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from __future__ import print_function
import os
import sys
import shutil
from distutils.dir_util import copy_tree
from distutils.file_util import copy_file
import invoke
from invoke import task
from yaksh.settings import SERVER_POOL_PORT
SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))
TARGET_CONTAINER_NAME = 'yaksh_code_server'
SRC_IMAGE_NAME = 'fossee/yaksh_codeserver'
CHECK_FILE = 'server_running.txt'
CHECK_FILE_PATH = os.path.join(SCRIPT_DIR, 'yaksh_data', CHECK_FILE)
OS_NAME = sys.platform
def create_dir(path):
if not os.path.exists(path):
os.makedirs(path)
def remove_check_file(path):
if os.path.isfile(path):
os.remove(path)
def run_as(os_name):
if os_name.startswith('linux') or os_name == 'darwin':
return 'sudo'
elif os_name.startswith('Win32'):
return None
def get_cmd(run_as_cmd, base_cmd):
if run_as_cmd:
return '{0} {1}'.format(run_as_cmd, base_cmd)
else:
return base_cmd
@task
def setupdb(ctx):
print("** Setting up & migrating database **")
ctx.run("python manage.py makemigrations")
ctx.run("python manage.py migrate")
ctx.run("python manage.py loaddata demo_fixtures.json")
@task(setupdb)
def serve(ctx):
print("** Running the Django web server. Press Ctrl-C to Exit **")
ctx.run("python manage.py runserver")
@task
def clean(ctx):
print("** Discarding database **")
ctx.run("rm -rf {0}".format(os.path.join(SCRIPT_DIR, 'db.sqlite3')))
@task
def getimage(ctx, image=SRC_IMAGE_NAME):
try:
base_cmd = "docker inspect {0}".format(image)
run_as_cmd = run_as(OS_NAME)
cmd = get_cmd(run_as_cmd, base_cmd)
ctx.run(cmd, hide=True)
except invoke.exceptions.Failure:
print("The docker image {0} does not exist locally".format(image))
print("\n** Pulling latest image <{0}> from docker hub **".format(image))
base_cmd = "docker pull {0}".format(image)
run_as_cmd = run_as(OS_NAME)
cmd = get_cmd(run_as_cmd, base_cmd)
ctx.run(cmd)
print("\n** Done! Successfully pulled latest image <{0}> **".format(image))
@task
def start(ctx, ports=SERVER_POOL_PORT, image=SRC_IMAGE_NAME, unsafe=False,
version=3):
if unsafe:
with ctx.cd(SCRIPT_DIR):
print("** Initializing local code server **")
base_cmd = "python{0} -m yaksh.code_server".format(
version
)
run_as_cmd = run_as(OS_NAME)
cmd = get_cmd(run_as_cmd, base_cmd)
ctx.run(cmd)
else:
cmd_params = {'ports': ports,
'image': SRC_IMAGE_NAME,
'name': TARGET_CONTAINER_NAME,
'vol_mount': os.path.join(SCRIPT_DIR, 'yaksh_data'),
'command': 'sh {0}'.format(
os.path.join(SCRIPT_DIR,
'yaksh_data', 'yaksh', 'scripts', 'yaksh_script.sh')
)
}
remove_check_file(CHECK_FILE_PATH)
getimage(ctx, image=SRC_IMAGE_NAME)
print("** Preparing code server **")
create_dir(os.path.join(SCRIPT_DIR, 'yaksh_data', 'data'))
create_dir(os.path.join(SCRIPT_DIR, 'yaksh_data', 'output'))
copy_tree(
os.path.join(SCRIPT_DIR, 'yaksh'),
os.path.join(SCRIPT_DIR, 'yaksh_data', 'yaksh')
)
copy_file(
os.path.join(SCRIPT_DIR, 'requirements', 'requirements-codeserver.txt'),
os.path.join(SCRIPT_DIR, 'yaksh_data')
)
print("** Initializing code server within docker container **")
base_cmd = "docker run \
-dp {ports}:{ports} --name={name} \
-v {vol_mount}:{vol_mount} \
-w {vol_mount} \
{image} {command}".format(**cmd_params)
run_as_cmd = run_as(OS_NAME)
cmd = get_cmd(run_as_cmd, base_cmd)
ctx.run(cmd)
while not os.path.isfile(CHECK_FILE_PATH):
print("** Checking code server status. Press Ctrl-C to exit **\r", end="")
print("\n** Code server is up and running successfully **")
@task
def stop(ctx, container=TARGET_CONTAINER_NAME, hide=True):
base_filter_cmd = "docker ps -q --filter='name={0}'".format(container)
run_as_cmd = run_as(OS_NAME)
cmd = get_cmd(run_as_cmd, base_filter_cmd)
result = ctx.run(cmd)
remove_check_file(CHECK_FILE_PATH)
if result.stdout:
print ("** Stopping the docker container <{0}>".format(container))
base_stop_cmd = "docker stop {0}".format(container)
cmd = get_cmd(run_as_cmd, base_stop_cmd)
ctx.run(cmd)
print ("** Done! Stopped the docker container <{0}>".format(container))
print ("** Discarding the docker container <{0}>".format(container))
base_rm_cmd = "docker rm {0}".format(container)
cmd = get_cmd(run_as_cmd, base_rm_cmd)
ctx.run(cmd)
print ("** Done! Discarded the docker container <{0}>".format(container))
else:
print("** Docker container <{0}> not found **".format(container))
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