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Add support for ingress and automation for developers to test on mini…
…kube (#56) * add automation to create two minikube clusters * Add --endpoint flag to transfer-pvc subcommand * add hack/delete-clusters.sh * garbage collect resources after trying to follow logs * fixups: add changes to scripts from PR review Co-authored-by: David Zager <dzager@redhat.com> * update ingress endpoint to pass subdomain * fixups: update bash scripts with suggestions from code review round 2 Co-authored-by: David Zager <dzager@redhat.com> * fixups: run gofmt and goimports * bump go mod to use latest crane-lib
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Alay Patel
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Dec 8, 2021
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| #!/usr/bin/env bash | ||
| set +x | ||
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| SRC_CLUSTER_NAME=src | ||
| DEST_CLUSTER_NAME=dest | ||
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| SOURCE_IP=$(minikube ip -p ${SRC_CLUSTER_NAME}) | ||
| DEST_IP=$(minikube ip -p ${DEST_CLUSTER_NAME}) | ||
| SOURCE_IP_RANGE="${SOURCE_IP%.*}.0/24" | ||
| DEST_IP_RANGE="${DEST_IP%.*}.0/24" | ||
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| sudo iptables -D FORWARD -p all -s $SOURCE_IP_RANGE -d $DEST_IP_RANGE -j ACCEPT | ||
| sudo iptables -D FORWARD -p all -s $DEST_IP_RANGE -d $SOURCE_IP_RANGE -j ACCEPT | ||
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| minikube delete -p ${SRC_CLUSTER_NAME} | ||
| minikube delete -p ${DEST_CLUSTER_NAME} | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| #!/usr/bin/env bash | ||
| set +x | ||
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| SRC_CLUSTER_NAME=src | ||
| DEST_CLUSTER_NAME=dest | ||
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| minikube status -p ${SRC_CLUSTER_NAME} >> /dev/null | ||
| if [[ $? == 0 ]]; then | ||
| echo "run hack/minikube-delete-clusters.sh before running this script"; exit 1 | ||
| fi | ||
| minikube status -p ${DEST_CLUSTER_NAME} >> /dev/null | ||
| if [[ $? == 0 ]]; then | ||
| echo "run hack/minikube-delete-clusters.sh before running this script"; exit 1 | ||
| fi | ||
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| echo "create two minikube clusters" | ||
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| minikube start -p ${SRC_CLUSTER_NAME} | ||
| minikube start -p ${DEST_CLUSTER_NAME} | ||
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| echo "clusters started, configuring networking between source and destination clusters" | ||
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| SOURCE_IP=$(minikube ip -p ${SRC_CLUSTER_NAME}) | ||
| DEST_IP=$(minikube ip -p ${DEST_CLUSTER_NAME}) | ||
| SOURCE_IP_RANGE="${SOURCE_IP%.*}.0/24" | ||
| DEST_IP_RANGE="${DEST_IP%.*}.0/24" | ||
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| sudo iptables -I FORWARD 2 -p all -s $SOURCE_IP_RANGE -d $DEST_IP_RANGE -j ACCEPT | ||
| sudo iptables -I FORWARD 3 -p all -s $DEST_IP_RANGE -d $SOURCE_IP_RANGE -j ACCEPT | ||
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| minikube ssh -p ${SRC_CLUSTER_NAME} sudo ip r add $DEST_IP_RANGE via $(echo $SOURCE_IP | cut -d"." -f1-3).1 | ||
| minikube ssh -p ${DEST_CLUSTER_NAME} sudo ip r add $SOURCE_IP_RANGE via $(echo $DEST_IP | cut -d"." -f1-3).1 | ||
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| minikube ssh -p ${SRC_CLUSTER_NAME} "ping -c 4 ${DEST_IP}" | ||
| if [ "$?" != 0 ]; | ||
| then | ||
| echo "unable to set up networking" | ||
| exit 1 | ||
| fi | ||
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| echo "network setup successful, configuring nginx ingress on destination cluster" | ||
| minikube addons -p ${DEST_CLUSTER_NAME} enable ingress | ||
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| minikube update-context -p ${SRC_CLUSTER_NAME} | ||
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| # this hack does not work if the script is run twice | ||
| COREFILE=$(kubectl get cm -n kube-system coredns -ojson | jq '.data.Corefile') | ||
| COREFILE=$(echo $COREFILE | sed s/'fallthrough\\n }\\n/& file \/etc\/coredns\/crane.db crane.dev\\n/') | ||
| kubectl get cm -n kube-system coredns -ojson | jq ".data.Corefile = ${COREFILE}" | kubectl replace -f - | ||
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| kubectl patch cm -n kube-system coredns --type='json' -p='[{"op": "replace", "path": "/data/crane.db", "value": "; crane.dev test file\ncrane.dev. IN SOA a.crane.dev. b.crane.dev. 2 604800 86400 2419200 604800\ncrane.dev. IN NS a.crane.dev.\ncrane.dev. IN NS b.crane.dev.\na.crane.dev. IN A 127.0.0.1\nb.crane.dev. IN A 127.0.0.1\n\n*.crane.dev. IN A DEST_IP\n"}]' | ||
| kubectl get cm -n kube-system coredns -oyaml | sed "s/DEST_IP/${DEST_IP}/" | kubectl replace -f - | ||
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| kubectl patch deploy -n kube-system coredns --type='json' -p='[{"op": "add", "path": "/spec/template/spec/volumes/0/configMap/items/1", "value": {"key": "crane.db", "path": "crane.db"}}]' | ||
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| kubectl patch deploy --context=${DEST_CLUSTER_NAME} -n ingress-nginx ingress-nginx-controller --type='json' -p='[{"op": "add", "path": "/spec/template/spec/containers/0/args/12", "value": "--enable-ssl-passthrough"}]' | ||
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| # force a rollout | ||
| kubectl delete rs -n ingress-nginx --context=${DEST_CLUSTER_NAME} -l app.kubernetes.io/component=controller,app.kubernetes.io/instance=ingress-nginx |