system: T4681: convert 'show_uptime.py' script to standardized format

1 files changed, 82 insertions, 0 deletions

diff --git a/src/op_mode/uptime.py b/src/op_mode/uptime.py
new file mode 100755
index 000000000..2ebe6783b
--- /dev/null
+++ b/src/op_mode/uptime.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021-2022 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import sys
+
+import vyos.opmode
+
+def _get_uptime_seconds():
+  from re import search
+  from vyos.util import read_file
+
+  data = read_file("/proc/uptime")
+  seconds = search("([0-9\.]+)\s", data).group(1)
+
+  return int(float(seconds))
+
+def _get_load_averages():
+    from re import search
+    from vyos.util import cmd
+    from vyos.cpu import get_core_count
+
+    data = cmd("uptime")
+    matches = search(r"load average:\s*(?P<one>[0-9\.]+)\s*,\s*(?P<five>[0-9\.]+)\s*,\s*(?P<fifteen>[0-9\.]+)\s*", data)
+
+    core_count = get_core_count()
+
+    res = {}
+    res[1]  = float(matches["one"]) / core_count
+    res[5]  = float(matches["five"]) / core_count
+    res[15] = float(matches["fifteen"]) / core_count
+
+    return res
+
+def _get_raw_data():
+    from vyos.util import seconds_to_human
+
+    res = {}
+    res["uptime_seconds"] = _get_uptime_seconds()
+    res["uptime"] = seconds_to_human(_get_uptime_seconds())
+    res["load_average"] = _get_load_averages()
+
+    return res
+
+def _get_formatted_output(data):
+    out = "Uptime: {}\n\n".format(data["uptime"])
+    avgs = data["load_average"]
+    out += "Load averages:\n"
+    out += "1  minute:   {:.01f}%\n".format(avgs[1]*100)
+    out += "5  minutes:  {:.01f}%\n".format(avgs[5]*100)
+    out += "15 minutes:  {:.01f}%\n".format(avgs[15]*100)
+
+    return out
+
+def show(raw: bool):
+    uptime_data = _get_raw_data()
+
+    if raw:
+        return uptime_data
+    else:
+        return _get_formatted_output(uptime_data)
+
+if __name__ == '__main__':
+    try:
+        res = vyos.opmode.run(sys.modules[__name__])
+        if res:
+            print(res)
+    except (ValueError, vyos.opmode.Error) as e:
+        print(e)
+        sys.exit(1)