def running_instances():
"""Get run dir and container name of every project."""
for container_name in self.get_containers_in_run_dir():
run_fp = self.path_of_runfile(container_name)
lines = safe_read_from_file(
run_fp, self.logger.error, lines=True) or [""]
yield lines[0]
def _read_config(self, config_file):
"""Read project configuration file striping out comment lines."""
content_file = safe_read_from_file(
config_file, self.logger.error
) or ""
project_lines = self.there_are_comments.sub("", content_file)
return project_lines.split("\n") if project_lines else []
def uuid_from_cernvm():
lines = safe_read_from_file(
self.local_cernvm_config, self.logger.warning, lines=True)
for line in lines or []:
key, value = line.split("=")
if key == "CERNVM_UUID":
return value
def get_run_hours():
"""Get run hours of DumbQ."""
runhours_fp = self.config["dumbq_runhours"]
hours = safe_read_from_file(runhours_fp,
self.logger.warning,
lines=True)
return hours[0] if hours else 0
def running_instances():
"""Get run dir and container name of every project."""
for container_name in self.get_containers_in_run_dir():
run_fp = self.path_of_runfile(container_name)
lines = safe_read_from_file(
run_fp, self.logger.error, lines=True
) or [""]
yield lines[0]
def uuid_from_cernvm():
lines = safe_read_from_file(self.local_cernvm_config,
self.logger.warning,
lines=True)
for line in lines or []:
key, value = line.split("=")
if key == "CERNVM_UUID":
return value
def read_environment_variables(self):
"""Read environment variables from floppy or default file."""
def get_envvars(lines):
# Return lines with 'key=value' format
for line in lines:
match = self.get_vars_regexp.match(line)
yield match.groups() if match else None
floppy_reader = self.config["floppy_reader_bin"]
envvar_file = self.config["envvar_file"]
# Update envars from floppy drive contents
if os.path.exists(floppy_reader):
floppy_out = check_output(floppy_reader, stderr=DEVNULL)
floppy_vars = floppy_out.split("\n")
self.envvars.extend(filter(None, get_envvars(floppy_vars)))
# Update envars from standard file
with ignored(OSError):
envvars = safe_read_from_file(envvar_file, self.logger.warning,
lines=True)
self.envvars.extend(filter(None, get_envvars(envvars)))
def read_environment_variables(self):
"""Read environment variables from floppy or default file."""
def get_envvars(lines):
# Return lines with 'key=value' format
for line in lines:
match = self.get_vars_regexp.match(line)
yield match.groups() if match else None
floppy_reader = self.config["floppy_reader_bin"]
envvar_file = self.config["envvar_file"]
# Update envars from floppy drive contents
if os.path.exists(floppy_reader):
floppy_out = check_output(floppy_reader, stderr=DEVNULL)
floppy_vars = floppy_out.split("\n")
self.envvars.extend(filter(None, get_envvars(floppy_vars)))
# Update envars from standard file
with ignored(OSError):
envvars = safe_read_from_file(envvar_file,
self.logger.warning,
lines=True)
self.envvars.extend(filter(None, get_envvars(envvars)))
def get_run_hours():
"""Get run hours of DumbQ."""
runhours_fp = self.config["dumbq_runhours"]
hours = safe_read_from_file(
runhours_fp, self.logger.warning, lines=True)
return hours[0] if hours else 0
def get_uptime():
"""Read uptime and replace spaces by commas."""
seconds = safe_read_from_file("/proc/uptime", self.logger.error)[0]
return seconds.translate(string.maketrans(' ', ',')) or None
def read_pid(tty_filepath):
"""Read PID from the tty info file."""
return safe_read_from_file(
tty_filepath, self.logger.warning
).split("\n")
def uuid_from_file():
return safe_read_from_file(self.uuid_file, self.logger.warning)
def get_uptime():
"""Read uptime and replace spaces by commas."""
seconds = safe_read_from_file("/proc/uptime", self.logger.error)[0]
return seconds.translate(string.maketrans(' ', ',')) or None
def read_pid(tty_filepath):
"""Read PID from the tty info file."""
return safe_read_from_file(tty_filepath,
self.logger.warning).split("\n")
def _read_config(self, config_file):
"""Read project configuration file striping out comment lines."""
content_file = safe_read_from_file(config_file,
self.logger.error) or ""
project_lines = self.there_are_comments.sub("", content_file)
return project_lines.split("\n") if project_lines else []
def uuid_from_file():
return safe_read_from_file(self.uuid_file, self.logger.warning)