{"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\/hr\/blog\/administrirovanie\/opyt-ustanovki-apache-airflow-na-windows-10","title":{"rendered":"Iskustvo instalacije Apache Airflow-a na Windows 10","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Preamvula<\/b>: sudbinom sudbine iz sveta akademske nauke (medicine) u svet informacionih tehnologija, gde moram koristiti svoje znanje o metodologiji izvo\u0111enja eksperimenata i strategijama analize eksperimentalnih podataka, me\u0111utim, primenjuju\u0107i novi za mene stek tehnologija. Tokom usvajanja ovih tehnologija suo\u010davam se sa nizom te\u0161ko\u0107a, koje za sada, sre\u0107om, uspevam da prevazi\u0111em. Mo\u017eda \u0107e ovaj post biti koristan onima koji tako\u0111e tek po\u010dinju da rade na Apache projektima. <\/p>\n

Dakle, prelazimo na su\u0161tinu<\/b>. Inspirisana \u010dlanak <\/a><\/noindex> Jurija Emeljanova o mogu\u0107nostima Apache Airflow u oblasti automatizacije analiti\u010dkih procedura, po\u017eelela sam da po\u010dnem koristiti ponu\u0111eni set biblioteka u svom radu. Onima koji se jo\u0161 uvek nisu upoznali sa Apache Airflow, mo\u017eda \u0107e biti interesantna mala pregledna \u010dlanak <\/a><\/noindex> na sajtu Nacionalne biblioteke im. N. E. Baumana. <\/p>\n

Budu\u0107i da obi\u010dna uputstva za pokretanje Airflowa, sude\u0107i po svemu, nisu primenjena u Windows okru\u017eenju, a kori\u0161\u0107enje dockera <\/a><\/noindex> u mom slu\u010daju bi bilo suvi\u0161no, zapo\u010dela sam potragu za drugim re\u0161enjima. Na sre\u0107u za mene, nisam bila prva na ovom putu, tako da sam uspela prona\u0107i divnu video-uputstvo<\/a><\/noindex> za instalaciju Apache Airflowa u Windows 10 bez kori\u0161\u0107enja dockera. No, kao \u0161to to obi\u010dno biva, prilikom izvo\u0111enja preporu\u010denih koraka, javljaju se te\u0161ko\u0107e, i verujem ne samo kod mene. Zato bih \u017eelela da podelim svoje iskustvo instalacije Apache Airflowa, mo\u017eda \u0107e nekome ovo u\u0161tedeti malo vremena.
\n<\/a><\/noindex>
\nPro\u0107i \u0107emo kroz korake uputstva (spoiler \u2014 5. korak je pro\u0161ao bez problema):<\/p>\n

1. Instalacija Windows podsystema za Linux za naknadnu instalaciju Linux distribucija<\/b><\/p>\n

Ovo je manji problem, kako se ka\u017ee: <\/p>\n

Kontrolna tabla \u2192 Programi \u2192 Programi i funkcije \u2192 Uklju\u010divanje i isklju\u010divanje Windows funkcija \u2192 Windows podsystem za Linux<\/p>\n

2. Instalacija Linux distribucije po izboru<\/b><\/p>\n

Korzila sam aplikaciju Ubuntu<\/a><\/noindex>.<\/p>\n

3. Instalacija i a\u017euriranje 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. Instalacija Apache Airflow<\/b><\/p>\n
export SLUGIFY_USES_TEXT_UNIDECODE=yes\npip install apache-airflow<\/code><\/pre>\n
\n5. Inicijalizacija baze podataka<\/b><\/p>\n
I upravo ovde su po\u010dele moje male te\u0161ko\u0107e. Uputstvo zahteva da se unese komanda airflow initdb<\/code> i pre\u0111e na slede\u0107i korak. Me\u0111utim, neuspe\u0161no sam dobijala odgovor airflow: command not found<\/code>. Logi\u010dno je pretpostaviti da su se pojavili problemi tijekom instalacije Apache Airflow i jednostavno nedostaju potrebni datoteci. Provjeriv\u0161i da je sve tamo gdje bi trebalo biti, odlu\u010dila sam poku\u0161ati navesti punu putanju do datoteke airflow (trebalo bi izgledati ovako: Puna\/putanja\/do\/datoteke\/airflow initdb<\/code>). No, \u010duda nije bilo i odgovor je bio isti. airflow: command not found<\/code>. Poku\u0161ala sam koristiti relativnu putanju do datoteke (.\/.local\/bin\/airflow initdb<\/code>), \u0161to je rezultiralo pojavom nove gre\u0161ke ModuleNotFoundError: Nema modula pod nazivom 'json'<\/code>, koju se mo\u017ee prevladati a\u017euriranjem knji\u017enice werkzeug<\/i> (u mom slu\u010daju na verziju 0.15.4):<\/p>\n
pip install werkzeug==0.15.4<\/code><\/pre>\n
\nVi\u0161e o werkzeugu mo\u017eete pro\u010ditati ovdje<\/a><\/noindex>. <\/p>\n
Nakon ove jednostavne manipulacije, naredba .\/.local\/bin\/airflow initdb<\/code> je uspje\u0161no izvr\u0161ena. <\/p>\n
6. Pokretanje Airflow poslu\u017eitelja<\/b><\/p>\n
Na tome pote\u0161ko\u0107e s pristupom airflowu jo\u0161 nisu zavr\u0161ene. Pokretanje naredbe .\/.local\/bin\/airflow webserver -p 8080<\/code> dovelo je do gre\u0161ke Nema takve datoteke ili direktorija<\/code>. Vjerojatno bi iskusni korisnik Ubuntua odmah poku\u0161ao prevladati takve pote\u0161ko\u0107e s pristupom datoteci koriste\u0107i naredbu export PATH=$PATH:~\/.local\/bin\/<\/code> (tj. dodaju\u0107i postoje\u0107em putu za pretra\u017eivanje izvr\u0161nih datoteka, definiranom varijablom PATH, katalog \/.local\/bin\/), ali ovaj \u010dlanak namijenjen je onima koji prvenstveno rade na Windowsu i mo\u017eda ne smatraju to rje\u0161enje o\u010diglednim. <\/p>\n
Nakon opisane gore manipulacije, naredba .\/.local\/bin\/airflow webserver -p 8080<\/code> je uspje\u0161no izvr\u0161ena.<\/p>\n
7. URL: localhost<\/noindex>:8080\/<\/b><\/p>\n
Ako je sve pro\u0161lo uspje\u0161no u prethodnim koracima, spremni ste osvojiti analiti\u010dke visine.<\/p>\n
Nadam se da \u0107e gornje iskustvo instalacije Apache Airflow na Windows 10 biti od pomo\u0107i po\u010detnicima i ubrzati njihovo uklju\u010divanje u svemir modernih analiti\u010dkih alata. <\/p>\n
Sljede\u0107i put bih \u017eeljela nastaviti temu i pri\u010dati o iskustvu kori\u0161tenja Apache Airflow u analizi pona\u0161anja korisnika mobilnih aplikacija.
\n
Izvor: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
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