Marcin Drobik
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    # Spotkania z KNEI - Agenda 28, 29 grudnia 2020, 10:00 - 12:00 ## 0. Wstęp 1. Przedstawić się, dać namiary na kontakt 2. Agenda - wyjaśnić o czym będziemy mówić ## 1. Króta prezentacja procesu w projekcie Oryx (KP Labs) 1. Branch na gitcie 1. Zmiany 1. CMake - lokalny build 1. Commit, Push 1. CI - Build, Style Check, Testy, Dokumentacja, Testy Integracyjne 1. Code Review 1. Testy 1. Merge ## 2. Podstawowy pracy z Gitem 1. Git - zdecentralizowane źródło prawdy projektowej - Żadnych serwerów na boku, żadnego wysyłania kodu mejlem - Nie commitujemy artefaktów builda - Jeśli musisz edytować pliki "tymczasowo" do lokalnej pracy to robisz to źle - żadnych partial commitów, żadnego "bede pamiętać żeby tego nie wrzucić" - np.: lokalne credentiale - Git vs GitHub vs GitLab vs BitBucket - Zasady wiadomości commit'a 3. Branch per feature - ale skąd ten "feature" - Issue tracery - Jak planować i dzielić prace - Tym bliżej tym dokładniej: sprinty, milestony, roadmapa 3. Powiązanie kodu z zaplanowaną pracą - ID ticketa w commitie / nazwie brancha 5. Aktualizowanie brancha - Live Fast, Die Young - merge vs rebase 6. Code review poprzez pull request - Podstawowe zasady code review: komentuj kod a nie autora, pamiętaj że wszyscy sie uczą, bądź dokładny ale też nie rozwiązuj (od razu) problemu za autora - Wspólne standardy: nazewnictwo, idiomy, wzorce - C++: Guideline - Python: PEP - Formatowanie: powinno być załatwione przez narzędzia ## 3. Utrzymywalny projekt 1. Snowflake Server - https://martinfowler.com/bliki/SnowflakeServer.html 3. Minimalne wymagania do pracy w projekcie - Co się da powinno być automatyzowane - Python: requirements.txt - C++: CMake `FetchContent`, conan albo podobne - Docker (spoko kiedy uzywany do deploymentów, wymuszanie środowiska pracy na nim już mniej fajne ale czasem lepsze niż nic) - Dobra praktyka - nie zakładaj powłoki systemowej, systemu plików, systemu operacyjnego 4. It Works On My Machine™ - Serwery ciągłej integracji które jako minimum próbują zbudować to co jest na Git - **Regularne** pushe do repozytorium 5. Project CLI - Make, CMake, project.json, etc... - "Interfejs" do projektu - Uruchomienie tych samych kroków co na CI - Command line-first podstawą automatyzacji - Vendor-lock w Embedded - czasem powoduje problemy 7. Onboarding - Jeśli pierwsza kompilacja i uruchomienie (mając niezbędny sprzęt) jest trudna to robisz to źle - Krok po kroku opis co potrzeba, krótko i na temat - Opis podstawowych zasad i koncpecji w projekcie, linki do materiałów - Zestaw "ćwiczeń" do wykonania w projekcie, najbardziej typowe zadania 8. Dokumentacja - Jakie rodzaje? (Techniczny data sheet, zasady działania, przyjęte procedury i standardy) - Dokumentacja na wiki vs dokumentacja razem z kodem (aka confluence vs pliki md) 9. Zespół projektowy, struktura organizacji - Różni ludzie, różne specjalizacje różne zadania - Silosy wiedzy - Rola lidera (technicznego) - Model Spotify (z którego Spotify sie wycofał, ale może...) ## 4. Testowanie oprogramowania 1. Po co inwestować czas w kod testów? 3. Testy jednostkowe - Czym jest "jednostka" - Embedded to nie wymówka żeby ich nie robić, kod to kod - Jak uruchomić kod embedded na PC? - Krótki wstęp do TDD - bez zbędnej indoktrynacji 4. Testy integracyjne - Przyjmują różne formy, ale ideą jest uruchomienie większego kawałka - Na sprzęcie: idzie w strone testów Hardware-in-the-Loop - Możliwie blisko "produkcji": Release, `-O3` itd... 5. Testy a serwery CI 6. Flaky tests - Testy które czasem zgłaszają błedy - co chcą nam powiedzieć? ## 5. Materiały - https://datasift.github.io/gitflow/IntroducingGitFlow.html - https://martinfowler.com/bliki/SnowflakeServer.html

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