added new script to get info about volume usage on CEP4

l2com/cep4-usage.py

+#!/usr/bin/env python
+#
+#
+import os, sys, re
+import numpy as np
+import matplotlib.pyplot as plt
+import subprocess
+import datetime
+
+targetdir = "/data/projects"
+globdir = "/data"
+
+def human_size (size, f):
+    if (size/f < 1): return "%ldB" % (size)
+    if (size/f/f < 1): return "%.1fk" % (size/f)
+    if (size/f/f/f < 1): return "%.1fM" % (size/f/f)
+    if (size/f/f/f/f < 1): return "%.1fG" % (size/f/f/f)
+    if (size/f/f/f/f/f < 1): return "%.1fT" % (size/f/f/f/f)
+
+def duh(path):
+    """
+    disk usage in human readable format (e.g. '2.1GB')
+    """
+    return subprocess.check_output(['du','-sh', path]).split()[0].decode('utf-8')
+
+def duB(path):
+    """
+    disk usage in bytes format
+    """
+    return subprocess.check_output(['du','-sB 1', path]).split()[0].decode('utf-8')
+
+text = ""
+p=os.popen('df -H %s' % (globdir))
+for line in p.readlines(): text += line
+
+projects = {}
+files = [f for f in os.listdir(targetdir) if os.path.isdir(os.path.join(targetdir, f)) and f[0] != "."]
+
+text += "\n " + "-"*55
+text += "\n %-30s %10s\n" % ("Project", "Size")
+text += " " + "-"*55
+text += "\n"
+for f in files:
+    dirsize = duh(os.path.join(targetdir, f))
+    dirsize_in_bytes = duB(os.path.join(targetdir, f))
+    projects[f] = (dirsize, dirsize_in_bytes)
+    text += " %-30s %10s\n" % (f, dirsize)
+text += " " + "-"*55
+
+labels = np.array([str(ii) for ii in projects.keys()])
+sizes=[float(s) for (d, s) in projects.values()]
+total=np.sum(sizes)
+sizes_percent=np.array([s*100./total for s in sizes])
+text += "\n %-30s %10s" % ("Total", human_size(total, 1024))
+
+now =  datetime.datetime.utcnow()
+updated = "Updated: %s UTC" % (now)
+
+pie_labels=[]
+pie_sizes=[]
+rest_size = 0.
+for (l,s) in zip(labels, sizes_percent):
+    if s<1.0: rest_size += s
+    else:
+        pie_labels.append(l)
+        pie_sizes.append(s)
+
+pie_labels.append("others")
+pie_sizes.append(rest_size)
+
+fig, (ax1, ax2) = plt.subplots(1, 2, figsize=(10,5))
+fig.suptitle("CEP4 /data volume usage")
+ax1.annotate(text, xycoords="axes fraction", xy=(0.0, 0.99), bbox=dict(facecolor='0.95', boxstyle="round"), ha='left', va='top', multialignment="left", zorder=2, fontsize=10)
+ax1.annotate(updated, xycoords="axes fraction", xy=(0.0, 0.0), ha='left', va='bottom', multialignment="left", zorder=2, fontsize=8)
+ax1.axis('off')
+ax2.pie(pie_sizes, labels=pie_labels, autopct='%1.1f%%')
+#, pctdistance=1.25, labeldistance=.6)
+plt.tight_layout()
+plt.gcf().set_size_inches(10, 5) # Width=10in, Height=5in
+plt.savefig("cep4-usage.png", bbox_inches='tight', dpi=100) # output figure size will be (10,5)x100 in pixels
+plt.show()