Metallb-kind

Simple scripts to deploy MetalLB on Kind K8S cluster

Description

A few simple script to try out MetalLB using minimum effort

Output from running the examples

$ ./run-all.sh 

Creating K8S cluster ...
NAME                      STATUS   ROLES                  AGE   VERSION   INTERNAL-IP   EXTERNAL-IP   OS-IMAGE       KERNEL-VERSION      CONTAINER-RUNTIME
cluster01-control-plane   Ready    control-plane,master   9h    v1.21.1   172.18.0.3    <none>        Ubuntu 21.04   5.15.0-56-generic   containerd://1.5.2
cluster01-worker          Ready    <none>                 9h    v1.21.1   172.18.0.5    <none>        Ubuntu 21.04   5.15.0-56-generic   containerd://1.5.2
cluster01-worker2         Ready    <none>                 9h    v1.21.1   172.18.0.4    <none>        Ubuntu 21.04   5.15.0-56-generic   containerd://1.5.2

Installing MetalLB into namespace metallb-system ...
namespace/metallb-system unchanged
customresourcedefinition.apiextensions.k8s.io/addresspools.metallb.io configured
customresourcedefinition.apiextensions.k8s.io/bfdprofiles.metallb.io configured
customresourcedefinition.apiextensions.k8s.io/bgpadvertisements.metallb.io configured
customresourcedefinition.apiextensions.k8s.io/bgppeers.metallb.io configured
customresourcedefinition.apiextensions.k8s.io/communities.metallb.io configured
customresourcedefinition.apiextensions.k8s.io/ipaddresspools.metallb.io configured
customresourcedefinition.apiextensions.k8s.io/l2advertisements.metallb.io configured
serviceaccount/controller unchanged
serviceaccount/speaker unchanged
role.rbac.authorization.k8s.io/controller unchanged
role.rbac.authorization.k8s.io/pod-lister unchanged
clusterrole.rbac.authorization.k8s.io/metallb-system:controller unchanged
clusterrole.rbac.authorization.k8s.io/metallb-system:speaker unchanged
rolebinding.rbac.authorization.k8s.io/controller unchanged
rolebinding.rbac.authorization.k8s.io/pod-lister unchanged
clusterrolebinding.rbac.authorization.k8s.io/metallb-system:controller unchanged
clusterrolebinding.rbac.authorization.k8s.io/metallb-system:speaker unchanged
secret/webhook-server-cert unchanged
service/webhook-service unchanged
deployment.apps/controller unchanged
daemonset.apps/speaker unchanged
validatingwebhookconfiguration.admissionregistration.k8s.io/metallb-webhook-configuration configured

Waiting to complete deploy ...
pod/controller-54b4fd6944-gkddw condition met
pod/speaker-czgvn condition met
pod/speaker-p8tpf condition met
pod/speaker-z5j9f condition met

Check Docker networking ...
[{172.18.0.0/16  172.18.0.1 map[]} {fc00:f853:ccd:e793::/64  fc00:f853:ccd:e793::1 map[]}]

Creating IPAddressPool and L2Advertisement ...
ipaddresspool.metallb.io/first-pool unchanged
l2advertisement.metallb.io/pool unchanged

Get all pools:
NAMESPACE        NAME         AUTO ASSIGN   AVOID BUGGY IPS   ADDRESSES
metallb-system   first-pool   true          false             ["172.18.0.100-172.18.0.200"]

Get l2advertisements
NAME         IPADDRESSPOOLS   IPADDRESSPOOL SELECTORS   INTERFACES
empty                                                   
first-pool                                              
pool         ["first-pool"]                             

Creating http-echo Pods and Service via MetalLB loadbalancer ...
pod/red-app unchanged
pod/green-app unchanged
pod/blue-app unchanged
service/color-service unchanged

MetalLB ip from the pool is 172.18.0.101
Hitting the LB ten times to see if we are hitting different pods
red
blue
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red
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green
blue
red
green