There are some strange behaviours in the calendar entry - I think you
cannot add yourself, only guests can add others :)
I've added you Eugen, maybe if someone wants to be also added - please
post here with your gmail/calendar addresses.

J.

On Wed, Mar 22, 2023 at 9:56 PM Eugen Kosteev <eu...@kosteev.com> wrote:
>
> Hi Julien.
>
> Can you, please, include me there as well: eu...@kosteev.com or
> kost...@google.com.
> Looking forward to see presentation.
>
> - Eugene
>
> On Wed, Mar 22, 2023 at 8:36 PM Julien Le Dem <jul...@astronomer.io.invalid>
> wrote:
>
> > Hello all,
> > I have to move the OpenLineage presentation to next week.
> > Sorry for the change.
> > It will be Friday next week March 31st at 5pm CET 9am PT.
> >
> > https://calendar.google.com/calendar/event?action=TEMPLATE&tmeid=MTF1bHRrdTdrM29vMGZyamdzc2JuZWFkMHEganVsaWVuQGFzdHJvbm9tZXIuaW8&tmsrc=julien%40astronomer.io
> > Julien
> >
> > On Thu, Mar 16, 2023 at 8:21 PM Julien Le Dem <jul...@astronomer.io>
> > wrote:
> >
> > > We are planning to do this session next Thursday at 5pm CET 9am PT. I
> > will
> > > send a zoom link in advance.
> > > Julien
> > >
> > > On Sat, Feb 25, 2023 at 05:59 Jarek Potiuk <ja...@potiuk.com> wrote:
> > >
> > >> Cool. I am looking forward to it :). It would be great to get some
> > >> insight from those who attempted to get the lineage working in several
> > >> versions of Open Lineage and finally arrived at the current
> > >> specs/integration.
> > >>
> > >> On Wed, Feb 22, 2023 at 7:02 PM Julien Le Dem
> > >> <jul...@astronomer.io.invalid> wrote:
> > >> >
> > >> > Thank you Jarek,
> > >> > I am happy to organize a zoom presentation about OpenLineage and
> > answer
> > >> any question. It is indeed a spec decoupling the data transformation
> > layer
> > >> from the Metadata store people are using. Just like OpenTelemetry is for
> > >> service metrics/traces.
> > >> > Best,
> > >> > Julien
> > >> >
> > >> > On Tue, Feb 21, 2023 at 11:23 PM Jarek Potiuk <ja...@potiuk.com>
> > wrote:
> > >> >>
> > >> >> And to add a little "parallel" - I think Open Lineage integration
> > >> replacing our "generic lineage" is very similar step to the new
> > >> "Multi-tenant"-ready authentication interface we are discussing in
> > >> https://lists.apache.org/thread/cc9dj680nwz494k8n51w6qqohzm4wgck
> > >> >>
> > >> >> Yes - we have a generic authentication interface, but no - it's
> > >> useless for the case where multi-tenancy and good level of resource
> > >> authorization is needed. It's just far too simplistic and limited.
> > >> >>
> > >> >> Same with current lineage generic interface - yes, we have it but
> > it's
> > >> only useful in a limited set of cases. and if we want to step-it-up we
> > need
> > >> to come up with something better (and Open Lineage happens to be one
> > that
> > >> has been developed with Airflow in mind and battle tested).
> > >> >>
> > >> >> J.
> > >> >>
> > >> >> On Wed, Feb 22, 2023 at 8:16 AM Jarek Potiuk <ja...@potiuk.com>
> > wrote:
> > >> >>>
> > >> >>> Hey Rafał (Eugene, Michal - and others who are looking),
> > >> >>>
> > >> >>> I think I know where your/Eugen/Michał concerns are coming from. And
> > >> I think it would be great if we can talk it over a bit.  I believe this
> > is
> > >> - in parts - quite a misunderstanding of what Open Lineage really is,
> > how
> > >> much of an integration it is and what are the reasons why it has been
> > >> implemented the way it was implemented in Airflow.
> > >> >>>
> > >> >>> **Idea**: (Julien -  Maybe you can organize it ?):
> > >> >>>
> > >> >>> Maybe we can have an open-to-everyone presentation/zoom call with
> > >> quite some time foreseen to ask questions where you would explain the
> > >> community about those integration points (and especially those people
> > who
> > >> are worried we are losing something by choosing the OpenLineage
> > >> integration). I would love to see such a presentation - specifically
> > >> focused on explaining how Open-Lineage is really improving the current
> > >> lineage approach and what problems it solves that the existing generic
> > >> interface doesn't.
> > >> >>>
> > >> >>> Just to set the tone and focus for such meeting if we have one:
> > >> >>>
> > >> >>> For me - when I look at Open Lineage, it is really "this is how
> > >> lineage generic interface **should** be done in Airflow". The "generic"
> > >> lineage support we have now is very, very basic, I'd even say far too
> > >> simplistic. I would even say, it's useless besides a few, very basic use
> > >> cases. Simply because there was never a good "receiver" of the
> > information
> > >> to cover those cases.
> > >> >>>
> > >> >>> When you look closely at OpenLineage, it's nothing more than a
> > better
> > >> convention of the dictionaries that we send as a metadata, better
> > meta-data
> > >> in case of SQL operators (Hooks in the future hopefully), allowing
> > handling
> > >> some cases that current lineage simply cannot.  Also what open-lineage
> > >> integration with Airflow covers better handling of the lifecycle "task"
> > and
> > >> "dag" in Airflow to be able to bind lineage data together. That's my
> > >> understanding of what we get when we integrate OL in.
> > >> >>>
> > >> >>> I think over the last 2 years Datakin/Astronomer people had worked
> > >> out the level of interface that **just works** and if we would like to
> > get
> > >> the lineage information from Airflow as useful as it is in OL, we would
> > >> have to anyway implement pretty much all of the things they already did.
> > >> >>>
> > >> >>> I would love (and I think many community members) to take part in
> > >> such a call to hear on that particular aspect of the OL integration.
> > >> >>>
> > >> >>> J.
> > >> >>>
> > >> >>> On Wed, Feb 22, 2023 at 12:40 AM Rafal Biegacz <
> > >> rafalbieg...@google.com.invalid> wrote:
> > >> >>>>
> > >> >>>> Hi,
> > >> >>>>
> > >> >>>> I second/echo the input provided by Eugene and Michal.
> > >> >>>>
> > >> >>>> In general, Airflow should provide generic interfaces to lineage
> > >> backends so it's easy to configure the one preferred by the user.
> > Whether
> > >> it's Open Lineage, proprietary solution, Dataplex Lineage, etc. it
> > should
> > >> be the user's choice.
> > >> >>>>
> > >> >>>> We should avoid close integration with any specific lineage backend
> > >> due to the reasons already mentioned, i.e. to avoid translations between
> > >> lineage backends. Also, we would closely couple one framework (Airflow)
> > >> with another one (Open Lineage) - it makes Airflow more complex and less
> > >> flexible. Loose coupling between lineage backends and Airflow seems to
> > be
> > >> more future-proven.
> > >> >>>>
> > >> >>>> Regards, Rafal.
> > >> >>>>
> > >> >>>>
> > >> >>>> On Sat, Feb 11, 2023 at 12:21 AM Julien Le Dem
> > >> <jul...@astronomer.io.invalid> wrote:
> > >> >>>>>
> > >> >>>>> Dear Airflow community,
> > >> >>>>> I have transferred the content of the working google doc I shared
> > a
> > >> few weeks ago to the Airflow confluence:
> > >> >>>>>
> > >>
> > https://cwiki.apache.org/confluence/display/AIRFLOW/AIP-53+OpenLineage+in+Airflow
> > >> >>>>> All comments have been answered, I added clarifications to the doc
> > >> accordingly and I also added your suggestions to improve the proposal.
> > >> >>>>> All that history is linked from the discussion thread link in the
> > >> confluence doc if you wish to consult it.
> > >> >>>>> Thank you all for your feedback and help in the process.
> > >> >>>>> Best
> > >> >>>>> Julien
> > >> >>>>>
> > >> >>>>>
> > >> >>>>> On Fri, Feb 10, 2023 at 2:55 PM Julien Le Dem <
> > jul...@astronomer.io>
> > >> wrote:
> > >> >>>>>>
> > >> >>>>>> Thank you for the email Jarek, and Eugene for your suggestions,
> > >> >>>>>> I do agree with Jarek's assessment. I don't have very much to add
> > >> to his argument, it is very thoughtful!
> > >> >>>>>> OpenLineage was started to avoid the cartesian complexity that
> > >> Eugene mentions. There's actually that specific illustration in the
> > >> OpenLineage doc.
> > >> >>>>>> Lineage consumers want to avoid having to understand the lineage
> > >> format of each individual observed data transformation layer. And
> > >> transformation layers don't want to understand every Metadata store's
> > model
> > >> and protocol.
> > >> >>>>>> Eugene, about your specific proposal about a global vocabulary of
> > >> entities, I think it is a great suggestion.
> > >> >>>>>> We can map those entities to Datasets in OpenLineage. The way
> > >> OpenLineage models this is by allowing specific facets attached to
> > Dataset.
> > >> Facets are pieces of metadata each with their own JsonSchema.
> > >> >>>>>> For example a table from a relational database will have a schema
> > >> facet when a file in GCS might not.
> > >> >>>>>> So I think in Airflow we could have each of the entity classes
> > you
> > >> describe be used in the get_openlineage_facets*() API in the Operators.
> > >> >>>>>> Each of those classes would know what OpenLineage facets they can
> > >> expose.
> > >> >>>>>> I'll add a mention in the AIP and I think we can go in more
> > >> details in a ticket.
> > >> >>>>>> Cheers,
> > >> >>>>>> Julien
> > >> >>>>>>
> > >> >>>>>> On Fri, Feb 10, 2023 at 12:27 PM Jarek Potiuk <ja...@potiuk.com>
> > >> wrote:
> > >> >>>>>>>
> > >> >>>>>>> Just a quick personal view on it, Eugene (I bet Julian's answer
> > >> will
> > >> >>>>>>> be more thoughtful).
> > >> >>>>>>>
> > >> >>>>>>> I think you are right to the "agnostic" part. But I have one
> > >> question
> > >> >>>>>>> - what are we considering "agnostic"?
> > >> >>>>>>>
> > >> >>>>>>>  There is no "widespread" standard for lineage (yet). Open
> > Lineage
> > >> >>>>>>> with its donation to Linux Foundation Data & AI is aspiring to
> > >> become
> > >> >>>>>>> one. And it's a pretty good candidate:
> > >> >>>>>>>
> > >> >>>>>>> * designed from grounds-up to be agnostic (Open Lineage was only
> > >> >>>>>>> published as an API from day one)
> > >> >>>>>>> * as of recently, the ownership and governance of Open Lineage
> > is
> > >> with
> > >> >>>>>>> Linux Foundation Data & AI (https://lfaidata.foundation/)
> > which
> > >> is
> > >> >>>>>>> part of "Linux Foundation Project" - well known and respectful
> > >> >>>>>>> foundation that - similarly to the ASF is an umbrella and
> > provides
> > >> >>>>>>> governance rules for a big number of well established OSS
> > projects
> > >> >>>>>>>
> > >> >>>>>>> In essence it is the same approach as we already discussed and
> > >> >>>>>>> approved for Open Telemetry (which is governed by CNCF which is
> > >> in the
> > >> >>>>>>> same league as recognition and governance to LFP) (not yet
> > >> implemented
> > >> >>>>>>> though). In the case of Open-Telemetry, we decided against
> > >> developing
> > >> >>>>>>> our "own" existing standard but we opted for one that is out
> > >> there.
> > >> >>>>>>> Yes it is a bit more established and popular than Open Lineage
> > >> is, but
> > >> >>>>>>> i so wish that we chose and implemented it already (and earlier
> > >> as not
> > >> >>>>>>> having a standard there - except statsd which is really, really
> > >> poor)
> > >> >>>>>>> has a great impact on Airflow being just "pluggable" in existing
> > >> >>>>>>> solutions for monitoring. (BTW. I hope we implement it soon and
> > I
> > >> hear
> > >> >>>>>>> (and see) there are attempts to do so).
> > >> >>>>>>>
> > >> >>>>>>> In the case of Open Lineage, the questions are - is there an
> > >> >>>>>>> alternative of the same caliber? Shall we produce our own
> > >> "agnostic
> > >> >>>>>>> standard" for it instead ? Is there a chance the idea of
> > >> >>>>>>> "airflow-specific" attributes will catch up and many "consumers"
> > >> will
> > >> >>>>>>> be writing their own conversions to the way they can consume it?
> > >> >>>>>>>
> > >> >>>>>>> I would really, really try to avoid the pitfalls nicely
> > summarized
> > >> >>>>>>> here: https://xkcd.com/927/
> > >> >>>>>>>
> > >> >>>>>>> We can of course make a wrong bet and in 2 years Airflow might
> > be
> > >> the
> > >> >>>>>>> only one supporting Open Lineage. That might happen. Though the
> > >> list
> > >> >>>>>>> of "consumers" of Open Lineage is already pretty good IMHO. Or
> > >> maybe -
> > >> >>>>>>> more likely - once Airflow implements it, due to Airflow's
> > >> popularity
> > >> >>>>>>> and the fact that there is already competition supporting it
> > (e.g.
> > >> >>>>>>> Amundsen) we will increase the chance of "hockey-stick" adoption
> > >> of
> > >> >>>>>>> Open Lineage. My bet is -  the latter and for the benefit of the
> > >> whole
> > >> >>>>>>> ecosystem. I think we have a chance to influence creation of a
> > >> new,
> > >> >>>>>>> important standard. Much less so, I think if we just provide our
> > >> own
> > >> >>>>>>> custom solution - with lots and lots of work for others to be
> > >> able to
> > >> >>>>>>> consume it, no time to properly nurture the API and make it
> > >> easier to
> > >> >>>>>>> implement it (which is undoubtedly what Datakin, Astronomer and
> > >> now
> > >> >>>>>>> LFData & AI run governance main focus is)
> > >> >>>>>>>
> > >> >>>>>>> Are there other alternatives we should consider ? Do we want to
> > >> >>>>>>> develop our own standard (and implement all the integrations
> > from
> > >> the
> > >> >>>>>>> grounds up) ?
> > >> >>>>>>>
> > >> >>>>>>> J.
> > >> >>>>>>>
> > >> >>>>>>> On Fri, Feb 10, 2023 at 11:40 AM Eugen Kosteev <
> > eu...@kosteev.com>
> > >> wrote:
> > >> >>>>>>> >
> > >> >>>>>>> > Hi Julien.
> > >> >>>>>>> >
> > >> >>>>>>> > I reviewed the design doc.
> > >> >>>>>>> > The general idea looks good to me, but I have some concerns
> > >> that I would like to share.
> > >> >>>>>>> >
> > >> >>>>>>> > If I understand correctly the proposed design is to fill in
> > >> "operators" with self-methods to extract lineage metadata from it, and I
> > >> agree with the motivation. If those are decoupled (in a form of
> > extractors
> > >> in separate package) from operators itself, then the downsides is that
> > (as
> > >> you mentioned) - extractors will be distributed separately and
> > "operators"
> > >> logic is out of sync with "lineage extraction" logic by design.
> > >> >>>>>>> > Also knowledge about internals of operator spills out of the
> > >> operator which is not good at all (at the very least).
> > >> >>>>>>> >
> > >> >>>>>>> > However, if we make every operator being exposing method to
> > >> generate lineage metadata of the specific format, e.g. OpenLineage etc.,
> > >> then we will end up with cartesian complexity of supporting in each
> > >> provider+operator each backend format.
> > >> >>>>>>> >
> > >> >>>>>>> > If you say that the goal is that "operators" will always
> > >> generate OpenLineage format only and each consumer will convert this
> > format
> > >> to their own internal representation, well, if they do this then this
> > seems
> > >> like a working approach. But with the assumption that each consumer will
> > >> support it.
> > >> >>>>>>> >
> > >> >>>>>>> > I think it comes down to the question: is OpenLineage format
> > >> enough popular, complete and proper for the lineage metadata that every
> > >> consumer will be convinced to support it. We may also consider issues
> > like
> > >> mismatch of lineage feature parity, e.g. OpenLineage supports
> > field-level
> > >> lineage but consumer doesn't support (or not at the moment), so we would
> > >> prefer lineage metadata transferred to the backend to be slightly
> > different
> > >> in this case.
> > >> >>>>>>> >
> > >> >>>>>>> > What do you think about the idea:
> > >> >>>>>>> > 1. make lineage metadata generated by "operators" to be
> > >> agnostic of the specific format, just using entities from big generic
> > >> vocabulary of entities e.g. created here
> > >> https://github.com/apache/airflow/blob/main/airflow/lineage/entities.py
> > .
> > >> We would have there e.g. entities like:
> > >> >>>>>>> >
> > >> --------------------------------------------------------------------
> > >> >>>>>>> > @attr.s(auto_attribs=True, kw_only=True)
> > >> >>>>>>> > class PostgresTable:
> > >> >>>>>>> >     """Airflow lineage entity representing Postgres table."""
> > >> >>>>>>> >
> > >> >>>>>>> >     host: str = attr.ib()
> > >> >>>>>>> >     port: str = attr.ib()
> > >> >>>>>>> >     database: str = attr.ib()
> > >> >>>>>>> >     schema: str = attr.ib()
> > >> >>>>>>> >     table: str = attr.ib()
> > >> >>>>>>> >
> > >> >>>>>>> > @attr.s(auto_attribs=True, kw_only=True)
> > >> >>>>>>> > class GCSEntity:
> > >> >>>>>>> >     """Airflow lineage entity representing generic Google
> > Cloud
> > >> Storage entity."""
> > >> >>>>>>> >
> > >> >>>>>>> >     bucket: str = attr.ib()
> > >> >>>>>>> >     path: str = attr.ib()
> > >> >>>>>>> >
> > >> >>>>>>> > @attr.s(auto_attribs=True, kw_only=True)
> > >> >>>>>>> > class AWSS3Entity:
> > >> >>>>>>> >     """Airflow lineage entity representing generic AWS S3
> > >> entity."""
> > >> >>>>>>> >
> > >> >>>>>>> >     bucket: str = attr.ib()
> > >> >>>>>>> >     path: str = attr.ib()
> > >> >>>>>>> >
> > >> --------------------------------------------------------------------
> > >> >>>>>>> > 2. Implement "adapters" that will act as a bridge between
> > >> "operators" and backends. Their responsibility will be to convert
> > lineage
> > >> metadata generated by "operators" to a format understandable by specific
> > >> backend.
> > >> >>>>>>> > And then we can use the built-in mechanism of inlets/outlets
> > to
> > >> bypass Airflow lineage metadata to the Airflow lineage backend.
> > >> >>>>>>> >
> > >> >>>>>>> > I didn't get exactly implementation details of your proposed
> > >> design, but I think maintaining global vocabulary of entities to use in
> > >> inlets/outlets of operators is crucial for Airflow, as this could be
> > >> leveraged to build various features on top of it, like displaying
> > lineage
> > >> graph in Airflow UI (based on XCOM):)
> > >> >>>>>>> >
> > >> >>>>>>> > Importantly to note, if we decide to send out from Airflow
> > >> lineage metadata only in OpenLineage format, well, we could have than
> > only
> > >> one "adapter" OpenLineageAdapter. But the "adapters" approach leaves us
> > >> room for adding support to others (following "pluggable" approach as
> > >> Airflow is mainly known/good about).
> > >> >>>>>>> >
> > >> >>>>>>> > All in all:
> > >> >>>>>>> > - global vocabulary of entities used across all "operators"
> > >> (with all advantages out of it, mentioned above)
> > >> >>>>>>> > - "adapters" approach
> > >> >>>>>>> > seems to me crucial points in the design that make sense to
> > me.
> > >> >>>>>>> >
> > >> >>>>>>> > What do you think about this?
> > >> >>>>>>> >
> > >> >>>>>>> > - Eugene
> > >> >>>>>>> >
> > >> >>>>>>> >
> > >> >>>>>>> > On Wed, Feb 8, 2023 at 1:01 AM Julien Le Dem
> > >> <jul...@astronomer.io.invalid> wrote:
> > >> >>>>>>> >>
> > >> >>>>>>> >> Hello Michał,
> > >> >>>>>>> >> Thank you for your input.
> > >> >>>>>>> >> I would clarify that OpenLineage doesn't make any assumption
> > >> about the backend being used to store lineage and is an adapter-like
> > layer.
> > >> >>>>>>> >> OpenLineage exists as the spec specifically for that purpose
> > >> of avoiding the problem of every lineage consumer having to understand
> > >> every lineage producer.
> > >> >>>>>>> >> Consumers of lineage want a unified spec consuming lineage
> > >> from any data transformation layer like Airflow, Spark, Flink, SQL,
> > >> Warehouses, ...
> > >> >>>>>>> >> Just like OpenTelemetry allows consuming traces independently
> > >> of the technology used, so does OpenLineage for lineage.
> > >> >>>>>>> >> Julien
> > >> >>>>>>> >>
> > >> >>>>>>> >> On Tue, Feb 7, 2023 at 12:48 AM Michał Modras <
> > >> michalmod...@google.com> wrote:
> > >> >>>>>>> >>>
> > >> >>>>>>> >>> Hi everyone,
> > >> >>>>>>> >>>
> > >> >>>>>>> >>> As Airflow already supports lineage functionality through
> > >> pluggable lineage backends, I think OpenLineage and other lineage
> > systems
> > >> integration should follow this path. I think more 'native' integration
> > with
> > >> OpenLineage (or any other lineage system) in Airflow while maintaining
> > the
> > >> generic lineage backend architecture in parallel would make the user
> > >> experience less open, troublesome to maintain, and the Airflow
> > architecture
> > >> itself more constrained by a logic of a specific system.
> > >> >>>>>>> >>>
> > >> >>>>>>> >>> I think enriching operators with a generic method exposing
> > >> lineage metadata that could be leveraged by lineage backends regardless
> > of
> > >> their implementation is a good idea which the Cloud Composer team would
> > >> gladly contribute to. I believe the translation of the Airflow metadata
> > >> exposed by the operators should be done by lineage backends (or another
> > >> adapter-like layer). Tying Airflow operators' development to a specific
> > >> lineage system like OpenLineage forces operators' contributors to
> > >> understand that system too, which increases both the entry costs and
> > >> maintenance costs. I see it as unnecessary coupling.
> > >> >>>>>>> >>>
> > >> >>>>>>> >>> Best,
> > >> >>>>>>> >>> Michal
> > >> >>>>>>> >>>
> > >> >>>>>>> >>>
> > >> >>>>>>> >>>
> > >> >>>>>>> >>> On Tue, Jan 31, 2023 at 7:10 PM Julien Le Dem <
> > >> jul...@astronomer.io> wrote:
> > >> >>>>>>> >>>>
> > >> >>>>>>> >>>> Thank you Eugen,
> > >> >>>>>>> >>>> This sounds very aligned with the goals of OpenLineage and
> > I
> > >> think this would work well.
> > >> >>>>>>> >>>> Here are the sections in the doc that I think address your
> > >> points:
> > >> >>>>>>> >>>> - generalize lineage metadata extraction as self-method in
> > >> each operator, using generic lineage entities
> > >> >>>>>>> >>>> See: OpenLineage support in providers. It describes how
> > each
> > >> operator exposes its lineage.
> > >> >>>>>>> >>>> - implement "adapter"s to convert generated metadata to
> > Data
> > >> Lineage format, Open Lineage format, etc.
> > >> >>>>>>> >>>> The goal here is each consumer turns from OpenLineage
> > format
> > >> to their own internal representation as you are suggesting.
> > >> >>>>>>> >>>> In the motivation section, towards the end, I link to a few
> > >> examples of data catalogs doing just that.
> > >> >>>>>>> >>>>
> > >> >>>>>>> >>>> On Tue, Jan 31, 2023 at 8:36 AM Eugen Kosteev <
> > >> eu...@kosteev.com> wrote:
> > >> >>>>>>> >>>>>
> > >> >>>>>>> >>>>> ++ Michal Modras
> > >> >>>>>>> >>>>>
> > >> >>>>>>> >>>>> On Tue, Jan 31, 2023 at 3:49 PM Eugen Kosteev <
> > >> eu...@kosteev.com> wrote:
> > >> >>>>>>> >>>>>>
> > >> >>>>>>> >>>>>> Cloud Composer recently launched "Data lineage with
> > >> Dataplex" feature which effectively means to generate lineage out of
> > >> DAG/task executions and export it to Data Lineage (Data Catalog service)
> > >> for further analysis.
> > >> >>>>>>> >>>>>>
> > >> https://cloud.google.com/composer/docs/composer-2/lineage-integration
> > >> >>>>>>> >>>>>>
> > >> >>>>>>> >>>>>> This feature is as of now in the "Preview" state.
> > >> >>>>>>> >>>>>> The current implementation uses built-in "Airflow lineage
> > >> backend" feature and methods to extract lineage metadata on task post
> > >> execution events.
> > >> >>>>>>> >>>>>>
> > >> >>>>>>> >>>>>> The general idea was to contribute this to the Airflow
> > >> community in a form:
> > >> >>>>>>> >>>>>> - generalize lineage metadata extraction as self-method
> > in
> > >> each operator, using generic lineage entities
> > >> >>>>>>> >>>>>> - implement "adapter"s to convert generated metadata to
> > >> Data Lineage format, Open Lineage format, etc.
> > >> >>>>>>> >>>>>>
> > >> >>>>>>> >>>>>> Adoption of "Airflow OpenLineage" for Composer would mean
> > >> to introduce an additional layer of converting from OpenLineage format
> > to
> > >> Data Lineage (Data Catalog/Dataplex) format. But this is definitely a
> > >> possibility.
> > >> >>>>>>> >>>>>>
> > >> >>>>>>> >>>>>> On Tue, Jan 31, 2023 at 12:53 AM Julien Le Dem
> > >> <jul...@astronomer.io.invalid> wrote:
> > >> >>>>>>> >>>>>>>
> > >> >>>>>>> >>>>>>> Thank you very much for your input Jarek.
> > >> >>>>>>> >>>>>>> I am responding in the comments and adding to the doc
> > >> accordingly.
> > >> >>>>>>> >>>>>>> I would also love to hear from more stakeholders.
> > >> >>>>>>> >>>>>>> Thanks to all who provided feedback so far.
> > >> >>>>>>> >>>>>>> Julien
> > >> >>>>>>> >>>>>>>
> > >> >>>>>>> >>>>>>> On Fri, Jan 27, 2023 at 12:57 AM Jarek Potiuk <
> > >> ja...@potiuk.com> wrote:
> > >> >>>>>>> >>>>>>>>
> > >> >>>>>>> >>>>>>>> General comment from my side: I think Open Lineage is
> > >> (and should be
> > >> >>>>>>> >>>>>>>> even more) a feature of Airflow that expands Airflow's
> > >> capabilities
> > >> >>>>>>> >>>>>>>> greatly and opens up the direction we've been all
> > >> working on - Airflow
> > >> >>>>>>> >>>>>>>> as a Platform.
> > >> >>>>>>> >>>>>>>>
> > >> >>>>>>> >>>>>>>> I think closely integrating it with Open-Lineage goes
> > >> the same
> > >> >>>>>>> >>>>>>>> direction (also mentioned in the doc) as Open Telemetry
> > >> goes, where we
> > >> >>>>>>> >>>>>>>> might decide to support certain standards in order to
> > >> expand
> > >> >>>>>>> >>>>>>>> capabilities of Airflow-as-a-platform and allows to
> > >> plug-in multiple
> > >> >>>>>>> >>>>>>>> external solutions that would use the standard API.
> > >> After Open-Lineage
> > >> >>>>>>> >>>>>>>> graduated recently to  LFAI&Data foundation (I've been
> > >> watching this
> > >> >>>>>>> >>>>>>>> happening from far), it is I think the perfect
> > candidate
> > >> for Airflow
> > >> >>>>>>> >>>>>>>> to incorporate it. I hope this will help all the
> > players
> > >> to make use
> > >> >>>>>>> >>>>>>>> of the extra work necessary by the community to make it
> > >> "officially
> > >> >>>>>>> >>>>>>>> supported". I think we have to also get some feedback
> > >> from the big
> > >> >>>>>>> >>>>>>>> stakeholders in Airflow - because one thing is to have
> > >> such a
> > >> >>>>>>> >>>>>>>> capability, and another is to get it used in all the
> > >> ways Airflow is
> > >> >>>>>>> >>>>>>>> used - not only by on-premise/self-hosted users (which
> > >> is obviously a
> > >> >>>>>>> >>>>>>>> huge driving factor) but also everywhere where Airflow
> > >> is exposed by
> > >> >>>>>>> >>>>>>>> others - Astronomer is obviously on-board. we see some
> > >> warm words from
> > >> >>>>>>> >>>>>>>> Amazon (mentioned by Julian), I would love to hear
> > >> whether the
> > >> >>>>>>> >>>>>>>> Composer team at Google would be on board in using the
> > >> open-lineage
> > >> >>>>>>> >>>>>>>> information exposed this way in their Data Catalog (and
> > >> likely more)
> > >> >>>>>>> >>>>>>>> offering. We have Amundsen and others and possibly
> > other
> > >> stakeholders
> > >> >>>>>>> >>>>>>>> might want to say something.
> > >> >>>>>>> >>>>>>>>
> > >> >>>>>>> >>>>>>>>
> > >> >>>>>>> >>>>>>>> There is - undoubtedly - an extra effort involved in
> > >> implementing and
> > >> >>>>>>> >>>>>>>> keeping it running smoothly (as Julian mentioned, that
> > >> is the main
> > >> >>>>>>> >>>>>>>> reason why the Open Lineage community would like to
> > make
> > >> the
> > >> >>>>>>> >>>>>>>> integration part of Airflow. But by being smart and
> > >> integrating it in
> > >> >>>>>>> >>>>>>>> the way that will allow to plug-it-in into our CI,
> > >> verification
> > >> >>>>>>> >>>>>>>> process and making some very clear expectations about
> > >> what it means
> > >> >>>>>>> >>>>>>>> for contributors to Airflow to get it running, we can
> > >> make some
> > >> >>>>>>> >>>>>>>> initial investment in making it happen and minimise
> > >> on-going cost,
> > >> >>>>>>> >>>>>>>> while maximising the gain.
> > >> >>>>>>> >>>>>>>>
> > >> >>>>>>> >>>>>>>> And looking at all the above - I am super happy to help
> > >> with all that
> > >> >>>>>>> >>>>>>>> to make this easy to "swallow" and integrate well, even
> > >> if it will
> > >> >>>>>>> >>>>>>>> take an extra effort, especially that we will have
> > >> experts from Open
> > >> >>>>>>> >>>>>>>> Lineage who worked with both Airflow and Open Lineage
> > >> being the core
> > >> >>>>>>> >>>>>>>> part of the effort. I am actually super excited - this
> > >> might be the
> > >> >>>>>>> >>>>>>>> next-big-thing for Airflow to strengthen its position
> > as
> > >> an
> > >> >>>>>>> >>>>>>>> indispensable component of "even more modern data
> > stack".
> > >> >>>>>>> >>>>>>>>
> > >> >>>>>>> >>>>>>>> I made my initial comments in the doc, and am looking
> > >> forward to
> > >> >>>>>>> >>>>>>>> making it happen :).
> > >> >>>>>>> >>>>>>>>
> > >> >>>>>>> >>>>>>>> J.
> > >> >>>>>>> >>>>>>>>
> > >> >>>>>>> >>>>>>>> On Fri, Jan 27, 2023 at 2:20 AM Julien Le Dem
> > >> >>>>>>> >>>>>>>> <jul...@astronomer.io.invalid> wrote:
> > >> >>>>>>> >>>>>>>> >
> > >> >>>>>>> >>>>>>>> > Dear Airflow Community,
> > >> >>>>>>> >>>>>>>> > I have been working on a proposal to bring an
> > >> OpenLineage provider to Airflow.
> > >> >>>>>>> >>>>>>>> > I am looking for feedback with the goal to post an
> > >> official AIP.
> > >> >>>>>>> >>>>>>>> > Please feel free to comment in the doc above.
> > >> >>>>>>> >>>>>>>> > Thank you,
> > >> >>>>>>> >>>>>>>> > Julien (OpenLineage project lead)
> > >> >>>>>>> >>>>>>>> >
> > >> >>>>>>> >>>>>>>> > For convenience, here is the rationale from the doc:
> > >> >>>>>>> >>>>>>>> >
> > >> >>>>>>> >>>>>>>> > Operational lineage collection is a common need to
> > >> understand dependencies between data pipelines and track end-to-end
> > >> provenance of data. It enables many use cases from ensuring reliable
> > >> delivery of data through observability to compliance and cost
> > management.
> > >> >>>>>>> >>>>>>>> >
> > >> >>>>>>> >>>>>>>> > Publishing operational lineage is a core Airflow
> > >> capability to enable troubleshooting and governance.
> > >> >>>>>>> >>>>>>>> >
> > >> >>>>>>> >>>>>>>> > OpenLineage is a project part of the LFAI&Data
> > >> foundation that provides a spec standardizing operational lineage
> > >> collection and sharing across the data ecosystem. If it provides plugins
> > >> for popular open source projects, its intent is very similar to
> > >> OpenTelemetry (also under the Linux Foundation umbrella): to remain a
> > spec
> > >> for lineage exchange that projects - open source or proprietary -
> > implement.
> > >> >>>>>>> >>>>>>>> >
> > >> >>>>>>> >>>>>>>> > Built-in OpenLineage support in Airflow will make it
> > >> easier and more reliable for Airflow users to publish their operational
> > >> lineage through the OpenLineage ecosystem.
> > >> >>>>>>> >>>>>>>> >
> > >> >>>>>>> >>>>>>>> > The current external plugin maintained in the
> > >> OpenLineage project depends on Airflow and operators internals and gets
> > >> broken when changes are made on those. Having a built-in integration
> > >> ensures a better first class support to expose lineage that gets tested
> > >> alongside other changes and therefore is more stable.
> > >> >>>>>>> >>>>>>
> > >> >>>>>>> >>>>>>
> > >> >>>>>>> >>>>>>
> > >> >>>>>>> >>>>>> --
> > >> >>>>>>> >>>>>> Eugene
> > >> >>>>>>> >>>>>
> > >> >>>>>>> >>>>>
> > >> >>>>>>> >>>>>
> > >> >>>>>>> >>>>> --
> > >> >>>>>>> >>>>> Eugene
> > >> >>>>>>> >
> > >> >>>>>>> >
> > >> >>>>>>> >
> > >> >>>>>>> > --
> > >> >>>>>>> > Eugene
> > >>
> > >
> >
>
>
> --
> Eugene

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