def prepare_ngas_data_dir():
"""Creates a new NGAS root directory"""
info('Preparing NGAS root directory')
nrd = APP_root_dir()
tgt_cfg = os.path.join(nrd, 'cfg', 'ngamsServer.conf')
with cd(APP_source_dir()):
cmd = ['./prepare_ngas_root.sh']
if 'NGAS_OVERWRITE_ROOT' in env and env.NGAS_OVERWRITE_ROOT:
cmd.append('-f')
cmd.append(nrd)
res = run(' '.join(cmd), quiet=True)
if res.succeeded:
success("NGAS data directory ready")
env.tgt_cfg = tgt_cfg
return tgt_cfg
# Deal with the errors here
error = 'NGAS root directory preparation under {0} failed.\n'.format(nrd)
if res.return_code == 2:
error = (nrd +
" already exists. Specify NGAS_OVERWRITE_ROOT to overwrite, "
"or a different NGAS_ROOT_DIR location")
else:
error = res
abort(error)
def sysinitstop_EAGLE():
"""
Stops the nginx and uwsgi services if running.
NOTE: Requires sudo privilidges
"""
info('Check and stop {0}'.format(APP))
if env.FAB_TASK == 'docker_image':
env.sudo_user = '******'
elif env.FAB_TASK == 'aws_deploy':
env.sudo_user = env.AWS_SUDO_USER
try:
u = urllib2.urlopen('http://{0}/static/html/index.html'.
format(env.host_string))
except urllib2.URLError:
red("EAGLE NOT running!")
return
r = u.read()
u.close()
if type(r) == bytes: # required for Python3
r = r.decode('UTF-8')
assert r.find('eagle-s-user-documentation') > -1, red("EAGLE NOT running")
with settings(user=env.sudo_user):
sudo('service nginx stop')
sudo('service uwsgi stop')
def sysinitstart_RASVAMT_and_check_status():
"""
Starts the APP daemon process and checks that the server is up and running
then it shuts down the server
"""
# We sleep 2 here as it was found on Mac deployment to docker container
# that the shell would exit before the APPDaemon could detach, thus
# resulting in no startup self.
#
# Please replace following line with something meaningful
# virtualenv('ngamsDaemon start -cfg {0} && sleep 2'.format(tgt_cfg))
env.APP_INSTALL_DIR = os.path.abspath(os.path.join(home(), APP_INSTALL_DIR_NAME))
env.APP_ROOT_DIR = os.path.abspath(os.path.join(home(), APP_ROOT_DIR_NAME))
env.APP_SRC_DIR = os.path.abspath(os.path.join(home(), APP_SRC_DIR_NAME))
info('Start {0} and check'.format(APP))
start_unicorn()
with settings(user=env.AWS_SUDO_USER):
sudo('service nginx start')
try:
u = urllib2.urlopen('http://{0}/static/html/index.html'.
format(env.host_string))
except urllib2.URLError:
red("RASVAMT NOT running!")
return
r = u.read()
u.close()
assert r.find('rasvamt-s-user-documentation') > -1, red("RASVAMT NOT running")
def start_APP_and_check_status():
"""
Starts the APP daemon process and checks that the server is up and running
then it shuts down the server
"""
with cd('{0}/pyvospace/server/deploy'.format(APP_source_dir())):
# >>>> Darwin docker shows a permission issue with keychain access <<<<
if get_linux_flavor() != 'Darwin':
virtualenv('docker-compose build')
else:
info('>>>> Darwin reuqires to build docker container manually')
info('>>>> docker-compose build')
virtualenv(
'docker run -d -p 5435:5432 pyvospace/pyvospace-db -h 0.0.0.0')
time.sleep(10)
with cd('{0}'.format(APP_source_dir())):
virtualenv('python -m unittest discover test')
# run('mkdir -p /tmp/fuse')
# virtualenv('posix_space --cfg test_vo.ini > /tmp/space.log 2>&1')
# time.sleep(2)
# virtualenv('posix_storage --cfg test_vo.ini > /tmp/storage.log 2>&1')
# time.sleep(2)
# virtualenv('python -m pyvospace.client.fuse --host localhost --port 8080 --username test --password test --mountpoint /tmp/fuse/`` > /tmp/fusemnt.log 2>&1')
# time.sleep(2)
# run("cd /tmp/fuse && mkdir -p newdir && cd newdir && echo 'Hello World!' >> data && cat data")
success('{0} is working...'.format(env.APP_NAME))
def sysinitstart_EAGLE_and_check_status():
"""
Starts the APP daemon process and checks that the server is up and running
then it shuts down the server
"""
# We sleep 2 here as it was found on Mac deployment to docker container
# that the shell would exit before the APPDaemon could detach, thus
# resulting in no startup self.
#
# Please replace following line with something meaningful
# virtualenv('ngamsDaemon start -cfg {0} && sleep 2'.format(tgt_cfg))
info('Start {0} and check'.format(APP))
if env.FAB_TASK == 'docker_image':
env.sudo_user = '******'
elif env.FAB_TASK == 'aws_deploy':
env.sudo_user = env.AWS_SUDO_USER
with settings(user=env.sudo_user):
sudo('service nginx start')
sudo('service uwsgi start')
try:
u = urllib2.urlopen('http://{0}/static/html/index.html'.
format(env.host_string))
except urllib2.URLError:
red("EAGLE NOT running!")
return
r = u.read()
u.close()
if type(r) == bytes: # required for Python3
r = r.decode('UTF-8')
if r.find('eagle-s-user-documentation') > -1:
red("EAGLE NOT running")
else:
green("EAGLE running. Connect through: http://{0}/new".format(env.host_string))
def install_and_check():
"""
Creates a virtualenv, installs APP on it,
starts APP and checks that it is running
"""
copy_sources()
if env.APP_PYTHON_URL: virtualenv_setup() # if APP needs python at all
build()
tgt_cfg = None
if 'prepare_APP_data_dir' in env:
tgt_cfg = env.prepare_APP_data_dir()
install_user_profile()
if 'APP_start_check_function' in env:
env.APP_start_check_function()
else:
info('APP_start_check_function not defined in APPspecific')
return APP_source_dir(), tgt_cfg
def prepare_install_and_check():
# Install system packages, create user if necessary, install and start APP
nuser = APP_user()
install_system_packages()
create_user(nuser)
# Execute addition sudo related functions
env.APP_extra_sudo_function()
# postfix_config()
# Go, go, go!
with settings(user=nuser):
nsd, cfgfile = install_and_check()
if 'APP_init_install_function' in env:
env.APP_init_install_function(nsd, nuser, cfgfile)
else:
info('APP_init_install_function not defined in APPspecific')
if 'sysinitAPP_start_check_function' in env:
env.sysinitAPP_start_check_function()
else:
info('sysinitAPP_start_check_function not defined in APPspecific')
def build():
"""
Builds and installs APP into the target virtualenv.
"""
info('Building {0}...'.format(env.APP_NAME))
with cd(APP_source_dir()):
extra_pkgs = extra_python_packages()
if extra_pkgs:
virtualenv('pip install %s' % ' '.join(extra_pkgs))
else:
info('No extra Python packages')
with cd(APP_source_dir()):
build_cmd = env.build_cmd()
info('Build command: {0}'.format(build_cmd))
if build_cmd and build_cmd != '':
virtualenv(build_cmd)
if 'build_function' in env and env.build_function:
res = env.build_function()
# Install the /etc/init.d script for automatic start
nsd = APP_source_dir()
nuser = APP_user()
cfgfile = None #
success("{0} built and installed".format(env.APP_NAME))
def sysinitstart_NGAS_and_check_status():
"""
Starts the ngamsDaemon process and checks that the server is up and running.
Then it shuts down the server
"""
# We sleep 2 here as it was found on Mac deployment to docker container that the
# shell would exit before the ngasDaemon could detach, thus resulting in no startup.
sudo('service ngas-server start && sleep 2')
try:
res = sudo('service ngas-server status', warn_only=True)
print(res)
if res.failed:
failure(
"Couldn't contact NGAS server after starting it. "
"Check log files under %s/log/ to find out what went wrong" %
APP_source_dir(),
with_stars=False)
else:
success('NGAS server started correctly :)')
finally:
info("Shutting NGAS server down now")
sudo("service ngas-server stop ")
def start_APP_and_check_status():
"""
Starts the ngamsDaemon process and checks that the server is up and running.
Then it shuts down the server
"""
# We sleep 2 here as it was found on Mac deployment to docker container that the
# shell would exit before the ngasDaemon could detach, thus resulting in no startup.
virtualenv('ngamsDaemon start -cfg {0} && sleep 2'.format(env.tgt_cfg))
try:
res = virtualenv('ngamsDaemon status -cfg {0}'.format(env.tgt_cfg),
warn_only=True)
if res.failed:
failure(
"Couldn't contact NGAS server after starting it. "
"Check log files under %s/log/ to find out what went wrong" %
APP_source_dir(),
with_stars=False)
else:
success('NGAS server started correctly :)')
finally:
info("Shutting NGAS server down now")
virtualenv("ngamsDaemon stop -cfg {0}".format(env.tgt_cfg))
def prepare_APP_data_dir():
"""Creates a new APP root directory"""
info('Preparing {0} root directory'.format(env.APP_NAME))
nrd = APP_root_dir()
# tgt_cfg = os.path.join(nrd, 'cfg', 'ngamsServer.conf')
tgt_cfg = None
res = run('mkdir -p {0}'.format(nrd))
with cd(APP_source_dir()):
for d in env.APP_DATAFILES:
res = run('scp -r {0} {1}/.'.format(d, nrd), quiet=True)
if res.succeeded:
success("{0} data directory ready".format(env.APP_NAME))
return tgt_cfg
# Deal with the errors here
error = '{0} root directory preparation under {1} failed.\n'.format(
env.APP_NAME, nrd)
if res.return_code == 2:
error = (nrd + " already exists. Specify APP_OVERWRITE_ROOT to "
"overwrite, or a different APP_ROOT_DIR location")
else:
error = res
abort(error)
def setup_container():
"""Create and prepare a docker container and let Fabric point at it"""
from docker.client import DockerClient
image = 'library/centos:7'
container_name = 'APP_installation_target'
info("Creating docker container based on {0}".format(image))
info("Please stand-by....")
cli = DockerClient.from_env(version='auto', timeout=60)
# Create and start a container using the newly created stage1 image
cont = cli.containers.run(image=image,
name=container_name,
remove=False,
detach=True,
tty=True,
ports={22: 2222})
success("Created container %s from %s" % (container_name, image))
# Find out container IP, prepare container for APP installation
try:
host_ip = cli.api.inspect_container(
cont.id)['NetworkSettings']['IPAddress']
# info("Updating and installing OpenSSH server in container")
# execOutput(cont, 'yum -y update')
info("Installing OpenSSH server...")
execOutput(cont, 'yum -y install openssh-server sudo')
info("Installing OpenSSH client...")
execOutput(cont, 'yum -y install openssh-clients sudo')
info("Installing initscripts...")
execOutput(cont, 'yum -y install initscripts sudo')
info("Cleaning up...")
execOutput(cont, 'yum clean all')
info('Configuring OpenSSH to allow connections to container')
add_public_ssh_key(cont)
execOutput(
cont,
'sed -i "s/#PermitRootLogin yes/PermitRootLogin yes/" /etc/ssh/sshd_config'
)
execOutput(cont,
'sed -i "s/#UseDNS yes/UseDNS no/" /etc/ssh/sshd_config')
execOutput(cont, 'ssh-keygen -A')
execOutput(cont, 'mkdir -p /root/.ssh')
execOutput(cont, 'touch /root/.ssh/authorized_keys')
execOutput(cont, 'chown root.root /root/.ssh/authorized_keys')
execOutput(cont, 'chmod 600 /root/.ssh/authorized_keys')
execOutput(cont, 'chmod 700 /root/.ssh')
execOutput(cont, 'rm /run/nologin')
info('Starting OpenSSH deamon in container')
execOutput(cont, '/usr/sbin/sshd -D', detach=True)
except:
failure(
"Error while preparing container for APP installation, cleaning up..."
)
cont.stop()
cont.remove()
raise
# From now on we connect to root@host_ip using our SSH key
env.hosts = ['localhost']
env.docker = True
env.port = 2222
env.user = '******'
if 'key_filename' not in env and 'key' not in env:
env.key_filename = os.path.expanduser("~/.ssh/id_rsa")
# Make sure we can connect via SSH to the newly started container
# We disable the known hosts check since docker containers created at
# different times might end up having the same IP assigned to them, and the
# ssh known hosts check will fail
#
# NOTE: This does NOT work on a Mac, because the docker0 network is not
# available!
with settings(disable_known_hosts=True):
execute(check_ssh)
success('Container successfully setup! {0} installation will start now'.\
format(APP_name()))
return DockerContainerState(cli, cont)
