def ensure(self):
"""Ensures that the service is running."""
session = self.config["session"]
path = os.path.abspath(self.config["path"])
Tmux.EnsureWindow(session, "webapp")
if Tmux.IsResponsive(session, "webapp"):
# If the Tmux session is responsive, we start the process
Tmux.Run(session, "webapp", "cd {0}".format(path))
Tmux.Run(session, "webapp",
"./env.sh ./{webapp} {port} {host}".format(**self.config))
elif not self.ping().isSuccess():
# If the Tmux session is not responsive and the ping does not work
# we kill and restart the process.
self.reload()
return self.process()
def start(self, command=None):
command = command or self.command
if not self.Has(self.name):
Tmux.EnsureSession(self.name)
Tmux.EnsureWindow(self.name, "daemon")
if Tmux.IsResponsive(self.name, "daemon"):
if not command:
command = Tmux.Run(self.name, "daemon", "echo $DAEMON_COMMAND")
# We assume that the daemon's will not detach from tmux, so if
# the shell is not responsive, it means the daemon is running
Tmux.Write(
self.name, "daemon", "export DAEMON_COMMAND=\"{0}\"".format(
command.replace('"', '\\"')))
Tmux.Write(self.name, "daemon", command)
return True
def reload(self):
self.stop()
session = self.config["session"]
Tmux.Run(session, "webapp",
"./env.sh ./{webapp} {port} {host}".format(**self.config))
return self.process()