Redirect /space/collaborators and /login/* and /user(s)/* to Auth

[alexeykazakov]

• Redirect POST/DELETE /space/:spaceID/collaborators to Auth. Tested in chrome and 307 redirects work fine with POST/DELETE.
• Redirect POST /login/refresh to Auth (instead of delegation)
• Redirect POST /user to Auth
• Redirect GET/PATCH /users, /users/:id to Auth
• Redirect GET /search/users to Auth
• Drop space resources table
• Drop oauth states table
• Removed unused code & not relevant tests
• /login/generate now generate local tokens/users instead of calling KC

It's part of the cleanup phase of fabric8-services/fabric8-auth#79

[fabric8cd]

@alexeykazakov snapshot fabric8-wit image is available for testing. docker pull docker.io/fabric8/fabric8-wit:SNAPSHOT-PR-1667-1

[codecov-io]

Codecov Report

Merging #1667 into master will increase coverage by 3.05%.
The diff coverage is 29.35%.

@@            Coverage Diff             @@
##           master    #1667      +/-   ##
==========================================
+ Coverage   53.92%   56.97%   +3.05%     
==========================================
  Files         128      124       -4     
  Lines       16386    14360    -2026     
==========================================
- Hits         8836     8182     -654     
+ Misses       6866     5554    -1312     
+ Partials      684      624      -60

Impacted Files	Coverage Δ
design/auth.go	0% <ø> (ø)	⬆️
auth/authz.go	0% <ø> (ø)	⬆️
main.go	0% <0%> (ø)	⬆️
login/service.go	10.43% <0%> (+1.91%)	⬆️
auth/resource.go	0% <0%> (ø)	⬆️
controller/search.go	62.74% <0%> (-7.93%)	⬇️
token/token.go	42.75% <0%> (-4.08%)	⬇️
controller/user.go	0% <0%> (ø)	⬆️
migration/migration.go	75.89% <100%> (+0.09%)	⬆️
configuration/configuration.go	72.51% <100%> (-0.42%)	⬇️
... and 18 more

---

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[sbose78]

We'll merge this only after the UI PR is merged, right?

[alexeykazakov]

We'll merge this only after the UI PR is merged, right?

No, we don't have to wait for the UI. All redirects (even for POST/Patch/Delete) work fine. I didn't notice any issues with that while testing local UI. But we have to merge fabric8-services/fabric8-auth#119 first (to avoid cycle calls).

[fabric8cd]

@alexeykazakov snapshot fabric8-wit image is available for testing. docker pull docker.io/fabric8/fabric8-wit:SNAPSHOT-PR-1667-3

[alexeykazakov]

Steps to verify:

• make dev - It will starts all dependencies including auth. Removing the existing db containers before using make dev may be required if they were used independently before pulling this PR.
• start local UI. Everything should just work. Login, Planner, Collaborator management, etc.

[sbose78]

Looks good!