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Size: 8906
Comment: update info about askbot machines, remove combinat.sagemath.org machine that seems not to exist anymore (was used for mercurial queues)
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Size: 7026
Comment: Remove outdated "wishlist"
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| * hosted at: [[https://www.osu.edu/|Ohio State University]] * technology used: ubuntu, nginx, uwsgi, postgesql, askbot * there are two machines : ask-sagemath and ask-sagemath-db * resources needed: database on a separate VM, 2GB RAM, 10GB disk * admin: niles, tmonteil |
* hosted at: [[https://lipn.univ-paris13.fr/|LIPN (CS lab)]], University Paris North (Villetaneuse) |
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| * local tech contact: David Alden, Josh Carroll | |
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| * admin: tmonteil * local sage dev: tmonteil * technology used: unprivileged LXC, debian, nginx, uwsgi, postgesql, askbot * issues : upgrade askbot to further versions is pretty painful (broken database migration scripts) * formerly hosted at: [[https://www.osu.edu/|Ohio State University]] (thanks !) * resources needed: database on a separate VM, 2GB RAM, 10GB disk * admin: niles, tmonteil * local tech contact: David Alden, Josh Carroll * technology used: ubuntu, nginx, uwsgi, postgesql, askbot * there are two machines : ask-sagemath and ask-sagemath-db |
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| * currently keeping a daily backup of : * https://ask.sagemath.org * https://wiki.sagemath.org |
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| * hosted at: moved to cloud.google.com ? * technology used: ubuntu, apache, moinmoin * resources needed: ?CPU ?RAM ?DISK * admin: people with root access: kclawson, wstein, ohanar, mmarco, dimpase * contact: no real organisation yet, go to sage-devel |
* hosted at: [[https://lipn.univ-paris13.fr/|LIPN (CS lab)]], University Paris North (Villetaneuse) * contact: sagemath-admins@googlegroups.com * url: https://wiki.sagemath.org * admin: tmonteil * local sage dev: tmonteil * technology used: unprivileged LXC, debian, nginx, certbot, uwsgi, moinmoin, jsmath, docutils * formerly hosted at: cloud.google.com |
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= Planned services (wishlist) = * schilly: who wishes this and did define those purposes based on what discussion? * tmonteil: this is a ''wishlist'', not something collectively decided. Note however that almost nothing in the current framework was collectively discussed either. == backup == * purpose: backup between remote hosts, local backups can be destroyed * schilly: backup of what? * tmonteil: backup of the data of the services we maintain: ask, trac, git, wiki,... according to [https://groups.google.com/forum/#!msg/sage-devel/ed_ya-d-k_E/5csVA6wsCwAJ this] [http://comments.gmane.org/gmane.comp.mathematics.sage.devel/84894 post] there is currently no regular backup at all for those services (except ask, that benefits for a semi-automatic backup system), this is why i proposed to have a server dedicated to that, located in a different place than the other services. * we got a VM at [[https://www.math.u-psud.fr/|Orsay math department]] with 1TB of disk, we are currently setting it up, and use it for more and more services. == stats == * purpose: stop feeding google-analytics database * schilly: strong objection, we have a long time history stored there and it's far better than any other tools * tmonteil: i hope this long time history could be easily fetched in some open format, or does this mean that we locked ourselves there? (being locked would imply that this tool is among the worst) * tmonteil: better for who? for google and the NSA to which we currently provide all our visitors IPs? There is a serious privacy issue with such analytics saas tools. * public stats are here [[http://www.histats.com/viewstats/?SID=1579950&f=2]] * novoselt: horrific page - I thought such blinking adds are a thing of the past, had to close it before finding any data * tmonteil: note that free software alternative do exist == lists == * purpose: do not depend on googlegroups (see what happened with googleID on ask and sagenb) * schilly strong objection: what has this to do with google id? * tmonteil: googleID is an example of a service that was stopped by google, with strong consequences on our side (some people not able to connect anymore (e.g. on ask.sagemath.org), or not able to retrieve their work (e.g. on sagenb.org)). What will happen when google will decide that googlegroups will be shut down? Would we be able to discuss with them about this issue? |
This page aims to keep information public about Sage's infrastructure. Question mark means that the information is not confirmed, please edit if you know more... and note the date of your update so that current and stale information can be distinguished.
Please mark which services still need to find a new home, with the system requirements and the deadline.
Contents
-
Current services
- DNS
- ask.sagemath.org
- backup
- doc.sagemath.org, planet.sagemath.org, www.sagemath.org
- files.sagemath.org, fileserver.sagemath.org, old.files.sagemath.org
- git.sagemath.org, trac.sagemath.org
- GitHub organization for SageMath
- GitLab organization for SageMath
- build.sagemath.org
- patchbot.sagemath.org
- rsync.sagemath.org
- sageb0t
- sagecell.sagemath.org
- sagenb.org
- wiki.sagemath.org
- zulip.sagemath.org
- DockerHub organization
Current services
DNS
- registrant: was
- admin: was, schilly
- tech contact: was, schilly
ask.sagemath.org
- purpose: webserver where users can get support
hosted at: LIPN (CS lab), University Paris North (Villetaneuse)
contact: sage-askbot-admin@googlegroups.com
- admin: tmonteil
- local sage dev: tmonteil
- technology used: unprivileged LXC, debian, nginx, uwsgi, postgesql, askbot
- issues : upgrade askbot to further versions is pretty painful (broken database migration scripts)
formerly hosted at: Ohio State University (thanks !)
- resources needed: database on a separate VM, 2GB RAM, 10GB disk
- admin: niles, tmonteil
- local tech contact: David Alden, Josh Carroll
- technology used: ubuntu, nginx, uwsgi, postgesql, askbot
- there are two machines : ask-sagemath and ask-sagemath-db
backup
- purpose: keep the data of various services in a separate place
hosted at: Mathematics lab, Université Paris Sud (Orsay)
- technology used: debian, rsync, cron
- resources needed: 1TB disk
- admin: tmonteil, slelievre
- local sage dev: slelievre
- local tech contact: Mathilde Rousseau
- currently keeping a daily backup of :
doc.sagemath.org, planet.sagemath.org, www.sagemath.org
- purpose: on-line browsable documentation + web homepage
- hosted at: github.io
- technology used: proprietary
- resources needed: 0 CPU, 0 RAM, 0 DISK
- admin: everyone who is on the github group for sagemath
- contact: schilly for the website
url: https://doc.sagemath.org https://planet.sagemath.org https://www.sagemath.org
files.sagemath.org, fileserver.sagemath.org, old.files.sagemath.org
- purpose: main files, spkgs, and backup of "other" files
what's at files.sagemath.org is exactly rsync.sagemath.org::sage
- old.files.sagemath.org has the old stable releases
- are the old development tarballs are still archived somewhere?
- hosted at: UW. Other places are the mirrors of it.
- contact: schilly, vbraun
- admin: ohanar?
url: http://files.sagemath.org http://fileserver.sagemath.org http://old.files.sagemath.org
git.sagemath.org, trac.sagemath.org
- purpose: development tools, they share the same host
- hosted at: google ?
- technology used: ubuntu, apache, git, trac
- resources needed: ?CPU ?RAM ?DISK
- admin: people with root access: kclawson, ohanar, vbraun, mderickx, robertwb, wstein, dimpase
- contact: no real organisation yet, go to sage-devel
GitHub organization for SageMath
- admin: schilly, vbraun
GitLab organization for SageMath
- admin: embray, jrueth
build.sagemath.org
- purpose: distribute and gathers automatic binary building on volunteer's machines
- hosted at: University of Washington
technology used: ubuntu, nginx: see buildbot for more details
- resources needed: ?CPU ?RAM ?DISK
- admin: ??
- contact: ??
patchbot.sagemath.org
- purpose: distribute and gathers automatic ticket testing on volunteer's machines
hosted at: IRMA, Université de Strasbourg
technology used: ubuntu, nginx, uwsgi, flask, mongodb, see patchbot for more details
application source code: https://github.com/sagemath/sage-patchbot
- resources needed: Minimal CPU, RAM. ~50GB disk.
- admin: chapoton, tmonteil
- root access: chapoton, tmonteil
- contact: chapoton, tmonteil
- local sage dev: chapoton
- local tech contact: Alain Sartout
rsync.sagemath.org
purpose: the seed for mirrors, see MirrorNetwork for more details
- hosted at: University of Washington
- technology used: rsync
- resources needed:
- CPU 1 core
- RAM 2-3 GB (mostly for caching when calculating hashes)
- DISK enough for all sage files (50+ GB)
- admin: schilly
- contact: schilly
sageb0t
purpose: turn pull requests on GitHub into trac tickets
- contact: robertwb
sagecell.sagemath.org
- purpose: allow embedding sage computations within a webpage
- hosted at:
www.uni-frankfurt.de (Frankfurt, Germany)
Universidad Autónoma de Madrid (Madrid, Spain)
- Google Compute Engine (Council Bluffs, Iowa, USA)
- technology used: production installation requires a dedicated server (either physical or virtual)
- resources needed:
- RAM: 32GB recommended for smooth operation, 16GB may become enough in the future
- CPU: the more the better for handling spikes in load and allowing parallel interacts, but any will do if necessary
- DISK: must have BTRFS at least for /var/lib/lxc, SSD is preferable, 100GB should be sufficient for the foreseeable future
- admin: novoselt
- contact: novoselt
available urls: http://aleph.sagemath.org, https://sagecell.sagemath.org
sagenb.org
- purpose: public notebook,
state: end of life, replaced by CoCalc
- volunteers to provide worksheets back to the users: dimpase, tmonteil, vdelecroix
wiki.sagemath.org
- purpose: the wiki you are reading!
hosted at: LIPN (CS lab), University Paris North (Villetaneuse)
contact: sagemath-admins@googlegroups.com
- admin: tmonteil
- local sage dev: tmonteil
- technology used: unprivileged LXC, debian, nginx, certbot, uwsgi, moinmoin, jsmath, docutils
- formerly hosted at: cloud.google.com
- possible issue in migration: the database of user accounts is synced from trac when this latter is modified (incron)
zulip.sagemath.org
- purpose: chat system
- hosted at: cloud.google.com
- resources needed: a dedicated VM with 2-4GB of RAM
- admin: roed, jrueth (saraedum) - as of 2020-05.
DockerHub organization
purpose: distribute SageMath Docker images
hosted at: https://hub.docker.com/u/sagemath/
- admin: embray, jrueth
- other: slelievre also has push access