Pretty printing for AntreaAgentInfo and AntreaControllerInfo

[antoninbas]

We define "Additional printer columns" for these CRDs, so that more
valuable information is shown to the user when displaying them with
kubectl.

abas-a01:antrea abas$ kubectl get antreacontrollerinfo
NAME                HEALTHY   LAST HEARTBEAT
antrea-controller   True      35s
abas-a01:antrea abas$ kubectl get antreacontrollerinfo -o wide
NAME                HEALTHY   LAST HEARTBEAT   VERSION               CONNECTED AGENTS   NODE                NUM NETWORK POLICIES
antrea-controller   True      38s              v1.3.0-dev-74d371de   2                  k8s-node-worker-1   1
abas-a01:antrea abas$ kubectl get antreaagentinfo
NAME                     HEALTHY   LAST HEARTBEAT
k8s-node-control-plane   True      43s
k8s-node-worker-1        True      44s
abas-a01:antrea abas$ kubectl get antreaagentinfo -o wide
NAME                     HEALTHY   LAST HEARTBEAT   VERSION               NODE                     NUM PODS   SUBNETS
k8s-node-control-plane   True      45s              v1.3.0-dev-74d371de   k8s-node-control-plane              ["10.10.0.0/24"]
k8s-node-worker-1        True      46s              v1.3.0-dev-74d371de   k8s-node-worker-1        8          ["10.10.1.0/24"]
abas-a01:antrea abas$

Signed-off-by: Antonin Bas abas@vmware.com

[codecov-commenter]

Codecov Report

Merging #2572 (9b2ac08) into main (fe4457f) will increase coverage by 4.92%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2572      +/-   ##
==========================================
+ Coverage   60.09%   65.02%   +4.92%     
==========================================
  Files         281      281              
  Lines       22243    25506    +3263     
==========================================
+ Hits        13366    16584    +3218     
+ Misses       7467     7381      -86     
- Partials     1410     1541     +131     

Flag	Coverage Δ
e2e-tests	55.85% <ø> (?)
kind-e2e-tests	47.09% <ø> (+0.18%)	⬆️
unit-tests	42.50% <ø> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/controller/egress/ipallocator/allocator.go	67.82% <0.00%> (-15.16%)	⬇️
pkg/controller/networkpolicy/endpoint_querier.go	77.64% <0.00%> (-13.79%)	⬇️
pkg/apis/controlplane/v1beta1/conversion.go	72.44% <0.00%> (-11.89%)	⬇️
pkg/legacyapis/core/v1alpha2/register.go	69.23% <0.00%> (-10.77%)	⬇️
pkg/controller/egress/controller.go	76.76% <0.00%> (-10.44%)	⬇️
pkg/apis/stats/register.go	71.42% <0.00%> (-10.39%)	⬇️
pkg/legacyapis/stats/register.go	71.42% <0.00%> (-10.39%)	⬇️
pkg/ovs/openflow/ofctrl_meter.go	33.84% <0.00%> (-10.16%)	⬇️
pkg/legacyapis/security/v1alpha1/register.go	73.33% <0.00%> (-10.00%)	⬇️
pkg/agent/config/traffic_encap_mode.go	91.30% <0.00%> (-8.70%)	⬇️
... and 265 more

[tnqn]

LGTM, nice improvement

[tnqn]

/test-all