Unable to start Docker Container about docker-zipkin-gcp HOT 28 CLOSED

/cc @adriancole

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will take a look tomorrow first thing. missed it!

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Thanks! I was having trouble tracing back the container used. Is it using Alpine by any chance? If so.. that could explain the issue.

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pushing image zipkin-gcp 0.7.0 now

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if you don't mind, can you q/a for me once it is on dockerhub? I am watching now, so if there's a problem i will see and dig

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i just gave 0.7.0 tag a try, but seeing the same issue. I think the base image is still alpine.

I haven't been able to trace the root base image:

FROM openzipkin/zipkin:2.11.1
...
RUN apk add unzip <- this still looks like alpine based distribution
...

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the base images is this https://github.com/openzipkin/docker-jre-full

I will try to run and see

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It is failing on OpenSsl required. Our base image for very long time has been alpine. Perhaps there's a package missing or something new in a later version of grpc that wasn't the case earlier

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I'm very much hoping that netty/netty-tcnative#111 isn't true and grpc isn't unsupported on alpine :P

@saturnism say it ain't so!

cc @openzipkin/devops-tooling

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afaik, it never supported alpine's libmusl :(
https://github.com/grpc/grpc-java/blob/master/SECURITY.md#troubleshooting <- I wrote most of this ;)

For smaller images, I'd recommend openjdk:8-jre-slim, or gcr.io/distroless/java :(

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Makes sense!

The other option is to add glibc to this image. but i don't think there is official support.

In the past we had a stackdriver zipkin proxy image that was hosted on gcr.io. That one worked for sure.

Thanks for taking a look!

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one of the things I believe google should be doing while promoting gcp is doing more to help norman. For example, this PR could have gotten alpine.. when there's a surge of demand on projects like netty, it could be good to dig in and help netty/netty-tcnative#252

if that happened, we'd probably have no dillemma right now, but there's still a chance to change the future :) @saturnism can you take this feedback to google? :P

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opened openzipkin/docker-java#9 to track us moving our base image to JRE 11, which will obviate the ssl concern

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I am testing images.. so far zipkin-gcp up to 0.6.0 works. I think something changed where possibly falling back when openssl isn't available changed to crash the server

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zipkin-gcp 0.6.2 works, it started crashing in 0.6.3

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so this happened when we upgraded from grpc 1.11.0 to 1.13.1. One way out is to revert that.. this is the easiest. then we just upgrade later

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so this is from the 0.6.2 image

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checking to see if this is related to us changing to a different alpine image, which is entirely possible

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ok we are getting somewhere.. our base zipkin image switch from zulu to openjdk jre (both alpine) starting with zipkin 2.9.4.

Must be that the zulu image had openssl else the error would have occurred much earlier
https://github.com/openzipkin/zipkin-gcp/blob/master/autoconfigure/storage-stackdriver/src/main/java/zipkin/autoconfigure/storage/stackdriver/ZipkinStackdriverStorageAutoConfiguration.java#L83

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so the original image depended on, so this is why it worked https://hub.docker.com/r/frolvlad/alpine-glibc/~/dockerfile/

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Spoke with @anuraaga. We are going to save ourselves some time by using ALPN bootstrap for now. Later, we can just update to JDK 11. openzipkin/zipkin-gcp#91

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tested with a local docker build and works

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ok 0.7.1 should fix this. thanks especially @anuraaga for helping find a way out of this problem without implying lot of temporary image reshuffling.

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tested published image, so hopefully also works for others!

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Yay! That started off fine. Thank you!

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