wip

.github/actions/setup-echo-server/action.yml

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+name: setup-echo-server
+decription: |
+  This action sets up an echo server associating a name to it.
+  The name, e.g. `httpbin.org`, will be resolved to 127.0.0.1 by dnsmasq.
+
+inputs:
+  upstream_dns_server:
+    description: 'DNS server used by dnsmasq to resolve entries not yet cached'
+    required: false
+    default: '1.1.1.1'
+  echo_server_name:
+    description: 'A name dnsmasq will resolve to 127.0.0.1, e.g.: httpbin.org'
+    required: false
+
+runs:
+  using: "composite"
+  steps:
+    - run: sudo apt-get install -y dnsmasq
+      if: ${{ matrix.os == 'ubuntu-latest' || matrix.os == 'ubuntu-22.04' }}
+      shell: bash
+    - run: brew install dnsmasq
+      if: ${{ matrix.os == 'macos-latest' }}
+      shell: bash
+
+    - run: |
+        sudo systemctl stop systemd-resolved
+        sudo dnsmasq --no-hosts \
+                     --no-resolv \
+                     --server=${{ inputs.upstream_dns_server }} \
+                     --address=/${{ inputs.echo_server_name }}/127.0.0.1
+      shell: bash
+    - run: |
+        cat <<EOT >> /tmp/nginx.conf
+        server {
+            listen              80;
+            server_name         '${{ inputs.echo_server_name }}';
+
+            listen              443 ssl;
+            server_name         '${{ inputs.echo_server_name }}';
+            ssl_protocols       TLSv1.2;
+            ssl_certificate     /etc/nginx/hostname_cert.pem;
+            ssl_certificate_key /etc/nginx/hostname_key.pem;
+
+            location / {
+                proxy_pass http://httpbin;
+            }
+        }
+        EOT
+
+        docker run --name httpbin -d kennethreitz/httpbin
+        docker run --name httpbin_proxy \
+                   --link httpbin \
+                   -p 80:80 \
+                   -p 443:443 \
+                   -v /tmp/nginx.conf:/etc/nginx/nginx.conf.d/httpbin.conf:ro \
+                   -v ./t/data/hostname_cert.pem:/etc/nginx/hostname_cert.pem:ro \
+                   -v ./t/data/hostname_key.pem:/etc/nginx/hostname_key.pem:ro \
+                   -d nginx
+      shell: bash