c89ec92275
So far, we only listened on the IPv4 IP of nodes, creating the k8s apiserver load balancer in IPv4 mode. From now on, we will also listen on the IPv6 IP, making the LB dual stack.
74 lines
1.7 KiB
Ruby
Executable File
74 lines
1.7 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# frozen_string_literal: true
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require "json"
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require "yaml"
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require_relative "../../common/lib/util"
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params = JSON.parse($stdin.read)
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begin
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is_control_plane = params.fetch("is_control_plane")
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endpoint = params.fetch("endpoint")
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join_token = params.fetch("join_token")
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discovery_token_ca_cert_hash = params.fetch("discovery_token_ca_cert_hash")
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node_name = params.fetch("node_name")
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node_ipv4 = params.fetch("node_ipv4")
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node_ipv6 = params.fetch("node_ipv6")
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if is_control_plane
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certificate_key = params.fetch("certificate_key")
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end
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rescue KeyError => e
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puts "Needed #{e.key} in parameters"
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exit 1
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end
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config = {
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"apiVersion" => "kubeadm.k8s.io/v1beta4",
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"kind" => "JoinConfiguration",
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"discovery" => {
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"bootstrapToken" => {
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"token" => join_token,
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"apiServerEndpoint" => endpoint,
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"caCertHashes" => [discovery_token_ca_cert_hash]
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}
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},
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"nodeRegistration" => {
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"name" => node_name,
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"kubeletExtraArgs" => [
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{
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"name" => "node-ip",
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"value" => "#{node_ipv4},#{node_ipv6}"
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}
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]
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}
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}
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if is_control_plane
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config["controlPlane"] = {
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"certificateKey" => certificate_key,
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"localAPIEndpoint" => {
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"advertiseAddress" => node_ipv4,
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"bindPort" => 6443
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},
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"apiServer" => {
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"extraArgs" => [
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{
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"name" => "bind-address",
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"value" => "::"
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},
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{
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"name" => "advertise-address",
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"value" => node_ipv4
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}
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]
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}
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}
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end
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config_path = "/tmp/join-config.yaml"
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safe_write_to_file(config_path, config.to_yaml)
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r("kubeadm join --config #{config_path}")
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r("sudo /home/ubi/kubernetes/bin/setup-cni")
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