failed run exporter inside docker

[Electronn]

Hello,

I try to ran image inside docker build :

• Dockerfile

FROM golang
RUN go get -u github.com/justwatchcom/elasticsearch_exporter
COPY start.sh /
RUN chmod +x /start.sh
CMD /start.sh

• start.sh

#!/bin/bash
elasticsearch_exporter -es.uri http://my.ip.ad.dr:9200

• docker-compose.yml

prom-elastic:
  build: ./prom-elastic
  container_name: prom-elastic
  hostname: prom-elastic
  ports:
   - 9108:9108

• docker version

# docker --version
Docker version 17.03.1-ce, build c6d412e

Error :

2017/06/12 20:45:58 Starting Server: :9108
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x6f8062]

goroutine 49 [running]:
github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus.(*CounterVec).WithLabelValues(0x0, 0xc42009c938, 0x2, 0x2, 0xa77300, 0xc42027b200)
        /go/src/github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus/counter.go:139 +0x22
main.(*Exporter).Collect(0xc420194080, 0xc420196480)
        /go/src/github.com/justwatchcom/elasticsearch_exporter/exporter.go:459 +0x39af
github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus.(*registry).writePB.func2(0xc4201b4750, 0xc420196480, 0xa252e0, 0xc420194080)
        /go/src/github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus/registry.go:420 +0x61
created by github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus.(*registry).writePB
        /go/src/github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus/registry.go:421 +0x274

[Foxsa]

+1

2017/06/15 09:44:51 Starting Server: :9108
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0x59fb4d]

goroutine 21 [running]:
panic(0x8931e0, 0xc820012080)
	/usr/lib/go-1.6/src/runtime/panic.go:481 +0x3e6
github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus.(*CounterVec).WithLabelValues(0x0, 0xc820228a88, 0x2, 0x2, 0x0, 0x0)
	/home/asavin/golang/src/github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus/counter.go:139 +0xbd
main.(*Exporter).Collect(0xc820084580, 0xc82000eba0)
	/home/asavin/golang/src/github.com/justwatchcom/elasticsearch_exporter/exporter.go:471 +0x5805
github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus.(*registry).writePB.func2(0xc820131240, 0xc82000eba0, 0x7f5860df8c98, 0xc820084580)
	/home/asavin/golang/src/github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus/registry.go:420 +0x58
created by github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus.(*registry).writePB
	/home/asavin/golang/src/github.com/justwatchcom/elasticsearch_exporter/vendor/github.com/prometheus/client_golang/prometheus/registry.go:421 +0x34d

[dominikschulz]

Which ES versions are you using? Couldn't reproduce with ES 5.4.1.

[Foxsa]

tested on 5.4.0 and 2.4.1

[Electronn]

2.4.5 , 5.4.1

[dominikschulz]

Hmm, will need some more time to investigate ...

[Electronn]

Also tested on 4 different servers ( exporters ) with various hardware.

[dominikschulz]

Thank you, I do not doubt there is a bug somewhere, only I couldn't reproduce it in my (very brief) first tests.

We're using this exporter in production, and it's very important to us, so we'll definitely try to fix this soon.

Unfortunately no ETA, sorry.

[dominikschulz]

Can you please check if the issue is gone with 0.3.3? Works for us (but 0.3.1 also did ...)

[Foxsa]

It works for me now! Thanks!

[dominikschulz]

In case you have any trouble with the current 1.0.0-rc1 or later, please open another issue.