def __init__()

in rd-agent/src/misc/sideloader.py [0:0]

• 46 lines of code
• 9 McCabe index (conditional complexity)

    def __init__(self):
        global args, config

        self.fix = not args.dont_fix
        self.main_cgrp = f"{CGRP_BASE}/{config.main_slice}"
        self.host_cgrp = f"{CGRP_BASE}/{config.host_slice}"
        self.side_cgrp = f"{CGRP_BASE}/{config.side_slice}"

        self.active = False
        self.last_check_at = 0
        self.last_warns = []
        self.warns = []
        self.fixed = False

        self.root_part = None
        self.root_dev = None
        self.root_devnr = None
        self.mem_total = 0
        self.swap_avail = 0
        self.swap_free = 0
        self.swappiness = 0
        self.hugetlb = 0

        # find the root device maj/min
        if args.dev is None:
            for line in read_lines("/proc/mounts"):
                toks = line.split()
                if toks[1] == "/":
                    if toks[0].startswith("/dev/"):
                        self.root_part = toks[0][len("/dev/") :]
                    break
            if self.root_part is None:
                warn("SYSCFG: failed to find root mount")
                return

            if self.root_part.startswith("sd"):
                self.root_dev = re.sub(r"^(sd[^0-9]*)[0-9]*$", r"\1", self.root_part)
            elif self.root_part.startswith("nvme"):
                self.root_dev = re.sub(r"^(nvme[^p]*)(p[0-9])?$", r"\1", self.root_part)
            else:
                raise Exception(f"unknown device {self.root_part}")
        else:
            self.root_dev = args.dev

        try:
            out = subprocess.run(
                ["stat", "-c", "0x%t 0x%T", f"/dev/{self.root_dev}"],
                stdout=subprocess.PIPE,
            ).stdout.decode("utf-8")
            toks = out.split()
            self.root_devnr = f"{int(toks[0], 0)}:{int(toks[1], 0)}"
        except Exception as e:
            warn(f"SYSCFG: failed to find root device ({e})")