che-4061: change the key format for workspace find method

[ashumilova]

Signed-off-by: Ann Shumilova [email protected]

What does this PR do?

The additional changes for this PR #4073

What issues does this PR fix or reference?

#4061

Changelog

Reworked workspace key to new format where namespace can contain / symbols.

Release Notes

Reworked workspace key to new format where namespace can contain / symbols.

Docs PR

Current docs doesn't contain mentions about namespace - nothing to be updated. But the planned docs for teams should contain the namespace description.

[codenvy-ci]

Build success. https://ci.codenvycorp.com/job/che-pullrequests-build/1949/

[benoitf]

booting chedir:

 docker run -it --rm -v /var/run/docker.sock:/var/run/docker.sock -v $(pwd):/data eclipse/che:nightly dir --fast up

connecting with ssh fails:

$ docker run -it --rm -v /var/run/docker.sock:/var/run/docker.sock -v $(pwd):/data eclipse/che:nightly dir --fast ssh
INFO: (che cli): nightly - using docker 1.13.0 / docker4mac
WARN: ':/chedir' not mounted - using /Users/benoitf/Documents/snowcamp/web-java-spring-petclinic as source location
ERROR: (che dir): Eclipse Che is running http://localhost:8080 but workspace (local) has not been found

using ssh with workspace name "local":

docker run -it --rm -v /var/run/docker.sock:/var/run/docker.sock -v $(pwd):/data eclipse/che:nightly ssh --fast local
INFO: (che cli): nightly - using docker 1.13.0 / docker4mac
Call on rest url /api/workspace/local returned invalid response code (404) with error:Workspace with id 'local' doesn't exist

while

docker run -it --rm -v /var/run/docker.sock:/var/run/docker.sock -v $(pwd):/data eclipse/che:nightly action --fast list-workspaces
INFO: (che cli): nightly - using docker 1.13.0 / docker4mac
NAME   ID                         STATUS   
local  workspaceyodz7cdvygde0hvg  RUNNING  

and with id it's working as well

$ docker run -it --rm -v /var/run/docker.sock:/var/run/docker.sock -v $(pwd):/data eclipse/che:nightly ssh --fast workspaceyodz7cdvygde0hvg
INFO: (che cli): nightly - using docker 1.13.0 / docker4mac
Warning: Permanently added '[192.168.65.2]:32774' (ECDSA) to the list of known hosts.
Welcome to Ubuntu 14.04 LTS (GNU/Linux 4.4.0-45-generic x86_64)

 * Documentation:  https://help.ubuntu.com/

The programs included with the Ubuntu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.

[benoitf]

I think that by removing that part now we're unable to find a workspace by its name

[codenvy-ci]

Build success. https://ci.codenvycorp.com/job/che-pullrequests-build/1951/