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Avoid the host cluster CIDR to let DNS work in k3d
Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>
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@ -27,7 +27,11 @@ trap cleanup EXIT
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# Create a cluster and bind ports 80 and 443 on the host
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# This will allow us to access challenger server on 10.0.2.2 which is the IP
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# on which qemu "sees" the host.
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k3d cluster create "$CLUSTER_NAME" -p '80:80@server:0' -p '443:443@server:0' --image "$K3S_IMAGE"
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# We change the CIDR because k3s creates iptables rules that block DNS traffic to this CIDR
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# (something like that). If you run k3d inside a k3s cluster (inside a Pod), DNS won't work
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# inside the k3d server container unless you use a different CIDR.
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# Here we are avoiding CIDR "10.43.x.x"
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k3d cluster create "$CLUSTER_NAME" --k3s-arg "--cluster-cidr=10.49.0.1/16@server:0" --k3s-arg "--service-cidr=10.48.0.1/16@server:0" -p '80:80@server:0' -p '443:443@server:0' --image "$K3S_IMAGE"
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k3d kubeconfig get "$CLUSTER_NAME" > "$KUBECONFIG"
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# Build the docker image
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