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Helm and gateway tests #11276

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2 changes: 1 addition & 1 deletion content/en/boilerplates/revision-tags-middle.md
Original file line number Diff line number Diff line change
Expand Up @@ -18,4 +18,4 @@ prod-stable 1-9-5 ...

After the cluster operator is satisfied with the stability of the control plane tagged with `prod-canary`, namespaces labeled
`istio.io/rev=prod-stable` can be updated with one action by modifying the `prod-stable` revision tag to point to the newer
`1-10-0` revision.
`1-10-0` revision.
6 changes: 3 additions & 3 deletions content/en/docs/setup/additional-setup/gateway/index.md
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ description: Install and customize Istio Gateways.
weight: 40
keywords: [install,gateway,kubernetes]
owner: istio/wg-environments-maintainers
test: no
test: yes
---

Along with creating a service mesh, Istio allows you to manage [gateways](/docs/concepts/traffic-management/#gateways),
Expand Down Expand Up @@ -291,9 +291,9 @@ spec:
When this deployment is created, you will then have two versions of the gateway, both selected by the same Service:

{{< text bash >}}
$ kubectl get endpoints -o "custom-columns=NAME:.metadata.name,PODS:.subsets[*].addresses[*].targetRef.name"
$ kubectl get endpoints -n istio-ingress -o "custom-columns=NAME:.metadata.name,PODS:.subsets[*].addresses[*].targetRef.name"
NAME PODS
istio-ingressgateway istio-ingressgateway-788854c955-8gv96,istio-ingressgateway-canary-b78944cbd-mq2qf
istio-ingressgateway istio-ingressgateway-...,istio-ingressgateway-canary-...
{{< /text >}}

{{< image width="50%" link="canary-upgrade.svg" caption="Canary upgrade in progress" >}}
Expand Down
167 changes: 167 additions & 0 deletions content/en/docs/setup/additional-setup/gateway/snips.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,167 @@
#!/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/additional-setup/gateway/index.md
####################################################################################################

! read -r -d '' snip_deploying_a_gateway_1 <<\ENDSNIP
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
name: ingress
spec:
profile: empty # Do not install CRDs or the control plane
components:
ingressGateways:
- name: ingressgateway
namespace: istio-ingress
enabled: true
label:
# Set a unique label for the gateway. This is required to ensure Gateways
# can select this workload
istio: ingressgateway
values:
gateways:
istio-ingressgateway:
# Enable gateway injection
injectionTemplate: gateway
ENDSNIP

snip_deploying_a_gateway_2() {
kubectl create namespace istio-ingress
istioctl install -f ingress.yaml
}

snip_deploying_a_gateway_3() {
kubectl create namespace istio-ingress
helm install istio-ingress istio/gateway -n istio-ingress
}

! read -r -d '' snip_deploying_a_gateway_4 <<\ENDSNIP
apiVersion: v1
kind: Service
metadata:
name: istio-ingressgateway
namespace: istio-ingress
spec:
type: LoadBalancer
selector:
istio: ingressgateway
ports:
- port: 80
name: http
- port: 443
name: https
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: istio-ingressgateway
namespace: istio-ingress
spec:
selector:
matchLabels:
istio: ingressgateway
template:
metadata:
annotations:
# Select the gateway injection template (rather than the default sidecar template)
inject.istio.io/templates: gateway
labels:
# Set a unique label for the gateway. This is required to ensure Gateways can select this workload
istio: ingressgateway
# Enable gateway injection. If connecting to a revisioned control plane, replace with "istio.io/rev: revision-name"
sidecar.istio.io/inject: "true"
spec:
containers:
- name: istio-proxy
image: auto # The image will automatically update each time the pod starts.
---
# Set up roles to allow reading credentials for TLS
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: istio-ingressgateway-sds
namespace: istio-ingress
rules:
- apiGroups: [""]
resources: ["secrets"]
verbs: ["get", "watch", "list"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: istio-ingressgateway-sds
namespace: istio-ingress
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: istio-ingressgateway-sds
subjects:
- kind: ServiceAccount
name: default
ENDSNIP

snip_deploying_a_gateway_5() {
kubectl create namespace istio-ingress
kubectl apply -f ingress.yaml
}

! read -r -d '' snip_gateway_selectors_1 <<\ENDSNIP
apiVersion: networking.istio.io/v1beta1
kind: Gateway
metadata:
name: gateway
spec:
selector:
istio: ingressgateway
...
ENDSNIP

! read -r -d '' snip_canary_upgrade_advanced_1 <<\ENDSNIP
apiVersion: apps/v1
kind: Deployment
metadata:
name: istio-ingressgateway-canary
namespace: istio-ingress
spec:
selector:
matchLabels:
istio: ingressgateway
template:
metadata:
annotations:
inject.istio.io/templates: gateway
labels:
istio: ingressgateway
istio.io/rev: canary # Set to the control plane revision you want to deploy
spec:
containers:
- name: istio-proxy
image: auto
ENDSNIP

snip_canary_upgrade_advanced_2() {
kubectl get endpoints -n istio-ingress -o "custom-columns=NAME:.metadata.name,PODS:.subsets[*].addresses[*].targetRef.name"
}

! read -r -d '' snip_canary_upgrade_advanced_2_out <<\ENDSNIP
NAME PODS
istio-ingressgateway istio-ingressgateway-...,istio-ingressgateway-canary-...
ENDSNIP
67 changes: 67 additions & 0 deletions content/en/docs/setup/additional-setup/gateway/test.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,67 @@
#!/usr/bin/env bash
# Copyright Istio Authors
#
# 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.

set -e
set -u

set -o pipefail

# @setup profile=none
function rebuild() {
istioctl x uninstall --purge --skip-confirmation
kubectl delete namespace istio-ingress
istioctl install --skip-confirmation --set profile=minimal
}

istioctl install --skip-confirmation --set profile=minimal
_wait_for_deployment istio-system istiod

# shellcheck disable=SC2154
cat <<EOF >ingress.yaml
$snip_deploying_a_gateway_1
EOF

echo y | snip_deploying_a_gateway_2
_wait_for_deployment istio-ingress ingressgateway

rebuild
_rewrite_helm_repo snip_deploying_a_gateway_3
_wait_for_deployment istio-ingress istio-ingress

rebuild
# shellcheck disable=SC2154
cat <<EOF >ingress.yaml
$snip_deploying_a_gateway_4
EOF
snip_deploying_a_gateway_5
_wait_for_deployment istio-ingress istio-ingressgateway

istioctl install --skip-confirmation --set profile=minimal --set revision=canary
_wait_for_deployment istio-system istiod-canary

# shellcheck disable=SC2154
cat <<EOF | kubectl apply -f -
$snip_canary_upgrade_advanced_1
EOF
_wait_for_deployment istio-ingress istio-ingressgateway-canary

# shellcheck disable=SC2154
_verify_like snip_canary_upgrade_advanced_2 "${snip_canary_upgrade_advanced_2_out}"

# @cleanup

istioctl x uninstall --purge --skip-confirmation
kubectl delete namespace istio-system
kubectl delete namespace istio-ingress
14 changes: 1 addition & 13 deletions content/en/docs/setup/install/external-controlplane/test.sh
Original file line number Diff line number Diff line change
Expand Up @@ -21,18 +21,6 @@ set -e
set -u
set -o pipefail

# rewrite-repo invokes bash make to rewrite a snippet to avoid installing from a real helm repository, and instead uses
# local files
# shellcheck disable=SC2001
function rewrite-repo() {
# get function definition: https://stackoverflow.com/a/6916952/374797
cmd="$(type "${1:?snip}" | sed '1,3d;$d')"
cmd="$(echo "${cmd}" | sed 's|istio/base|manifests/charts/base|')"
cmd="$(echo "${cmd}" | sed 's|istio/istiod|manifests/charts/istio-control/istio-discovery|')"
cmd="$(echo "${cmd}" | sed 's|istio/gateway|manifests/charts/gateway|')"
eval "${cmd}"
}

kubectl_get_egress_gateway_for_remote_cluster() {
response=$(kubectl get pod -l app=istio-egressgateway -n external-istiod --context="${CTX_REMOTE_CLUSTER}" -o jsonpath="{.items[*].status.phase}")
echo "$response"
Expand Down Expand Up @@ -122,7 +110,7 @@ _verify_contains snip_deploy_a_sample_application_4 "Hello version: v1"
echo y | snip_enable_gateways_1

# And egress with helm
rewrite-repo snip_enable_gateways_4
_rewrite_helm_repo snip_enable_gateways_4

_verify_same kubectl_get_egress_gateway_for_remote_cluster "Running"

Expand Down
18 changes: 3 additions & 15 deletions content/en/docs/setup/install/helm/test.sh
Original file line number Diff line number Diff line change
Expand Up @@ -18,30 +18,18 @@ set -u

set -o pipefail

# rewrite-repo invokes bash make to rewrite a snippet to avoid installing from a real helm repository, and instead uses
# local files
# shellcheck disable=SC2001
function rewrite-repo() {
# get function definition: https://stackoverflow.com/a/6916952/374797
cmd="$(type "${1:?snip}" | sed '1,3d;$d')"
cmd="$(echo "${cmd}" | sed 's|istio/base|manifests/charts/base|')"
cmd="$(echo "${cmd}" | sed 's|istio/istiod|manifests/charts/istio-control/istio-discovery|')"
cmd="$(echo "${cmd}" | sed 's|istio/gateway|manifests/charts/gateway|')"
eval "${cmd} --set global.tag=${ISTIO_IMAGE_VERSION=SHOULD_BE_SET}.${ISTIO_LONG_SHA=latest}"
}

# @setup profile=none

# Delete a vailidatingwebhookconfiguration that seems to have been left around from a prior test.
kubectl delete validatingwebhookconfigurations.admissionregistration.k8s.io istiod-default-validator --ignore-not-found

snip_create_istio_system_namespace
rewrite-repo snip_install_base
_rewrite_helm_repo snip_install_base

rewrite-repo snip_install_discovery
_rewrite_helm_repo snip_install_discovery
_wait_for_deployment istio-system istiod

rewrite-repo snip_install_ingressgateway
_rewrite_helm_repo snip_install_ingressgateway
_wait_for_deployment istio-ingress istio-ingress

# shellcheck disable=SC2154
Expand Down
41 changes: 41 additions & 0 deletions content/en/docs/setup/upgrade/helm/canaryupgrade_test.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
#!/usr/bin/env bash
# Copyright Istio Authors
#
# 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.
source "content/en/docs/setup/upgrade/helm/common.sh"

set -e
set -u

set -o pipefail

# @setup profile=none

_install_istio_helm

snip_canary_upgrade_recommended_1
_rewrite_helm_repo snip_canary_upgrade_recommended_2
_wait_for_deployment istio-system istiod-canary

# shellcheck disable=SC2154
_verify_like snip_canary_upgrade_recommended_3 "${snip_canary_upgrade_recommended_3_out}"

snip_canary_upgrade_recommended_4
_rewrite_helm_repo snip_canary_upgrade_recommended_5

_rewrite_helm_repo helm template istiod istio/istiod -s templates/revision-tags.yaml --set revisionTags="{prod-stable}" --set revision=1-9-5 -n istio-system | kubectl delete -f -
_rewrite_helm_repo helm template istiod istio/istiod -s templates/revision-tags.yaml --set revisionTags="{prod-canary}" --set revision=1-10-0 -n istio-system | kubectl delete -f -
helm uninstall istiod-canary -n istio-system
_remove_istio_helm

# @cleanup
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