add ENVOY_UID

because we cannot bind to 80 port for envoy since envoyproxy/envoy#11323 envoyproxy/envoy#11506
kenju · Jul 5, 2020 · 33a80c4 · 33a80c4
1 parent 77e086a
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diff --git a/envoy-lua-filters/README.md b/envoy-lua-filters/README.md
@@ -9,13 +9,13 @@ PoC for this issue: https://github.com/envoyproxy/envoy/issues/4724
 ## Implementation
 
 - `envoy`
- - cURL request to this envoy container, then it will proxy request to the `app` container
- - A proxy where Lua's HTTP Filter comes in, which print out HTTP body to stdout
+  - cURL request to this envoy container, then it will proxy request to the `app` container
+  - A proxy where Lua's HTTP Filter comes in, which print out HTTP body to stdout
 - `app`
- - simple http-echo server
+  - simple http-echo server
 - `log-service`
- - build from sinatra, but this can be anything (e.g. fluentd, RDBMS, NoSQL, File systems, ...)
- - `envoy` container will hook HTTP request, then does HTTP request using [`httpCall()`](https://www.envoyproxy.io/docs/envoy/v1.9.0/configuration/http_filters/lua_filter#httpcall)
+  - build from sinatra, but this can be anything (e.g. fluentd, RDBMS, NoSQL, File systems, ...)
+  - `envoy` container will hook HTTP request, then does HTTP request using [`httpCall()`](https://www.envoyproxy.io/docs/envoy/v1.9.0/configuration/http_filters/lua_filter#httpcall)
 
 ### NOTE
 
@@ -25,50 +25,42 @@ This repository was initially based on [envoy's official Lua HTTP Filter sample]
 
 Run docker containers as follows:
 
-```
-make run
-```
+ make run
 
 Send cURL request to local app container:
 
-```
-make curl
-```
+ make curl
 
 Look for the log output as follows:
 
-```
-output:
-envoy_1 | [2019-09-20 13:34:38.503][19][debug][lua] [source/extensions/filters/http/lua/lua_filter.cc:589] script log: {
-envoy_1 | "path": "/",
-envoy_1 | "headers": {
-envoy_1 | "host": "localhost:8000",
-envoy_1 | "user-agent": "curl/7.54.0",
-envoy_1 | "accept": "*/*",
-envoy_1 | "x-forwarded-proto": "http",
-envoy_1 | "x-request-id": "7bbcd056-bb7e-4c24-8f32-9abb5f7c45d3",
-envoy_1 | "x-envoy-expected-rq-timeout-ms": "15000",
-envoy_1 | "content-length": "0"
-envoy_1 | },
-envoy_1 | "method": "GET",
-envoy_1 | "body": "",
-envoy_1 | "fresh": false,
-envoy_1 | "hostname": "localhost",
-envoy_1 | "ip": "::ffff:172.19.0.4",
-envoy_1 | "ips": [],
-envoy_1 | "protocol": "http",
-envoy_1 | "query": {},
-envoy_1 | "subdomains": [],
-envoy_1 | "xhr": false,
-envoy_1 | "os": {
-envoy_1 | "hostname": "129329f6b030"
-envoy_1 | }
-envoy_1 | }
-```
+ output:
+ envoy_1 | [2019-09-20 13:34:38.503][19][debug][lua] [source/extensions/filters/http/lua/lua_filter.cc:589] script log: {
+ envoy_1 | "path": "/",
+ envoy_1 | "headers": {
+ envoy_1 | "host": "localhost:8000",
+ envoy_1 | "user-agent": "curl/7.54.0",
+ envoy_1 | "accept": "*/*",
+ envoy_1 | "x-forwarded-proto": "http",
+ envoy_1 | "x-request-id": "7bbcd056-bb7e-4c24-8f32-9abb5f7c45d3",
+ envoy_1 | "x-envoy-expected-rq-timeout-ms": "15000",
+ envoy_1 | "content-length": "0"
+ envoy_1 | },
+ envoy_1 | "method": "GET",
+ envoy_1 | "body": "",
+ envoy_1 | "fresh": false,
+ envoy_1 | "hostname": "localhost",
+ envoy_1 | "ip": "::ffff:172.19.0.4",
+ envoy_1 | "ips": [],
+ envoy_1 | "protocol": "http",
+ envoy_1 | "query": {},
+ envoy_1 | "subdomains": [],
+ envoy_1 | "xhr": false,
+ envoy_1 | "os": {
+ envoy_1 | "hostname": "129329f6b030"
+ envoy_1 | }
+ envoy_1 | }
 
 This request is proxied to log-service using [httpCall()](https://www.envoyproxy.io/docs/envoy/v1.9.0/configuration/http_filters/lua_filter#httpcall) as well:
 
-```
-log-service_1 | I, [2019-09-20T13:34:38.508823 #1] INFO -- : "{\n \"path\": \"/\",\n \"headers\": {\n \"host\": \"localhost:8000\",\n \"user-agent\": \"curl/7.54.0\",\n \"accept\": \"*/*\",\n \"x-forwarded-proto\": \"http\",\n \"x-request-id\": \"7bbcd056-bb7e-4c24-8f32-9abb5f7c45d3\",\n \"x-envoy-expected-rq-timeout-ms\": \"15000\",\n \"content-length\": \"0\"\n },\n \"method\": \"GET\",\n \"body\": \"\",\n \"fresh\": false,\n \"hostname\": \"localhost\",\n \"ip\": \"::ffff:172.19.0.4\",\n \"ips\": [],\n \"protocol\": \"http\",\n \"query\": {},\n \"subdomains\": [],\n \"xhr\": false,\n \"os\": {\n \"hostname\": \"129329f6b030\"\n }\n}"
-log-service_1 | 172.19.0.4 - - [20/Sep/2019:13:34:38 +0000] "POST /log HTTP/1.1" 200 - 0.0052
-```
+ log-service_1 | I, [2019-09-20T13:34:38.508823 #1] INFO -- : "{\n \"path\": \"/\",\n \"headers\": {\n \"host\": \"localhost:8000\",\n \"user-agent\": \"curl/7.54.0\",\n \"accept\": \"*/*\",\n \"x-forwarded-proto\": \"http\",\n \"x-request-id\": \"7bbcd056-bb7e-4c24-8f32-9abb5f7c45d3\",\n \"x-envoy-expected-rq-timeout-ms\": \"15000\",\n \"content-length\": \"0\"\n },\n \"method\": \"GET\",\n \"body\": \"\",\n \"fresh\": false,\n \"hostname\": \"localhost\",\n \"ip\": \"::ffff:172.19.0.4\",\n \"ips\": [],\n \"protocol\": \"http\",\n \"query\": {},\n \"subdomains\": [],\n \"xhr\": false,\n \"os\": {\n \"hostname\": \"129329f6b030\"\n }\n}"
+ log-service_1 | 172.19.0.4 - - [20/Sep/2019:13:34:38 +0000] "POST /log HTTP/1.1" 200 - 0.0052
diff --git a/envoy-lua-filters/app/Dockerfile b/envoy-lua-filters/app/Dockerfile
diff --git a/envoy-lua-filters/docker-compose.yaml b/envoy-lua-filters/docker-compose.yaml
@@ -1,9 +1,7 @@
 version: "3.7"
 services:
-
  app:
- build:
- context: './app'
+ image: solsson/http-echo
  networks:
  envoymesh:
  aliases:
@@ -12,7 +10,6 @@ services:
  - "80"
  ports:
  - "8080:80"
-
  envoy:
  build:
  context: './envoy'
@@ -24,7 +21,8 @@ services:
  ports:
  - "8000:80"
  - "8001:8001"
-
+ environment:
+ - "ENVOY_UID=0" # https://github.com/envoyproxy/envoy/pull/11323
  log-service:
  build:
  context: './log-service'