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istio.io/archive/v1.10/docs/setup/install/external-controlplane/snips.sh

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#!/bin/bash
# shellcheck disable=SC2034,SC2153,SC2155,SC2164
# Copyright Istio Authors. All Rights Reserved.
#
# 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.
####################################################################################################
# WARNING: THIS IS AN AUTO-GENERATED FILE, DO NOT EDIT. PLEASE MODIFY THE ORIGINAL MARKDOWN FILE:
# docs/setup/install/external-controlplane/index.md
####################################################################################################
snip_set_up_a_gateway_in_the_external_cluster_1() {
cat <<EOF > controlplane-gateway.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
namespace: istio-system
spec:
components:
ingressGateways:
- name: istio-ingressgateway
enabled: true
k8s:
service:
ports:
- port: 15021
targetPort: 15021
name: status-port
- port: 15012
targetPort: 15012
name: tls-xds
- port: 15017
targetPort: 15017
name: tls-webhook
EOF
}
snip_set_up_a_gateway_in_the_external_cluster_2() {
istioctl install -f controlplane-gateway.yaml --context="${CTX_EXTERNAL_CLUSTER}"
}
snip_set_up_a_gateway_in_the_external_cluster_3() {
kubectl get po -n istio-system --context="${CTX_EXTERNAL_CLUSTER}"
}
! read -r -d '' snip_set_up_a_gateway_in_the_external_cluster_3_out <<\ENDSNIP
NAME READY STATUS RESTARTS AGE
istio-ingressgateway-9d4c7f5c7-7qpzz 1/1 Running 0 29s
istiod-68488cd797-mq8dn 1/1 Running 0 38s
ENDSNIP
snip_get_remote_config_cluster_iop() {
cat <<EOF > remote-config-cluster.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
namespace: external-istiod
spec:
profile: external
components:
base:
enabled: true
values:
global:
istioNamespace: external-istiod
pilot:
configMap: true
istiodRemote:
injectionURL: https://${EXTERNAL_ISTIOD_ADDR}:15017/inject/:ENV:cluster=${REMOTE_CLUSTER_NAME}:ENV:net=network1
base:
validationURL: https://${EXTERNAL_ISTIOD_ADDR}:15017/validate
EOF
}
snip_set_up_the_remote_config_cluster_2() {
kubectl create namespace external-istiod --context="${CTX_REMOTE_CLUSTER}"
istioctl manifest generate -f remote-config-cluster.yaml | kubectl apply --context="${CTX_REMOTE_CLUSTER}" -f -
}
snip_set_up_the_remote_config_cluster_3() {
kubectl get mutatingwebhookconfiguration -n external-istiod --context="${CTX_REMOTE_CLUSTER}"
}
! read -r -d '' snip_set_up_the_remote_config_cluster_3_out <<\ENDSNIP
NAME WEBHOOKS AGE
istio-sidecar-injector-external-istiod 4 6m24s
ENDSNIP
snip_set_up_the_control_plane_in_the_external_cluster_1() {
kubectl create namespace external-istiod --context="${CTX_EXTERNAL_CLUSTER}"
}
snip_set_up_the_control_plane_in_the_external_cluster_2() {
kubectl create sa istiod-service-account -n external-istiod --context="${CTX_EXTERNAL_CLUSTER}"
istioctl x create-remote-secret \
--context="${CTX_REMOTE_CLUSTER}" \
--type=config \
--namespace=external-istiod | \
kubectl apply -f - --context="${CTX_EXTERNAL_CLUSTER}"
}
snip_get_external_istiod_iop() {
cat <<EOF > external-istiod.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
namespace: external-istiod
spec:
profile: empty
meshConfig:
rootNamespace: external-istiod
defaultConfig:
discoveryAddress: $EXTERNAL_ISTIOD_ADDR:15012
proxyMetadata:
XDS_ROOT_CA: /etc/ssl/certs/ca-certificates.crt
CA_ROOT_CA: /etc/ssl/certs/ca-certificates.crt
components:
pilot:
enabled: true
k8s:
overlays:
- kind: Deployment
name: istiod
patches:
- path: spec.template.spec.volumes[100]
value: |-
name: config-volume
configMap:
name: istio
- path: spec.template.spec.volumes[100]
value: |-
name: inject-volume
configMap:
name: istio-sidecar-injector
- path: spec.template.spec.containers[0].volumeMounts[100]
value: |-
name: config-volume
mountPath: /etc/istio/config
- path: spec.template.spec.containers[0].volumeMounts[100]
value: |-
name: inject-volume
mountPath: /var/lib/istio/inject
env:
- name: INJECTION_WEBHOOK_CONFIG_NAME
value: ""
- name: VALIDATION_WEBHOOK_CONFIG_NAME
value: ""
- name: EXTERNAL_ISTIOD
value: "true"
- name: CLUSTER_ID
value: ${REMOTE_CLUSTER_NAME}
- name: SHARED_MESH_CONFIG
value: istio
values:
global:
caAddress: $EXTERNAL_ISTIOD_ADDR:15012
istioNamespace: external-istiod
operatorManageWebhooks: true
meshID: mesh1
EOF
}
snip_set_up_the_control_plane_in_the_external_cluster_4() {
istioctl install -f external-istiod.yaml --context="${CTX_EXTERNAL_CLUSTER}"
}
snip_set_up_the_control_plane_in_the_external_cluster_5() {
kubectl get po -n external-istiod --context="${CTX_EXTERNAL_CLUSTER}"
}
! read -r -d '' snip_set_up_the_control_plane_in_the_external_cluster_5_out <<\ENDSNIP
NAME READY STATUS RESTARTS AGE
istiod-779bd6fdcf-bd6rg 1/1 Running 0 70s
ENDSNIP
snip_get_external_istiod_gateway_config() {
cat <<EOF > external-istiod-gw.yaml
apiVersion: networking.istio.io/v1beta1
kind: Gateway
metadata:
name: external-istiod-gw
namespace: external-istiod
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 15012
protocol: https
name: https-XDS
tls:
mode: SIMPLE
credentialName: $SSL_SECRET_NAME
hosts:
- $EXTERNAL_ISTIOD_ADDR
- port:
number: 15017
protocol: https
name: https-WEBHOOK
tls:
mode: SIMPLE
credentialName: $SSL_SECRET_NAME
hosts:
- $EXTERNAL_ISTIOD_ADDR
---
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
name: external-istiod-vs
namespace: external-istiod
spec:
hosts:
- $EXTERNAL_ISTIOD_ADDR
gateways:
- external-istiod-gw
http:
- match:
- port: 15012
route:
- destination:
host: istiod.external-istiod.svc.cluster.local
port:
number: 15012
- match:
- port: 15017
route:
- destination:
host: istiod.external-istiod.svc.cluster.local
port:
number: 443
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: external-istiod-dr
namespace: external-istiod
spec:
host: istiod.external-istiod.svc.cluster.local
trafficPolicy:
portLevelSettings:
- port:
number: 15012
tls:
mode: SIMPLE
connectionPool:
http:
h2UpgradePolicy: UPGRADE
- port:
number: 443
tls:
mode: SIMPLE
EOF
}
snip_set_up_the_control_plane_in_the_external_cluster_7() {
kubectl apply -f external-istiod-gw.yaml --context="${CTX_EXTERNAL_CLUSTER}"
}
snip_deploy_a_sample_application_1() {
kubectl create --context="${CTX_REMOTE_CLUSTER}" namespace sample
kubectl label --context="${CTX_REMOTE_CLUSTER}" namespace sample istio-injection=enabled
}
snip_deploy_a_sample_application_2() {
kubectl apply -f samples/helloworld/helloworld.yaml -l service=helloworld -n sample --context="${CTX_REMOTE_CLUSTER}"
kubectl apply -f samples/helloworld/helloworld.yaml -l version=v1 -n sample --context="${CTX_REMOTE_CLUSTER}"
kubectl apply -f samples/sleep/sleep.yaml -n sample --context="${CTX_REMOTE_CLUSTER}"
}
snip_deploy_a_sample_application_3() {
kubectl get pod -n sample --context="${CTX_REMOTE_CLUSTER}"
}
! read -r -d '' snip_deploy_a_sample_application_3_out <<\ENDSNIP
NAME READY STATUS RESTARTS AGE
helloworld-v1-776f57d5f6-s7zfc 2/2 Running 0 10s
sleep-64d7d56698-wqjnm 2/2 Running 0 9s
ENDSNIP
snip_deploy_a_sample_application_4() {
kubectl exec --context="${CTX_REMOTE_CLUSTER}" -n sample -c sleep \
"$(kubectl get pod --context="${CTX_REMOTE_CLUSTER}" -n sample -l app=sleep -o jsonpath='{.items[0].metadata.name}')" \
-- curl -sS helloworld.sample:5000/hello
}
! read -r -d '' snip_deploy_a_sample_application_4_out <<\ENDSNIP
Hello version: v1, instance: helloworld-v1-776f57d5f6-s7zfc
ENDSNIP
snip_enable_gateways_1() {
cat <<EOF > istio-ingressgateway.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
profile: empty
components:
ingressGateways:
- namespace: external-istiod
name: istio-ingressgateway
enabled: true
values:
gateways:
istio-ingressgateway:
injectionTemplate: gateway
EOF
istioctl install -f istio-ingressgateway.yaml --context="${CTX_REMOTE_CLUSTER}"
}
snip_enable_gateways_2() {
cat <<EOF > istio-egressgateway.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
profile: empty
components:
egressGateways:
- namespace: external-istiod
name: istio-egressgateway
enabled: true
values:
gateways:
istio-egressgateway:
injectionTemplate: gateway
EOF
istioctl install -f istio-egressgateway.yaml --context="${CTX_REMOTE_CLUSTER}"
}
snip_enable_gateways_3() {
kubectl get pod -l app=istio-ingressgateway -n external-istiod --context="${CTX_REMOTE_CLUSTER}"
}
! read -r -d '' snip_enable_gateways_3_out <<\ENDSNIP
NAME READY STATUS RESTARTS AGE
istio-ingressgateway-7bcd5c6bbd-kmtl4 1/1 Running 0 8m4s
ENDSNIP
snip_enable_gateways_4() {
kubectl apply -f samples/helloworld/helloworld-gateway.yaml -n sample --context="${CTX_REMOTE_CLUSTER}"
}
snip_enable_gateways_5() {
export INGRESS_HOST=$(kubectl -n external-istiod --context="${CTX_REMOTE_CLUSTER}" get service istio-ingressgateway -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
export INGRESS_PORT=$(kubectl -n external-istiod --context="${CTX_REMOTE_CLUSTER}" get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="http2")].port}')
export GATEWAY_URL=$INGRESS_HOST:$INGRESS_PORT
}
snip_enable_gateways_6() {
curl -s "http://${GATEWAY_URL}/hello"
}
! read -r -d '' snip_enable_gateways_6_out <<\ENDSNIP
Hello version: v1, instance: helloworld-v1-776f57d5f6-s7zfc
ENDSNIP
snip_register_the_new_cluster_1() {
istioctl x create-remote-secret \
--context="${CTX_SECOND_CLUSTER}" \
--name="${SECOND_CLUSTER_NAME}" \
--type=remote \
--namespace=external-istiod | \
kubectl apply -f - --context="${CTX_REMOTE_CLUSTER}" #TODO use --context="{CTX_EXTERNAL_CLUSTER}" when #31946 is fixed.
}
snip_get_second_config_cluster_iop() {
cat <<EOF > second-config-cluster.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
namespace: external-istiod
spec:
profile: external
values:
global:
istioNamespace: external-istiod
istiodRemote:
injectionURL: https://${EXTERNAL_ISTIOD_ADDR}:15017/inject/:ENV:cluster=${SECOND_CLUSTER_NAME}:ENV:net=network2
EOF
}
snip_register_the_new_cluster_3() {
istioctl manifest generate -f second-config-cluster.yaml | kubectl apply --context="${CTX_SECOND_CLUSTER}" -f -
}
snip_register_the_new_cluster_4() {
kubectl get mutatingwebhookconfiguration -n external-istiod --context="${CTX_SECOND_CLUSTER}"
}
! read -r -d '' snip_register_the_new_cluster_4_out <<\ENDSNIP
NAME WEBHOOKS AGE
istio-sidecar-injector-external-istiod 4 4m13s
ENDSNIP
snip_setup_eastwest_gateways_1() {
samples/multicluster/gen-eastwest-gateway.sh \
--mesh mesh1 --cluster "${REMOTE_CLUSTER_NAME}" --network network1 > eastwest-gateway-1.yaml
istioctl manifest generate -f eastwest-gateway-1.yaml \
--set values.gateways.istio-ingressgateway.injectionTemplate=gateway \
--set values.global.istioNamespace=external-istiod | \
kubectl apply --context="${CTX_REMOTE_CLUSTER}" -f -
}
snip_setup_eastwest_gateways_2() {
samples/multicluster/gen-eastwest-gateway.sh \
--mesh mesh1 --cluster "${SECOND_CLUSTER_NAME}" --network network2 > eastwest-gateway-2.yaml
istioctl manifest generate -f eastwest-gateway-2.yaml \
--set values.gateways.istio-ingressgateway.injectionTemplate=gateway \
--set values.global.istioNamespace=external-istiod | \
kubectl apply --context="${CTX_SECOND_CLUSTER}" -f -
}
snip_setup_eastwest_gateways_3() {
kubectl --context="${CTX_REMOTE_CLUSTER}" get svc istio-eastwestgateway -n external-istiod
}
! read -r -d '' snip_setup_eastwest_gateways_3_out <<\ENDSNIP
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
istio-eastwestgateway LoadBalancer 10.0.12.121 34.122.91.98 ... 51s
ENDSNIP
snip_setup_eastwest_gateways_4() {
kubectl --context="${CTX_SECOND_CLUSTER}" get svc istio-eastwestgateway -n external-istiod
}
! read -r -d '' snip_setup_eastwest_gateways_4_out <<\ENDSNIP
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
istio-eastwestgateway LoadBalancer 10.0.12.121 34.122.91.99 ... 51s
ENDSNIP
snip_setup_eastwest_gateways_5() {
kubectl --context="${CTX_REMOTE_CLUSTER}" apply -n external-istiod -f \
samples/multicluster/expose-services.yaml
}
snip_setup_eastwest_gateways_6() {
kubectl --context="${CTX_SECOND_CLUSTER}" apply -n external-istiod -f \
samples/multicluster/expose-services.yaml
}
snip_validate_the_installation_1() {
kubectl create --context="${CTX_SECOND_CLUSTER}" namespace sample
kubectl label --context="${CTX_SECOND_CLUSTER}" namespace sample istio-injection=enabled
}
snip_validate_the_installation_2() {
kubectl apply -f samples/helloworld/helloworld.yaml -l service=helloworld -n sample --context="${CTX_SECOND_CLUSTER}"
kubectl apply -f samples/helloworld/helloworld.yaml -l version=v2 -n sample --context="${CTX_SECOND_CLUSTER}"
kubectl apply -f samples/sleep/sleep.yaml -n sample --context="${CTX_SECOND_CLUSTER}"
}
snip_validate_the_installation_3() {
kubectl get pod -n sample --context="${CTX_SECOND_CLUSTER}"
}
! read -r -d '' snip_validate_the_installation_3_out <<\ENDSNIP
NAME READY STATUS RESTARTS AGE
helloworld-v2-54df5f84b-9hxgw 2/2 Running 0 10s
sleep-557747455f-wtdbr 2/2 Running 0 9s
ENDSNIP
snip_validate_the_installation_4() {
kubectl exec --context="${CTX_SECOND_CLUSTER}" -n sample -c sleep \
"$(kubectl get pod --context="${CTX_SECOND_CLUSTER}" -n sample -l app=sleep -o jsonpath='{.items[0].metadata.name}')" \
-- curl -sS helloworld.sample:5000/hello
}
! read -r -d '' snip_validate_the_installation_4_out <<\ENDSNIP
Hello version: v2, instance: helloworld-v2-54df5f84b-9hxgw
ENDSNIP
snip_validate_the_installation_5() {
for i in {1..10}; do curl -s "http://${GATEWAY_URL}/hello"; done
}
! read -r -d '' snip_validate_the_installation_5_out <<\ENDSNIP
Hello version: v1, instance: helloworld-v1-776f57d5f6-s7zfc
Hello version: v2, instance: helloworld-v2-54df5f84b-9hxgw
Hello version: v1, instance: helloworld-v1-776f57d5f6-s7zfc
Hello version: v2, instance: helloworld-v2-54df5f84b-9hxgw
...
ENDSNIP
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