The E2E should be fixed according the new codes now, good luck


GitHub @kezhenxu94
Apache SkyWalking, Apache Dubbo

> On Apr 6, 2020, at 20:45, Sheng Wu <[email protected]> wrote:
> 
> Zhenxu Ke
> My PR is ready locally, but e2e seems still failing. Please help with
> locating what are the issues.
> 
> Haochao Zhuang
> I noticed you have upgraded the test tool for v3 protocol. Please move on
> making the plugin tests passed in the v8-core branch.
> 
> Sheng Wu 吴晟
> Twitter, wusheng1108
> 
> 
> Sheng Wu <[email protected]> 于2020年3月31日周二 上午11:29写道:
> 
>> Hi Dev Team
>> 
>> After the experiences of removing endpoint_inventory, I found out this
>> strategy is successful.
>> Especially, we totally get rid of register, so I want to do more.
>> 
>> *SkyWalking 8.0.0*
>> First, it is already unexpected for me, we have to move to 8.0.0 so
>> quickly, but after the discussion with +高洪涛@skywalking
>> <[email protected]>, and thinking about this for several days, I think
>> we have to.
>> 
>> The key chances are following
>> 1. Remove service, service instance, and network address register. The old
>> register protocols are totally going to be removed.
>> 2. The agent doesn't need to do register anymore. Service name and Service
>> Instance name are generated by the agent itself, but the extra information,
>> such as IP, hostname, language, should report to backend separately.
>> 3. Service Traffic should be added just like the endpoint traffic but keep
>> the time bucket as we need accurate service name in the given duration
>> 4. Service Instance Traffic should be added too, with external
>> information, such as language, hostname.
>> 5. Trace context propagation context should be changed to accept string in
>> service instance name, endpoint name and network address. This could ease
>> the agent logic, but also, requires changes in all language agent and
>> plugin test tool,
>> 6. Trace report protocol requires to change too, in order to adopt the
>> string.
>> 7. e2e tests have to ignore PHP and LUA at first, and remove the 6.x
>> compatibility test(doesn't support anymore).
>> 
>> The benefits we will get are
>> 1. Don't worry about the inventory(s) that has been deleted randomly by
>> end users. (We received a lot of issue reports about this)
>> 2. The upgrade could be easier erasing the whole storage and reboot the
>> new one. (Users don't feel comfortable about upgrade)
>> 3. No hot-reboot case in the agent side
>> 4. No cache of network address register information in the agent.
>> 5. No service and service instance cache in the OAP
>> 6. No register lock in the OAP
>> 7. No file buffer mechanism in the OAP too, same as no register happens.
>> 
>> In my mind, I think this totally break upgrade is super meaningful and
>> will be good change. Even we break many things, they are easy to follow.
>> [email protected] <[email protected]> I think by following this, we
>> need to change the collaboration header to `sw8` :) As no 7.1.0 release
>> will happen.
>> 
>> Sheng Wu 吴晟
>> Twitter, wusheng1108
>> 

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