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Such Great Heights, Code BEAM Lite, Amsterdam 2018
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Saša Jurić
November 30, 2018
Programming
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160
Such Great Heights, Code BEAM Lite, Amsterdam 2018
Saša Jurić
November 30, 2018
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Transcript
Such great heights @sasajuric aircloak.com
None
sensitive data Aircloak analyst query non sensitive result
aircloak air cloak central common integration_test ...
dev flow pull request based mandatory code review mandatory tests
outgrowing Travis CI long build times flakiness low throughput
solution self-hosting
custom CI simpler for a small problem flexible no additional
knowledge required
aircloak air cloak central common integration_test ci ...
None
GitHub poller GitHub poll list of branches and PRs
aircloak_ci GitHub poller builds branch x pull request y
pull request x air cloak …
changed component tested components air air integration_test ci ci common
everything
report success build components await approval report mergeability
if not merge_conflict?(build_state) and tests_passed?(build_state) and pr_approved?(build_state) do: report_mergeable(build_state)
Github.comment_on_issue( build_state, "Pull request can be merged #{AircloakCI.Emoji.happy()}" ) Github.put_status_check_state(
build_state, "continuous-integration/aircloak/mergeable", "pull request can be merged", :success )
None
%{ compile: [ "mix deps.get", "mix compile" ], test: [
"mix test", "mix dialyze", "mix format --check-formatted" ] }
test_test = # ... test_dev = # ... test_prod =
# ... %{ compile: # ..., test: [test_test, test_dev, test_prod] }
# sequence of commands [ "mix deps.get", "mix compile" ]
# also a sequence {:sequence, [ "mix deps.get", "mix compile"
]}
# independent commands {:parallel, [ "mix format --check-formatted", "mix test",
"mix dialyze", ]}
{:sequence, [ "command a", {:parallel, [ "command b", {:sequence, [
"command c", "command d" ]}, "command e" ]}, "command f" ]}
command a command b command c command e command d
command f
component command 1 command 2 …
build component 1 component 2 …
builds build 1 build 2 …
not open-source (yet!)
None
uniformity simpler development simpler testing simpler deployment simpler maintenance improved
collaboration
technical feature built-in options services GenServer, Task service manager Supervisor
service registry Registry k-v ETS, Mnesia web server Phoenix, Plug, Cowboy periodical jobs :timer, Quantum, Periodic load regulation Jobs, Safetyvalve, Sbroker concurrent flows Flow, GenStage
distributed systems persistence partial deployment
They will see us waving from such great heights Come
down now, they'll say But everything looks perfect from far away Come down now, but we'll stay The Postal Service
40% off at manning.com with code ctwcodebeamamsterdam18 links: bit.ly/such-great-heights-amsterdam2018