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Envoy as TCP proxy: helpful config parts
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## Server configuration example | |
# | |
# In our relal case we have x4 address block in listener and x4 name block in cluster | |
# | |
static_resources: | |
listeners: | |
- address: | |
socket_address: | |
address: 0.0.0.0 | |
port_value: 21211 | |
filter_chains: | |
- filters: | |
- name: envoy.tcp_proxy | |
config: | |
stat_prefix: aws-prod-memcached-node-1 | |
cluster: aws-prod-memcached-node-1 | |
idle_timeout: { seconds: 600 } | |
max_connect_attempts: 3 | |
access_log: | |
- name: envoy.file_access_log | |
config: | |
path: /dev/stdout | |
tls_context: | |
common_tls_context: | |
tls_certificates: | |
- certificate_chain: | |
filename: "/etc/envoy/certs/aws-prod-envoy.blah.com.crt" | |
private_key: | |
filename: "/etc/envoy/certs/aws-prod-envoy.blah.com.key" | |
validation_context: | |
trusted_ca: | |
filename: "/etc/ssl/certs/ca-certificates.crt" | |
clusters: | |
- name: aws-prod-memcached-node-1 | |
connect_timeout: 10s | |
type: strict_dns | |
dns_refresh_rate: 60s | |
lb_policy: round_robin | |
hosts: | |
- socket_address: | |
address: elite-aws-prod-memcached-node-aws-prod-0.blah.com | |
port_value: 11211 | |
health_checks: | |
- timeout: 10s | |
interval: 60s | |
unhealthy_threshold: 10 | |
healthy_threshold: 5 | |
tcp_health_check: | |
send: {text: '0101'} | |
always_log_health_check_failures: true | |
admin: | |
access_log_path: "/dev/null" | |
address: | |
socket_address: | |
address: 0.0.0.0 | |
port_value: 8082 | |
## Client configuration example | |
# | |
# In our relal case we have x4 address block in listener and x4 name block in cluster | |
# | |
static_resources: | |
listeners: | |
- address: | |
socket_address: | |
address: 0.0.0.0 | |
port_value: 21211 | |
protocol: TCP | |
filter_chains: | |
- filters: | |
- name: envoy.tcp_proxy | |
config: | |
stat_prefix: aws-prod-memcached-node-1 | |
cluster: aws-prod-memcached-node-1 | |
max_connect_attempts: 3 | |
access_log: | |
- name: envoy.file_access_log | |
config: | |
path: /dev/stdout | |
clusters: | |
- name: aws-prod-memcached-node-1 | |
connect_timeout: 1s | |
type: strict_dns | |
lb_policy: round_robin | |
hosts: | |
- socket_address: | |
address: aws-prod-envoy-1.blah.com | |
port_value: 21211 | |
- socket_address: | |
address: aws-prod-envoy-2.blah.com | |
port_value: 21211 | |
tls_context: | |
common_tls_context: | |
tls_certificates: | |
- certificate_chain: | |
filename: "/etc/envoy/certs/aws-prod-envoy.blah.com.crt" | |
private_key: | |
filename: "/etc/envoy/certs/aws-prod-envoy.blah.com.key" | |
validation_context: | |
trusted_ca: | |
filename: "/etc/ssl/certs/ca-certificates.crt" | |
verify_subject_alt_name: | |
- aws-prod-envoy.blah.com | |
health_checks: | |
- timeout: 10s | |
interval: 60s | |
unhealthy_threshold: 10 | |
healthy_threshold: 5 | |
tcp_health_check: | |
send: {text: '0101'} | |
always_log_health_check_failures: true | |
admin: | |
access_log_path: "/dev/null" | |
address: | |
socket_address: | |
address: 0.0.0.0 | |
port_value: 8081 |
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