", script))
return commands
return _guest_scripts(directory, logger)
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