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Merge pull request #2 from jkneubuh/feature/unsensible
Feature/unsensible
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,148 @@ | ||
| #!/bin/bash | ||
| # | ||
| # Copyright contributors to the Hyperledgendary Full Stack Asset Transfer project | ||
| # | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at: | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
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| set -eo pipefail | ||
| set -x | ||
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| function kind_with_nginx() { | ||
| local cluster_name=$1 | ||
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| delete_cluster $cluster_name | ||
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| create_cluster $cluster_name | ||
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| start_nginx | ||
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| apply_coredns_override | ||
| } | ||
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| # | ||
| # Delete a kind cluster if it exists | ||
| # | ||
| function delete_cluster() { | ||
| local cluster_name=$1 | ||
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| kind delete cluster --name $cluster_name | ||
| } | ||
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| # | ||
| # Create a local KIND cluster | ||
| # | ||
| function create_cluster() { | ||
| local cluster_name=$1 | ||
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| cat << EOF | kind create cluster --name $cluster_name --config=- | ||
| --- | ||
| kind: Cluster | ||
| apiVersion: kind.x-k8s.io/v1alpha4 | ||
| nodes: | ||
| - role: control-plane | ||
| kubeadmConfigPatches: | ||
| - | | ||
| kind: InitConfiguration | ||
| nodeRegistration: | ||
| kubeletExtraArgs: | ||
| node-labels: "ingress-ready=true" | ||
| extraPortMappings: | ||
| - containerPort: 80 | ||
| hostPort: 80 | ||
| protocol: TCP | ||
| - containerPort: 443 | ||
| hostPort: 443 | ||
| protocol: TCP | ||
| EOF | ||
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| # | ||
| # Work around a bug in KIND where DNS is not always resolved correctly on machines with IPv6 | ||
| # | ||
| for node in $(kind get nodes); | ||
| do | ||
| docker exec "$node" sysctl net.ipv4.conf.all.route_localnet=1; | ||
| done | ||
| } | ||
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| # | ||
| # Install an Nginx ingress controller bound to port 80 and 443. | ||
| # ssl_passthrough mode is enabled for TLS termination at the Fabric node enpdoints. | ||
| # | ||
| function start_nginx() { | ||
| kubectl apply -k https://github.com/hyperledger-labs/fabric-operator.git/config/ingress/kind | ||
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| sleep 10 | ||
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| kubectl wait --namespace ingress-nginx \ | ||
| --for=condition=ready pod \ | ||
| --selector=app.kubernetes.io/component=controller \ | ||
| --timeout=2m | ||
| } | ||
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| # | ||
| # Override Core DNS with a wildcard matcher for the "*.localho.st" domain, binding to the | ||
| # IP address of the Nginx ingress controller on the kubernetes internal network. Effectively this | ||
| # "steals" the domain name for *.localho.st, directing traffic to the Nginx load balancer, rather | ||
| # than to the loopback interface at 127.0.0.1. | ||
| # | ||
| function apply_coredns_override() { | ||
| CLUSTER_IP=$(kubectl -n ingress-nginx get svc ingress-nginx-controller -o json | jq -r .spec.clusterIP) | ||
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| cat << EOF | kubectl apply -f - | ||
| --- | ||
| kind: ConfigMap | ||
| apiVersion: v1 | ||
| metadata: | ||
| name: coredns | ||
| namespace: kube-system | ||
| data: | ||
| Corefile: | | ||
| .:53 { | ||
| errors | ||
| health { | ||
| lameduck 5s | ||
| } | ||
| ready | ||
| rewrite name regex (.*)\.localho\.st host.ingress.internal | ||
| hosts { | ||
| ${CLUSTER_IP} host.ingress.internal | ||
| fallthrough | ||
| } | ||
| kubernetes cluster.local in-addr.arpa ip6.arpa { | ||
| pods insecure | ||
| fallthrough in-addr.arpa ip6.arpa | ||
| ttl 30 | ||
| } | ||
| prometheus :9153 | ||
| forward . /etc/resolv.conf { | ||
| max_concurrent 1000 | ||
| } | ||
| cache 30 | ||
| loop | ||
| reload | ||
| loadbalance | ||
| } | ||
| EOF | ||
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| kubectl -n kube-system rollout restart deployment/coredns | ||
| } | ||
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| kind_with_nginx $1 |
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