Little helper to run CNCF's k3s in Docker
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k3d/tests/test_loadbalancer.sh

89 lines
4.0 KiB

#!/bin/bash
CURR_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
[ -d "$CURR_DIR" ] || { echo "FATAL: no current dir (maybe running in zsh?)"; exit 1; }
# shellcheck source=./common.sh
source "$CURR_DIR/common.sh"
### Step Setup ###
# Redirect all stdout/stderr output to logfile
LOG_FILE="$TEST_OUTPUT_DIR/$( basename "${BASH_SOURCE[0]}" ).log"
exec >${LOG_FILE} 2>&1
export LOG_FILE
# use a kubeconfig file specific to this test
KUBECONFIG="$KUBECONFIG_ROOT/$( basename "${BASH_SOURCE[0]}" ).yaml"
export KUBECONFIG
### Step Setup ###
export CURRENT_STAGE="Test | Loadbalancer"
highlight "[START] LoadbalancerTest $EXTRA_TITLE"
function check_container_port() {
# $1 = container name
# $2 = wanted port
exists=$(docker inspect "$1" --format '{{ range $k, $_ := .NetworkSettings.Ports }}{{ if eq $k "'"$2"'" }}true{{ end }}{{ end }}')
if [[ $exists == "true" ]]; then
return 0
else
docker inspect "$1" --format '{{ range $k, $_ := .NetworkSettings.Ports }}{{ printf "%s\n" $k }}{{ end }}'
return 1
fi
}
clustername="lbtest"
info "Creating cluster $clustername..."
$EXE cluster create $clustername --timeout 360s --agents 1 \
-p 2222:3333@server:0 \
-p 8080:80@server:0:proxy \
-p 1234:4321/tcp@agent:0:direct \
-p 4444:5555@loadbalancer:0:proxy \
-p 6666:7777 \
|| failed "could not create cluster $clustername"
info "Checking we have access to the cluster..."
check_clusters "$clustername" || failed "error checking cluster"
info "Checking Container Ports..."
info "> Checking automatic port mapping for Kube API on loadbalancer (6443)..."
check_container_port k3d-$clustername-serverlb "6443/tcp" || failed "6443/tcp not on serverlb"
info "> Checking explicit proxy port mapping of port 80 -> loadbalancer -> server-0"
check_container_port k3d-$clustername-serverlb "80/tcp" || failed "80/tcp not on serverlb"
info "> Checking explicit direct port mapping of port 4321 -> agent-0"
check_container_port k3d-$clustername-agent-0 "4321/tcp" || failed "4321/tcp not on agent-0"
info "> Checking implicit proxy port mapping of port 3333 -> loadbalancer -> server-0"
check_container_port k3d-$clustername-server-0 "3333/tcp" && failed "3333/tcp on server-0 but should be on serverlb"
check_container_port k3d-$clustername-serverlb "3333/tcp" || failed "3333/tcp not on serverlb"
info "> Checking implicit proxy port mapping of port 5555 -> loadbalancer -> server-0 & agent-0"
check_container_port k3d-$clustername-server-0 "5555/tcp" && failed "5555/tcp on server-0 but should be on serverlb"
check_container_port k3d-$clustername-agent-0 "5555/tcp" && failed "5555/tcp on agent-0 but should be on serverlb"
check_container_port k3d-$clustername-serverlb "5555/tcp" || failed "5555/tcp not on serverlb"
info "> Checking implicit proxy port mapping of port 7777 -> loadbalancer -> server-0 & agent-0"
check_container_port k3d-$clustername-server-0 "7777/tcp" && failed "7777/tcp on server-0 but should be on serverlb"
check_container_port k3d-$clustername-agent-0 "7777/tcp" && failed "7777/tcp on agent-0 but should be on serverlb"
check_container_port k3d-$clustername-serverlb "7777/tcp" || failed "7777/tcp not on serverlb"
info "Checking Loadbalancer Config..."
LOG_LEVEL=error $EXE debug loadbalancer get-config $clustername > lbconfig.yaml
yq eval '.ports."80.tcp"' lbconfig.yaml | grep -q "k3d-$clustername-server-0" || failed "port 80.tcp not configured for server-0"
yq eval '.ports."5555.tcp"' lbconfig.yaml | grep -q "k3d-$clustername-server-0" || failed "port 5555.tcp not configured for server-0"
yq eval '.ports."5555.tcp"' lbconfig.yaml | grep -q "k3d-$clustername-agent-0" || failed "port 5555.tcp not configured for agent-0"
yq eval '.ports."7777.tcp"' lbconfig.yaml | grep -q "k3d-$clustername-server-0" || failed "port 7777.tcp not configured for server-0"
yq eval '.ports."7777.tcp"' lbconfig.yaml | grep -q "k3d-$clustername-agent-0" || failed "port 7777.tcp not configured for agent-0"
info "Deleting clusters..."
$EXE cluster delete $clustername || failed "could not delete the cluster $clustername"
exit 0