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tests/e2e: add memory limit test

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iwilltry42 2021-03-30 12:55:40 +02:00
parent 3aefb6d428
commit ad9a128703
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2
docs/usage/commands.md
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@ -10,6 +10,7 @@ k3d
cluster [CLUSTERNAME] # default cluster name is 'k3s-default'
create
-a, --agents # specify how many agent nodes you want to create (integer, default: 0)
--agents-memory # specify memory limit for agent containers/nodes (unit, e.g. 1g)
--api-port # specify the port on which the cluster will be accessible (format '[HOST:]HOSTPORT', default: random)
-c, --config # use a config file (format 'PATH')
-e, --env # add environment variables to the nodes (quoted string, format: 'KEY[=VALUE][@NODEFILTER[;NODEFILTER...]]', use flag multiple times)
@ -29,6 +30,7 @@ k3d
--registry-create # create a new (docker) registry dedicated for this cluster (default: false)
--registry-use # use an existing local (docker) registry with this cluster (string, use multiple times)
-s, --servers # specify how many server nodes you want to create (integer, default: 1)
--servers-memory # specify memory limit for server containers/nodes (unit, e.g. 1g)
--token # specify a cluster token (string, default: auto-generated)
--timeout # specify a timeout, after which the cluster creation will be interrupted and changes rolled back (duration, e.g. '10s')
-v, --volume # specify additional bind-mounts (format: '[SOURCE:]DEST[@NODEFILTER[;NODEFILTER...]]', use flag multiple times)

42
tests/test_memory_limits.sh Executable file
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@ -0,0 +1,42 @@
#!/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"
export CURRENT_STAGE="Test | MemoryLimits"
highlight "[START] MemoryLimitTest $EXTRA_TITLE"
clustername="memlimittest"
info "Creating cluster $clustername..."
$EXE cluster create $clustername --servers-memory 1g --agents 1 --agents-memory 1.5g || failed "could not create cluster $clustername"
info "Checking we have access to the cluster..."
check_clusters "$clustername" || failed "error checking cluster"
info "Checking Memory Limits (docker)..."
if [[ $(docker inspect k3d-$clustername-server-0 | jq '.[0].HostConfig.Memory') != "1073741824" ]]; then
fail "Server Memory not set to 1g as expected (docker)"
fi
if [[ $(docker inspect k3d-$clustername-agent-0 | jq '.[0].HostConfig.Memory') != "1610612736" ]]; then
fail "Agent Memory not set to 1.5g as expected (docker)"
fi
info "Checking Memory Limits (Kubernetes)..."
if [[ $(kubectl get node k3d-$clustername-server-0 -o go-template='{{ .status.capacity.memory }}') != "1073741Ki" ]]; then
fail "Server Memory not set to 1g as expected (k8s)"
fi
if [[ $(kubectl get node k3d-$clustername-agent-0 -o go-template='{{ .status.capacity.memory }}') != "1610612Ki" ]]; then
fail "Agent Memory not set to 1.5g as expected (k8s)"
fi
info "Deleting clusters..."
$EXE cluster delete $clustername || failed "could not delete the cluster $clustername"
exit 0