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aurproxy's Issues

aurproxy doesn't run on newer Mesos clusters.

The assembled Docker image doesn't include libraries which are necessary on newer Mesos clusters, see AURORA-1487. Without these, startup fails:

Could not load MesosExecutorDriver!

Add travis-ci for automatically testing PR's + commits

@ThanosBaskous What do you think of setting up travis for aurproxy? That way any new PR will be unit tested as will any commits. I started playing with adding HEAD request support to the http healthchecker last night and will be updating the tests.

I'd be happy to make a travis config for you if you've never used it. Two other large open source projects I co-maintain have used travis successfully. The saltstack corp guys use a jenkins instance they setup internally to test their proprietary stuff, but they were using travis quite successfully awhile back.

Threading traceback (assumed to be from gevent) swallowed

Every time aurproxy writes out a new configuration, I get a line such as:

2015-07-07 10:41:20,677 [INFO] tellapart.aurproxy.backends.nginx.backend: Applying new configuration.
Exception AttributeError: AttributeError("'_DummyThread' object has no attribute '_Thread__block'",) in <module 'threading' from '/usr/lib64/python2.7/threading.pyc'> ignored

At first, I thought it was from the run_local('kill -HUP ...') call in the nginx backend's restart(), but changing that to something else has no effect. My guess is something in the gevent code is buggy and I'm not sure of the best way to find it (but would like to see no tracebacks).

I'm starting aurproxy via:

```bash
python -m "tellapart.aurproxy.command" run \
    --sentry-dsn='gevent+https://<sentry_user>:<sentry_api_key>@<internal_sentry_server_url>/27' \
    --management-port=31325 \
    --config "$config_json"

With this config json:

{
    "backend": "nginx",
    "configuration_file": "/etc/nginx/nginx.conf",
    "servers": [
        {
            "context": {
                "default_server": "True",
                "location_blacklist": []
            },
            "healthcheck_route": "/healthcheck/",
            "hosts": [
                "hello_world2.internal"
            ],
            "ports": [
                8080
            ],
            "routes": [
                {
                    "locations": [
                        "/"
                    ],
                    "sources": [
                        {
                            "endpoint": "http",
                            "environment": "devel",
                            "job": "hello_world2",
                            "role": "jschroeder",
                            "share_adjusters": [
                                {
                                    "curve": "linear",
                                    "ramp_delay": 5,
                                    "ramp_seconds": 60,
                                    "share_adjuster_class": "tellapart.aurproxy.share.adjusters.RampingShareAdjuster",
                                    "update_frequency": 10
                                },
                                {
                                    "healthy_threshold": 2,
                                    "interval": 10,
                                    "port_name": "http",
                                    "route": "/health",
                                    "share_adjuster_class": "tellapart.aurproxy.share.adjusters.HttpHealthCheckShareAdjuster",
                                    "timeout": 5,
                                    "unhealthy_threshold": 3
                                }
                            ],
                            "source_class": "tellapart.aurproxy.source.AuroraProxySource",
                            "zk_servers": "njb-zkl1:2181,njb-zkl2:2181,njb-zkl3:2181"
                        }
                    ]
                }
            ]
        },
        {
            "context": {
                "location_blacklist": []
            },
            "healthcheck_route": "/healthcheck/",
            "hosts": [
                "hello_world_flask.internal",
                "hello_world_flask",
                "hello_world_flask-prod",
                "hello_world_flask-prod.internal"
            ],
            "ports": [
                8080
            ],
            "routes": [
                {
                    "locations": [
                        "/"
                    ],
                    "sources": [
                        {
                            "endpoint": "http",
                            "environment": "devel",
                            "job": "hello_world_flask",
                            "role": "jschroeder",
                            "share_adjusters": [
                                {
                                    "curve": "linear",
                                    "ramp_delay": 5,
                                    "ramp_seconds": 60,
                                    "share_adjuster_class": "tellapart.aurproxy.share.adjusters.RampingShareAdjuster",
                                    "update_frequency": 10
                                },
                                {
                                    "healthy_threshold": 2,
                                    "interval": 10,
                                    "port_name": "http",
                                    "route": "/health",
                                    "share_adjuster_class": "tellapart.aurproxy.share.adjusters.HttpHealthCheckShareAdjuster",
                                    "timeout": 5,
                                    "unhealthy_threshold": 3
                                }
                            ],
                            "source_class": "tellapart.aurproxy.source.AuroraProxySource",
                            "zk_servers": "njb-zkl1:2181,njb-zkl2:2181,njb-zkl3:2181"
                        }
                    ]
                }
            ],
            "share_adjusters": [
                {
                    "curve": "linear",
                    "seconds": 60,
                    "share_adjuster_class": "aurproxy.share.adjusters.RampingShareAdjuster",
                    "update_frequency": 10
                },
                {
                    "healthy_threshold": 2,
                    "interval": 3,
                    "route": "/health/",
                    "share_adjuster_class": "aurproxy.share.adjusters.HttpHealthCheckShareAdjuster",
                    "timeout": 2,
                    "unhealthy_threshold": 2
                }
            ]
        }
    ]
}

Sadly, nothing is being logged to sentry either.

Support metrics publishers for graphite and/or statsd

I'm one of the graphite maintainers and love to graphite all the things. If I get a bit more free time I can implement this myself, otherwise feel free to beat me to it.

It is pretty heavily used in the web / startup industry and seems worth supporting in addition to services like librato / new relic / etc.

HTTP 2 support?

Hi,
I evaluating load balancing solution on mesos, especially, aurora. I'm using grpc. My question is simple: Does aurproxy support http 2?

Docker build fails due to syntax incompatibility in downstream library

Example session below, the version of golang in Debian Jessie doesn't understand the newer syntax. Using a newer version of golang works.

Step 6 : RUN mkdir -p $GOPATH  && go get github.com/buger/gor  && cd $GOPATH/src/github.com/buger/gor  && go build
 ---> Running in 9be8e9012659
# github.com/araddon/gou
/opt/go/src/github.com/araddon/gou/testutil.go:26: syntax error: unexpected range, expecting {
/opt/go/src/github.com/araddon/gou/testutil.go:34: non-declaration statement outside function body
/opt/go/src/github.com/araddon/gou/testutil.go:35: non-declaration statement outside function body
/opt/go/src/github.com/araddon/gou/testutil.go:36: syntax error: unexpected }
INFO[0177] The command [/bin/sh -c mkdir -p $GOPATH  && go get github.com/buger/gor  && cd $GOPATH/src/github.com/buger/gor  && go build] returned a non-zero code: 2

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