def dst_dir_report(jobs, dstdirs, width, prefix=''): tab = tt.Texttable() dir2oldphase = manager.dstdirs_to_furthest_phase(jobs) dir2newphase = manager.dstdirs_to_youngest_phase(jobs) headings = ['dst', 'plots', 'GBfree', 'inbnd phases', 'pri'] tab.header(headings) tab.set_cols_dtype('t' * len(headings)) for d in sorted(dstdirs): # TODO: This logic is replicated in archive.py's priority computation, # maybe by moving more of the logic in to directory.py eldest_ph = dir2oldphase.get(d, (0, 0)) phases = job.job_phases_for_dstdir(d, jobs) dir_plots = plot_util.list_k32_plots(d) gb_free = int(plot_util.df_b(d) / plot_util.GB) n_plots = len(dir_plots) priority = archive.compute_priority(eldest_ph, gb_free, n_plots) row = [ abbr_path(d, prefix), n_plots, gb_free, phases_str(phases, 5), priority ] tab.add_row(row) tab.set_max_width(width) tab.set_deco(tt.Texttable.BORDER | tt.Texttable.HEADER) tab.set_deco(0) # No borders return tab.draw()
def archive(dir_cfg, all_jobs): '''Configure one archive job. Needs to know all jobs so it can avoid IO contention on the plotting dstdir drives. Returns either (False, <reason>) if we should not execute an archive job or (True, <cmd>) with the archive command if we should.''' dstdirs = dir_cfg['dst'] arch_cfg = dir_cfg['archive'] dir2ph = manager.dstdirs_to_furthest_phase(all_jobs) best_priority = -100000000 chosen_plot = None for d in dstdirs: ph = dir2ph.get(d, (0, 0)) dir_plots = plot_util.list_k32_plots(d) gb_free = plot_util.df_b(d) / plot_util.GB n_plots = len(dir_plots) priority = compute_priority(ph, gb_free, n_plots) if priority >= best_priority and dir_plots: best_priority = priority chosen_plot = dir_plots[0] if not chosen_plot: return (False, 'No plots found') # TODO: sanity check that archive machine is available # TODO: filter drives mounted RO # # Pick first archive dir with sufficient space # archdir_freebytes = get_archdir_freebytes(arch_cfg) if not archdir_freebytes: return (False, 'No free archive dirs found.') archdir = '' for (d, space) in sorted(archdir_freebytes.items()): # TODO: make buffer configurable if space > 1.2 * plot_util.get_k32_plotsize(): # Leave a little buffer archdir = d freespace = space break if not archdir: return (False, 'No archive directories found with enough free space') msg = 'Found %s with ~%d GB free' % (archdir, freespace / plot_util.GB) bwlimit = arch_cfg['rsyncd_bwlimit'] throttle_arg = ('--bwlimit=%d' % bwlimit) if bwlimit else '' cmd = ('rsync %s --remove-source-files -P %s %s' % (throttle_arg, chosen_plot, rsync_dest(arch_cfg, archdir))) return (True, cmd)
def test_list_k32_plots(self): self.fs.create_file('/t/plot-k32-0.plot', st_size=108 * GB) self.fs.create_file('/t/plot-k32-1.plot', st_size=108 * GB) self.fs.create_file('/t/.plot-k32-2.plot', st_size=108 * GB) self.fs.create_file('/t/plot-k32-3.plot.2.tmp', st_size=108 * GB) self.fs.create_file('/t/plot-k32-4.plot', st_size=100 * GB) self.fs.create_file('/t/plot-k32-5.plot', st_size=108 * GB) self.assertEqual( [ '/t/plot-k32-0.plot', '/t/plot-k32-1.plot', '/t/plot-k32-5.plot' ], plot_util.list_k32_plots('/t/') )