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Add script to test server/agent version compatibility

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We have had a couple issues with newer agents not working with old
servers or vice versa. Add a CI test to test variations on
uplevel/downlevel server/agent against latest, stable, and the previous
branch.

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
This commit is contained in:
Brad Davidson 2021-03-01 00:58:50 -08:00 committed by Brad Davidson
parent 669d0c0e31
commit 7734015db7
3 changed files with 42 additions and 2 deletions
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3
scripts/test
View File

@ -18,6 +18,9 @@ docker ps
. ./scripts/test-run-basics
echo "Did test-run-basics $?"
. ./scripts/test-run-compat
echo "Did test-run-compat $?"
# ---
[ "$ARCH" != 'amd64' ] && \

4
scripts/test-helpers
View File

@ -419,7 +419,7 @@ provision-server() {
-e K3S_TOKEN=$(cat $TEST_DIR/metadata/secret) \
-e K3S_DEBUG=true \
${REGISTRY_CLUSTER_ARGS:-} \
$K3S_IMAGE server $ARGS $SERVER_ARGS ${!SERVER_INSTANCE_ARGS}
${K3S_IMAGE_SERVER:-$K3S_IMAGE} server $ARGS $SERVER_ARGS ${!SERVER_INSTANCE_ARGS}
local ip=$(docker inspect --format '{{ .NetworkSettings.IPAddress }}' $name | tee $TEST_DIR/servers/$count/metadata/ip)
local url=$(echo "https://$ip:6443" | tee $TEST_DIR/servers/$count/metadata/url)
@ -446,7 +446,7 @@ provision-agent() {
-e K3S_TOKEN=$(cat $TEST_DIR/metadata/secret) \
-e K3S_URL=$K3S_URL \
${REGISTRY_CLUSTER_ARGS:-} \
$K3S_IMAGE agent $ARGS $AGENT_ARGS ${!AGENT_INSTANCE_ARGS}
${K3S_IMAGE_AGENT:-$K3S_IMAGE} agent $ARGS $AGENT_ARGS ${!AGENT_INSTANCE_ARGS}
echo "Started $name"
run-function agent-post-hook $count

37
scripts/test-run-compat Executable file
View File

@ -0,0 +1,37 @@
#!/bin/bash
all_services=(
coredns
local-path-provisioner
metrics-server
traefik
)
export NUM_SERVERS=1
export NUM_AGENTS=1
export WAIT_SERVICES="${all_services[@]}"
export SERVER_ARGS="--node-taint=CriticalAddonsOnly=true:NoExecute"
start-test() {
echo "Cluster is up"
}
export -f start-test
REPO=${REPO:-rancher}
IMAGE_NAME=${IMAGE_NAME:-k3s}
PREVIOUS_CHANNEL=$(curl -s https://update.k3s.io/v1-release/channels/stable -o /dev/null -w '%{redirect_url}' | awk -F. '{print "v1." ($(NF - 1) - 1)}')
PREVIOUS_VERSION=$(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", $NF)}')
# --- create a basic cluster to test for compat with the previous minor version of the server and agent
K3S_IMAGE_SERVER=${REPO}/${IMAGE_NAME}:${PREVIOUS_VERSION} LABEL=PREVIOUS-SERVER run-test
K3S_IMAGE_AGENT=${REPO}/${IMAGE_NAME}:${PREVIOUS_VERSION} LABEL=PREVIOUS-AGENT run-test
# --- create a basic cluster to test for compat with the stable version of the server and agent
K3S_IMAGE_SERVER=${REPO}/${IMAGE_NAME}:${STABLE_VERSION} LABEL=STABLE-SERVER run-test
K3S_IMAGE_AGENT=${REPO}/${IMAGE_NAME}:${STABLE_VERSION} LABEL=STABLE-AGENT run-test
# --- create a basic cluster to test for compat with the latest version of the server and agent
K3S_IMAGE_SERVER=${REPO}/${IMAGE_NAME}:${LATEST_VERSION} LABEL=LATEST-SERVER run-test
K3S_IMAGE_AGENT=${REPO}/${IMAGE_NAME}:${LATEST_VERSION} LABEL=LATEST-AGENT run-test