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news-backend.yaml
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news-backend.yaml
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---
apiVersion: v1
kind: ConfigMap
metadata:
name: news-backend-envoy-config
namespace: default
data:
envoy.yaml: |
admin:
access_log_path: /var/log/envoy_admin_access.log
address:
socket_address:
address: 0.0.0.0
port_value: 9901
node:
id: "id_01"
cluster: "cluster_01"
static_resources:
listeners:
- name: mtls-listener
address:
socket_address:
address: 0.0.0.0
port_value: 8000
filter_chains:
- filters:
- name: envoy.http_connection_manager
config:
idle_timeout: 1s
forward_client_cert_details: sanitize_set
set_current_client_cert_details:
uri: true
codec_type: auto
access_log:
- name: envoy.file_access_log
config:
path: "/var/log/envoy_access.log"
stat_prefix: ingress_http
route_config:
name: local_route
virtual_hosts:
- name: local_service
domains: ["*"]
routes:
- match:
prefix: "/"
route:
cluster: news-backend
http_filters:
- name: envoy.ext_authz
config:
failure_mode_allow: false
grpc_service:
google_grpc:
target_uri: 127.0.0.1:20000
stat_prefix: ext_authz
timeout: 0.5s
- name: envoy.router
tls_context:
common_tls_context:
tls_certificate_sds_secret_configs:
- name: "spiffe://example.org/news-backend"
sds_config:
api_config_source:
api_type: GRPC
grpc_services:
envoy_grpc:
cluster_name: spire_agent
combined_validation_context:
default_validation_context:
verify_subject_alt_name:
- "spiffe://example.org/news-web"
validation_context_sds_secret_config:
name: "spiffe://example.org"
sds_config:
api_config_source:
api_type: GRPC
grpc_services:
envoy_grpc:
cluster_name: spire_agent
clusters:
- name: spire_agent
connect_timeout: 0.25s
http2_protocol_options: {}
hosts:
- pipe:
path: /run/spire/sockets/agent.sock
- name: news-backend
connect_timeout: 0.25s
type: strict_dns
lb_policy: ROUND_ROBIN
hosts:
- socket_address:
address: 127.0.0.1
port_value: 10000
---
apiVersion: v1
kind: ConfigMap
metadata:
name: news-backend-nginx-config
namespace: default
data:
default.conf: |
server {
listen 10000;
server_name localhost;
location = /data {
return 200 "Hi news-backend client!";
}
location = /admin {
return 200 "Hi news-backend administrator!";
}
}
---
apiVersion: v1
kind: ConfigMap
metadata:
name: news-backend-opa-config
namespace: default
data:
config.yaml: |
plugins:
envoy_ext_authz_grpc:
addr: :20000
query: data.envoy.authz.allow
policy.rego: |
package envoy.authz
import input.attributes.request.http as http_request
import input.attributes.source.address as source_address
default allow = false
allow {
http_request.path == "/data"
http_request.method == "GET"
svc_spiffe_id == "spiffe://example.org/news-web"
}
svc_spiffe_id = client_id {
[_, _, uri_type_san] := split(http_request.headers["x-forwarded-client-cert"], ";")
[_, client_id] := split(uri_type_san, "=")
}
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: news-backend
namespace: default
spec:
replicas: 1
selector:
matchLabels:
app: news-backend
template:
metadata:
labels:
app: news-backend
spec:
containers:
- name: envoy
image: envoyproxy/envoy:v1.12.2
command: ["/usr/local/bin/envoy"]
args: ["--config-path","/etc/envoy/envoy.yaml"]
ports:
- containerPort: 8000
volumeMounts:
- name: news-backend-envoy-config
mountPath: /etc/envoy
readOnly: true
- name: spire-agent-socket
mountPath: /run/spire/sockets
readOnly: true
- name: news-backend
image: nginx:1.17.6
ports:
- containerPort: 10000
volumeMounts:
- name: news-backend-nginx-config
mountPath: /etc/nginx/conf.d
readOnly: true
- name: opa
image: openpolicyagent/opa:0.15.1-istio
args: ["run","--server","--config-file","/etc/opa/config.yaml","/etc/opa/policy.rego"]
ports:
- containerPort: 20000
volumeMounts:
- name: news-backend-opa-config
mountPath: /etc/opa
readOnly: true
- name: spire-agent-socket
mountPath: /run/spire/sockets
readOnly: true
volumes:
- name: news-backend-envoy-config
configMap:
name: news-backend-envoy-config
- name: spire-agent-socket
hostPath:
path: /run/spire/sockets
type: Directory
- name: news-backend-nginx-config
configMap:
name: news-backend-nginx-config
- name: news-backend-opa-config
configMap:
name: news-backend-opa-config
---
apiVersion: v1
kind: Service
metadata:
name: news-backend
namespace: default
spec:
type: NodePort
ports:
- name: envoy-port
port: 8000
targetPort: 8000
- name: envoy-admin-port
port: 9901
targetPort: 9901
selector:
app: news-backend