motd

files/.config/zsh/custom/200-motd.zsh

@@ -1,9 +1,4 @@
 if [ "$IS_ROOT" = false ]; then
-    cat /etc/issue
-
-	# Check tmux
-	if tmux info &>/dev/null; then
-        printf "\n%s\n\n" "$(tmux ls)"
-	fi
+    motd
 fi
 

files/.local/bin/motd

@@ -0,0 +1,143 @@
+#!/usr/bin/env python3
+
+import math
+import psutil
+import shutil
+import sys
+import os
+import re
+
+from subprocess import check_call, DEVNULL, CalledProcessError
+
+try:
+    from pyfiglet import figlet_format
+except ImportError:
+    def figlet_format(string, *args, **kwargs):
+       return string + '\n'
+
+term_r, term_c = os.popen('stty size', 'r').read().split()
+
+class Termutils:
+    BLACK = '\33[30m'
+    RED = '\33[31m'
+    GREEN = '\33[32m'
+    YELLOW = '\33[33m'
+    BLUE = '\33[34m'
+    MAGENTA = '\33[35m'
+    CYAN = '\33[36m'
+    WHITE = '\33[37m'
+    GREY = '\33[30;1m'
+    DISABLE = '\033[0m'
+
+    PADDING = '  '
+
+    @staticmethod
+    def print_padded(*arg, **kwarg):
+        print(Termutils.PADDING, end='')
+        print(*arg, **kwarg)
+
+    @staticmethod
+    def print_progress_bar(percent, label='', length=60):
+        percent_color = Termutils.GREEN
+        bar = '['
+        for i in range(0, length):
+            if i >= math.ceil(percent * length):
+                bar += Termutils.GREY
+            elif i == 0:
+                bar += Termutils.GREEN
+            elif i == math.ceil(length * 0.6):
+                bar += Termutils.YELLOW
+                percent_color = Termutils.YELLOW
+            elif i == math.ceil(length * 0.85):
+                bar += Termutils.RED
+                percent_color = Termutils.RED
+
+            bar += '='
+        bar += '{}]{}{:7.2%}{} {}'.format(
+            Termutils.DISABLE,
+            percent_color,
+            percent,
+            Termutils.DISABLE,
+            label
+        )
+        Termutils.print_padded(bar)
+
+def to_gb(bytes_count):
+    return bytes_count/1024/1024/1024
+
+def print_hostname():
+    print(
+          Termutils.CYAN
+        + figlet_format(os.uname()[1], 'slant')
+        + Termutils.DISABLE
+        + '\n'
+        + os.popen('uptime').read().strip()
+        + '\n'
+    )
+
+def print_tmux():
+    try:
+        check_call(['tmux', 'info'], stdout=DEVNULL, stderr=DEVNULL)
+        print('tmux:')
+        tmux_session = os.popen('tmux display-message -p "#S"', 'r').read().strip()
+        with os.popen('tmux list-sessions', 'r') as tmux_ls:
+            for line in tmux_ls:
+                line = line.strip()
+                if line.startswith(tmux_session) and 'TMUX' in os.environ:
+                    print(Termutils.GREEN, end='')
+                Termutils.print_padded(
+                      line
+                    + Termutils.DISABLE)
+        print('')
+    except CalledProcessError:
+        pass
+
+def print_services():
+    if 'MOTD_SERVICES' in os.environ:
+        print('Services:')
+        for service in set(os.environ['MOTD_SERVICES'].split()):
+            Termutils.print_padded('{:<15.15}'.format(service), end='')
+            try:
+                check_call(['systemctl', 'is-active', service], stdout=DEVNULL, stderr=DEVNULL)
+                print('{}    active{}'.format(Termutils.GREEN, Termutils.DISABLE))
+            except CalledProcessError:
+                print('{}  inactive{}'.format(Termutils.RED, Termutils.DISABLE))
+        print('')
+
+
+def print_mem():
+    print('Memory:')
+    memory = psutil.virtual_memory()
+    Termutils.print_padded('{:.2f}G used  {:6.2f}G free  {:6.2f}G total'.format(
+        to_gb(memory.used),
+        to_gb(memory.free),
+        to_gb(memory.total)
+    ))
+    Termutils.print_progress_bar(memory.used / memory.total)
+    print('')
+
+
+def print_fs():
+    print('Filesystems:')
+    with open('/etc/mtab') as mtab:
+        for line in mtab:
+            line = line.strip()
+            if line.startswith('/'):
+                mount_point = line.split()[1]
+                usage = shutil.disk_usage(mount_point)
+                Termutils.print_padded('{:<15.15}  {:7.2f}G used  {:7.2f}G free  {:7.2f}G total'.format(
+                    mount_point,
+                    to_gb(usage.used),
+                    to_gb(usage.free),
+                    to_gb(usage.total)
+                ))
+                Termutils.print_progress_bar(
+                    percent=(usage.used / usage.total)
+                )
+    print('')
+
+print_hostname()
+print_tmux()
+print_services()
+print_mem()
+print_fs()

files/.profile

@@ -8,6 +8,9 @@ export VISUAL=vim
 export EDITOR=vim
 export PAGER=less
 
+# motd
+export MOTD_SERVICES="docker $MOTD_SERVICES"
+
 # firefox
 export MOZ_USE_XINPUT2=1