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[k8s]: switching to Flannel from Calico. (#4768)

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Switching to Flannel from Calico which brings down the image size by around 500+MB.
This commit is contained in:
Renuka Manavalan 2020-06-12 18:06:08 -07:00 committed by Abhishek Dosi
parent c5807c2dd2
commit f8a9a1b805
3 changed files with 5 additions and 6 deletions
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2
Makefile.work
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@ -169,7 +169,7 @@ SONIC_BUILD_INSTRUCTION := make \
INSTALL_KUBERNETES=$(INSTALL_KUBERNETES) \
KUBERNETES_VERSION=$(KUBERNETES_VERSION) \
K8s_GCR_IO_PAUSE_VERSION=$(K8s_GCR_IO_PAUSE_VERSION) \
K8s_CNI_CALICO_VERSION=$(K8s_CNI_CALICO_VERSION) \
K8s_CNI_FLANNEL_VERSION=$(K8s_CNI_FLANNEL_VERSION) \
SONIC_ENABLE_PFCWD_ON_START=$(ENABLE_PFCWD_ON_START) \
SONIC_ENABLE_SYNCD_RPC=$(ENABLE_SYNCD_RPC) \
SONIC_INSTALL_DEBUG_TOOLS=$(INSTALL_DEBUG_TOOLS) \

5
files/build_templates/sonic_debian_extension.j2
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@ -411,11 +411,10 @@ sudo LANG=C chroot $FILESYSTEM_ROOT docker $SONIC_NATIVE_DOCKERD_FOR_DOCKERFS ta
{% if install_kubernetes == "y" %}
## Pull in kubernetes docker images
echo "pulling universal k8s images ..."
FLANNEL_ARCH=$([ "${CONFIGURED_ARCH}" == "armhf" ] && echo "arm64" || echo "${CONFIGURED_ARCH}")
sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull k8s.gcr.io/pause:${K8s_GCR_IO_PAUSE_VERSION}
sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull k8s.gcr.io/kube-proxy:v${KUBERNETES_VERSION}
sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull calico/node:v${K8s_CNI_CALICO_VERSION}
sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull calico/pod2daemon-flexvol:v${K8s_CNI_CALICO_VERSION}
sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull calico/cni:v${K8s_CNI_CALICO_VERSION}
sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT docker pull quay.io/coreos/flannel:${K8s_CNI_FLANNEL_VERSION}-${FLANNEL_ARCH}
echo "docker images pull complete"
{% endif %}

4
rules/config
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@ -117,11 +117,11 @@ INSTALL_KUBERNETES = n
# KUBERNETES_VERSION - Set to the required version.
# K8s_GCR_IO_PAUSE_VERSION - Version of k8s universal pause container image
# K8s_CNI_CALICO_VERSION - Calico used as CNI; Appropriate version for this Kubernetes version
# K8s_CNI_FLANNEL_VERSION - Flannel used as CNI; Appropriate version for this Kubernetes version
# These are Used *only* when INSTALL_KUBERNETES=y
# NOTE: As a worker node it has to run version compatible to kubernetes master.
#
KUBERNETES_VERSION = 1.18.0
K8s_GCR_IO_PAUSE_VERSION = 3.2
K8s_CNI_CALICO_VERSION = 3.12.1
K8s_CNI_FLANNEL_VERSION = v0.12.0