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Tutorial improvements. #25
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"# variables t1, t2 and t3 are examples of tasks created by instantiating operators" Also we should keep the file |
Thanks. :) The term constructor threw me for a loop, any ideas for being more explicit about that? |
Tasks are generated when instantiating objects from operators. The first | ||
argument ``task_id`` acts as a unique identifier for the task. | ||
Tasks are generated when instantiating objects from operators. An object | ||
instatiated from an operator is called a constructor. The first argument |
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"constructor" is the name of the special method that define how the object is created. It's an OOP term, not specific to Airflow or anything.
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Got it, apologies, I'm coming from a FP background (R). :)
Apart from the confusion around constructor everything looks much better than it did before, thanks for taking the time. nit: this whole PR probably should be a single commit (or 2 since there's comment history), note that you can |
Glad you think so! I'd really like to use AirFlow in production --- it fulfills an immediate need, so I'd like to contribute where I can. 10-4 on the verbose commits. I'll be sure to squash them before I submit next time. |
…A-3676 to develop * commit '07783b64cef17cb4309c26c4230ee32f12cb6b4b': DATA-3676: bump version to 1.8.2-up1.15.0 [AIRFLOW-1559] Add sqlalchemy engine disposal
…ache#25) Due to refactoring of models.py in open source, made this changes instead of cherry picking the commit.
* 99ee040: CP from 1.10+twtr * 2e01c24: CP from 1.10.4 ([TWTR][AIRFLOW-4939] Fixup use of fallback kwarg in conf.getint) * 00cb4ae: [TWTR][AIRFLOW-XXXX] Cherry-pick d4a83bc and bump version (apache#21) * CP 51b1aee: Relax version requiremets (apache#24) * CP 67a4d1c: [CX-16266] Change with reference to 1a4c164 commit in open source (apache#25) * CP 54bd095: [TWTR][CX-17516] Queue tasks already being handled by the executor (apache#26) * CP 87fcc1c: [TWTR][CX-17516] Requeue tasks in the queued state (apache#27) * CP 98a1ca9: [AIRFLOW-6625] Explicitly log using utf-8 encoding (apache#7247) (apache#31) * fixing models.py and jobs.py file fix after CP * fixing typo and version bump Co-authored-by: Vishesh Jain <[email protected]>
* Bump apache-airflow to 1.10.3 * Add airflow to requirements
Signed-off-by: Julien Le Dem <[email protected]>
* EWT-569 : Initial Commit for migrations * [EWT-569] Airflow Upgrade to 1.10.14, Cherry-Pick 76fe7ac from 1.10.4 * CP Contains fb64f2e: [TWTR][AIRFLOW-XXX] Twitter Airflow Customizations + Fixup job scheduling without explicit_defaults_for_timestamp * [EWT-569] Airflow Upgrade to 1.10.14, Cherry-Pick 91d2b00 [CP][EWT-548][AIRFLOW-6527] Make send_task_to_executor timeout configurable (apache#63) * [EWT-569] Airflow Upgrade to 1.10.14, Cherry-Pick 91d2b00 CP contains [EWT-16]: Airflow fix for manual trigger during version upgrade (apache#13) * [EWT-16]: Airflow fix for manual trigger during version upgrade * [EWT-569] Airflow Upgrade to 1.10.14, Cherry-Pick 91d2b00 [CP][EWT-548][AIRFLOW-6527] Make send_task_to_executor timeout configurable (apache#63) CP of f757a54 * CP(55bb579) [AIRFLOW-5597] Linkify urls in task instance log (apache#16) * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : 94cdcf6 [CP] Contains [AIRFLOW-5597] Linkify urls in task instance log CP of f757a54 * [EWT-569] Airflow Upgrade to 1.10.14, Cherry-Pick 4ce8d4c from 1.10.4 CP contains [TWTTR] Fix for rendering code on UI (apache#34) * [EWT-569] Airflow Upgrade to 1.10.14, Cherry-Pick 299b4d8 from 1.10.4 CP contains [TWTR] CP from 1.10+twtr (apache#35) * 99ee040: CP from 1.10+twtr * 2e01c24: CP from 1.10.4 ([TWTR][AIRFLOW-4939] Fixup use of fallback kwarg in conf.getint) * 00cb4ae: [TWTR][AIRFLOW-XXXX] Cherry-pick d4a83bc and bump version (apache#21) * CP 51b1aee: Relax version requiremets (apache#24) * CP 67a4d1c: [CX-16266] Change with reference to 1a4c164 commit in open source (apache#25) * CP 54bd095: [TWTR][CX-17516] Queue tasks already being handled by the executor (apache#26) * CP 87fcc1c: [TWTR][CX-17516] Requeue tasks in the queued state (apache#27) * CP 98a1ca9: [AIRFLOW-6625] Explicitly log using utf-8 encoding (apache#7247) (apache#31) * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : f7050fb CP Contains Experiment API path fix (apache#37) * [EWT-569] Airflow Upgrade to 1.10.14, Cherry-Pick 8a689af from 1.10.4 CP Contains Export scheduler env variable into worker pods. (apache#38) * [EWT-569] Airflow Upgrade to 1.10.14, Cherry-Pick 5875a15 from 1.10.4 Cp Contains [EWT-115][EWT-118] Initialise dag var to None and fix for DagModel.fileloc (missed in EWT-16) (apache#39) * [EWT-569] Airflow Upgrade to 1.10.14, Cherry-Pick a68e2b3 from 1.10.4 [CX-16591] Fix regex to work with impersonated clusters like airflow_scheduler_ddavydov (apache#42) * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : e9642c2 [CP][EWT-128] Fetch task logs from worker pods (19ac45a) (apache#43) * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : d5d0a07 [CP][AIRFLOW-6561][EWT-290]: Adding priority class and default resource for worker pod. (apache#47) * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : 9b58c88 [CP][EWT-302]Patch Pool.DEFAULT_POOL_NAME in BaseOperator (apache#8587) (apache#49) Open source commit id: b37ce29 * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : 7b52a71 [CP][AIRFLOW-3121] Define closed property on StreamLogWriter (apache#3955) (apache#52) CP of 2d5b8a5 * [EWT-361] Fix broken regex pattern for extracting dataflow job id (apache#51) Update the dataflow URL regex as per AIRFLOW-9323 * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : 4b5b977 EWT-370: Use python3 to launch the dataflow job. (apache#53) * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : 596e24f * [EWT-450] fixing sla miss triggering duplicate alerts every minute (apache#56) * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : b3d7fb4 [CP] Handle IntegrityErrors for trigger dagruns & add Stacktrace when DagFileProcessorManager gets killed (apache#57) CP of faaf179 - from master CP of 2102122 - from 1.10.12 * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : bac4acd [TWTR][EWT-472] Add lifecycle support while launching worker pods (apache#59) * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : 6162402 [TWTTR] Don't enqueue tasks again if already queued for K8sExecutor(apache#60) Basically reverting commit 87fcc1c and making changes specifically into the Celery Executor class only. * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : 1991419 [CP][TWTR][EWT-377] Fix DagBag bug when a Dag has invalid schedule_interval (apache#61) CP of 5605d10 & apache#11462 * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : 48be0f9 [TWTR][EWT-350] Reverting the last commit partially (apache#62) * [EWT-569] Airflow Upgrade to 1.10.14 [CP] from 1.10.4+twtr : d8c473e [CP][EWT-548][AIRFLOW-6527] Make send_task_to_executor timeout configurable (apache#63) CP of f757a54
Various suggested improvements to the tutorial for clarity.