[k8s]: switching to Flannel from Calico. (#4768)
Switching to Flannel from Calico which brings down the image size by around 500+MB.
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@ -183,7 +183,7 @@ SONIC_BUILD_INSTRUCTION := make \
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INSTALL_KUBERNETES=$(INSTALL_KUBERNETES) \
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KUBERNETES_VERSION=$(KUBERNETES_VERSION) \
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K8s_GCR_IO_PAUSE_VERSION=$(K8s_GCR_IO_PAUSE_VERSION) \
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K8s_CNI_CALICO_VERSION=$(K8s_CNI_CALICO_VERSION) \
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K8s_CNI_FLANNEL_VERSION=$(K8s_CNI_FLANNEL_VERSION) \
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SONIC_ENABLE_PFCWD_ON_START=$(ENABLE_PFCWD_ON_START) \
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SONIC_ENABLE_SYNCD_RPC=$(ENABLE_SYNCD_RPC) \
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SONIC_INSTALL_DEBUG_TOOLS=$(INSTALL_DEBUG_TOOLS) \
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@ -462,11 +462,10 @@ sudo LANG=C chroot $FILESYSTEM_ROOT docker $SONIC_NATIVE_DOCKERD_FOR_DOCKERFS ta
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{% if install_kubernetes == "y" %}
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## Pull in kubernetes docker images
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echo "pulling universal k8s images ..."
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FLANNEL_ARCH=$([ "${CONFIGURED_ARCH}" == "armhf" ] && echo "arm64" || echo "${CONFIGURED_ARCH}")
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sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull k8s.gcr.io/pause:${K8s_GCR_IO_PAUSE_VERSION}
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sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull k8s.gcr.io/kube-proxy:v${KUBERNETES_VERSION}
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sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull calico/node:v${K8s_CNI_CALICO_VERSION}
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sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull calico/pod2daemon-flexvol:v${K8s_CNI_CALICO_VERSION}
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sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull calico/cni:v${K8s_CNI_CALICO_VERSION}
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sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull quay.io/coreos/flannel:${K8s_CNI_FLANNEL_VERSION}-${FLANNEL_ARCH}
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echo "docker images pull complete"
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{% endif %}
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@ -137,13 +137,13 @@ INSTALL_KUBERNETES = n
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# KUBERNETES_VERSION - Set to the required version.
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# K8s_GCR_IO_PAUSE_VERSION - Version of k8s universal pause container image
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# K8s_CNI_CALICO_VERSION - Calico used as CNI; Appropriate version for this Kubernetes version
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# K8s_CNI_FLANNEL_VERSION - Flannel used as CNI; Appropriate version for this Kubernetes version
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# These are Used *only* when INSTALL_KUBERNETES=y
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# NOTE: As a worker node it has to run version compatible to kubernetes master.
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#
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KUBERNETES_VERSION = 1.18.0
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K8s_GCR_IO_PAUSE_VERSION = 3.2
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K8s_CNI_CALICO_VERSION = 3.12.1
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K8s_CNI_FLANNEL_VERSION = v0.12.0
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# SONIC_ENABLE_IMAGE_SIGNATURE - enable image signature
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# To not use the auto-generated self-signed certificate, the required files to sign the image as below:
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