flannel

prepare

1. k8s is ready
2. helm binary

   • MIRROR="files."
     VERSION=v3.13.3
     ARCH=$(uname -m)
     if [ "${ARCH}" = "x86_64" ]; then
         ARCH_IN_FILE_NAME=linux-amd64
     elif [ "${ARCH}" = "aarch64" ]; then
         ARCH_IN_FILE_NAME=linux-arm64
     else
         echo "NOT SUPPORT: ${ARCH}"
     fi
     FILE_NAME=helm-${VERSION}-${ARCH_IN_FILE_NAME}.tar.gz
     curl -sSLo ${FILE_NAME} "https://${MIRROR}get.helm.sh/${FILE_NAME}"
     tar zxf ${FILE_NAME}
     mkdir -p ${HOME}/bin
     mv -f ${ARCH_IN_FILE_NAME}/helm ${HOME}/bin
     rm -rf ./${FILE_NAME}
     rm -rf ./${ARCH_IN_FILE_NAME}
     chmod u+x ${HOME}/bin/helm
     
     

install

1. create namespace and configure

   • kubectl create namespace kube-flannel
     kubectl label --overwrite namespace kube-flannel pod-security.kubernetes.io/enforce=privileged
     

2. install with helm

   • MIRROR=
     helm install flannel flannel \
         --namespace kube-flannel \
         --repo https://flannel-io.github.io/flannel/ \
         --set podCidr="10.244.0.0/16" \
         --set flannel.image.repository=${MIRROR}docker.io/flannel/flannel \
         --set flannel.image_cni.repository=${MIRROR}docker.io/flannel/flannel-cni-plugin \
         --atomic