dev-environment: plain-http-upstream

dev-environments/plain-http-upstream/Makefile

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+SHELL = /usr/bin/env bash -o pipefail
+.SHELLFLAGS = -ec
+.DEFAULT_GOAL := gateway
+MKFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
+WORKDIR := $(patsubst %/,%,$(dir $(MKFILE_PATH)))
+DOCKER ?= $(shell which docker 2> /dev/null || echo "docker")
+
+gateway: ## run gateway configured to access plain HTTP 1.1 upstream
+	$(DOCKER) compose -f docker-compose.yml run --service-ports gateway
+
+clean:
+	$(DOCKER) compose down --volumes --remove-orphans
+	$(DOCKER) compose -f docker-compose.yml down --volumes --remove-orphans

dev-environments/plain-http-upstream/README.md

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+# Plain HTTP 1.1 upstream
+
+APIcast --> upstream plain HTTP 1.1 upstream
+
+APIcast configured with plain HTTP 1.1 upstream server equipped with traffic rely agent (socat)
+
+## Run the gateway
+
+Running local `apicast-test` docker image
+
+```sh
+make gateway
+```
+
+Running custom apicast image
+
+```sh
+make gateway IMAGE_NAME=quay.io/3scale/apicast:latest
+```
+
+Traffic between the proxy and upstream can be inspected looking at logs from `example.com` service
+
+```
+docker compose -p plain-http-upstream logs -f example.com
+```
+
+## Testing
+
+`GET` request
+
+```sh
+curl --resolve get.example.com:8080:127.0.0.1 -v "http://get.example.com:8080/?user_key=123"
+```
+
+`POST` request
+
+```sh
+curl --resolve post.example.com:8080:127.0.0.1 -v -X POST "http://post.example.com:8080/?user_key=123"
+```
+
+## Clean env
+
+```sh
+make clean
+```

dev-environments/plain-http-upstream/apicast-config.json

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+{
+  "services": [
+    {
+      "id": "1",
+      "backend_version": "1",
+      "proxy": {
+        "hosts": ["get.example.com"],
+        "api_backend": "http://example.com/get",
+        "backend": {
+          "endpoint": "http://127.0.0.1:8081",
+          "host": "backend"
+        },
+        "policy_chain": [
+          {
+            "name": "apicast.policy.apicast"
+          }
+        ],
+        "proxy_rules": [
+          {
+            "http_method": "GET",
+            "pattern": "/",
+            "metric_system_name": "hits",
+            "delta": 1,
+            "parameters": [],
+            "querystring_parameters": {}
+          }
+        ]
+      }
+    },
+    {
+      "id": "2",
+      "backend_version": "1",
+      "proxy": {
+        "hosts": ["post.example.com"],
+        "api_backend": "http://example.com/post",
+        "backend": {
+          "endpoint": "http://127.0.0.1:8081",
+          "host": "backend"
+        },
+        "policy_chain": [
+          {
+            "name": "apicast.policy.apicast"
+          }
+        ],
+        "proxy_rules": [
+          {
+            "http_method": "POST",
+            "pattern": "/",
+            "metric_system_name": "hits",
+            "delta": 1,
+            "parameters": [],
+            "querystring_parameters": {}
+          }
+        ]
+      }
+    }
+  ]
+}

dev-environments/plain-http-upstream/docker-compose.yml

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+---
+version: '3.8'
+services:
+  gateway:
+    image: ${IMAGE_NAME:-apicast-test}
+    depends_on:
+    - example.com
+    - two.upstream
+    environment:
+      THREESCALE_CONFIG_FILE: /tmp/config.json
+      THREESCALE_DEPLOYMENT_ENV: staging
+      APICAST_CONFIGURATION_LOADER: lazy
+      APICAST_WORKERS: 1
+      APICAST_LOG_LEVEL: debug
+      APICAST_CONFIGURATION_CACHE: "0"
+    expose:
+      - "8080"
+      - "8090"
+    ports:
+      - "8080:8080"
+      - "8090:8090"
+    volumes:
+      - ./apicast-config.json:/tmp/config.json
+  example.com:
+    image: alpine/socat:1.7.4.4
+    container_name: example.com
+    command: "-d -v -d TCP-LISTEN:80,reuseaddr,fork TCP:two.upstream:80"
+    expose:
+      - "80"
+    restart: unless-stopped
+  two.upstream:
+    image: kennethreitz/httpbin
+    expose:
+      - "80"