/
envoy_double_proxy.template.yaml
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/
envoy_double_proxy.template.yaml
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{%- macro listener(protocol, address, port_value, tls, proxy_proto, tracing) -%}
- name: listener_created_from_configgen
address:
socket_address:
protocol: {{protocol}}
address: {{address}}
port_value: {{port_value}}
{% if proxy_proto %}
listener_filters:
- name: envoy.filters.listener.proxy_protocol
typed_config:
"@type": type.googleapis.com/envoy.extensions.filters.listener.proxy_protocol.v3.ProxyProtocol
{% endif %}
filter_chains:
- filter_chain_match: {}
{% if tls %}
transport_socket:
name: envoy.transport_sockets.tls
typed_config:
"@type": type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.DownstreamTlsContext
common_tls_context:
tls_certificates:
- certificate_chain:
filename: certs/servercert.pem
private_key:
filename: certs/serverkey.pem
validation_context: {}
alpn_protocols:
- h2
- http/1.1
{% endif %}
filters:
- name: envoy.filters.network.http_connection_manager
typed_config:
"@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
codec_type: AUTO
stat_prefix: router
route_config:
name: local_route
virtual_hosts:
- name: local_service
domains: ["*"]
routes:
- match:
prefix: "/"
route:
cluster: backhaul
#Generally allow front proxy to control timeout and use this as a backstop
timeout: 20s
http_filters:
- name: envoy.filters.http.health_check
typed_config:
"@type": type.googleapis.com/envoy.extensions.filters.http.health_check.v3.HealthCheck
pass_through_mode: false
headers:
- string_match:
exact: /healthcheck
name: :path
- name: envoy.filters.http.buffer
typed_config:
"@type": type.googleapis.com/envoy.extensions.filters.http.buffer.v3.Buffer
max_request_bytes: 5242880
- name: envoy.filters.http.router
typed_config:
"@type": type.googleapis.com/envoy.extensions.filters.http.router.v3.Router
{% if tracing %}
tracing:
provider:
name: envoy.tracers.lightstep
typed_config:
"@type": type.googleapis.com/envoy.config.trace.v3.LightstepConfig
access_token:
filename: "/etc/envoy/lightstep_access_token"
collector_cluster: lightstep_saas
{% endif %}
common_http_protocol_options:
idle_timeout: 840s
access_log:
- name: envoy.access_loggers.file
filter:
or_filter:
filters:
- status_code_filter:
comparison:
op: GE
value:
default_value: 500
runtime_key: access_log.access_error.status
- duration_filter:
comparison:
op: GE
value:
default_value: 1000
runtime_key: access_log.access_error.duration
- traceable_filter: {}
typed_config:
"@type": type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog
path: /var/log/envoy/access_error.log
log_format:
text_format_source:
inline_string: "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%REQ(X-LYFT-USER-ID)%\" \"%RESP(GRPC-STATUS)%\"\n"
{% if proxy_proto %}
use_remote_address: true
{%endif -%}
{% endmacro -%}
static_resources:
listeners:
# TCP listener for external port 443 (TLS). Assumes a TCP LB in front such as ELB which
# supports proxy proto
{{ listener("TCP", "0.0.0.0",9300,True, True, tracing)|indent(2) }}
# TCP listener for external port 80 (non-TLS). Assumes a TCP LB in front such as ELB which
# supports proxy proto.
{{ listener("TCP", "0.0.0.0",9301,False, True, tracing)|indent(2) }}
clusters:
- name: statsd
type: STATIC
lb_policy: ROUND_ROBIN
load_assignment:
cluster_name: statsd
endpoints:
- lb_endpoints:
- endpoint:
address:
socket_address:
address: 127.0.0.1
port_value: 8125
protocol: TCP
- name: backhaul
type: STRICT_DNS
lb_policy: ROUND_ROBIN
load_assignment:
cluster_name: backhaul
endpoints:
- lb_endpoints:
- endpoint:
address:
socket_address:
address: front-proxy.yourcompany.net
port_value: 9400
protocol: TCP
transport_socket:
name: envoy.transport_sockets.tls
typed_config:
"@type": type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext
common_tls_context:
tls_certificates:
- certificate_chain:
filename: certs/clientcert.pem
private_key:
filename: certs/clientkey.pem
validation_context:
trusted_ca:
filename: certs/cacert.pem
match_typed_subject_alt_names:
- san_type: DNS
matcher:
exact: "front-proxy.yourcompany.net"
typed_extension_protocol_options:
envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
"@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
explicit_http_config:
http2_protocol_options: {}
common_http_protocol_options:
# There are so few connections going back
# that we can get some imbalance. Until we come up
# with a better solution just limit the requests
# so we can cycle and get better spread.
max_requests_per_connection: 25000
- name: lightstep_saas
type: LOGICAL_DNS
lb_policy: ROUND_ROBIN
load_assignment:
cluster_name: lightstep_saas
endpoints:
- lb_endpoints:
- endpoint:
address:
socket_address:
address: collector-grpc.lightstep.com
port_value: 443
protocol: TCP
typed_extension_protocol_options:
envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
"@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
explicit_http_config:
http2_protocol_options: {}
transport_socket:
name: envoy.transport_sockets.tls
typed_config:
"@type": type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext
common_tls_context:
validation_context:
trusted_ca:
filename: certs/cacert.pem
match_typed_subject_alt_names:
- san_type: DNS
matcher:
exact: "collector-grpc.lightstep.com"
flags_path: "/etc/envoy/flags"
stats_sinks:
- name: envoy.stat_sinks.statsd
typed_config:
"@type": type.googleapis.com/envoy.config.metrics.v3.StatsdSink
tcp_cluster_name: statsd
layered_runtime:
layers:
- name: root
disk_layer:
symlink_root: /srv/configset/envoydata/current
subdirectory: envoy
- name: override
disk_layer:
symlink_root: /srv/configset/envoydata/current
subdirectory: envoy_override
append_service_cluster: true
- name: admin
admin_layer: {}
admin:
address:
socket_address:
protocol: TCP
address: 127.0.0.1
port_value: 9901