x/oauth2 always wants a context with a custom http client embedded
when performing various requests. Ensure that the custom http client is
passed when requesting for a token.
- enhance logging throughout the codebase
- all packages at pkg/ should never log
or perform log.Fatal() instead packages
should return errors through functions.
- simplified various user, group mapping
and removed redundant functions.
- deprecate older flags like --tls-certificate
--tls-key and --tls-ca as we do not use
them anymore, keep them for backward compatibility
for some time.
This PR adds support for oidc in mcs, to enable idp
authentication you need to pass the following environment variables and
restart mcs.
```
MCS_IDP_URL=""
MCS_IDP_CLIENT_ID=""
MCS_IDP_SECRET=""
MCS_IDP_CALLBACK=""
```
