Problem with elasticsearch docker

Elastic Stack Elasticsearch
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1

Hi,

Following https://www.elastic.co/guide/en/elastic-stack-get-started/current/get-started-docker.html, during create_certs, I have problem "Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=container".

The error :

TLSDocker$ docker-compose -f create-certs.yml run --rm create_certs
    Pulling create_certs (docker.elastic.co/elasticsearch/elasticsearch:7.6.2)...
    7.6.2: Pulling from elasticsearch/elasticsearch
    c808caf183b6: Already exists
    d6caf8e15a64: Pull complete
    b0ba5f324e82: Pull complete
    d7e8c1e99b9a: Pull complete
    85c4d6c81438: Pull complete
    3119218fac98: Pull complete
    914accf214bb: Pull complete
    Digest: sha256:59342c577e2b7082b819654d119f42514ddf47f0699c8b54dc1f0150250ce7aa
    Status: Downloaded newer image for docker.elastic.co/elasticsearch/elasticsearch:7.6.2
    Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=container error was
    14: curl#7 - "Failed to connect to 2a05:d012:8b5:6503:9efb:5cad:348f:e826: Cannot assign requested address"


     One of the configured repositories failed (Unknown),
     and yum doesn't have enough cached data to continue. At this point the only
     safe thing yum can do is fail. There are a few ways to work "fix" this:

         1. Contact the upstream for the repository and get them to fix the problem.

         2. Reconfigure the baseurl/etc. for the repository, to point to a working
            upstream. This is most often useful if you are using a newer
            distribution release than is supported by the repository (and the
            packages for the previous distribution release still work).

         3. Run the command with the repository temporarily disabled
                yum --disablerepo=<repoid> ...

         4. Disable the repository permanently, so yum won't use it by default. Yum
            will then just ignore the repository until you permanently enable it
            again or use --enablerepo for temporary usage:

                yum-config-manager --disable <repoid>
            or
                subscription-manager repos --disable=<repoid>

         5. Configure the failing repository to be skipped, if it is unavailable.
            Note that yum will try to contact the repo. when it runs most commands,
            so will have to try and fail each time (and thus. yum will be be much
            slower). If it is a very temporary problem though, this is often a nice
            compromise:

                yum-config-manager --save --setopt=<repoid>.skip_if_unavailable=true

    Cannot find a valid baseurl for repo: base/7/x86_64

How to solve it?
Thank you in advance.

2

Hello @DBond

While the error seems related to Yum defaulting to IPv6 resolution of the mirrors, I think you can remove the command yum install -y -q -e 0 unzip; as unzip seems already installed in the Docker image.

Can you please try removing yum install -y -q -e 0 unzip; from create-certs.yml?

3

Thank you...it works !!
The guide document should be updated.

Rgds,

4

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