Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 1 | #!/usr/bin/env python3 |
| 2 | |
| 3 | import argparse |
| 4 | import sys |
| 5 | import time |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 6 | from os import path |
| 7 | from telnetlib import Telnet |
| 8 | from types import MethodType |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 9 | |
| 10 | import toml |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 11 | from xdg import BaseDirectory |
| 12 | |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 13 | |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 14 | def expect_or_raise(conn, patterns, timeout=None): |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 15 | i, m, d = conn.expect([bytes(p, "ascii") for p in patterns], timeout) |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 16 | if i == -1: |
| 17 | msg = "Match failed, expected '%s', got '%s'" % (str(patterns), d) |
| 18 | print(msg, file=sys.stderr) |
| 19 | raise ValueError |
| 20 | return i, m, d |
| 21 | |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 22 | |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 23 | def encode_and_write(conn, comm="", sep="\n"): |
| 24 | # Slow down the writes to help poor ol' serial-over-telnet |
| 25 | for c in comm + sep: |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 26 | conn.write(bytes(c, "ascii")) |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 27 | time.sleep(0.01) |
| 28 | |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 29 | |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 30 | def init_telnet(host, port=0, timeout=None): |
| 31 | conn = Telnet(host, port, timeout) |
| 32 | conn.encode_and_write = MethodType(encode_and_write, conn) |
| 33 | conn.expect_or_raise = MethodType(expect_or_raise, conn) |
| 34 | return conn |
| 35 | |
| 36 | |
| 37 | def main(): |
| 38 | parser = argparse.ArgumentParser() |
Andrew Jeffery | 49b35be | 2017-09-28 10:32:20 +0930 | [diff] [blame] | 39 | parser.add_argument("machine", nargs="?") |
| 40 | parser.add_argument("-l", "--list-machines", action="store_true") |
Andrew Jeffery | 291f081 | 2017-10-07 00:52:56 +1030 | [diff] [blame] | 41 | parser.add_argument("-i", "--initramfs", action="store_true") |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 42 | args = parser.parse_args() |
| 43 | |
| 44 | confbase = BaseDirectory.save_config_path("obmc-scripts") |
| 45 | conffile = path.join(confbase, "netboot") |
| 46 | if not path.exists(conffile): |
| 47 | print("Missing configuration file: %s" % (conffile)) |
| 48 | sys.exit(1) |
| 49 | |
| 50 | conf = toml.load(conffile) |
Andrew Jeffery | 49b35be | 2017-09-28 10:32:20 +0930 | [diff] [blame] | 51 | if args.list_machines: |
| 52 | print("Machines:", *list(sorted(conf.keys())), sep="\n\t") |
| 53 | sys.exit(0) |
| 54 | |
| 55 | if not args.machine: |
| 56 | print("Machine name required") |
| 57 | sys.exit(1) |
| 58 | |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 59 | mach = conf[args.machine] |
| 60 | console = mach["console"] |
| 61 | conn = init_telnet(console["host"], console["port"]) |
| 62 | |
| 63 | try: |
| 64 | conn.encode_and_write() |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 65 | i, m, d = conn.expect_or_raise( |
| 66 | [ |
| 67 | "%s login:" % (mach["platform"]), |
| 68 | "root@%s:.*#" % (mach["platform"]), |
| 69 | "root@%s:.*#" % (args.machine), |
| 70 | "ast#", |
| 71 | "# ", |
| 72 | ], |
| 73 | 5, |
| 74 | ) |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 75 | |
Andrew Jeffery | ac47577 | 2018-02-02 17:47:24 +1030 | [diff] [blame] | 76 | if i != 3: |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 77 | if i == 0: |
| 78 | conn.encode_and_write(mach["user"]) |
| 79 | conn.read_until(b"Password:") |
| 80 | conn.encode_and_write(mach["password"]) |
| 81 | conn.expect_or_raise(["root@%s:.*#" % (mach["platform"])]) |
| 82 | |
| 83 | conn.encode_and_write("reboot") |
| 84 | |
| 85 | conn.expect_or_raise(["Hit any key to stop autoboot"]) |
| 86 | conn.encode_and_write() |
| 87 | |
| 88 | for comm in mach["u-boot"]["commands"]: |
| 89 | conn.encode_and_write(comm) |
| 90 | if "tftp" in comm: |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 91 | i, m, d = conn.expect_or_raise( |
| 92 | [ |
| 93 | r"Bytes transferred = \d+ \([0-9a-f]+ hex\)", |
| 94 | "Not retrying...", |
| 95 | r"## Warning:", |
| 96 | r"[*]{3} ERROR:", |
| 97 | "Abort", |
| 98 | "Retry count exceeded; starting again", |
| 99 | ] |
| 100 | ) |
Andrew Jeffery | e4bf336 | 2017-09-28 10:32:05 +0930 | [diff] [blame] | 101 | if i > 0: |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 102 | print("Error detected, exiting", file=sys.stderr) |
| 103 | return |
| 104 | |
Andrew Jeffery | 291f081 | 2017-10-07 00:52:56 +1030 | [diff] [blame] | 105 | if args.initramfs: |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 106 | conn.encode_and_write( |
| 107 | "setenv bootargs " |
| 108 | + "console=ttyS4,115200n root=/dev/ram rw earlyprintk debug" |
| 109 | ) |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 110 | conn.read_until(b"ast#") |
Andrew Jeffery | 291f081 | 2017-10-07 00:52:56 +1030 | [diff] [blame] | 111 | else: |
| 112 | conn.encode_and_write("printenv set_bootargs") |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 113 | i, m, d = conn.expect_or_raise( |
| 114 | [ |
| 115 | "set_bootargs=.*$", |
| 116 | '## Error: "set_bootargs" not defined', |
| 117 | ], |
| 118 | 1, |
| 119 | ) |
Andrew Jeffery | 291f081 | 2017-10-07 00:52:56 +1030 | [diff] [blame] | 120 | if i == 0: |
| 121 | conn.encode_and_write("run set_bootargs") |
| 122 | conn.read_until(b"ast#") |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 123 | |
| 124 | conn.encode_and_write("bootm") |
| 125 | conn.read_until(b"Starting kernel") |
| 126 | finally: |
| 127 | conn.close() |
| 128 | |
Patrick Williams | a3db66b | 2022-12-04 16:27:08 -0600 | [diff] [blame] | 129 | |
Andrew Jeffery | 75d9c24 | 2017-09-27 23:08:56 +0930 | [diff] [blame] | 130 | if __name__ == "__main__": |
| 131 | main() |