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deployment.md

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Deploying cold

Deploying cold on a remote system requires manual setup. You will need the following software to successfully build and deploy.

  • Deno >= 2.0.6 (for compiling COLD)
  • Dataset >= 2.1.23
  • Pandoc >= 3.1
  • GNU Make
  • Git
  • Tmux highly recommended
  • eLinks or Lynx recommended (to test form the console)

Deployment steps

My current recommendation is the following.

  1. Setup the directory to hold he web application if it doesn't exist.
  2. Clone the repository, e.g. clone to /Sites/cold and change into the repository directory
  3. Run Deno tasks setup (if the collections don't exist) and build to build the binary for the cold service
  4. Copy cold.service-example to cold.service, edit it and move to /etc/systemd/system/
  5. Copy cold_api.service-example to cold_api.service, edit it and and move to /etc/systemd/system/
  6. Reload the systemd daemon, sudo systemctl daemon-reload
  7. Enable the services (only needed the first time, may return a warning about symbolic link) a. sudo systemctl enable cold.service b. sudo systemctl enable cold_api.service
  8. Start the services using systemctl in the usual way a. sudo systemctl start cold.service b. sudo systemctl start cold_api.service
  9. Test web services using eLinks. If you get a gateway error it means datasetd isn't running correctly in port 8111. Debug with curl, systemctl status, journalctl.
  10. Make sure the htdocs/rpt directory has the correct ownership and sticky bit set so that reports can be run from a cronjob and from the reports UI and not get "stuck".

You can configure Apache to reverse proxy to the cold service running on port 8111 where it should enforce access control.

For a good description of how to setup new systemd services the Debian (works with Ubuntu too) way see https://wiki.debian.org/systemd/Services.

Here's an example of the shell session based on the above list. I'm assuming the user/group you're running things under is "www-data".

ssh apps.example.edu
sudo mkdir -p /Sites/
sudo chgrp www-data /Sites/
sudo chmod 775 /Sites/
cd /Sites
git clone git@github.com:caltechlibrary/cold
cd cold
deno task setup
deno task build
cp cold.service-example cold.service
nano cold.service
sudo mv cold.service /etc/systemd/system/
cp cold_api.service-example cold_api.service
nano cold_api.service
sudo mv cold_api.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable cold.service
sudo systemctl enable cold_api.service
sudo systemctl start cold.service
sudo systemctl start cold_api.service
elinks http://localhost:8111
sudo chown -R $USER:$USER htdocs/rpt
chmod +t htdocs/rpt

NOTE: The TypeScript services need to be compile before running them with Systemd.

Apache 2 and Shibboleth

COLD is designed to be a reverse proxy target. Using Apache you need to to include the following code in the main host definition.

#<!-- cold -->
ProxyPreserveHost On
Redirect "/cold" "/cold/"
ProxyPassMatch "^/cold/(.*)" "http://localhost:8111/$1"
ProxyPassReverse "/cold/" "http://localhost:8111/"
#<!-- cold admin -->
<Location /cold/>
  AuthType shibboleth
  ShibRequestSetting requireSession 1
  require user rsdoiel@caltech.edu sdavison@caltech.edu tmorrell@caltech.edu tkeswick@caltech.edu kjohnson@caltech.edu melray@library.caltech.edu
  #require valid-user
</Location>
#<!-- end cold -->

Example data migration from spreadsheets for CaltechPEOPLE

This is a note for migrating data from our historic spreadsheet for CaltechPEOPLE. Once cold is installed and you've created the empty dataset collections (e.g. people.ds) you can use two tools to populate the collection and set the include_in_feeds property.

Steps:

  1. Set the environment variable FEEDS_BASE_DIR to point to where feeds staging is deployed.
  2. Copy people.csv and groups.csv from feeds.library.caltech.edu and save then as people_final.csv and groups_final.csv. Copy edit the files if necessary (e.g. remove duplicate rows)
  3. Copy the directory names for people on feeds.library.caltech.edu and render this as a single CSV column with the heading clpid.
  4. Clear test data from people.ds with SQLite3 cli.
  5. Run ds_importer
  6. Run set_include_in_feeds
FEEDS_BASE_DIR="/Sites/feeds"
scp "library.example.edu:$FEEDS_BASE_DIR/people.csv" people_final.csv
echo "clpid" >in_feeds.csv
ssh library.example.edu "ls -1 -d $FEEDS_BASE_DIR/htdocs/people/* | cut -d / -f 6" >>in_feeds.csv
./bin/ds_importer people.ds people_final.csv
./bin/set_include_in_feeds people.ds in_feeds.csv