Add summary metrics to executor

[RafalSkolasinski]

What this PR does / why we need it:
Adds #2895 on master.
Solves #2765 on master.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[review-notebook-app]

Check out this pull request on 

See visual diffs & provide feedback on Jupyter Notebooks.

---

Powered by ReviewNB

[RafalSkolasinski]

/test notebooks
/test integration

[seldondev]

Wed Feb 3 17:38:30 UTC 2021
The logs for [notebooks] [1] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2922/1.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2922 --build=1

[seldondev]

Wed Feb 3 17:38:44 UTC 2021
The logs for [integration] [2] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2922/2.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2922 --build=2

[RafalSkolasinski]

/test notebooks

[seldondev]

Wed Feb 3 17:49:57 UTC 2021
The logs for [notebooks] [3] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2922/3.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2922 --build=3

[RafalSkolasinski]

/test integration

[seldondev]

Wed Feb 3 18:12:04 UTC 2021
The logs for [integration] [4] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2922/4.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2922 --build=4

[RafalSkolasinski]

/test integration

[seldondev]

Thu Feb 4 10:11:45 UTC 2021
The logs for [integration] [5] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2922/5.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2922 --build=5

[RafalSkolasinski]

Notebooks and integrations passed in previous runs, repeating for completness.
/test integration
/test notebooks

[seldondev]

Thu Feb 4 13:23:32 UTC 2021
The logs for [notebooks] [6] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2922/6.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2922 --build=6

[seldondev]

Thu Feb 4 13:23:45 UTC 2021
The logs for [integration] [7] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2922/7.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2922 --build=7

[RafalSkolasinski]

Same as #2895 this one is ready to land. All checks are green.

[axsaucedo]

Looks good! On this one that will go to master would be good to add further docs on the metrics page

[RafalSkolasinski]

Looks good! On this one that will go to master would be good to add further docs on the metrics page

Good idea, though, shall maybe follow on separate PR so we don't loose the "all green" status?

[axsaucedo]

@RafalSkolasinski probably best to do it together to make sure it doesn't slip.

For explicitness we can keep confirmation that all integration tests passed:

[RafalSkolasinski]

Updated doc page

[axsaucedo]

/approve

[seldondev]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: axsaucedo

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [axsaucedo]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment