feat: cli to display ipcache by labels

[vasu-dasari]

Added new CLI to display ipcache entries by cidr and labels.

Display IP Cache information

Usage:
cilium-dbg ip get ( <cidr> |-l <identity labels> ) [flags]

Flags: -h, --help help for get
-l, --labels strings list of labels
-o, --output string json| yaml| jsonpath='{}'
-v, --verbose Print all fields of ipcache

Fixes: #34632
Signed-off-by: Vasu Dasari [email protected]

introducing a new CLI option to display ipcache information by labels or cidr

[maintainer-s-little-helper]

Commit 5a5b83b does not match "(?m)^Signed-off-by:".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[vasu-dasari]

CLI display from my testing:
Help text:

root@gke-vasudasari-cilium-1-default-pool-4a9bc11f-kzys:/home/cilium# cilium-dbg ip get -h
Display IP Cache information

Usage:
  cilium-dbg ip get ( <cidr> |-l <identity labels> ) [flags]

Flags:
  -h, --help             help for get
  -l, --labels strings   list of labels
  -o, --output string    json| yaml| jsonpath='{}'
  -v, --verbose          Print all fields of ipcache

Global Flags:
      --config string   Config file (default is $HOME/.cilium.yaml)
  -D, --debug           Enable debug messages
  -H, --host string     URI to server-side API

Query by CIDR:

root@gke-vasudasari-cilium-1-default-pool-4a9bc11f-kzys:/home/cilium# cilium-dbg ip get 10.168.0.12/32
IP               IDENTITY        SOURCE
10.168.0.12/32   reserved:host

root@gke-vasudasari-cilium-1-default-pool-4a9bc11f-kzys:/home/cilium# cilium-dbg ip get -l k8s:io.kubernetes.pod.namespace=default
===========================
Labels:
    k8s:io.kubernetes.pod.namespace=default
===========================
IP                HOST          IDENTITY   POD                           NAMESPACE
10.80.0.2/32      10.168.0.13   76103      rebel-base-55756c47d5-kzdsr   default
10.80.0.99/32     10.168.0.13   74181      x-wing-6bb767fcb8-757wc       default
10.80.3.4/32      10.168.0.12   74181      x-wing-6bb767fcb8-4jwsk       default
10.80.3.203/32    10.168.0.12   76103      rebel-base-55756c47d5-gjhm5   default
10.100.1.23/32    10.168.0.16   183733     rebel-base-55756c47d5-f4rv6   default
10.100.1.54/32    10.168.0.16   157998     x-wing-6bb767fcb8-2whv5       default
10.100.3.140/32   10.168.0.15   157998     x-wing-6bb767fcb8-947rj       default
10.100.3.206/32   10.168.0.15   183733     rebel-base-55756c47d5-sf8c5   default

[maintainer-s-little-helper]

Commits 5a5b83b, 5d73957 do not match "(?m)^Signed-off-by:".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[nathanjsweet]

@vasu-dasari Please sign-off your first commit and remove the last empty commit. Thanks 🙂 !

[nathanjsweet]

@vasu-dasari Pinging you on getting this merged. Please sign-off your first commit and remove the empty last commit from your PR. Thanks! 🙂

[doniacld]

One nit otherwise lgtm!

[derailed]

@vasu-dasari Could you take another look when you get a chance? Thank you!

[maintainer-s-little-helper]

Commits 5a5b83b, 5d73957, 3e11c1f do not match "(?m)^Signed-off-by:".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[maintainer-s-little-helper]

Commits 5a5b83b, 5d73957, 3e11c1f do not match "(?m)^Signed-off-by:".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[vasu-dasari]

Added Signed-off-by to my commit. And addressed comment from @doniacld

[maintainer-s-little-helper]

Commits 5a5b83b, 5d73957, 3e11c1f, 5776676 do not match "(?m)^Signed-off-by:".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[maintainer-s-little-helper]

Commits 5a5b83b, 5d73957, 3e11c1f, 5776676 do not match "(?m)^Signed-off-by:".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[maintainer-s-little-helper]

Commit 3aa5c9a does not match "(?m)^Signed-off-by:".

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[maintainer-s-little-helper]

Commit 9f19d48 does not match "(?m)^Signed-off-by:".

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[aanm]

/test

[doniacld]

LGTM! Thanks for the change