Automatically compute the mirror URL for downloading Solr

[BR0kEN-]

Download from Ukrainian mirror while located in Ukraine:

time wget http://apache.volia.net/lucene/solr/6.6.2/solr-6.6.2.tgz
--2017-11-22 17:34:47--  http://apache.volia.net/lucene/solr/6.6.2/solr-6.6.2.tgz
Resolving apache.volia.net... 82.144.192.7, 82.144.192.7
Connecting to apache.volia.net|82.144.192.7|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 147343211 (141M) [application/x-gzip]
Saving to: ‘solr-6.6.2.tgz.1’

solr-6.6.2.tgz.1                                   100%[================================================================================================================>] 140.52M  8.62MB/s    in 15s

2017-11-22 17:35:02 (9.40 MB/s) - ‘solr-6.6.2.tgz.1’ saved [147343211/147343211]


real	0m15.214s
user	0m0.112s
sys	0m0.974s

Download from the original location while located in Ukraine:

time wget http://archive.apache.org/dist/lucene/solr/6.6.2/solr-6.6.2.tgz
--2017-11-22 17:34:09--  http://archive.apache.org/dist/lucene/solr/6.6.2/solr-6.6.2.tgz
Resolving archive.apache.org... 163.172.17.199
Connecting to archive.apache.org|163.172.17.199|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 147343211 (141M) [application/x-gzip]
Saving to: ‘solr-6.6.2.tgz’

solr-6.6.2.tgz                                      62%[=====================================================================>                                           ]  87.60M  53.1KB/s    eta 22m 5s

Result: 100%/15 sec. vs 62%/22 min. I think comments are unnecessary.

To do

• Use mirror scripts (https://reference.apache.org/pmc/mirror_scripts) for computing the closest location.

[BR0kEN-]

Thanks @ban6ka for pointing out to this.

So, the VM with all available software for installation, has been provisioned for ~23 minutes (including the vagrant up downtime).

Which version of PHP you'd want to install? (5.6/7.0/7.1) [5.6]:
Which version of Node.js you'd want to install? (4/5/6/7) [6]:
Which version of Ruby you'd want to install? (2.1.10/2.2.6/2.3.3/2.4.0) [2.4.0]:
Which version of Solr you'd want to install? (5.5.5/6.6.2/no) [5.5.5]:
Do you want to install Microsoft SQL Server? (yes/no) [yes]:

real	22m37.758s
user	1m37.990s
sys	0m33.631s

The command that was used for testing: vagrant destroy && time vagrant up.