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MC_Stuff
MC_Stuff
Level 10
October 1, 2017
Solved

Global sync listener for scd?

  • October 1, 2017
  • 6 replies
  • 2877 views

Watching the great gems session [1] couple of times. It was mentioned scd can be used to sync any folder in AEM.  I have set up the scd correctly and able to sync /home correctly.  But anything outside /home does not sync.  However making explicit curl command [2] sync correctly any thing outside /home.  That means listener is missing to call distribution api of scd outside the /home directory.   Please let me know

  • Is there any explicit package needs to be installed Or if i missed any configuration to update?   (Note:- Allowed roots configuration in Queue distribution setting does not help)
  • If needs to develop own listener what are the guidelines ?
  • Any plans in product roadmap to have this feature to sync any folder using scd.

[1]  Troubleshooting Sling Content Distribution

[2]  curl -u admin:admin http://localhost:8081/libs/sling/distribution/services/agents/reverse-pubsync -d 'action=ADD' -d 'path=/content/sample1'

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    Best answer by tmaret

    You setup is probably missing a service that detects changes in the repository and triggers distribution requests (similar the example you shared [2]) upon changes.

    You would need to develop a service that issues distribution requests via the APIs at

    https://github.com/apache/sling/tree/trunk/contrib/extensions/distribution/api/src/main/java/org/apache/sling/distribution

    In particular, see the Distributor API

    https://github.com/apache/sling/blob/trunk/contrib/extensions/distribution/api/src/main/java/org/apache/sling/distribution/Distributor.java

    Syncing content is highly dependent on the content structure related to a specific use case, thus making a generic implementation is tricky.

    To my knowledge, there is no plan to have generic sync feature implemented. You could implement sync for your own use case.

    6 replies

    smacdonald2008
    smacdonald2008
    Level 10
    October 2, 2017

    We have asked the team that presented this to look at this question.

    smacdonald2008
    smacdonald2008
    Level 10
    October 2, 2017

    Also - there are detailed Sling docs on this subject here: Apache Sling :: Content Distribution (org.apache.sling.distribution)

    T
    Adobe Employee
    tmaretAdobe EmployeeAccepted solution
    Adobe Employee
    October 3, 2017

    You setup is probably missing a service that detects changes in the repository and triggers distribution requests (similar the example you shared [2]) upon changes.

    You would need to develop a service that issues distribution requests via the APIs at

    https://github.com/apache/sling/tree/trunk/contrib/extensions/distribution/api/src/main/java/org/apache/sling/distribution

    In particular, see the Distributor API

    https://github.com/apache/sling/blob/trunk/contrib/extensions/distribution/api/src/main/java/org/apache/sling/distribution/Distributor.java

    Syncing content is highly dependent on the content structure related to a specific use case, thus making a generic implementation is tricky.

    To my knowledge, there is no plan to have generic sync feature implemented. You could implement sync for your own use case.

      MC_Stuff
      MC_StuffAuthor
      Level 10
      October 3, 2017

      thanks smacdonald2008 & @tmaret​.   We developed own & having another issue which i will post another thread ccing you. Please help.

      Still I believe can be made genric. I have filled for enhancement request at acs commons  at  Content Sync Listener to trigger distribution workflow · Issue #1130 · Adobe-Consulting-Services/acs-aem-commons · GitHu… .If profession service feel importance will contribute the code there.

        A
        Anonymous
        October 8, 2018

        Hi MC Stuff,

        could you please guide me what all I will have to write custom ?

        I have user working fine in my system.

        I want my /content/dam/xyz folder to be in sync.

        I understand I need to write a listener, and how do I use distribution API in it ?

        Regards,

        Akash B.

        A
        Anonymous
        October 8, 2018

        Any sample code would be very helpful.

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