Gardient/CloudWatchLogDownloader
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adds debug logging

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Gardient
2016-11-15 14:48:41 +02:00
parent 917624ad52
commit de6becc208
4 changed files with 100 additions and 1 deletions
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1
CloudWatchLogDownloader/CloudWatchLogDownloader.csproj
View File

@@ -56,6 +56,7 @@
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="DebugLogger.cs" />
<Compile Include="Models\CommandOptions.cs" />
<Compile Include="Program.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />

87
CloudWatchLogDownloader/DebugLogger.cs Normal file
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@@ -0,0 +1,87 @@
using System;
namespace CloudWatchLogDownloader
{
internal static class DebugLogger
{
private static bool _debug;
public static bool Debug
{
get { return _debug; }
set
{
if (value && !_debug)
{
WriteLine("debug mode active");
}
_debug = value;
}
}
public static void Write(string str)
{
if (_debug)
{
var oldcolor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Cyan;
Console.Write(str);
Console.ForegroundColor = oldcolor;
}
}
public static void Write(object obj)
{
if (_debug)
{
var oldcolor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Cyan;
Console.Write(obj);
Console.ForegroundColor = oldcolor;
}
}
public static void Write(string format, params object[] args)
{
if (_debug)
{
var oldcolor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Cyan;
Console.Write(format, args);
Console.ForegroundColor = oldcolor;
}
}
public static void WriteLine(string str)
{
if (_debug)
{
var oldcolor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine(str);
Console.ForegroundColor = oldcolor;
}
}
public static void WriteLine(object obj)
{
if (_debug)
{
var oldcolor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine(obj);
Console.ForegroundColor = oldcolor;
}
}
public static void WriteLine(string format, params object[] args)
{
if (_debug)
{
var oldcolor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine(format, args);
Console.ForegroundColor = oldcolor;
}
}
}
}

3
CloudWatchLogDownloader/Models/CommandOptions.cs
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@@ -20,6 +20,9 @@ namespace CloudWatchLogDownloader.Models
[Option('l', "liveStream", HelpText="Keep pulling logs until Ctrl+C is applied")]
public bool LiveStream { get; set; }
[Option('d',"debug", HelpText = "print additional logs to console")]
public bool Debug { get; set; }
[ParserState]
public IParserState ParserState { get; set; }

10
CloudWatchLogDownloader/Program.cs
View File

@@ -16,6 +16,8 @@ namespace CloudWatchLogDownloader
var opt = new CommandOptions();
if (CommandLine.Parser.Default.ParseArguments(args, opt))
{
DebugLogger.Debug = opt.Debug;
client = new AmazonCloudWatchLogsClient();
var logGroup = GetLogGroup(opt.LogGroup);
var logStream = GetLogStream(logGroup, opt.LogStream);
@@ -29,8 +31,10 @@ namespace CloudWatchLogDownloader
DescribeLogGroupsResponse lgResponse = null;
do
{
DebugLogger.WriteLine("Getting logGroups...");
lgResponse = client.DescribeLogGroups(new DescribeLogGroupsRequest { NextToken = (lgResponse != null ? lgResponse.NextToken : null) });
allGroups.AddRange(lgResponse.LogGroups);
DebugLogger.WriteLine("Got logGroups, have {0}, {1} more pages", allGroups.Count, (!string.IsNullOrWhiteSpace(lgResponse.NextToken) ? "still" : "no"));
} while (!string.IsNullOrWhiteSpace(lgResponse.NextToken));
if (string.IsNullOrWhiteSpace(logGroup) || logGroup[logGroup.Length - 1] == '*')
@@ -64,12 +68,14 @@ namespace CloudWatchLogDownloader
DescribeLogStreamsResponse lsResponse = null;
do
{
DebugLogger.WriteLine("Getting logStreams...");
lsResponse = client.DescribeLogStreams(new DescribeLogStreamsRequest
{
NextToken = (lsResponse != null ? lsResponse.NextToken : null),
LogGroupName = logGroup.LogGroupName
});
allStreams.AddRange(lsResponse.LogStreams);
DebugLogger.WriteLine("Got logStreams, have {0}, {1} more pages", allStreams.Count, (!string.IsNullOrWhiteSpace(lsResponse.NextToken) ? "still" : "no"));
} while (!string.IsNullOrWhiteSpace(lsResponse.NextToken));
if (string.IsNullOrWhiteSpace(logStream) || logStream[logStream.Length - 1] == '*')
@@ -126,6 +132,7 @@ namespace CloudWatchLogDownloader
GetLogEventsResponse leResponse = null;
do
{
DebugLogger.WriteLine("Getting events...");
leResponse = client.GetLogEvents(new GetLogEventsRequest
{
LogGroupName = logGroup.LogGroupName,
@@ -133,13 +140,14 @@ namespace CloudWatchLogDownloader
StartFromHead = true,
NextToken = (leResponse != null ? leResponse.NextForwardToken : null)
});
DebugLogger.WriteLine("Got {0} events", leResponse.Events.Count);
foreach (var ev in leResponse.Events)
sw.WriteLine(ev.Message);
sw.Flush();
if (!leResponse.Events.Any() && !lsMessage)
if (!leResponse.Events.Any() && !lsMessage && liveStream)
{
lsMessage = true;
ConsoleColor oldcolor = Console.ForegroundColor;