Re: [tycho-user] Use mirror for multiple Nexus p2 unzip repositories

[Irene Wang <iwang@xxxxxxxxxx>]

Hi Jeff,

I did give that plugin a try as well at the beginning, but it was taking 3-4h for every metadata regeneration run, and it seemed not to update on the fly but only when I ran my scheduled task.

Out of curiosity, how has your experience been with performance for that? Also, do you know how it handles snapshots? Does it only include the latest snapshot into the p2 repo?

Back to the mirroring issue, I suppose we'll just have to do a wget or rsync type synchronization of our http://<nexus>:8081/nexus/content/unzip.

Irene

On 06-Feb-15 11:07, Jeff MAURY wrote:

That's why I'm not using the Nexus P2 maven plugin but rather a feature of Nexus that is able to export a Maven hosted repository as a P2 repository !!!!

Jeff

On Fri, Feb 6, 2015 at 9:53 AM, Irene Wang <iwang@xxxxxxxxxx> wrote:

Hi Jeff,

As far as I can tell, a repository group in Nexus groups Nexus repositories, and there isn't a way of grouping specific paths/artifacts within a Nexus repository (i.e. a path pointing to an virtually unzipped repository, like http://<nexus>:8081/nexus/content/unzip/P2UnzipVirtualRepository/<groupId>/p2-repo-artifact/1.0.0-SNAPSHOT/p2-repo-artifact-1.0.0-SNAPSHOT.zip-unzip/).

I would like to proxy a number of such p2 repositories without each user needing to specify each of these URLs explicitly, as that would demand a lot of maintenance, for example, adding an entry for each and every version being used.

Irene

On 06-Feb-15 07:38, Jeff MAURY wrote:

Why can't you group them in Nexus ?

Jeff

On Thu, Feb 5, 2015 at 7:23 PM, Irene Wang <iwang@xxxxxxxxxx> wrote:

Hello all,

We have a team with a slow/unstable connection to our main Nexus server. I have created local proxy repositories for our Tycho builds, however I would like to make settings.xml configurations as simple as possible, with as little ongoing maintenance as possible.

For basic Maven builds, I am able to group a number of repositories together, then use the following syntax to use mirrors of all repositories:
<mirror>
    <id>nexus_mirror</id>
<url>http://localhost:8081/nexus/content/groups/proxy</url>
    <mirrorOf>*</mirrorOf>
</mirror>

I am having trouble coming up with a similar solution for Nexus p2 unzip-type repositories. The Tycho build expects the exact mirror url provided by settings.xml to be a p2 repo. As I have no way of grouping the various final urls of unzipped p2 repos into a repository group in Nexus, I am wondering if there is a solution for using mirrors of a number of p2 repositories from Tycho without specifying each mirror explicitly and individually in settings.xml?

Thanks very much in advance,

Irene
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Jeff MAURY


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"Legacy code" often differs from its suggested alternative by actually working and scaling.
 - Bjarne Stroustrup

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