-
Notifications
You must be signed in to change notification settings - Fork 0
/
deploy-httproute-multicluster-p2p.sh
executable file
·117 lines (91 loc) · 5.42 KB
/
deploy-httproute-multicluster-p2p.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
#!/bin/bash
# deploy-httproute-multicluster.sh
# Demo script for the k3d-multicluster-playground GitHub repository
# https://github.com/southsidedean/linkerd-demos/tree/main/k3d-multicluster-playground
# Automates multi-cluster deployment
# Tom Dean | Buoyant
# Last edit: 10/8/2024
# Let's set some variables!
# BEL: Stable
#BEL_VERSION=enterprise-2.16.0
#CLI_VERSION=install
#MC_VERSION=enterprise
# BEL: Preview
BEL_VERSION=preview-24.10.4
CLI_VERSION=install-preview
MC_VERSION=preview
# Cluster Naming Variables
CLUSTER_A_PREFIX=cluster-a
CLUSTER_B_NAME=cluster-b
# Cluster A Count
CLUSTER_A_COUNT=3
# API Addresses
CLUSTER_B_API=`echo "https://$(kubectl --context k3d-cluster-b get node k3d-cluster-b-server-0 -o jsonpath='{.status.addresses[?(.type=="InternalIP")].address}'):6443"`
CLUSTER_A1_API=`echo "https://$(kubectl --context k3d-cluster-a1 get node k3d-cluster-a1-server-0 -o jsonpath='{.status.addresses[?(.type=="InternalIP")].address}'):6443"`
CLUSTER_A2_API=`echo "https://$(kubectl --context k3d-cluster-a2 get node k3d-cluster-a2-server-0 -o jsonpath='{.status.addresses[?(.type=="InternalIP")].address}'):6443"`
CLUSTER_A3_API=`echo "https://$(kubectl --context k3d-cluster-a3 get node k3d-cluster-a3-server-0 -o jsonpath='{.status.addresses[?(.type=="InternalIP")].address}'):6443"`
# Step 1: Add a Hosts Entry to CoreDNS
kubectl get cm coredns -n kube-system -o yaml --context k3d-$CLUSTER_B_NAME -o yaml | grep -Ev "creationTimestamp|resourceVersion|uid" > coredns.yaml
sed -i .orig 's/host.k3d.internal/host.k3d.internal\ kubernetes/g' coredns.yaml
cat coredns.yaml
kubectl apply -f coredns.yaml -n kube-system --context k3d-$CLUSTER_B_NAME
kubectl rollout restart deploy coredns -n kube-system --context k3d-$CLUSTER_B_NAME
kubectl get cm coredns -n kube-system -o yaml --context k3d-$CLUSTER_B_NAME -o yaml
# Step 2: Install the Multi-Cluster Extension
source settings.sh
helm repo add linkerd-buoyant https://helm.buoyant.cloud
helm repo update
helm install linkerd-multicluster \
--create-namespace \
--namespace linkerd-multicluster \
--kube-context k3d-$CLUSTER_B_NAME \
--set linkerd-multicluster.gateway.enabled=true \
--set license=$BUOYANT_LICENSE \
linkerd-buoyant/linkerd-$MC_VERSION-multicluster
for i in `seq 1 $CLUSTER_A_COUNT`
do
helm install linkerd-multicluster \
--create-namespace \
--namespace linkerd-multicluster \
--kube-context k3d-$CLUSTER_A_PREFIX$i \
--set linkerd-multicluster.gateway.enabled=true \
--set license=$BUOYANT_LICENSE \
linkerd-buoyant/linkerd-$MC_VERSION-multicluster
done
linkerd --context=k3d-$CLUSTER_B_NAME multicluster check
for i in `seq 1 $CLUSTER_A_COUNT`
do
linkerd --context=k3d-$CLUSTER_A_PREFIX$i multicluster check
done
kubectl apply -f policy.yaml --context k3d-$CLUSTER_B_NAME
# Step 3: Link the Clusters
rm multicluster-*.yaml
#for i in `seq 1 $CLUSTER_A_COUNT`
#do
#linkerd --context=k3d-$CLUSTER_A_PREFIX$i multicluster link --cluster-name $CLUSTER_A_PREFIX$i >> multicluster-link-orig-a$i.yaml
#KC1=`linkerd --context=k3d-$CLUSTER_A_PREFIX$i multicluster link --cluster-name $CLUSTER_A_PREFIX$i | grep kubeconfig: | uniq | awk {'print $2'}` ; KC2=`echo $KC1 | base64 -d | sed 's/0\.0\.0\.0/kubernetes/g' | base64` ; awk -f mc.awk "$KC1" "$KC2" multicluster-link-orig-a$i.yaml >> multicluster-link.yaml
#done
#linkerd --context=k3d-cluster-a1 multicluster link --cluster-name cluster-a1 >> multicluster-link-orig-a1.yaml
#KC1=`linkerd --context=k3d-cluster-a1 multicluster link --cluster-name cluster-a1 | grep kubeconfig: | uniq | awk {'print $2'}` ; KC2=`echo $KC1 | base64 -d | sed 's/0\.0\.0\.0/kubernetes/g' | base64` ; awk -f mc.awk "$KC1" "$KC2" multicluster-link-orig-a1.yaml >> multicluster-link.yaml
#linkerd --context=k3d-cluster-a2 multicluster link --cluster-name cluster-a2 >> multicluster-link-orig-a2.yaml
#KC1=`linkerd --context=k3d-cluster-a2 multicluster link --cluster-name cluster-a2 | grep kubeconfig: | uniq | awk {'print $2'}` ; KC2=`echo $KC1 | base64 -d | sed 's/0\.0\.0\.0/kubernetes/g' | base64` ; awk -f mc.awk "$KC1" "$KC2" multicluster-link-orig-a2.yaml >> multicluster-link.yaml
#linkerd --context=k3d-cluster-a3 multicluster link --cluster-name cluster-a3 >> multicluster-link-orig-a3.yaml
#KC1=`linkerd --context=k3d-cluster-a3 multicluster link --cluster-name cluster-a3 | grep kubeconfig: | uniq | awk {'print $2'}` ; KC2=`echo $KC1 | base64 -d | sed 's/0\.0\.0\.0/kubernetes/g' | base64` ; awk -f mc.awk "$KC1" "$KC2" multicluster-link-orig-a3.yaml >> multicluster-link.yaml
linkerd --context=k3d-cluster-a1 multicluster link --cluster-name cluster-a1 --gateway=false --api-addr $CLUSTER_A1_API >> multicluster-link.yaml
linkerd --context=k3d-cluster-a2 multicluster link --cluster-name cluster-a2 --gateway=false --api-addr $CLUSTER_A2_API >> multicluster-link.yaml
linkerd --context=k3d-cluster-a3 multicluster link --cluster-name cluster-a3 --gateway=false --api-addr $CLUSTER_A3_API >> multicluster-link.yaml
kubectl apply -f multicluster-link.yaml --context k3d-$CLUSTER_B_NAME
kubectl get links -A --context=k3d-$CLUSTER_B_NAME
# Step 4: Export the 'fulfillment' Service to the 'orders' Cluster
kubectl get svc -A --context=k3d-$CLUSTER_B_NAME
for i in `seq 1 $CLUSTER_A_COUNT`
do
kubectl get svc -A --context=k3d-$CLUSTER_A_PREFIX$i
done
for i in `seq 1 $CLUSTER_A_COUNT`
do
kubectl --context=k3d-$CLUSTER_A_PREFIX$i label svc -n orders fulfillment mirror.linkerd.io/exported=remote-discovery
done
sleep 30
kubectl get svc -A --context=k3d-$CLUSTER_B_NAME
exit 0