v0.1 version: added ci, container, nginx + base apigw config

.drone.yml

@@ -0,0 +1,36 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: publish_image
+  image: plugins/docker
+  environment:
+    DOCKER_USERNAME:
+      from_secret: registry_username
+    DOCKER_PASSWORD:
+      from_secret: registry_password
+  commands:
+  - sleep 5
+  - ./deploy/image-build.sh
+  - ./deploy/image-push.sh
+  volumes:
+  - name: docker-sock
+    path: /var/run
+  when:
+    branch:
+      - master
+  
+services:
+- name: docker
+  image: docker:dind
+  privileged: true
+  volumes:
+  - name: docker-sock
+    path: /var/run
+
+volumes:
+- name: gopath
+  temp: {}
+- name: docker-sock
+  temp: {}

Dockerfile

@@ -0,0 +1,7 @@
+FROM nginx:alpine
+
+LABEL author="Piotr Biernat"
+LABEL vendor="Egommerce"
+LABEL version="1.0"
+
+COPY ./data/etc/nginx/ /etc/nginx/

README.md

@@ -1,3 +1,12 @@
 # apigw-service
 
-API Gateway - simple Nginx image with pre-configured reverse proxy's
+API Gateway - simple Nginx image with pre-configured reverse proxy's
+
+Generowanie Klucza autoryzacji
+$ openssl rand -base64 24
+
+Budowanie obrazu: 
+$ sh deploy/image-build.sh
+
+Opublikowanie obrazu:
+$ sh deploy/image-push.sh

data/etc/nginx/apigw.conf

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+include apigw_backends.conf;
+include apigw_keys.conf;
+
+server {
+    access_log /var/log/nginx/apigw_access.log main; 
+
+    listen 80;
+    # listen 443 ssl;
+    # server_name apigw_svc; # container name from stack config
+    # server_name api.example.com;
+
+    # TLS config
+    # ssl_certificate      /etc/ssl/certs/apigw.example.com.crt;
+    # ssl_certificate_key  /etc/ssl/private/apigw.example.com.key;
+    # ssl_session_cache    shared:SSL:10m;
+    # ssl_session_timeout  5m;
+    # ssl_ciphers          HIGH:!aNULL:!MD5;
+    # ssl_protocols        TLSv1.2 TLSv1.3;
+
+    # API definitions, one per file
+    include apigw_conf.d/*.conf;
+
+    # Error responses
+    # error_page 404 = @400;         # Treat invalid paths as bad requests
+    proxy_intercept_errors on;     # Do not send backend errors to client
+    include apigw_json_errors.conf;  # API client-friendly JSON errors
+    default_type application/json; # If no content-type, assume JSON
+
+    # API key validation
+    location = /_validate_apikey {
+        internal;
+
+        access_log /var/log/nginx/apigw_access.log main;
+        error_log /var/log/nginx/apigw_error.log warn;
+
+        if ($http_apikey = "") {
+            return 401; # Unauthorized
+        }
+        if ($apigw_client_name = "") {
+            return 403; # Forbidden
+        }
+
+        return 204; # OK (no content)
+    }
+}

data/etc/nginx/apigw_backends.conf

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+upstream identity_api {
+    # zone inventory_service 64k;
+    server identity_svc:8080; # container name from stack config
+}
+
+upstream basket_api {
+    # zone pricing_service 64k;
+    server basket_svc:8080; # container name from stack config
+}

data/etc/nginx/apigw_conf.d/basket_api.conf

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+# Basket API
+#
+location /api/basket/ {
+    access_log /var/log/nginx/basket_access.log main;
+    error_log /var/log/nginx/basket_error.log warn;
+    
+    auth_request /_validate_apikey;
+
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header User-Agent "api-gw"; # TMP - FIXME
+    
+    proxy_pass http://basket_api/;
+}

data/etc/nginx/apigw_conf.d/identity_api.conf

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+# Identity API
+#
+location /api/identity/ {
+    access_log /var/log/nginx/identity_access.log main;
+    error_log /var/log/nginx/identity_error.log warn;
+
+    auth_request /_validate_apikey;
+
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header User-Agent "egommerce-api-gateway/0.1"; # TMP - FIXME
+
+    proxy_pass http://identity_api/;
+}
+
+# # URI routing
+# #
+# location = /api/warehouse/inventory { # Complete inventory
+#     proxy_pass http://warehouse_inventory;
+# }
+
+# location ~ ^/api/warehouse/inventory/shelf/[^/]+$ { # Shelf inventory
+#     proxy_pass http://warehouse_inventory;
+# }
+
+# location ~ ^/api/warehouse/inventory/shelf/[^/]+/box/[^/]+$ { # Box on shelf
+#     proxy_pass http://warehouse_inventory;
+# }
+
+# location ~ ^/api/warehouse/pricing/[^/]+$ { # Price for specific item
+#     proxy_pass http://warehouse_pricing;
+# }

data/etc/nginx/apigw_json_errors.conf

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+error_page 400 = @400;
+location @400 { return 400 '{"status":400,"message":"Bad request"}\n'; }
+
+error_page 401 = @401;
+location @401 { return 401 '{"status":401,"message":"Unauthorized"}\n'; }
+
+error_page 403 = @403;
+location @403 { return 403 '{"status":403,"message":"Forbidden"}\n'; }
+
+error_page 404 = @404;
+location @404 { return 404 '{"status":404,"message":"Resource not found"}\n'; }

data/etc/nginx/apigw_keys.conf

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+map $http_apikey $apigw_client_name {
+    default "";
+
+    "R7HVf14WE5m4d5L3uv2sZU8Y" "identity_api";
+    "fd7uAN3/GKIfvFrOdfEAoo1y" "basket_api";
+}
+
+# $ openssl rand -base64 18
+# 7B5zIqmRGXmrJTFmKa99vcit

data/etc/nginx/nginx.conf

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+
+user  nginx;
+worker_processes  auto;
+
+error_log  /var/log/nginx/error.log notice;
+pid        /var/run/nginx.pid;
+
+
+events {
+    worker_connections  1024;
+}
+
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile        on;
+    #tcp_nopush     on;
+
+    keepalive_timeout  65;
+
+    #gzip  on;
+
+    include /etc/nginx/apigw.conf;
+}

deploy/image-build.sh

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+#!/bin/sh
+# RUN IN REPO ROOT DIR !!
+
+export IMAGE_NAME="git.pbiernat.dev/egommerce/apigw-svc"
+
+branch=${DRONE_TAG:=$CI_COMMIT_BRANCH}
+branch=$(echo $branch | grep -v /) || echo $branch ;
+p1=$(echo $branch | cut -d / -f1 -s) &&
+p2=$(echo $branch | cut -d / -f2 -s) &&
+tag=${branch:=$p1-$p2} && 
+echo "Building" $tag
+
+docker build --rm --cache-from "$IMAGE_NAME:latest" -t "$IMAGE_NAME:latest" .

deploy/image-push.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# RUN IN REPO ROOT DIR !!
+
+export IMAGE_NAME="git.pbiernat.dev/egommerce/apigw-svc"
+
+docker push "$IMAGE_NAME:latest"