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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0; padding-top: 10px"> <span class="diffaddedchars" style="background-color:#ddfade;"><br>---------- Forwarded message ---------<br>From: Camila Macedo <cmacedo@redhat.com><br>Date: Tue, Apr 16, 2019 at 6:38 PM<br>Subject: [MSS Operator] - Database<br>To: Wei Li <weil@redhat.com><br>Cc: mobile-customer-success <mobile-customer-success@redhat.com>, Chris Foley <chfoley@redhat.com><br><br><br>Hi @Wei<br><br>In the trello card[1] we have the following acceptance criteria: <br><br>"The MSS dependency on PostgreSQL needs to be handled. Use of the existing PostGreSQL operator is preferable"<br><br>Following the analyse made over the adoption of a community operator.<br><br></span> <span class="diffcontext">h4. Community</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> Options</span> <span class="diffaddedchars" style="background-color:#ddfade;"> Operators for PostgreSQL (it has not many options)</span> <span class="diffcontext"><br>*</span> <span class="diffaddedchars" style="background-color:#ddfade;"> CrunchyData -</span> <span class="diffcontext"> https://github.com/CrunchyData/postgres-operator<br>*</span> <span class="diffaddedchars" style="background-color:#ddfade;"> Zalando -</span> <span class="diffcontext"> https://github.com/zalando/postgres-operator<br><br>h4. What</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> option from Community shows</span> <span class="diffaddedchars" style="background-color:#ddfade;"> is</span> <span class="diffcontext"> better?</span> <span class="diffaddedchars" style="background-color:#ddfade;"> Is the CrunchyData or the Zalando one?</span> <span class="diffcontext"> <br>*</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> https://github.com/</span> <span class="diffaddedchars" style="background-color:#ddfade;"> IMHO the best option is the</span> <span class="diffcontext">CrunchyData</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;">/postgres-operator</span> <span class="diffaddedchars" style="background-color:#ddfade;">.</span> <span class="diffcontext"><br></span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"><br>PS:<br></span> <span class="diffcontext">*</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> Better</span> <span class="diffaddedchars" style="background-color:#ddfade;"> The main reasons are; a better</span> <span class="diffcontext"> doc</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"><br>* This one</span> <span class="diffaddedchars" style="background-color:#ddfade;">, has more users and contributions, it</span> <span class="diffcontext"> is</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> in</span> <span class="diffaddedchars" style="background-color:#ddfade;"> at least into</span> <span class="diffcontext"> the</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> [</span> <span class="diffcontext">operatorhub.io</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;">|https://operatorhub.io/?category=Database] and</span> <span class="diffaddedchars" style="background-color:#ddfade;"> when</span> <span class="diffcontext"> the</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> other</span> <span class="diffaddedchars" style="background-color:#ddfade;"> Zelando is</span> <span class="diffcontext"> not</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"><br><br>h4</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> What image and version we are using currently in the specs of the MSSDB CR?<br><br>*</span> <span class="diffcontext"> The</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> imaged used in this project is from Red Hat. See</span> <span class="diffaddedchars" style="background-color:#ddfade;"> CrunchyData shows</span> <span class="diffcontext"> more</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> in https:</span> <span class="diffaddedchars" style="background-color:#ddfade;"> stable</span> <span class="diffcontext">/</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;">/docs</span> <span class="diffaddedchars" style="background-color:#ddfade;">mature than Zelando one</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;">okd.io/latest/using_images/db_images/postgresql.html<br>* image: "centos/PostgreSQL-96-centos7"<br><br>PS.: The MSS project was developed and tested so far with PostgreSQL 9.6</span> <span class="diffcontext"> <br><br>h4. What are the CONS of changing</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> our</span> <span class="diffaddedchars" style="background-color:#ddfade;"> the</span> <span class="diffcontext"> MSS operator to use it currently, at least? <br></span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"><br></span> <span class="diffcontext">* Shows that we will not able to use the RedHat image and we will need to use the CrunchyData image<br>* The CrunchyData</span> <span class="diffaddedchars" style="background-color:#ddfade;"> PostgreSQL operator</span> <span class="diffcontext"> can be deprecated and/or discontinued</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;">. It has</span> <span class="diffaddedchars" style="background-color:#ddfade;"> since is</span> <span class="diffcontext"> not</span> <span class="diffaddedchars" style="background-color:#ddfade;"> maintained by us and has NOT</span> <span class="diffcontext"> a big community and/or</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> many</span> <span class="diffaddedchars" style="background-color:#ddfade;"> quantity of</span> <span class="diffcontext"> contributors and users</span> <span class="diffaddedchars" style="background-color:#ddfade;"> etc..</span> <span class="diffcontext"><br>* We may face some issues and</span> <span class="diffaddedchars" style="background-color:#ddfade;">/or</span> <span class="diffcontext"> limitations as for example, we will</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> be</span> <span class="diffcontext"> not</span> <span class="diffaddedchars" style="background-color:#ddfade;"> be</span> <span class="diffcontext"> able to do some specific setup and/or</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> fix some issue and/or handle it for</span> <span class="diffcontext"> providing the status</span> <span class="diffaddedchars" style="background-color:#ddfade;"> info</span> <span class="diffcontext"> for the RHMI as it is done currently<br>* The effort required in order to understand how it is working, how to setup it,</span> <span class="diffaddedchars" style="background-color:#ddfade;"> check if it is working well and will attend all the requirements, as</span> <span class="diffcontext"> how we can try to make the MSS operator</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> have</span> <span class="diffaddedchars" style="background-color:#ddfade;"> handle</span> <span class="diffcontext"> it</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> and or get its status for the RHMI.</span> <span class="diffcontext"><br>*</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> May this adoption can</span> <span class="diffaddedchars" style="background-color:#ddfade;"> The CrunchyData PostgreSQL has many features which may</span> <span class="diffcontext"> increase the complexity unnecessarily</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> to keep it maintained.</span> <span class="diffcontext"><br><br></span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;">h4.</span> <span class="diffaddedchars" style="background-color:#ddfade;">*</span> <span class="diffcontext"> Conclusion:</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> <br></span> <span class="diffaddedchars" style="background-color:#ddfade;">*</span> <span class="diffcontext"><br></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br>*</span> <span class="diffcontext">IMHO we should</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> keep</span> <span class="diffaddedchars" style="background-color:#ddfade;"> still be keeping</span> <span class="diffcontext"> the</span> <span class="diffaddedchars" style="background-color:#ddfade;"> current implementation where the</span> <span class="diffcontext"> database</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> as</span> <span class="diffaddedchars" style="background-color:#ddfade;"> is</span> <span class="diffcontext"> a type</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> for now and do not care over</span> <span class="diffaddedchars" style="background-color:#ddfade;"> of the operator,</span> <span class="diffcontext"> at least</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> currently</span> <span class="diffaddedchars" style="background-color:#ddfade;"> for now</span> <span class="diffcontext">. Following the</span> <span class="diffaddedchars" style="background-color:#ddfade;"> main</span> <span class="diffcontext"> reasons</span> <span class="diffaddedchars" style="background-color:#ddfade;"> for that.</span> <span class="diffcontext"><br></span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"><br></span> <span class="diffcontext">* The current</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> implementation</span> <span class="diffaddedchars" style="background-color:#ddfade;"> impl</span> <span class="diffcontext"> attends all</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> our</span> <span class="diffaddedchars" style="background-color:#ddfade;"> its</span> <span class="diffcontext"> needs and is quite simple and easy to keep maintained, changed, replaced, disabled etc..<br>* Also, the current</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> implementation</span> <span class="diffaddedchars" style="background-color:#ddfade;"> impl</span> <span class="diffcontext"> allows we easily, without any code change, make the MSS use another database and/or disabled this type, change the image and/or its versions as the parameters and values used<br>*</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> IMHO add now</span> <span class="diffaddedchars" style="background-color:#ddfade;"> We could re-analyse it in</span> <span class="diffcontext"> the</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> CrunchyData shows</span> <span class="diffaddedchars" style="background-color:#ddfade;"> future and</span> <span class="diffcontext"> spend</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> unnecessary</span> <span class="diffaddedchars" style="background-color:#ddfade;"> this</span> <span class="diffcontext"> effort</span> <span class="diffaddedchars" style="background-color:#ddfade;"> just if we check that will be better</span> <span class="diffcontext"> and</span> <span class="diffaddedchars" style="background-color:#ddfade;"> required. It is not showing a priority for now at least. Also, may more options</span> <span class="diffcontext"> could</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> make</span> <span class="diffaddedchars" style="background-color:#ddfade;"> be available in the future<br><br>@Wei Li,<br> <br>Please, let us know if you have any objection to keeping</span> <span class="diffcontext"> it</span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> more complex</span> <span class="diffaddedchars" style="background-color:#ddfade;"> as it was done and if is already required plan some task to change the operator in the next steps.</span> <span class="diffcontext"> <br></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br>[1] - [MSS Operator] : https://trello.com/c/oLKC7jRi/11-mss-operator-as-a-developer-i-want-a-mobile-security-service-operator-such-that-the-mobile-security-service-can-be-instantiated<br><br>Cheers, </span> </td>
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