#!/bin/bash all_services=( coredns local-path-provisioner metrics-server traefik ) export NUM_SERVERS=2 export NUM_AGENTS=0 export WAIT_SERVICES="${all_services[@]}" export SERVER_1_ARGS="--cluster-init" REPO=${REPO:-rancher} IMAGE_NAME=${IMAGE_NAME:-k3s} PREVIOUS_CHANNEL=$(grep 'k8s.io/kubernetes v' go.mod | head -n1 | awk '{print $2}' | awk -F. '{print "v1." ($2 - 1)}') PREVIOUS_VERSION=$(curl -s https://update.k3s.io/v1-release/channels/${PREVIOUS_CHANNEL} -o /dev/null -w '%{redirect_url}' | awk -F/ '{print gensub(/\+/, "-", "g", $NF)}') STABLE_VERSION=$(curl -s https://update.k3s.io/v1-release/channels/stable -o /dev/null -w '%{redirect_url}' | awk -F/ '{print gensub(/\+/, "-", "g", $NF)}') LATEST_VERSION=$(curl -s https://update.k3s.io/v1-release/channels/latest -o /dev/null -w '%{redirect_url}' | awk -F/ '{print gensub(/\+/, "-", "g", $NF)}') server-post-hook() { if [ $1 -eq 1 ]; then local url=$(cat $TEST_DIR/servers/1/metadata/url) export SERVER_ARGS="${SERVER_ARGS} --server $url" fi } export -f server-post-hook start-test() { echo "Cluster is up" } export -f start-test # --- create a basic cluster to test joining managed etcd LABEL="ETCD-JOIN-BASIC" SERVER_ARGS="" run-test # --- create a basic cluster to test joining a managed etcd cluster with --agent-token set LABEL="ETCD-JOIN-AGENTTOKEN" SERVER_ARGS="--agent-token ${RANDOM}${RANDOM}${RANDOM}" run-test # The following tests deploy clusters of mixed versions. The traefik helm chart may not deploy # correctly until all servers have been upgraded to the same release, so don't wait for it. all_services=( coredns local-path-provisioner metrics-server ) export WAIT_SERVICES="${all_services[@]}" # --- test joining managed etcd cluster with stable-version first server and current-build second server # --- this test is skipped if the second node is down-level, as we don't support adding a down-level server to an existing cluster server-post-hook() { if [ $1 -eq 1 ]; then SERVER_1_MINOR=$(awk -F. '{print $2}' <<<${K3S_IMAGE_SERVER}) SERVER_2_MINOR=$(awk -F. '{print $2}' <<<${K3S_IMAGE}) if [ $SERVER_1_MINOR -gt $SERVER_2_MINOR ]; then echo "First server minor version cannot be higher than second server" exit 0 fi local url=$(cat $TEST_DIR/servers/1/metadata/url) export SERVER_ARGS="${SERVER_ARGS} --server $url" export K3S_IMAGE_SERVER=${K3S_IMAGE} fi } export -f server-post-hook LABEL="ETCD-JOIN-STABLE-FIRST" K3S_IMAGE_SERVER=${REPO}/${IMAGE_NAME}:${STABLE_VERSION} run-test # --- test joining managed etcd cluster with latest-version first server and current-build second server # --- this test is skipped if the second node is down-level, as we don't support adding a down-level server to an existing cluster server-post-hook() { if [ $1 -eq 1 ]; then SERVER_1_MINOR=$(awk -F. '{print $2}' <<<${K3S_IMAGE_SERVER}) SERVER_2_MINOR=$(awk -F. '{print $2}' <<<${K3S_IMAGE}) if [ $SERVER_1_MINOR -gt $SERVER_2_MINOR ]; then echo "First server minor version cannot be higher than second server" exit 0 fi local url=$(cat $TEST_DIR/servers/1/metadata/url) export SERVER_ARGS="${SERVER_ARGS} --server $url" export K3S_IMAGE_SERVER=${K3S_IMAGE} fi } export -f server-post-hook LABEL="ETCD-JOIN-LATEST-FIRST" K3S_IMAGE_SERVER=${REPO}/${IMAGE_NAME}:${LATEST_VERSION} run-test # --- test joining a managed etcd cluster with incompatible configuration test-post-hook() { if [[ $1 -eq 0 ]]; then return fi dump-logs skip-output grep -sqF 'critical configuration value mismatch' $TEST_DIR/servers/2/logs/system.log } export -f test-post-hook LABEL="ETCD-JOIN-MISMATCH" SERVER_2_ARGS="--cluster-cidr 10.0.0.0/16" run-test cleanup-test-env