/
envoy_front_proxy.template.yaml
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/
envoy_front_proxy.template.yaml
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{% import 'routing_helper.template.yaml' as helper -%}
{% macro router_file_content() -%}{% include kwargs['router_file'] -%}{% endmacro -%}
{% macro listener(protocol, address, port_value, proxy_proto, tls, tracing) -%}
name: not_required_for_static_listeners
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:
{% 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:
alpn_protocols: h2,http/1.1
tls_certificates:
- certificate_chain:
filename: certs/servercert.pem
private_key:
filename: certs/serverkey.pem
{% if kwargs.get('pin_double_proxy_client', False) %}
validation_context:
trusted_ca:
filename: certs/cacert.pm
#This should be the hash of the /etc/envoy/envoy-double-proxy.pem cert used in the
#double proxy configuration.
verify_certificate_hash: "0000000000000000000000000000000000000000000000000000000000000000"
{% endif %}
{%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
{% if proxy_proto -%}
use_remote_address: true
{%endif-%}
stat_prefix: ingress_http
route_config:
{{ router_file_content(router_file='envoy_router.template.yaml')|indent(10) }}
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:
- name: ":path"
exact_match: "/healthcheck"
- 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.ratelimit
typed_config:
"@type": type.googleapis.com/envoy.extensions.filters.http.ratelimit.v3.RateLimit
domain: envoy_front
request_type: external
rate_limit_service:
transport_api_version: V3
grpc_service:
envoy_grpc:
cluster_name: ratelimit
- name: envoy.filters.http.router
typed_config: {}
add_user_agent: true
{% if tracing %}
tracing:
provider:
name: envoy.tracers.lightstep
typed_config:
"@type": type.googleapis.com/envoy.config.trace.v3.LightstepConfig
collector_cluster: lightstep_saas
access_token_file: "/etc/envoy/lightstep_access_token"
{% 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"
{% endmacro -%}
static_resources:
listeners:
# TCP listeners for public HTTP/HTTPS endpoints. 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) }}
- {{ listener("TCP", "0.0.0.0", "9301", True, True, tracing)|indent(2) }}
# TCP listener for backhaul traffic from the double proxy.
# See envoy_double_proxy.template.json
- {{ listener("TCP", "0.0.0.0", "9400", True, True, tracing, pin_double_proxy_client=True)|indent(2) }}
clusters:
- name: sds
type: STRICT_DNS
connect_timeout: 0.25s
lb_policy: ROUND_ROBIN
load_assignment:
cluster_name: sds
endpoints:
- lb_endpoints:
- endpoint:
address:
socket_address:
address: discovery.yourcompany.net
port_value: 80
protocol: TCP
- name: statsd
type: STATIC
connect_timeout: 0.25s
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: lightstep_saas
type: LOGICAL_DNS
connect_timeout: 1s
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: {}
{% for service, options in clusters.items() -%}
- {{ helper.internal_cluster_definition(service, options)|indent(2) }}
{% endfor %}
cluster_manager:
outlier_detection:
event_log_path: /var/log/envoy/outlier_events.log
flags_path: /etc/envoy/flags
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: 0.0.0.0
port_value: 9901