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Add node IP bootstrapping on k8s v1.29+, and change generated helpers…
… to use full node IPs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| #!/bin/bash | ||
| # Copyright (c) 2024 Tigera, Inc. All rights reserved. | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
|
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| set -o errexit | ||
| set -o nounset | ||
| set -o pipefail | ||
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| set -e | ||
|
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| : ${KUBECTL:=./bin/kubectl} | ||
| : ${KCAPZ:="${KUBECTL} --kubeconfig=./kubeconfig"} | ||
| : "${AZURE_RESOURCE_GROUP:?Environment variable empty or not defined.}" | ||
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| CAPZ_CONTROL_PLANE_IP=$(az vm list-ip-addresses -g "$AZURE_RESOURCE_GROUP" | jq -r .[0].virtualMachine.network.privateIpAddresses[0]) | ||
| echo; echo "Control Plane IP:" "$CAPZ_CONTROL_PLANE_IP" | ||
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||
| vmss_length=$(az vmss list -g "$AZURE_RESOURCE_GROUP" | jq 'length') | ||
| LINUX_NAMES="" | ||
| WINDOWS_NAMES="" | ||
| i=0 | ||
| while [[ $i -lt $vmss_length ]]; do | ||
| vm=$(az vmss list -g "$AZURE_RESOURCE_GROUP" | jq ".[$i] | .name, .virtualMachineProfile.osProfile.linuxConfiguration.provisionVMAgent, .virtualMachineProfile.osProfile.windowsConfiguration.provisionVMAgent") | ||
| name=$(echo $vm | cut -d" " -f1) | ||
| is_linux=$(echo $vm | cut -d" " -f2) | ||
| if [[ $is_linux == "true" ]]; then | ||
| LINUX_NAMES="$LINUX_NAMES $(echo "$name" | tr -d '"')" | ||
| fi | ||
| is_windows=$(echo $vm | cut -d" " -f3) | ||
| if [[ $is_windows == "true" ]]; then | ||
| WINDOWS_NAMES="$WINDOWS_NAMES $(echo "$name" | tr -d '"')" | ||
| fi | ||
| i=$((i+1)) | ||
| done | ||
|
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| CAPZ_LINUX_IPS="" | ||
| for name in $LINUX_NAMES; do | ||
| ip=$(az vmss nic list -g "$AZURE_RESOURCE_GROUP" --vmss-name "$name" | jq -r .[].ipConfigurations[].privateIPAddress) | ||
| CAPZ_LINUX_IPS="$CAPZ_LINUX_IPS $ip" | ||
| done | ||
|
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| echo; echo "Linux node IPs:" "$CAPZ_LINUX_IPS" | ||
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| CAPZ_WINDOWS_IPS="" | ||
| for name in $WINDOWS_NAMES; do | ||
| ip=$(az vmss nic list -g "$AZURE_RESOURCE_GROUP" --vmss-name "$name" | jq -r .[].ipConfigurations[].privateIPAddress) | ||
| CAPZ_WINDOWS_IPS="$CAPZ_WINDOWS_IPS $ip" | ||
| done | ||
|
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| echo; echo "Windows node IPs:" "$CAPZ_WINDOWS_IPS" | ||
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| if [ ! -f ./ssh-node.sh ]; then | ||
| echo "'./ssh-node.sh' helper not found" | ||
| exit 1 | ||
| fi | ||
|
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| CAPZ_K8S_VERSION_MAJOR=$(${KCAPZ} version -o json | jq -r ".serverVersion.major") | ||
| CAPZ_K8S_VERSION_MINOR=$(${KCAPZ} version -o json | jq -r ".serverVersion.minor") | ||
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| if [ "$CAPZ_K8S_VERSION_MAJOR" -eq 1 ] && [ "$CAPZ_K8S_VERSION_MINOR" -ge 29 ]; then | ||
| echo "In kubernetes v1.29+, kubelet no longer sets up node IPs when using external cloud-provider." | ||
| echo "See https://github.com/kubernetes/kubernetes/issues/120720 for more information." | ||
| else | ||
| echo "Kubernetes version is lower than v1.29, no need for bootstrapping node IPs, exiting" | ||
| exit 0 | ||
| fi | ||
|
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| echo; echo "Set up node IPs in kubelet config" | ||
|
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| for linux_node_ip in $CAPZ_CONTROL_PLANE_IP $CAPZ_LINUX_IPS; do | ||
| ./ssh-node.sh "$linux_node_ip" "cat /etc/default/kubelet" | ||
| ./ssh-node.sh "$linux_node_ip" "sudo sh -c 'sed -i -e \"s/\$/ --node-ip=$linux_node_ip/\" /etc/default/kubelet; systemctl restart kubelet'" | ||
| ./ssh-node.sh "$linux_node_ip" "cat /etc/default/kubelet" | ||
| done | ||
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| for windows_node_ip in $CAPZ_WINDOWS_IPS; do | ||
| ./ssh-node.sh "$windows_node_ip" "\$file = (get-content C:/k/StartKubelet.ps1); echo \$file" | ||
| ./ssh-node.sh "$windows_node_ip" "\$regex = '^\\\$kubeletCommandLine = .*'; \$line = ((get-content C:/k/StartKubelet.ps1) | select-string \$regex); (get-content C:/k/StartKubelet.ps1) -replace \$regex, (\$line.ToString() + ' + \\\" --node-ip=$windows_node_ip\\\"') | set-content c:/k/StartKubelet.ps1; restart-service kubelet" | ||
| ./ssh-node.sh "$windows_node_ip" "\$file = (get-content C:/k/StartKubelet.ps1); echo \$file" | ||
| done | ||
|
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||
| echo "Done bootstrapping node IPs" |
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