slides: added slide on ci/cd

src/slides/skynet/2_topics.md

@@ -7,10 +7,10 @@ slides  = false
 Topics that will be covered by teh skynet Training
 
 * [*nix, Nix and Nixos](./3_nix.html)
-* [DNS](./4_dns.md)
+* [DNS](./4_dns.html)
-* [LDAP](./5_ldap.md)
+* [LDAP](./5_ldap.html)
 * Email
-* CI/CD
+* [CI/CD](./6_cicd.html)
 * Proxmox/VM/LXC
 * Databases (Sqlite)
 

src/slides/skynet/6_cicd.md

@@ -0,0 +1,176 @@
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+title   = "Skynet: LDAP"
+date    = 2023-10-22
+slides  = false
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+# CI/CD
+
+-------------------------------------------------------------------------
+
+CI: Continuous Integration  
+CD: Continuous Delivery/Deployment
+
+-------------------------------------------------------------------------
+
+## CI: Continuous Integration
+
+-------------------------------------------------------------------------
+
+This is regularly testing and merging into the main branch.
+
+-------------------------------------------------------------------------
+
+Anyone contributing to skynet will have seen the test/linter pipelines.
+
+-------------------------------------------------------------------------
+
+Its easier/less painful to test small changes.
+
+-------------------------------------------------------------------------
+
+## CD: Continuous Delivery/Deployment
+
+-------------------------------------------------------------------------
+
+Automatically building or deploying teh final product after CI
+
+-------------------------------------------------------------------------
+
+Builds/deploys in a reliable manner.
+
+-------------------------------------------------------------------------
+
+## Why its so danm good
+
+-------------------------------------------------------------------------
+
+So you have been using Git right?
+
+-------------------------------------------------------------------------
+
+But you have been SSHing into teh server to update the code in production
+
+-------------------------------------------------------------------------
+
+Which is grand but tedious.
+
+-------------------------------------------------------------------------
+
+You forgot to push the new update last ween to the server.
+
+-------------------------------------------------------------------------
+
+Now its Friday and ye got DnD this evening.
+
+-------------------------------------------------------------------------
+
+So ye quicky pull ghe git repo in and run the init script.
+
+-------------------------------------------------------------------------
+
+Then ye quickly leave, thinking of what your Fairy Barbarian will do next
+
+-------------------------------------------------------------------------
+
+You may have forgotten to test it properly though.....
+
+-------------------------------------------------------------------------
+
+```bash
+userDir=/home/username
+rm -rf $userdir/
+```
+
+-------------------------------------------------------------------------
+
+Congratulations!
+
+-------------------------------------------------------------------------
+
+You just wiped everything!
+
+-------------------------------------------------------------------------
+
+Did you spot the typo?
+
+-------------------------------------------------------------------------
+
+So what are the things that went wrong?
+
+-------------------------------------------------------------------------
+
+1. Forgot to deploy the previous release.
+2. Forgot to do/skipped testing.
+3. It will be Sat that you will get teh dreaded phonecall.
+
+-------------------------------------------------------------------------
+
+CI/CD in this case will test and then deploy, automagically.
+
+-------------------------------------------------------------------------
+
+If it finds an error the pipeline stops.
+
+-------------------------------------------------------------------------
+
+Some pipelines have the option to undo a bad deploy.
+
+-------------------------------------------------------------------------
+
+## CI/CD as a force multiplier.
+
+-------------------------------------------------------------------------
+
+
+It allows Devs to deploy early and often (feel like making an impact)
+
+-------------------------------------------------------------------------
+
+Gives Ops folks more reliability, same process every time.
+
+
+-------------------------------------------------------------------------
+
+Handles tediousness.
+
+-------------------------------------------------------------------------
+
+It does require more up front time investment to get set up.
+
+-------------------------------------------------------------------------
+
+Well worth it for piece of mind.
+
+-------------------------------------------------------------------------
+
+Back in 2009 there were [4+ admins][0]
+
+-------------------------------------------------------------------------
+
+They were each responsible for their own servers.
+
+-------------------------------------------------------------------------
+
+Each had their own processes.
+
+-------------------------------------------------------------------------
+
+Handed down like arcane scrolls.
+
+-------------------------------------------------------------------------
+
+Now said scrolls are codified.
+
+-------------------------------------------------------------------------
+
+Since pipeline deploys on our behalf no need to have admin access.
+
+-------------------------------------------------------------------------
+
+
+//Use this time to explore the nixos repo to explain//
+
+
+
+[0]: https://2016.skynet.ie/contacts.html