[jbosstools-issues] [JBoss JIRA] (ERT-470) Unable to list image tags on DockerHub [EBZ#508282]

[Friendly Jira Robot (JIRA)]

     [ https://issues.jboss.org/browse/ERT-470?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Friendly Jira Robot resolved ERT-470.
-------------------------------------
    Resolution: Done


> Unable to list image tags on DockerHub [EBZ#508282]
> ---------------------------------------------------
>
>                 Key: ERT-470
>                 URL: https://issues.jboss.org/browse/ERT-470
>             Project: Eclipse Release Train
>          Issue Type: Task
>          Components: Linux Tools
>            Reporter: Friendly Jira Robot
>              Labels: 5.2.0, Docker, bzira
>             Fix For: Neon.2 (4.6)
>
>
> It seems like the '/v1/' endpoint has been removed, resulting in an empty list of tags in the "Search Images" wizard. 
> But there's hope. The Docker Hub registry now runs on the '/v2' endpoint but requires authentication:
> curl https://index.docker.io/v2/jboss/wildfly/tags/list -v
> *   Trying 54.85.12.131...
> * Connected to index.docker.io (54.85.12.131) port 443 (#0)
> * TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
> * Server certificate: *.docker.io
> * Server certificate: RapidSSL SHA256 CA - G3
> * Server certificate: GeoTrust Global CA
> > GET /v2/jboss/wildfly/tags/list HTTP/1.1
> > Host: index.docker.io
> > User-Agent: curl/7.43.0
> > Accept: */*
> >
> < HTTP/1.1 401 Unauthorized
> < Content-Type: application/json; charset=utf-8
> < Docker-Distribution-Api-Version: registry/2.0
> < Www-Authenticate: Bearer realm="https://auth.docker.io/token",service="registry.docker.io",scope="repository:jboss/wildfly:pull"
> < Date: Mon, 28 Nov 2016 10:29:37 GMT
> < Content-Length: 145
> < Strict-Transport-Security: max-age=31536000
> <
> {"errors":[{"code":"UNAUTHORIZED","message":"authentication required","detail":[{"Type":"repository","Name":"jboss/wildfly","Action":"pull"}]}]}
> The request above failed because not auth token was provided, but the registry returned a special 'Www.Authenticate' response header which points to the authentication service to call, along with the parameters to provide:
> curl -v https://auth.docker.io/token\?service\=registry.docker.io\&scope\=repository:jboss/wildfly:pull
> *   Trying 52.72.61.89...
> * Connected to auth.docker.io (52.72.61.89) port 443 (#0)
> * TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
> * Server certificate: *.docker.io
> * Server certificate: RapidSSL SHA256 CA - G3
> * Server certificate: GeoTrust Global CA
> > GET /token?service=registry.docker.io&scope=repository:jboss/wildfly:pull HTTP/1.1
> > Host: auth.docker.io
> > User-Agent: curl/7.43.0
> > Accept: */*
> >
> < HTTP/1.1 200 OK
> < Content-Type: application/json
> < Date: Mon, 28 Nov 2016 10:29:58 GMT
> < Content-Length: 1442
> < Strict-Transport-Security: max-age=31536000
> <
> {"token":"eyJ...Rg"}
> Once the token has be retrieved, the first request can be run again, this time with the token:
> curl https://index.docker.io/v2/jboss/wildfly/tags/list -v -H "Authorization: Bearer eyJ...Rg"
> *   Trying 52.207.178.113...
> * Connected to index.docker.io (52.207.178.113) port 443 (#0)
> * TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
> * Server certificate: *.docker.io
> * Server certificate: RapidSSL SHA256 CA - G3
> * Server certificate: GeoTrust Global CA
> > GET /v2/jboss/wildfly/tags/list HTTP/1.1
> > Host: index.docker.io
> > User-Agent: curl/7.43.0
> > Accept: */*
> > Authorization: Bearer eyJ...Rg
> >
> < HTTP/1.1 200 OK
> < Content-Type: application/json; charset=utf-8
> < Docker-Distribution-Api-Version: registry/2.0
> < Date: Mon, 28 Nov 2016 10:30:13 GMT
> < Content-Length: 157
> < Strict-Transport-Security: max-age=31536000
> <
> {"name":"jboss/wildfly","tags":["10.0.0.Final","10.1.0.Final","8.1.0.Final","8.2.0.Final","8.2.1.Final","9.0.0.Final","9.0.1.Final","9.0.2.Final","latest"]}
> See https://docs.docker.com/registry/spec/api/#/listing-image-tags
> and https://docs.docker.com/registry/spec/auth/token/#/requesting-a-token
> The logic to retrieve the list of tags for a given image should check if the registry is a 'v2' and if it needs authentication as described above.



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