First cut on 2.0 stats API. Main change in returned stats is that presence checks (eg. HasCPU) are embedded in each stat.
Added support to handle querying container with name.
Current syntax:
/stats?name=/&count=1,
/stats?name=docker/928c058ce260ac2a55972b18cb991fa0475fbbb7bc15bd295e62b76964d05fe6 [default count: 64]
Other handlers to include: dockerid, dockeralias. We can make subcontainers inclusion as an option too.
/storage returns {device, mountpoint, capacity, usage} for all filesystems.
In addition, it also detect and applies label for each filesystem - currently two - "root", "docker-images".
/storage/<label> returns info about the filesystem with specific label. eg. /storage/root returns info for root filesystem.
This adds an Exists() interface to detect when the container is dead.
Before reporting an update error we check is Exists() is true.
Some documentation was added as well.
This canges the output of the Docker endpoint to be a map so that it is
more consistent from single to multiple returns. It also refactors
internally how we handle both types of requests.
Without this PR the /docker API endpoint is broken completely so this
change in format has no effect anyways.
These changes are tested by the upcoming integration tests.
Main addition is the "subcontainers" resource which provides
ContainerInfo for all subcontainers (recursively and including
self) of the specified container.
