def status(self):
session = self.config["session"]
self.out("Tmux session :", Tmux.HasSession(session))
self.out("Tmux webapp :", Tmux.HasWindow(session, "webapp"))
self.out("Webapp running :",
Process.FindLike(self.config["webapp"]) and True or False)
self.out("Webapp responsive :", self.ping().isSuccess())
def stop(self):
if self.Has(self.name):
# This sends a Ctrl-C.
Tmux.Write(self.name, "daemon", "C-c")
# If the window does not become responsive after 5s, we kill the
# window.
if not Tmux.IsResponsive(self.name, "daemon", timeout=5):
Tmux.KillWindow(self.name, "daemon")
return True
else:
return False
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 stop(self):
session = self.config["session"]
Tmux.EnsureWindow(session, "webapp")
p = Process.FindLike(self.config["webapp"])
# We kill the whole process group
if p: Process.Kill(p[0], children=True)
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 Has(cls, name):
return Tmux.HasSession(name) and Tmux.HasWindow(name, "daemon")
def reload(self):
self.stop()
session = self.config["session"]
Tmux.Run(session, "webapp",
"./env.sh ./{webapp} {port} {host}".format(**self.config))
return self.process()
