istio.io/archive/v1.14/docs/tasks/observability/gateways/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/tasks/observability/gateways/index.md
####################################################################################################
snip_configuring_remote_access_1() {
export INGRESS_DOMAIN="example.com"
}
snip_configuring_remote_access_2() {
export INGRESS_HOST=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
export INGRESS_DOMAIN=${INGRESS_HOST}.nip.io
}
snip_option_1_secure_access_https_1() {
CERT_DIR=/tmp/certs
mkdir -p ${CERT_DIR}
openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -subj "/O=example Inc./CN=*.${INGRESS_DOMAIN}" -keyout ${CERT_DIR}/ca.key -out ${CERT_DIR}/ca.crt
openssl req -out ${CERT_DIR}/cert.csr -newkey rsa:2048 -nodes -keyout ${CERT_DIR}/tls.key -subj "/CN=*.${INGRESS_DOMAIN}/O=example organization"
openssl x509 -req -sha256 -days 365 -CA ${CERT_DIR}/ca.crt -CAkey ${CERT_DIR}/ca.key -set_serial 0 -in ${CERT_DIR}/cert.csr -out ${CERT_DIR}/tls.crt
kubectl create -n istio-system secret tls telemetry-gw-cert --key=${CERT_DIR}/tls.key --cert=${CERT_DIR}/tls.crt
}
snip_option_1_secure_access_https_2() {
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: grafana-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 443
name: https-grafana
protocol: HTTPS
tls:
mode: SIMPLE
credentialName: telemetry-gw-cert
hosts:
- "grafana.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: grafana-vs
namespace: istio-system
spec:
hosts:
- "grafana.${INGRESS_DOMAIN}"
gateways:
- grafana-gateway
http:
- route:
- destination:
host: grafana
port:
number: 3000
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: grafana
namespace: istio-system
spec:
host: grafana
trafficPolicy:
tls:
mode: DISABLE
---
EOF
}
! read -r -d '' snip_option_1_secure_access_https_2_out <<\ENDSNIP
gateway.networking.istio.io/grafana-gateway created
virtualservice.networking.istio.io/grafana-vs created
destinationrule.networking.istio.io/grafana created
ENDSNIP
snip_option_1_secure_access_https_3() {
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: kiali-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 443
name: https-kiali
protocol: HTTPS
tls:
mode: SIMPLE
credentialName: telemetry-gw-cert
hosts:
- "kiali.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: kiali-vs
namespace: istio-system
spec:
hosts:
- "kiali.${INGRESS_DOMAIN}"
gateways:
- kiali-gateway
http:
- route:
- destination:
host: kiali
port:
number: 20001
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: kiali
namespace: istio-system
spec:
host: kiali
trafficPolicy:
tls:
mode: DISABLE
---
EOF
}
! read -r -d '' snip_option_1_secure_access_https_3_out <<\ENDSNIP
gateway.networking.istio.io/kiali-gateway created
virtualservice.networking.istio.io/kiali-vs created
destinationrule.networking.istio.io/kiali created
ENDSNIP
snip_option_1_secure_access_https_4() {
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: prometheus-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 443
name: https-prom
protocol: HTTPS
tls:
mode: SIMPLE
credentialName: telemetry-gw-cert
hosts:
- "prometheus.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: prometheus-vs
namespace: istio-system
spec:
hosts:
- "prometheus.${INGRESS_DOMAIN}"
gateways:
- prometheus-gateway
http:
- route:
- destination:
host: prometheus
port:
number: 9090
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: prometheus
namespace: istio-system
spec:
host: prometheus
trafficPolicy:
tls:
mode: DISABLE
---
EOF
}
! read -r -d '' snip_option_1_secure_access_https_4_out <<\ENDSNIP
gateway.networking.istio.io/prometheus-gateway created
virtualservice.networking.istio.io/prometheus-vs created
destinationrule.networking.istio.io/prometheus created
ENDSNIP
snip_option_1_secure_access_https_5() {
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: tracing-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 443
name: https-tracing
protocol: HTTPS
tls:
mode: SIMPLE
credentialName: telemetry-gw-cert
hosts:
- "tracing.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: tracing-vs
namespace: istio-system
spec:
hosts:
- "tracing.${INGRESS_DOMAIN}"
gateways:
- tracing-gateway
http:
- route:
- destination:
host: tracing
port:
number: 80
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: tracing
namespace: istio-system
spec:
host: tracing
trafficPolicy:
tls:
mode: DISABLE
---
EOF
}
! read -r -d '' snip_option_1_secure_access_https_5_out <<\ENDSNIP
gateway.networking.istio.io/tracing-gateway created
virtualservice.networking.istio.io/tracing-vs created
destinationrule.networking.istio.io/tracing created
ENDSNIP
snip_option_2_insecure_access_http_1() {
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: grafana-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 80
name: http-grafana
protocol: HTTP
hosts:
- "grafana.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: grafana-vs
namespace: istio-system
spec:
hosts:
- "grafana.${INGRESS_DOMAIN}"
gateways:
- grafana-gateway
http:
- route:
- destination:
host: grafana
port:
number: 3000
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: grafana
namespace: istio-system
spec:
host: grafana
trafficPolicy:
tls:
mode: DISABLE
---
EOF
}
! read -r -d '' snip_option_2_insecure_access_http_1_out <<\ENDSNIP
gateway.networking.istio.io/grafana-gateway created
virtualservice.networking.istio.io/grafana-vs created
destinationrule.networking.istio.io/grafana created
ENDSNIP
snip_option_2_insecure_access_http_2() {
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: kiali-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 80
name: http-kiali
protocol: HTTP
hosts:
- "kiali.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: kiali-vs
namespace: istio-system
spec:
hosts:
- "kiali.${INGRESS_DOMAIN}"
gateways:
- kiali-gateway
http:
- route:
- destination:
host: kiali
port:
number: 20001
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: kiali
namespace: istio-system
spec:
host: kiali
trafficPolicy:
tls:
mode: DISABLE
---
EOF
}
! read -r -d '' snip_option_2_insecure_access_http_2_out <<\ENDSNIP
gateway.networking.istio.io/kiali-gateway created
virtualservice.networking.istio.io/kiali-vs created
destinationrule.networking.istio.io/kiali created
ENDSNIP
snip_option_2_insecure_access_http_3() {
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: prometheus-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 80
name: http-prom
protocol: HTTP
hosts:
- "prometheus.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: prometheus-vs
namespace: istio-system
spec:
hosts:
- "prometheus.${INGRESS_DOMAIN}"
gateways:
- prometheus-gateway
http:
- route:
- destination:
host: prometheus
port:
number: 9090
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: prometheus
namespace: istio-system
spec:
host: prometheus
trafficPolicy:
tls:
mode: DISABLE
---
EOF
}
! read -r -d '' snip_option_2_insecure_access_http_3_out <<\ENDSNIP
gateway.networking.istio.io/prometheus-gateway created
virtualservice.networking.istio.io/prometheus-vs created
destinationrule.networking.istio.io/prometheus created
ENDSNIP
snip_option_2_insecure_access_http_4() {
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: tracing-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 80
name: http-tracing
protocol: HTTP
hosts:
- "tracing.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: tracing-vs
namespace: istio-system
spec:
hosts:
- "tracing.${INGRESS_DOMAIN}"
gateways:
- tracing-gateway
http:
- route:
- destination:
host: tracing
port:
number: 80
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: tracing
namespace: istio-system
spec:
host: tracing
trafficPolicy:
tls:
mode: DISABLE
---
EOF
}
! read -r -d '' snip_option_2_insecure_access_http_4_out <<\ENDSNIP
gateway.networking.istio.io/tracing-gateway created
virtualservice.networking.istio.io/tracing-vs created
destinationrule.networking.istio.io/tracing created
ENDSNIP
snip_cleanup_1() {
kubectl -n istio-system delete gateway grafana-gateway kiali-gateway prometheus-gateway tracing-gateway
}
! read -r -d '' snip_cleanup_1_out <<\ENDSNIP
gateway.networking.istio.io "grafana-gateway" deleted
gateway.networking.istio.io "kiali-gateway" deleted
gateway.networking.istio.io "prometheus-gateway" deleted
gateway.networking.istio.io "tracing-gateway" deleted
ENDSNIP
snip_cleanup_2() {
kubectl -n istio-system delete virtualservice grafana-vs kiali-vs prometheus-vs tracing-vs
}
! read -r -d '' snip_cleanup_2_out <<\ENDSNIP
virtualservice.networking.istio.io "grafana-vs" deleted
virtualservice.networking.istio.io "kiali-vs" deleted
virtualservice.networking.istio.io "prometheus-vs" deleted
virtualservice.networking.istio.io "tracing-vs" deleted
ENDSNIP
snip_cleanup_3() {
kubectl -n istio-system delete destinationrule grafana kiali prometheus tracing
}
! read -r -d '' snip_cleanup_3_out <<\ENDSNIP
destinationrule.networking.istio.io "grafana" deleted
destinationrule.networking.istio.io "kiali" deleted
destinationrule.networking.istio.io "prometheus" deleted
destinationrule.networking.istio.io "tracing" deleted
ENDSNIP