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#!/usr/bin/env bash
BASHTARD_PLAYBOOK_VARS[$BASHTARD_PLAYBOOK.entry.host]="required"
BASHTARD_PLAYBOOK_VARS[$BASHTARD_PLAYBOOK.internal-ip]="required"
playbook_add() {
local host
local role
local token
host="$(config "$BASHTARD_PLAYBOOK.entry.host")"
role="$(config "$BASHTARD_PLAYBOOK.role" "agent")"
token="$(config "$BASHTARD_PLAYBOOK.entry.token" "")"
pkg install curl
# If token is not supplied manually, attempt to fetch it from the entry
# host over ssh
if [[ -z "$token" ]]
then
# Dealing with an IPv6 address, strip away the brackets
if [[ "${host:0:1}" == "[" && "${host: -1}" == "]" ]]
then
host="${host:1:-1}"
fi
info "$BASHTARD_PLAYBOOK/add" "Attempting to fetch token from $host"
token="$(ssh "$host" -- cat /var/lib/rancher/k3s/server/token)"
fi
if [[ -z "$token" ]]
then
emerg "$BASHTARD_PLAYBOOK/add" "No entry token found, set one with bashtard var -s $BASHTARD_PLAYBOOK.entry.token <value>"
return 1
fi
info "$BASHTARD_PLAYBOOK/add" "Writing config.yaml for k3s"
mkdir -pv -- /etc/rancher/k3s
{
cat <<-EOF
node-name: "${BASHTARD_PLATFORM[fqdn]}"
node-ip: "$(config "$BASHTARD_PLAYBOOK.internal-ip" "127.0.0.1")"
server: "https://$(config "$BASHTARD_PLAYBOOK.entry.host"):$(config "$BASHTARD_PLAYBOOK.entry.port" "6443")"
token: "$token"
EOF
if [[ -n "$(config_subkeys "$BASHTARD_PLAYBOOK.flannel.interfaces")" ]]
then
printf "flannel-iface:\n"
while read -r iface
do
printf -- "- \"%s\"\n" "$(config "$BASHTARD_PLAYBOOK.flannel.interfaces.$iface")"
done < <( config_subkeys "$BASHTARD_PLAYBOOK.flannel.interfaces" )
fi
if [[ -n "$(config "$BASHTARD_PLAYBOOK.external-ip" "")" ]]
then
printf "%s: \"%s\"\n" "node-external-ip" "$(config "$BASHTARD_PLAYBOOK.external-ip" "")"
fi
if [[ "$role" == "server" ]]
then
info "$BASHTARD_PLAYBOOK/add" "Node is a server, adding master configuration"
cat <<-EOF >> /etc/rancher/k3s/config.yaml
cluster-cidr: "$(config "$BASHTARD_PLAYBOOK.cluster-cidr" "172.19.0.0/16")"
cluster-domain: "$(config "$BASHTARD_PLAYBOOK.cluster-domain" "cluster.local")"
service-cidr: "$(config "$BASHTARD_PLAYBOOK.service-cidr" "172.20.0.0/16")"
service-node-port-range: "$(config "$BASHTARD_PLAYBOOK.service-node-port-min" "30000")-$(config "$BASHTARD_PLAYBOOK.service-node-port-max" "32767")"
flannel-ipv6-masq: true
disable:
- traefik
EOF
fi
} > "$(config "fs.etcdir")/rancher/k3s/config.yaml"
info "$BASHTARD_PLAYBOOK/add" "Installing k3s"
curl -sfL https://get.k3s.io | sh -s - "$role"
}
playbook_sync() {
:;
}
playbook_del() {
local role
role="$(config "$BASHTARD_PLAYBOOK.role" "agent")"
case "$role" in
server)
/usr/local/bin/k3s-uninstall.sh
;;
agent)
/usr/local/bin/k3s-agent-uninstall.sh
;;
esac
}
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