{"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\/ro\/blog\/administrirovanie\/opyt-ustanovki-apache-airflow-na-windows-10","title":{"rendered":"Experien\u021b\u0103 \u00een instalarea Apache Airflow pe Windows 10","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Preambul<\/b>: prin voin\u021ba sor\u021bii din lumea \u0219tiin\u021bei academice (medicin\u0103) am ajuns \u00een lumea tehnologiei informa\u021biei, unde trebuie s\u0103 \u00eemi folosesc cuno\u0219tin\u021bele despre metodologia derul\u0103rii experimentelor \u0219i strategiile de analiz\u0103 a datelor experimentale, totu\u0219i, aplic\u00e2nd un nou set de tehnologii pentru mine. \u00cen procesul de st\u0103p\u00e2nire a acestor tehnologii m\u0103 confrunt cu o serie de dificult\u0103\u021bi, pe care, din fericire, reu\u0219esc s\u0103 le dep\u0103\u0219esc. Poate c\u0103 acest post va fi util celor care, de asemenea, \u00eencep s\u0103 lucreze cu proiecte Apache. <\/p>\n

A\u0219adar, la subiect<\/b>. Inspirat\u0103 de articol <\/a><\/noindex> Iurii Emelianov despre posibilit\u0103\u021bile Apache Airflow \u00een domeniul automatiz\u0103rii procedurilor analitice, am dorit s\u0103 \u00eencep s\u0103 folosesc setul de biblioteci oferit \u00een munca mea. Cei care nu sunt familiariza\u021bi cu Apache Airflow ar putea g\u0103si interesant un mic rezumat articol <\/a><\/noindex> pe site-ul Bibliotecii Na\u021bionale N. E. Bauman. <\/p>\n

Din moment ce instruc\u021biunile obi\u0219nuite pentru lansarea Airflow, se pare c\u0103 nu se aplic\u0103 \u00een mediul Windows, \u0219i a folosi pentru aceast\u0103 sarcin\u0103 docker <\/a><\/noindex> \u00een cazul meu ar fi fost excesiv, am \u00eenceput s\u0103 caut alte solu\u021bii. Din fericire pentru mine, nu am fost prima pe acest drum, a\u0219a c\u0103 am reu\u0219it s\u0103 g\u0103sesc un video-ghid<\/a><\/noindex> pentru instalarea Apache Airflow pe Windows 10 f\u0103r\u0103 a folosi docker. Dar, a\u0219a cum se \u00eent\u00e2mpl\u0103 adesea, \u00een timpul execut\u0103rii pa\u0219ilor recomanda\u021bi, apar dificult\u0103\u021bi, \u0219i presupun c\u0103 nu doar eu. A\u0219a c\u0103 am vrut s\u0103 povestesc despre experien\u021ba mea de instalare a Apache Airflow, poate c\u0103 unor persoane le va economisi pu\u021bin timp.
\n<\/a><\/noindex>
\nS\u0103 trecem prin pa\u0219ii instruc\u021biunii (spoiler \u2014 la pasul 5 a mers perfect):<\/p>\n

1. Instalarea subsistemului Windows pentru Linux pentru instalarea ulterioar\u0103 a distribu\u021biilor Linux<\/b><\/p>\n

Aceasta este cea mai mic\u0103 dintre probleme, cum se spune: <\/p>\n

Panou de control \u2192 Programe \u2192 Programe \u0219i func\u021bii \u2192 Activare sau dezactivare componente Windows \u2192 Subsistem Windows pentru Linux<\/p>\n

2. Instalarea unei distribu\u021bii Linux la alegere<\/b><\/p>\n

Am folosit aplica\u021bia Ubuntu<\/a><\/noindex>.<\/p>\n

3. Instalarea \u0219i actualizarea 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. Instalarea Apache Airflow<\/b><\/p>\n
export SLUGIFY_USES_TEXT_UNIDECODE=yes\npip install apache-airflow<\/code><\/pre>\n
\n5. Ini\u021bializarea bazei de date<\/b><\/p>\n
\u0218i aici au \u00eenceput micile mele dificult\u0103\u021bi. Instruc\u021biunile indic\u0103 s\u0103 introduc comanda airflow initdb<\/code> \u0219i s\u0103 trec la urm\u0103torul pas. Cu toate acestea, am primit constant r\u0103spunsul airflow: command not found<\/code>. Este logic s\u0103 presupunem c\u0103 au ap\u0103rut dificult\u0103\u021bi \u00een etapa de instalare a Apache Airflow \u0219i pur \u0219i simplu nu exist\u0103 fi\u0219ierele necesare. Dup\u0103 ce m-am asigurat c\u0103 totul este unde ar trebui s\u0103 fie, am decis s\u0103 \u00eencerc s\u0103 specific calea complet\u0103 c\u0103tre fi\u0219ierul airflow (ar trebui s\u0103 arate a\u0219a: Calea\/complet\u0103\/c\u0103tre\/fi\u0219ierul\/airflow initdb<\/code>). Dar minunea nu s-a \u00eent\u00e2mplat \u0219i r\u0103spunsul a fost acela\u0219i airflow: command not found<\/code>. Am \u00eencercat s\u0103 folosesc o cale relativ\u0103 c\u0103tre fi\u0219ier (.\/.local\/bin\/airflow initdb<\/code>), ceea ce a dus la apari\u021bia unei noi erori ModuleNotFoundError: No module named json'<\/code>, pe care o putem dep\u0103\u0219i actualiz\u00e2nd biblioteca werkzeug<\/i> (\u00een cazul meu, p\u00e2n\u0103 la versiunea 0.15.4):<\/p>\n
pip install werkzeug==0.15.4<\/code><\/pre>\n
\nDespre werkzeug po\u021bi citi mai multe aici<\/a><\/noindex>. <\/p>\n
Dup\u0103 aceast\u0103 manipulare simpl\u0103, comanda .\/.local\/bin\/airflow initdb<\/code> a fost executat\u0103 cu succes. <\/p>\n
6. Pornirea serverului Airflow<\/b><\/p>\n
Aici dificult\u0103\u021bile cu accesul la airflow nu s-au terminat. Pornirea comenzii .\/.local\/bin\/airflow webserver -p 8080<\/code> a dus la o eroare No such file or directory<\/code>. Probabil, un utilizator experimentat de Ubuntu ar fi \u00eencercat imediat s\u0103 dep\u0103\u0219easc\u0103 astfel de dificult\u0103\u021bi cu accesul la fi\u0219ier, aplic\u00e2nd comanda export PATH=$PATH:~\/.local\/bin\/<\/code> (adic\u0103, ad\u0103ug\u00e2nd la calea existent\u0103 de c\u0103utare a executabilelor, definit\u0103 de variabila PATH, directorul \/.local\/bin\/), dar acest post este destinat celor care lucreaz\u0103 predominant cu Windows \u0219i, poate, nu consider\u0103 o astfel de solu\u021bie evident\u0103. <\/p>\n
Dup\u0103 manipularea descris\u0103 mai sus, comanda .\/.local\/bin\/airflow webserver -p 8080<\/code> a fost executat\u0103 cu succes.<\/p>\n
7. URL: localhost<\/noindex>:8080\/<\/b><\/p>\n
Dac\u0103 totul a decurs bine \u00een etapele anterioare, e\u0219ti preg\u0103tit s\u0103 cucere\u0219ti v\u00e2rful analitic.<\/p>\n
Sper c\u0103 experien\u021ba descris\u0103 mai sus a instal\u0103rii Apache Airflow pe Windows 10 va fi util\u0103 utilizatorilor \u00eencep\u0103tori \u0219i va accelera intrarea lor \u00een universul instrumentelor moderne de analiz\u0103. <\/p>\n
Data viitoare a\u0219 dori s\u0103 continui subiectul \u0219i s\u0103 vorbesc despre experien\u021ba utiliz\u0103rii Apache Airflow \u00een analiza comportamentului utilizatorilor aplica\u021biilor mobile.
\n
Sursa: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
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