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ryankennedy / 00_README.md
Last active December 12, 2024 19:57
How to macOS sandbox a Go application

Sandboxing a Go program in macOS

This sample Go file shows how to use sandbox_init on macOS (now deprecated, but it still works) to prevent a Go application from accessing the network beyond localhost.

@ryankennedy
ryankennedy / proto_parse.feature
Last active September 6, 2017 05:19
Cucumber definition for a simple Protocol Buffer parsing test
Feature: Parsing Protocol Buffer schemas
Scenario: Parsing a valid Protocol Buffer schema
Given a Protocol Buffer schema named my_message.proto with body
"""
syntax = "proto3";
message MyMessage {
string message_content = 1;
}
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ryankennedy / hw-base.txt
Created April 22, 2016 06:16
Benchmark results comparing the baseline TechEmpower Dropwizard code with a version packing an optimized Guava.
===============
Primer Requests
===============
Running 5s test @ http://localhost:9090/json
8 threads and 8 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 11.61ms 28.59ms 287.04ms 96.75%
Req/Sec 169.75 52.18 300.00 69.27%
Latency Distribution
50% 7.11ms
@ryankennedy
ryankennedy / json_bench.sh
Created April 22, 2016 05:16
Script that replicates the traffic being generated by the TechEmpower JSON serving benchmark.
#!/bin/sh
HOST=localhost
PORT=9090
URL=/json
CONTENT_TYPE_HEADER="application/json,text/html;q=0.9,application/xhtml+xml;q=0.9,application/xml;q=0.8,*/*;q=0.7"
CONNECTION_HEADER="Connection: keep-alive"
# Parameters:
@ryankennedy
ryankennedy / ab.log
Created October 23, 2015 05:28
ApacheBench SSL error
ab -c 1 -n 1 https://hw9j2li3ma.execute-api.us-east-1.amazonaws.com/prod/NodeSayHello
This is ApacheBench, Version 2.3 <$Revision: 1663405 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking hw9j2li3ma.execute-api.us-east-1.amazonaws.com (be patient)...SSL handshake failed (1).
10445:error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure:/BuildRoot/Library/Caches/com.apple.xbs/Sources/OpenSSL098/OpenSSL098-59/src/ssl/s23_clnt.c:593:
..done
@ryankennedy
ryankennedy / east_coast_nodejs_wrk.log
Last active October 23, 2015 05:20
AWS Lambda Latency
$ ./wrk -t 10 -c 50 -d 60s --latency --timeout 15s http://hw9j2li3ma.execute-api.us-east-1.amazonaws.com/prod/NodeSayHello
Running 1m test @ http://hw9j2li3ma.execute-api.us-east-1.amazonaws.com/prod/NodeSayHello
10 threads and 50 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 3.22ms 3.93ms 206.21ms 93.68%
Req/Sec 1.72k 366.83 2.19k 83.31%
Latency Distribution
50% 2.34ms
75% 2.59ms
90% 4.61ms
@ryankennedy
ryankennedy / TestUuidApplication.java
Created October 7, 2015 04:53
import io.dropwizard.Application;
import io.dropwizard.setup.Environment;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import java.util.UUID;
public class TestUuidApplication extends Application<TestUuidConfiguration> {
@ryankennedy
ryankennedy / asplode.log
Created September 28, 2015 04:49
telemetry-example blowing up in Java 8
WARN [2015-09-28 04:48:24,010] org.eclipse.jetty.server.AbstractConnector:
! java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError: Could not initialize class java.lang.invoke.CallSite
! at sun.net.ExtendedOptionsImpl.<clinit>(ExtendedOptionsImpl.java:47) ~[na:1.8.0_20]
! at sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder.defaultOptions(SocketChannelImpl.java:241) ~[na:1.8.0_20]
! at sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder.<clinit>(SocketChannelImpl.java:228) ~[na:1.8.0_20]
! at sun.nio.ch.SocketChannelImpl.supportedOptions(SocketChannelImpl.java:250) ~[na:1.8.0_20]
! at sun.nio.ch.SocketChannelImpl.setOption(SocketChannelImpl.java:169) ~[na:1.8.0_20]
! at sun.nio.ch.SocketAdaptor.setBooleanOption(SocketAdaptor.java:271) ~[na:1.8.0_20]
! at sun.nio.ch.SocketAdaptor.setTcpNoDelay(SocketAdaptor.java:306) ~[na:1.8.0_20]
! at org.eclipse.jetty.server.AbstractConnector.configure(AbstractConnector.java:391) ~[jetty-server-8.1.10.v20130312.jar:8.1.10.v20130312]
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ryankennedy / BulkUpdate.java
Created September 11, 2015 19:24
Bulk re-enable SNS endpoints
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.RegionUtils;
import com.amazonaws.services.sns.AmazonSNS;
import com.amazonaws.services.sns.AmazonSNSClient;
import com.amazonaws.services.sns.model.Endpoint;
import com.amazonaws.services.sns.model.ListEndpointsByPlatformApplicationRequest;
import com.amazonaws.services.sns.model.ListEndpointsByPlatformApplicationResult;
import com.amazonaws.services.sns.model.SetEndpointAttributesRequest;
import com.google.common.collect.ImmutableMap;
@ryankennedy
ryankennedy / output.txt
Created September 11, 2015 05:19
node trying to do substring on unicode
$ node substring.js 🙅🏿
🙅🏿.substring(0, 1) = �
🙅🏿.substring(0, 2) = 🙅
🙅🏿.substring(0, 3) = 🙅�
🙅🏿.substring(0, 4) = 🙅🏿