Add support for standard collection aliases #46
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`solr-home/collection2/conf` is a symlink to `../collection1/conf` to prevent copying all this stuff in the source tree. This symlink required some changes: * copy the solrhome not from the `target/` directory but from the source directory (because sbt "copies" the symlink as empty directory) * no longer use commons-io `FileUtils.copyDirectory` but use our own solution, because commons-io does not handle the symlink appropriately (and the existing scala better-files does it not better) The symlink actually is resolved during the copy, i.e. the link target directory is copied to the destination: necessary because uploading from the symlink directory failed (in `SolrZkClient.uploadToZK`). All this stuff is basically a preparation for collection alias tests.
* `SolrServers.matching` now returns `Try` instead of just an empty list in case of issues (e.g. an unknown collection) * `LoadBalancer.solrServer` now returns a `Try` instead of `Option`
This adds support for standard collection aliases (in contrast to (time) routes aliases, see also the [Collections API / CREATEALIAS docs](https://lucene.apache.org/solr/guide/7_4/collections-api.html#createalias). While the implementation uses only the first aliased collection to resolve possible replica urls for the query, on server side solr will still query all (multiple) aliased collections and return the combined result. Closes #31, #39
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Released with solrs 2.2.0 |
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This adds support for standard collection aliases (in contrast to (time) routes aliases, see also the Collections API / CREATEALIAS docs).
While the implementation uses only the first aliased collection to resolve possible replica urls for the query, on server side solr will still query all (multiple) aliased collections and return the combined result.
Closes #31, #39