def help_admin(request):
context = {
"wiki_url" : settings.CENTRAL_WIKI_URL,
"ips": get_ip_addresses(include_loopback=False),
"port": request.META.get("SERVER_PORT") or settings.USER_FACING_PORT(),
}
return context
def help_admin(request):
context = {
"wiki_url": settings.CENTRAL_WIKI_URL,
"ips": get_ip_addresses(include_loopback=False),
"port": settings.USER_FACING_PORT,
}
return context
def get_urls():
"""
Fetch a list of urls
:returns: STATUS_CODE, ['http://abcd:1234', ...]
"""
try:
__, __, port = get_pid()
urls = []
for addr in get_ip_addresses():
urls.append("http://{}:{}/".format(addr, port))
return STATUS_RUNNING, urls
except NotRunning as e:
return e.status_code, []
def print_server_address(port):
# Print output to user about where to find the server
addresses = get_ip_addresses(include_loopback=False)
print("To access KA Lite from another connected computer, try the following address(es):")
for addr in addresses:
print("\thttp://%s:%s/\n" % (addr, port))
print("To access KA Lite from this machine, try the following address:")
print("\thttp://127.0.0.1:%s/" % port)
for addr in get_urls_proxy(output_pipe=sys.stdout):
print("\t{}".format(addr))
print("")
def get_urls():
"""
Fetch a list of urls
:returns: STATUS_CODE, ['http://abcd:1234', ...]
"""
try:
__, __, port = get_pid()
urls = []
for addr in get_ip_addresses():
urls.append("http://{}:{}/".format(addr, port))
return STATUS_RUNNING, urls
except NotRunning as e:
return e.status_code, []
def get_urls_proxy():
"""
Get addresses of the server if we're using settings.PROXY_PORT
:raises: Exception for sure if django.conf.settings isn't loaded
"""
# Import settings and check if a proxy port exists
from django.conf import settings
if hasattr(settings, 'PROXY_PORT') and settings.PROXY_PORT:
sys.stderr.write(
"\nKA Lite configured behind another server, primary "
"addresses are:\n\n"
)
for addr in get_ip_addresses():
yield "http://{}:{}/".format(addr, settings.PROXY_PORT)
def print_server_address(port):
# Print output to user about where to find the server
addresses = get_ip_addresses(include_loopback=False)
print(
"To access KA Lite from another connected computer, try the following address(es):"
)
for addr in addresses:
print("\thttp://%s:%s/\n" % (addr, port))
print("To access KA Lite from this machine, try the following address:")
print("\thttp://127.0.0.1:%s/" % port)
for addr in get_urls_proxy(output_pipe=sys.stdout):
print("\t{}".format(addr))
print("")
def status():
"""
Check the server's status. For possible statuses, see the status dictionary
status.codes
:returns: status_code, key has description in status.codes
"""
try:
__, __, port = get_pid()
sys.stderr.write("{msg:s} (0)\n".format(msg=status.codes[0]))
sys.stderr.write("KA Lite running on:\n\n")
for addr in get_ip_addresses():
sys.stderr.write("\thttp://%s:%s/\n" % (addr, port))
return STATUS_RUNNING
except NotRunning as e:
status_code = e.status_code
verbose_status = status.codes[status_code]
sys.stderr.write("{msg:s} ({code:d})\n".format(
code=status_code, msg=verbose_status))
return status_code
def status():
"""
Check the server's status. For possible statuses, see the status dictionary
status.codes
:returns: status_code, key has description in status.codes
"""
try:
__, __, port = get_pid()
sys.stderr.write("{msg:s} (0)\n".format(msg=status.codes[0]))
sys.stderr.write("KA Lite running on:\n\n")
from fle_utils.internet.functions import get_ip_addresses
for addr in get_ip_addresses():
sys.stderr.write("\thttp://%s:%s/\n" % (addr, port))
return 0
except NotRunning as e:
status_code = e.status_code
verbose_status = status.codes[status_code]
sys.stderr.write("{msg:s} ({code:d})\n".format(code=status_code,
msg=verbose_status))
return status_code
def get_urls_proxy(output_pipe=sys.stderr):
"""
Get addresses of the server if we're using settings.PROXY_PORT
:raises: Exception for sure if django.conf.settings isn't loaded
"""
# Import settings and check if a proxy port exists
try:
from django.conf import settings
except Exception as e:
output_pipe.write("\n\nWarning, exception fetching KA Lite settings module:\n\n" + str(e) + "\n\n")
return
if (
hasattr(settings, "USER_FACING_PORT")
and settings.USER_FACING_PORT
and hasattr(settings, "HTTP_PORT")
and not settings.USER_FACING_PORT == settings.HTTP_PORT
):
output_pipe.write("\nKA Lite configured behind another server, primary " "addresses are:\n\n")
for addr in get_ip_addresses():
yield "http://{}:{}/".format(addr, settings.USER_FACING_PORT)
def get_urls_proxy(output_pipe=sys.stderr):
"""
Get addresses of the server if we're using settings.PROXY_PORT
:raises: Exception for sure if django.conf.settings isn't loaded
"""
# Import settings and check if a proxy port exists
try:
from django.conf import settings
except Exception as e:
output_pipe.write(
"\n\nWarning, exception fetching KA Lite settings module:\n\n" +
str(e) + "\n\n")
return
if hasattr(settings, 'USER_FACING_PORT') and settings.USER_FACING_PORT and \
hasattr(settings, 'HTTP_PORT') and \
not settings.USER_FACING_PORT == settings.HTTP_PORT:
output_pipe.write(
"\nKA Lite configured behind another server, primary "
"addresses are:\n\n")
for addr in get_ip_addresses():
yield "http://{}:{}/".format(addr, settings.USER_FACING_PORT)
def start(debug=False, daemonize=True, args=[], skip_job_scheduler=False, port=None):
"""
Start the kalite server as a daemon
:param args: List of options to parse to the django management command
:param port: Non-default port to bind to. You cannot run kalite on
multiple ports at the same time.
:param daemonize: Default True, will run in foreground if False
:param skip_job_scheduler: Skips running the job scheduler in a separate thread
"""
# TODO: Do we want to fail if running as root?
port = int(port or DEFAULT_LISTEN_PORT)
if not daemonize:
sys.stderr.write("Running 'kalite start' in foreground...\n")
else:
sys.stderr.write("Running 'kalite start' as daemon (system service)\n")
sys.stderr.write("\nStand by while the server loads its data...\n\n")
if os.path.exists(STARTUP_LOCK):
try:
pid, __ = read_pid_file(STARTUP_LOCK)
# Does the PID in there still exist?
if pid_exists(pid):
sys.stderr.write(
"Refusing to start: Start up lock exists: {0:s}\n".format(STARTUP_LOCK))
sys.stderr.write("Remove the file and try again.\n")
sys.exit(1)
# Couldn't parse to int
except TypeError:
pass
os.unlink(STARTUP_LOCK)
try:
if get_pid():
sys.stderr.write("Refusing to start: Already running\n")
sys.stderr.write("Use 'kalite stop' to stop the instance.\n")
sys.exit(1)
except NotRunning:
pass
# Check that the port is available by creating a simple socket and see
# if it succeeds... if it does, the port is occupied.
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connection_error = sock.connect_ex(('127.0.0.1', port))
if not connection_error:
sys.stderr.write(
"Port {0} is occupied. Please close the process that is using "
"it.\n".format(port)
)
sys.exit(1)
# Write current PID and optional port to a startup lock file
with open(STARTUP_LOCK, "w") as f:
f.write("%s\n%d" % (str(os.getpid()), port))
# Remove the startup lock at this point
if STARTUP_LOCK:
os.unlink(STARTUP_LOCK)
# Daemonize at this point, no more user output is needed
if daemonize:
from django.utils.daemonize import become_daemon
kwargs = {}
# Truncate the file
open(SERVER_LOG, "w").truncate()
print("Going to daemon mode, logging to {0}".format(SERVER_LOG))
kwargs['out_log'] = SERVER_LOG
kwargs['err_log'] = SERVER_LOG
become_daemon(**kwargs)
# Write the new PID
with open(PID_FILE, 'w') as f:
f.write("%d\n%d" % (os.getpid(), port))
manage('initialize_kalite')
# Print output to user about where to find the server
addresses = get_ip_addresses(include_loopback=False)
sys.stdout.write("To access KA Lite from another connected computer, try the following address(es):\n")
for addr in addresses:
sys.stdout.write("\thttp://%s:%s/\n" % (addr, port))
sys.stdout.write("To access KA Lite from this machine, try the following address:\n")
sys.stdout.write("\thttp://127.0.0.1:%s/\n" % port)
for addr in get_urls_proxy(output_pipe=sys.stdout):
sys.stdout.write("\t{}\n".format(addr))
sys.stdout.write("\n")
# Start the job scheduler (not Celery yet...)
cron_thread = None
if not skip_job_scheduler:
cron_thread = manage(
'cronserver_blocking',
args=[],
as_thread=True
)
# Start cherrypy service
cherrypy.config.update({
'server.socket_host': LISTEN_ADDRESS,
'server.socket_port': port,
'server.thread_pool': 18,
'checker.on': False,
})
DjangoAppPlugin(cherrypy.engine).subscribe()
# cherrypyserver automatically reloads if any modules change
# Switch-off that functionality here to save cpu cycles
# http://docs.cherrypy.org/stable/appendix/faq.html
cherrypy.engine.autoreload.unsubscribe()
try:
cherrypy.quickstart()
except KeyboardInterrupt:
# Handled in cherrypy by waiting for all threads to join
pass
except SystemExit:
print("KA Lite caught system exit signal, quitting.")
print("FINISHED serving HTTP")
if cron_thread:
# Do not exit thread together with the main process, let it finish
# cleanly
print("Asking KA Lite job scheduler to terminate...")
from fle_utils.chronograph.management.commands import cronserver_blocking
cronserver_blocking.shutdown = True
cron_thread.join()
print("Job scheduler terminated.")
def handle(self, *args, **options):
# Store base django settings and remove them from the options list
# because we are proxying one type of option list to another format
# where --foo=bar becomes foo=bar
warnings.warn(
"manage kaserve is deprecated, please use kalite start [--foreground] [...]",
RemovedInKALite_v015_Warning
)
base_django_settings = {}
for opt in BaseCommand.option_list:
base_django_settings[opt.dest] = options[opt.dest]
del options[opt.dest]
# Parse the crappy way that runcherrypy takes args,
# or the host/port
for arg in args:
if "=" in arg:
(key,val) = arg.split("=")
options[key] = val
elif ":" in arg:
(options["host"], options["port"]) = arg.split(":")
elif isnumeric(arg):
options["port"] = arg
else:
raise CommandError("Unexpected argument format: %s" % arg)
# In order to avoid doing this twice when the autoreloader
# loads this process again, only execute the initialization
# code if autoreloader won't be run (daemonize), or if
# RUN_MAIN is set (autoreloader has started)
if options["daemonize"] or os.environ.get("RUN_MAIN"):
self.setup_server_if_needed()
# we do this on every server request,
# as we don't know what happens when we're not looking.
self.reinitialize_server()
# In case any chronograph threads were interrupted the last time
# the server was stopped, clear their is_running flags to allow
# them to be started up again as needed.
Job.objects.update(is_running=False)
# Copy static media, one reason for not symlinking: It is not cross-platform and can cause permission issues
# with many webservers
logging.info("Copying static media...")
call_command("collectstatic", interactive=False, verbosity=0)
call_command("collectstatic_js_reverse", interactive=False)
if options['startuplock']:
os.unlink(options['startuplock'])
# Now call the proper command
if not options["production"]:
call_command("runserver", "%s:%s" % (options["host"], options["port"]))
else:
del options["production"]
addresses = get_ip_addresses(include_loopback=False)
sys.stdout.write("To access KA Lite from another connected computer, try the following address(es):\n")
for addr in addresses:
sys.stdout.write("\thttp://%s:%s/\n" % (addr, settings.USER_FACING_PORT()))
sys.stdout.write("To access KA Lite from this machine, try the following address:\n")
sys.stdout.write("\thttp://127.0.0.1:%s/\n" % settings.USER_FACING_PORT())
call_command("runcherrypyserver", *["%s=%s" % (key,val) for key, val in options.iteritems()], **base_django_settings)
def diagnose():
"""
This command diagnoses an installation of KA Lite
It has to be able to work with instances of KA Lite that users do not
actually own, however it's assumed that the path and the 'kalite' commands
are configured and work.
The function is currently non-robust, meaning that not all aspects of
diagnose data collection is guaranteed to succeed, thus the command could
potentially fail :(
Example: KALITE_HOME=/home/otheruser/.kalite kalite diagnose --port=7007
"""
print("")
print("KA Lite diagnostics")
print("")
# Tell users we are calculating, because checking the size of the
# content directory is slow. Flush immediately after.
print("Calculating diagnostics...")
sys.stdout.flush()
print("")
# Key, value store for diagnostics
# Not using OrderedDict because of python 2.6
diagnostics = []
diag = lambda x, y: diagnostics.append((x, y))
diag("KA Lite version", kalite.__version__)
diag("python", sys.version)
diag("platform", platform.platform())
try:
__, __, port = get_pid()
for addr in get_ip_addresses():
diag("server address", "http://%s:%s/" % (addr, port))
status_code = STATUS_RUNNING
except NotRunning as e:
status_code = e.status_code
diag("server status", status.codes[status_code])
settings_imported = True # Diagnostics from settings
try:
from django.conf import settings
from django.template.defaultfilters import filesizeformat
except:
settings_imported = False
diag("Settings failure", traceback.format_exc())
if settings_imported:
diag("installed in", os.path.dirname(kalite.__file__))
diag("content root", settings.CONTENT_ROOT)
diag("content size", filesizeformat(get_size(settings.CONTENT_ROOT)))
diag("user database", settings.DATABASES['default']['NAME'])
diag("assessment database", settings.DATABASES['assessment_items']['NAME'])
try:
from securesync.models import Device
device = Device.get_own_device()
sync_sessions = device.client_sessions.all()
zone = device.get_zone()
diag("device name", str(device.name))
diag("device ID", str(device.id))
diag("device registered", str(device.is_registered()))
diag("synced", str(sync_sessions.latest('timestamp').timestamp if sync_sessions.exists() else "Never"))
diag("sync result", ("OK" if sync_sessions.latest('timestamp').errors == 0 else "Error") if sync_sessions.exists() else "-")
diag("zone ID", str(zone.id) if zone else "Unset")
except:
diag("Device failure", traceback.format_exc())
for k, v in diagnostics:
# Pad all the values to match the key column
values = str(v).split("\n")
values = "\n".join([values[0]] + map(lambda x: (" " * 22) + x, values[1:]))
print((k.upper() + ": ").ljust(21), values)
def start(debug=False, watch=False, daemonize=True, args=[], skip_job_scheduler=False, port=None):
"""
Start the kalite server as a daemon
:param args: List of options to parse to the django management command
:param port: Non-default port to bind to. You cannot run kalite on
multiple ports at the same time.
:param daemonize: Default True, will run in foreground if False
:param skip_job_scheduler: Skips running the job scheduler in a separate thread
"""
# TODO: Do we want to fail if running as root?
port = int(port or DEFAULT_LISTEN_PORT)
if not daemonize:
sys.stderr.write("Running 'kalite start' in foreground...\n")
else:
sys.stderr.write("Running 'kalite start' as daemon (system service)\n")
sys.stderr.write("\nStand by while the server loads its data...\n\n")
if os.path.exists(STARTUP_LOCK):
try:
pid, __ = read_pid_file(STARTUP_LOCK)
# Does the PID in there still exist?
if pid_exists(pid):
sys.stderr.write(
"Refusing to start: Start up lock exists: {0:s}\n".format(STARTUP_LOCK))
sys.stderr.write("Remove the file and try again.\n")
sys.exit(1)
# Couldn't parse to int
except TypeError:
pass
os.unlink(STARTUP_LOCK)
try:
if get_pid():
sys.stderr.write("Refusing to start: Already running\n")
sys.stderr.write("Use 'kalite stop' to stop the instance.\n")
sys.exit(1)
except NotRunning:
pass
# Check that the port is available by creating a simple socket and see
# if it succeeds... if it does, the port is occupied.
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connection_error = sock.connect_ex(('127.0.0.1', port))
if not connection_error:
sys.stderr.write(
"Port {0} is occupied. Please close the process that is using "
"it.\n".format(port)
)
sys.exit(1)
# Write current PID and optional port to a startup lock file
with open(STARTUP_LOCK, "w") as f:
f.write("%s\n%d" % (str(os.getpid()), port))
manage('initialize_kalite')
if watch:
watchify_thread = Thread(target=start_watchify)
watchify_thread.daemon = True
watchify_thread.start()
# Remove the startup lock at this point
if STARTUP_LOCK:
os.unlink(STARTUP_LOCK)
# Print output to user about where to find the server
addresses = get_ip_addresses(include_loopback=False)
print("To access KA Lite from another connected computer, try the following address(es):")
for addr in addresses:
print("\thttp://%s:%s/" % (addr, port))
print("To access KA Lite from this machine, try the following address:")
print("\thttp://127.0.0.1:%s/\n" % port)
# Daemonize at this point, no more user output is needed
if daemonize:
from django.utils.daemonize import become_daemon
kwargs = {}
# Truncate the file
open(SERVER_LOG, "w").truncate()
print("Going to daemon mode, logging to {0}".format(SERVER_LOG))
kwargs['out_log'] = SERVER_LOG
kwargs['err_log'] = SERVER_LOG
become_daemon(**kwargs)
# Write the new PID
with open(PID_FILE, 'w') as f:
f.write("%d\n%d" % (os.getpid(), port))
# Start the job scheduler (not Celery yet...)
cron_thread = None
if not skip_job_scheduler:
cron_thread = manage(
'cronserver_blocking',
args=[],
as_thread=True
)
# Start cherrypy service
cherrypy.config.update({
'server.socket_host': LISTEN_ADDRESS,
'server.socket_port': port,
'server.thread_pool': 18,
'checker.on': False,
})
DjangoAppPlugin(cherrypy.engine).subscribe()
if not watch:
# cherrypyserver automatically reloads if any modules change
# Switch-off that functionality here to save cpu cycles
# http://docs.cherrypy.org/stable/appendix/faq.html
cherrypy.engine.autoreload.unsubscribe()
try:
cherrypy.quickstart()
except KeyboardInterrupt:
# Handled in cherrypy by waiting for all threads to join
pass
except SystemExit:
print("KA Lite caught system exit signal, quitting.")
print("FINISHED serving HTTP")
if cron_thread:
# Do not exit thread together with the main process, let it finish
# cleanly
print("Asking KA Lite job scheduler to terminate...")
from fle_utils.chronograph.management.commands import cronserver_blocking
cronserver_blocking.shutdown = True
cron_thread.join()
print("Job scheduler terminated.")
def start(debug=False, daemonize=True, args=[], skip_job_scheduler=False, port=None):
"""
Start the kalite server as a daemon
:param args: List of options to parse to the django management command
:param port: Non-default port to bind to. You cannot run kalite on
multiple ports at the same time.
:param daemonize: Default True, will run in foreground if False
:param skip_job_scheduler: Skips running the job scheduler in a separate thread
"""
# TODO: Do we want to fail if running as root?
port = int(port or DEFAULT_LISTEN_PORT)
if not daemonize:
sys.stderr.write("Running 'kalite start' in foreground...\n")
else:
sys.stderr.write("Running 'kalite start' as daemon (system service)\n")
sys.stderr.write("\nStand by while the server loads its data...\n\n")
if os.path.exists(STARTUP_LOCK):
try:
pid, __ = read_pid_file(STARTUP_LOCK)
# Does the PID in there still exist?
if pid_exists(pid):
sys.stderr.write(
"Refusing to start: Start up lock exists: {0:s}\n".format(STARTUP_LOCK))
sys.exit(1)
# Couldn't parse to int
except TypeError:
pass
os.unlink(STARTUP_LOCK)
try:
if get_pid():
sys.stderr.write("Refusing to start: Already running\n")
sys.exit(1)
except NotRunning:
pass
# Write current PID and optional port to a startup lock file
with open(STARTUP_LOCK, "w") as f:
f.write("%s\n%d" % (str(os.getpid()), port))
manage('initialize_kalite')
# Start the job scheduler (not Celery yet...)
# This command is run before starting the server, in case the server
# should be configured to not run in daemon mode or in case the
# server fails to go to daemon mode.
if not skip_job_scheduler:
manage(
'cronserver_blocking',
args=[],
as_thread=True
)
# Remove the startup lock at this point
if STARTUP_LOCK:
os.unlink(STARTUP_LOCK)
# Print output to user about where to find the server
addresses = get_ip_addresses(include_loopback=False)
sys.stdout.write("To access KA Lite from another connected computer, try the following address(es):\n")
for addr in addresses:
sys.stdout.write("\thttp://%s:%s/\n" % (addr, port))
sys.stdout.write("To access KA Lite from this machine, try the following address:\n")
sys.stdout.write("\thttp://127.0.0.1:%s/\n" % port)
# Daemonize at this point, no more user output is needed
if daemonize:
from django.utils.daemonize import become_daemon
kwargs = {}
# Truncate the file
open(SERVER_LOG, "w").truncate()
print("Going to daemon mode, logging to {0}".format(SERVER_LOG))
kwargs['out_log'] = SERVER_LOG
kwargs['err_log'] = SERVER_LOG
become_daemon(**kwargs)
# Write the new PID
with open(PID_FILE, 'w') as f:
f.write("%d\n%d" % (os.getpid(), port))
# Start cherrypy service
cherrypy.config.update({
'server.socket_host': LISTEN_ADDRESS,
'server.socket_port': port,
'server.thread_pool': 18,
'checker.on': False,
})
DjangoAppPlugin(cherrypy.engine).subscribe()
if not debug:
# cherrypyserver automatically reloads if any modules change
# Switch-off that functionality here to save cpu cycles
# http://docs.cherrypy.org/stable/appendix/faq.html
cherrypy.engine.autoreload.unsubscribe()
cherrypy.quickstart()
print("FINISHED serving HTTP")
