Difference between revisions of "Download Server"

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There is a need for a "download server" for OSGeo that provides for bulk downloads of software.
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There is a need for a "download server" for OSGeo that provides for bulk downloads of software.
  
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We are hesitant to handle this on our primary server hosted by Peer1 because of the risk of exceeding our bandwidth allotment and getting charged a lot extra.  For that reason the download server is being hosted on a telascience blade.  Telascience has extensive bandwidth and is not charging OSGeo for it. 
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= Configuration =
  
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= Configuration =
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The download container on osgeo7, ssh via upload.osgeo.org (requires SSH key) Refer to [[SAC_Service_Status#Download|SAC_Service_Status Download Container]]
  
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For now the 198.202.74.219 blade is being used as a download server.   
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* download.osgeo.org should not be used as it is a round robin that floats between osgeo7, osgeo8, and osgeo9 to balance load.
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* The upload.osgeo.org DNS name only points to the osgeo7 download container
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* The downloadable tree is found in /osgeo/download on the server. (mirrored at https://ftp.osuosl.org/pub/osgeo)
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* The virtual host declaration is found in /etc/nginx/sites-available
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* Logs are in /var/log/nginx
  
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* It will be known as "download.osgeo.org", and is configured to respond to that, but currently no such DNS entry exists.  In the meantime the url http://buildbot.osgeo.org/download/ can be used in place of http://download.osgeo.org/
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* bottle.download.osgeo.org (Mac Bottles) is also hosted on this server and in folder /osgeo/bottle mirrored at  https://ftp.osuosl.org/pub/osgeo/bottle
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* The downloadable tree is found in /osgeo/download on the server.
 
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* The virtual host declaration is found in /etc/httpd/conf/httpd.conf.
 
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* Logs are in /etc/httpd/logs/download_access_log and /etc/httpd/logs/download_error_log.
 
  
 
= Management =  
 
= Management =  
  
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It is intended that each interested project should have a directory under /osgeo/download with appropriate permissions so a project member can manage the subdirectories and files.  Scp, or sftp can be used to bring files onto the server.  Someone from each project will need a shell account on the server.   
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It is intended that each interested project should have a directory under /osgeo/download with appropriate permissions so a project member can manage the subdirectories and files.  Scp, or sftp can be used to bring files onto the server.  Someone from each project will need their LDAP OSGeo Userid [https://www.osgeo.org/cgi-bin/auth/ldap_shell.py shell enabled], for ssh/scp access.   
  
 
Any administrator can create new project directories, and chown them to a project representative.
 
Any administrator can create new project directories, and chown them to a project representative.
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End users should be referred to downloads similarly to:
 
End users should be referred to downloads similarly to:
  
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  http://download.osgeo.org/gdal/gdal-1.3.2.tar.gz
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  https://download.osgeo.org/gdal/gdal-1.3.2.tar.gz
 +
 
 +
Directory indexing is left on so requesting a directory will give a file list.
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= Rsync =
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The /osgeo/download area is exported for anonymous rsync read access as a module named "download".  The following can be used to pull a local copy of the gdal data tree for instance:
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rsync -av upload.osgeo.org::download/gdal/data .
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This is controlled by the rsync configuration file at /etc/rsyncd.conf.  It is possible that rsyncd will not automatically restart on reboot in which case "rsyncd --daemon" as root may be necessary to start it.
 +
 
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= Webdav =
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Some projects using Maven as their build tool require webdav in order to work. There is a standalone webdav in nginx setup
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for geoserver/geotools use using a htpasswd file in /etc/nginx/auth/geotools
 +
 
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= Backup =
  
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Directory indexing is left on so requesting a directory will give a file list.  
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Nightly backups of the /osgeo/download tree are managed using rsync to /mirror/rsync/download.osgeo.org on backup.osgeo.org by root's crontab.
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/home/other_backups/download directory backup.osgeo.org by a nightly cronjob, and this mirror is available at the url download2.osgeo.org and http://ftp.osuosl.org/pub/osgeo/download/ if needed
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(NOTE: that rsync does not delete file on backup.osgeo.org, if they were removed from download.osgeo.org).
  
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= Issues =
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There is a weekly backup of the whole download container backed up as stopped container on osgeo4 and called download-backup.
  
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* I would like to eventually add an anonymous ftp server serving off the same tree.  I have had very good luck with the vsftpd server for anonymous ftp serving for ftp.remotesensing.org.
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[[Category:Infrastructure]]
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* We should eventually provide download statistics on a per-project basis for easy viewing by the projects.
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[[Category:Services]]
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* We might consider some sort of rsync ability for updating, or mirroring from the service.
 
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* There is only 10GB of free disk space on this blade, and in general the telascience blades have rather limited disk space, so these systems offer limited scalability for the amount of software available.
 

Latest revision as of 21:53, 10 April 2022

There is a need for a "download server" for OSGeo that provides for bulk downloads of software.

Configuration

The download container on osgeo7, ssh via upload.osgeo.org (requires SSH key) Refer to SAC_Service_Status Download Container

  • download.osgeo.org should not be used as it is a round robin that floats between osgeo7, osgeo8, and osgeo9 to balance load.
  • The upload.osgeo.org DNS name only points to the osgeo7 download container
  • The downloadable tree is found in /osgeo/download on the server. (mirrored at https://ftp.osuosl.org/pub/osgeo)
  • The virtual host declaration is found in /etc/nginx/sites-available
  • Logs are in /var/log/nginx

Management

It is intended that each interested project should have a directory under /osgeo/download with appropriate permissions so a project member can manage the subdirectories and files. Scp, or sftp can be used to bring files onto the server. Someone from each project will need their LDAP OSGeo Userid shell enabled, for ssh/scp access.

Any administrator can create new project directories, and chown them to a project representative.

End Users

End users should be referred to downloads similarly to: 

https://download.osgeo.org/gdal/gdal-1.3.2.tar.gz

Directory indexing is left on so requesting a directory will give a file list.

Rsync

The /osgeo/download area is exported for anonymous rsync read access as a module named "download". The following can be used to pull a local copy of the gdal data tree for instance: 

rsync -av upload.osgeo.org::download/gdal/data .

This is controlled by the rsync configuration file at /etc/rsyncd.conf. It is possible that rsyncd will not automatically restart on reboot in which case "rsyncd --daemon" as root may be necessary to start it.

Webdav

Some projects using Maven as their build tool require webdav in order to work. There is a standalone webdav in nginx setup for geoserver/geotools use using a htpasswd file in /etc/nginx/auth/geotools

Backup

Nightly backups of the /osgeo/download tree are managed using rsync to /mirror/rsync/download.osgeo.org on backup.osgeo.org by root's crontab. /home/other_backups/download directory backup.osgeo.org by a nightly cronjob, and this mirror is available at the url download2.osgeo.org and http://ftp.osuosl.org/pub/osgeo/download/ if needed (NOTE: that rsync does not delete file on backup.osgeo.org, if they were removed from download.osgeo.org).

There is a weekly backup of the whole download container backed up as stopped container on osgeo4 and called download-backup.

Retrieved from "http://wiki.osgeo.org/w/index.php?title=Download_Server&oldid=128186"