{"id":36784,"date":"2019-10-31T22:13:47","date_gmt":"2019-10-31T19:13:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/opyt-ustanovki-apache-airflow-na-windows-10\/"},"modified":"2019-10-31T22:13:47","modified_gmt":"2019-10-31T19:13:47","slug":"opyt-ustanovki-apache-airflow-na-windows-10","status":"publish","type":"post","link":"https:\/\/prohoster.info\/no\/blog\/administrirovanie\/opyt-ustanovki-apache-airflow-na-windows-10","title":{"rendered":"Erfaring med \u00e5 installere Apache Airflow p\u00e5 Windows 10","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Forord<\/b>: ved skjebnens innflytelse fra den akademiske verden (medisin) kom jeg inn i verden av informasjonsteknologi, hvor jeg m\u00e5 bruke min kunnskap om eksperimentell metode og strategier for analyse av eksperimentelle data, men anvende en ny teknologistack for meg. I prosessen med \u00e5 mestre disse teknologiene m\u00f8ter jeg flere utfordringer som jeg s\u00e5 langt, heldigvis, har klart \u00e5 overvinne. Kanskje dette innlegget vil v\u00e6re nyttig for de som ogs\u00e5 nettopp begynner \u00e5 jobbe med Apache-prosjekter. <\/p>\n

S\u00e5, til saken<\/b>. Inspirert av artikkelen <\/a><\/noindex> Yuri Emelyanovs tanker om mulighetene med Apache Airflow innen automatisering av analytiske prosesser, \u00f8nsket jeg \u00e5 begynne \u00e5 bruke det anbefalte biblioteket i arbeidet mitt. For de som ikke er kjent med Apache Airflow, kan det v\u00e6re interessant med en kort oversikt. article <\/a><\/noindex> p\u00e5 nettstedet til Nasjonalbiblioteket etter N.E. Baumana. <\/p>\n

Siden vanlige instruksjoner for \u00e5 kj\u00f8re Airflow, tilsynelatende, ikke brukes i Windows-milj\u00f8et, og \u00e5 bruke Docker <\/a><\/noindex> i mitt tilfelle ville v\u00e6rt overfl\u00f8dig, begynte jeg \u00e5 se etter andre l\u00f8sninger. Heldigvis for meg var jeg ikke den f\u00f8rste p\u00e5 denne veien, s\u00e5 jeg fant en fantastisk video-guide<\/a><\/noindex> for installasjon av Apache Airflow p\u00e5 Windows 10 uten bruk av Docker. Men, som det ofte skjer, oppsto det utfordringer n\u00e5r jeg fulgte de anbefalte trinnene, og jeg antar at det ikke bare er meg. Derfor \u00f8nsker jeg \u00e5 dele min erfaring med installasjonen av Apache Airflow, kanskje dette vil spare noen for litt tid.
\n<\/a><\/noindex>
\nLa oss g\u00e5 gjennom trinnene i instruksjonen (spoiler - alt gikk fint frem til femte trinn):<\/p>\n

1. Installering av Windows Subsystem for Linux for senere installasjon av Linux-distribusjoner<\/b><\/p>\n

Dette er den minste av problemene, som man sier: <\/p>\n

Kontrollpanel \u2192 Programmer \u2192 Programmer og funksjoner \u2192 Sl\u00e5 Windows-funksjoner p\u00e5 eller av \u2192 Windows Subsystem for Linux<\/p>\n

2. Installering av valgt Linux-distribusjon<\/b><\/p>\n

Jeg brukte applikasjonen Ubuntu<\/a><\/noindex>.<\/p>\n

3. Installering og oppdatering av pip <\/b><\/p>\n

sudo apt-get install software-properties-common\nsudo apt-add-repository universe\nsudo apt-get update\nsudo apt-get install python-pip<\/code><\/pre>\n
\n4. Installering av Apache Airflow<\/b><\/p>\n
export SLUGIFY_USES_TEXT_UNIDECODE=yes\npip install apache-airflow<\/code><\/pre>\n
\n5. Initialisering av databasen<\/b><\/p>\n
Og det er her mine sm\u00e5 utfordringer begynte. Instruksjonen foreskriver at du skal skrive kommandoen airflow initdb<\/code> og g\u00e5 videre til neste trinn. Men jeg fikk alltid til svar airflow: kommando ikke funnet<\/code>. Det er logisk \u00e5 anta at det oppstod problemer under installasjonen av Apache Airflow, og at de n\u00f8dvendige filene bare ikke er tilgjengelige. Etter \u00e5 ha bekreftet at alt er der de skal v\u00e6re, bestemte jeg meg for \u00e5 pr\u00f8ve \u00e5 angi den fullstendige stien til airflow-filen (det b\u00f8r se slik ut: Full\/PATH\/til\/fila\/airflow initdb<\/code>). Men det skjedde ikke noe mirakel, og svaret var det samme airflow: kommando ikke funnet<\/code>. Jeg pr\u00f8vde \u00e5 bruke den relative stien til fila (.\/.local\/bin\/airflow initdb<\/code>), noe som f\u00f8rte til en ny feil ModuleNotFoundError: No module named json'<\/code>, som kan overkommes ved \u00e5 oppdatere biblioteket werkzeug<\/i> (i mitt tilfelle til versjon 0.15.4):<\/p>\n
pip install werkzeug==0.15.4<\/code><\/pre>\n
\nDu kan lese mer om werkzeug her<\/a><\/noindex>. <\/p>\n
Etter denne enkle manipulasjonen ble kommandoen .\/.local\/bin\/airflow initdb<\/code> utf\u00f8rt med hell. <\/p>\n
6. Start av Airflow-server<\/b><\/p>\n
Men problemene med \u00e5 f\u00e5 tilgang til airflow var ikke over. \u00c5 kj\u00f8re kommandoen .\/.local\/bin\/airflow webserver -p 8080<\/code> f\u00f8rte til en feil No such file or directory<\/code>. Sannsynligvis ville en erfaren Ubuntu-bruker straks ha pr\u00f8vd \u00e5 overvinne slike problemer med \u00e5 f\u00e5 tilgang til fila ved \u00e5 bruke kommandoen export PATH=$PATH:~\/local\/bin\/<\/code> (det vil si, ved \u00e5 legge til katalogen \/.local\/bin\/ til den eksisterende stien for eksekverbare filer, som er definert av variabelen PATH), men dette innlegget er ment for de som hovedsakelig jobber med Windows og kanskje ikke anser en slik l\u00f8sning som \u00e5penbar. <\/p>\n
Etter den beskrevne manipulasjonen ble kommandoen .\/.local\/bin\/airflow webserver -p 8080<\/code> utf\u00f8rt med hell.<\/p>\n
7. URL: localhost<\/noindex>:8080\/<\/b><\/p>\n
Hvis alt gikk bra i de forrige trinnene, er du klar til \u00e5 erobre analytiske h\u00f8yder.<\/p>\n
Jeg h\u00e5per erfaringen ovenfor med \u00e5 installere Apache Airflow p\u00e5 Windows 10 vil v\u00e6re nyttig for nybegynnere og fremskynde deres introduksjon til universet av moderne analyseverkt\u00f8y. <\/p>\n
Neste gang \u00f8nsker jeg \u00e5 fortsette temaet og dele erfaringene mine med \u00e5 bruke Apache Airflow i analyser av brukeradferd i mobilapplikasjoner.
\n
Kilde: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
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