Add tests for MemcacheD storage backend (openstreetmap#362)

_Also_:
* Added background `renderd` process testing
* Added `renderd` section without `stats_file` testing
* Added `render_*` via TCP tests
* Added `render_* --verbose`  tests
* Added `render_expired --delete-from` tests
* Added `render_expired --no-progress` tests
* Added `render_expired --touch-from` tests
* Added `PARAMETERIZE_STYPE=language` map configuration testing
* Added `HTCPHOST`/`HOST` map configuration testing

.github/actions/cmake/test/action.yml

@@ -1,4 +1,8 @@
 ---
+inputs:
+  options:
+    default: --exclude-regex 'clear_dirs_.+|remove_tile_.+' --output-on-failure
+
 runs:
   using: composite
   steps:
@@ -10,7 +14,7 @@ runs:
       shell: bash --noprofile --norc -euxo pipefail {0}
 
     - name: Test `mod_tile`
-      run: ctest --exclude-regex 'clear_dirs|remove_tiles' --output-on-failure
+      run: ctest ${{ inputs.options }}
       shell: bash --noprofile --norc -euxo pipefail {0}
       working-directory: build
 

.github/workflows/coverage.yml

@@ -26,7 +26,9 @@ jobs:
         with:
           ubuntu-test-dependencies: >-
             apache2
+            jq
             lcov
+            memcached
 
       - name: Build `mod_tile`
         uses: ./.github/actions/cmake/build
@@ -36,7 +38,6 @@ jobs:
 
       - name: Process `mod_tile` coverage results
         run: |
-          ctest -T coverage
           lcov \
             --capture \
             --directory . \

docker/debian/Dockerfile

@@ -27,7 +27,8 @@ RUN --mount=id=debian:${debian_version}-/var/cache/apt,sharing=locked,target=/va
         libiniparser-dev \
         libmapnik-dev \
         libmemcached-dev \
-        librados-dev
+        librados-dev \
+        netbase
 
 ## Build, Test & Install `mod_tile`
 COPY . /tmp/mod_tile_src

docker/ubuntu/Dockerfile

@@ -27,7 +27,8 @@ RUN --mount=id=ubuntu:${ubuntu_version}-/var/cache/apt,sharing=locked,target=/va
         libiniparser-dev \
         libmapnik-dev \
         libmemcached-dev \
-        librados-dev
+        librados-dev \
+        netbase
 
 ## Build, Test & Install `mod_tile`
 COPY . /tmp/mod_tile_src