K8s 生产环境中运行 Istio 得到的经验
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挪威福利管理局已经从现有的Kubernestes集群转变为在公共云中运行生产应用程序。在这次旅程中，我们将Istio带入了我们的开源平台。
在本演示中，我们将讨论我们在多云生产环境中运行Istio的经验，这些环境包括内部集群和Google Kubernetes Engine。我们将关注如何使用Istio来控制服务之间的流量，相互TLS，Istio RBAC，描述我们在路上遇到的挑战以及我们如何解决它们。
展开查看详情
1 . Experiences from running Istio
in a k8s production environment
Line Moseng Johnny Horvi
@linemoseng
Norwegian Labour and Welfare Administration
6 .nais.io
github.com/nais
8 . logs metrics alerts events
secrets cache
app
storage runtime deploy
11 .internal external gke
dev dev dev
prod prod prod
on-prem public cloud
12 .internal external
dev dev
prod prod
on-prem
13 .internal external DMZ internet
14 . Zone
app
app app
app app
app
15 . app
app
app app
app
app
17 .mTLS as a service
Telemetry
25 . apiVersion: "nais.io/v1alpha1"
kind: "Application"
metadata:
name: app
labels:
team: pension
app spec:
image: navikt/app:1
port: 8080
replicas: { min: 2, max: 4 }
probes: { liveness: … }
ingresses:
- app.dev-gke.nais.io
egresses:
- svc-not-in-mesh.nav.local
secrets: true
accessPolicy:
inbound:
- name: consumer-a
26 . apiVersion: "nais.io/v1alpha1"
kind: "Application"
metadata:
name: app
labels:
team: pension
app spec:
image: navikt/app:1
m l
port: 8080
. ya
is
replicas: { min: 2, max: 4 }
a
probes: { liveness: … }
n
ingresses:
- app.dev-gke.nais.io
egresses:
- svc-not-in-mesh.nav.local
secrets: true
accessPolicy:
inbound:
- name: consumer-a
27 . deployment
cluster
virtualservice
autoscaler
service
application serviceentry
kubectl apply
-f nais.yaml
networkpolicy
servicerole
servicerolebinding
28 .apiVersion: "nais.io/v1alpha1"
kind: "Application"
metadata:
name: app
labels:
team: pension
spec:
image: navikt/app:1
port: 8080
replicas: { min: 2, max: 4 }
Ro
probes: { liveness: … }
ing
ingresses:
le
ind
- app.dev-gke.nais.io
egresses:
leB
- svc-not-in-mesh.nav.local
secrets: true
Ro
accessPolicy:
inbound:
- name: consumer-a
29 .apiVersion: "nais.io/v1alpha1" deployment
kind: "Application"
metadata:
name: app virtualservice
labels:
team: pension
spec:
autoscaler
image: navikt/app:1
port: 8080 service
replicas: { min: 2, max: 4 }
probes: { liveness: … }
ingresses:
serviceentry
- app.dev-gke.nais.io
egresses: networkpolicy
- svc-not-in-mesh.nav.local
secrets: true
accessPolicy:
servicerole
inbound:
- name: consumer-a servicerolebinding
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