Esempio n. 1
0
            /// <exception cref="System.IO.IOException"/>
            public virtual int Run(Configuration conf, IList <string> args)
            {
                string path = StringUtils.PopOptionWithArgument("-path", args);

                if (path == null)
                {
                    System.Console.Error.WriteLine("You must specify a path with -path.");
                    return(1);
                }
                if (!args.IsEmpty())
                {
                    System.Console.Error.WriteLine("Can't understand argument: " + args[0]);
                    System.Console.Error.WriteLine("Usage is " + GetShortUsage());
                    return(1);
                }
                int exitCode = 0;

                try
                {
                    DistributedFileSystem dfs = AdminHelper.GetDFS(conf);
                    RemoteIterator <CacheDirectiveEntry> iter = dfs.ListCacheDirectives(new CacheDirectiveInfo.Builder
                                                                                            ().SetPath(new Path(path)).Build());
                    while (iter.HasNext())
                    {
                        CacheDirectiveEntry entry = iter.Next();
                        try
                        {
                            dfs.RemoveCacheDirective(entry.GetInfo().GetId());
                            System.Console.Out.WriteLine("Removed cache directive " + entry.GetInfo().GetId()
                                                         );
                        }
                        catch (IOException e)
                        {
                            System.Console.Error.WriteLine(AdminHelper.PrettifyException(e));
                            exitCode = 2;
                        }
                    }
                }
                catch (IOException e)
                {
                    System.Console.Error.WriteLine(AdminHelper.PrettifyException(e));
                    exitCode = 2;
                }
                if (exitCode == 0)
                {
                    System.Console.Out.WriteLine("Removed every cache directive with path " + path);
                }
                return(exitCode);
            }
Esempio n. 2
0
            /// <exception cref="System.IO.IOException"/>
            public virtual int Run(Configuration conf, IList <string> args)
            {
                CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder();
                string pathFilter = StringUtils.PopOptionWithArgument("-path", args);

                if (pathFilter != null)
                {
                    builder.SetPath(new Path(pathFilter));
                }
                string poolFilter = StringUtils.PopOptionWithArgument("-pool", args);

                if (poolFilter != null)
                {
                    builder.SetPool(poolFilter);
                }
                bool   printStats = StringUtils.PopOption("-stats", args);
                string idFilter   = StringUtils.PopOptionWithArgument("-id", args);

                if (idFilter != null)
                {
                    builder.SetId(long.Parse(idFilter));
                }
                if (!args.IsEmpty())
                {
                    System.Console.Error.WriteLine("Can't understand argument: " + args[0]);
                    return(1);
                }
                TableListing.Builder tableBuilder = new TableListing.Builder().AddField("ID", TableListing.Justification
                                                                                        .Right).AddField("POOL", TableListing.Justification.Left).AddField("REPL", TableListing.Justification
                                                                                                                                                           .Right).AddField("EXPIRY", TableListing.Justification.Left).AddField("PATH", TableListing.Justification
                                                                                                                                                                                                                                .Left);
                if (printStats)
                {
                    tableBuilder.AddField("BYTES_NEEDED", TableListing.Justification.Right).AddField(
                        "BYTES_CACHED", TableListing.Justification.Right).AddField("FILES_NEEDED", TableListing.Justification
                                                                                   .Right).AddField("FILES_CACHED", TableListing.Justification.Right);
                }
                TableListing tableListing = tableBuilder.Build();

                try
                {
                    DistributedFileSystem dfs = AdminHelper.GetDFS(conf);
                    RemoteIterator <CacheDirectiveEntry> iter = dfs.ListCacheDirectives(builder.Build(
                                                                                            ));
                    int numEntries = 0;
                    while (iter.HasNext())
                    {
                        CacheDirectiveEntry entry     = iter.Next();
                        CacheDirectiveInfo  directive = entry.GetInfo();
                        CacheDirectiveStats stats     = entry.GetStats();
                        IList <string>      row       = new List <string>();
                        row.AddItem(string.Empty + directive.GetId());
                        row.AddItem(directive.GetPool());
                        row.AddItem(string.Empty + directive.GetReplication());
                        string expiry;
                        // This is effectively never, round for nice printing
                        if (directive.GetExpiration().GetMillis() > CacheDirectiveInfo.Expiration.MaxRelativeExpiryMs
                            / 2)
                        {
                            expiry = "never";
                        }
                        else
                        {
                            expiry = directive.GetExpiration().ToString();
                        }
                        row.AddItem(expiry);
                        row.AddItem(directive.GetPath().ToUri().GetPath());
                        if (printStats)
                        {
                            row.AddItem(string.Empty + stats.GetBytesNeeded());
                            row.AddItem(string.Empty + stats.GetBytesCached());
                            row.AddItem(string.Empty + stats.GetFilesNeeded());
                            row.AddItem(string.Empty + stats.GetFilesCached());
                        }
                        tableListing.AddRow(Sharpen.Collections.ToArray(row, new string[row.Count]));
                        numEntries++;
                    }
                    System.Console.Out.Write(string.Format("Found %d entr%s%n", numEntries, numEntries
                                                           == 1 ? "y" : "ies"));
                    if (numEntries > 0)
                    {
                        System.Console.Out.Write(tableListing);
                    }
                }
                catch (IOException e)
                {
                    System.Console.Error.WriteLine(AdminHelper.PrettifyException(e));
                    return(2);
                }
                return(0);
            }