ci: add an msvc 2017 test

Tests disabled for now, till some quirks are worked out.
Thi should be good enough to at least not break the build though.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/701>

.gitlab-ci.yml

@@ -38,6 +38,13 @@ workflow:
 
 variables:
   FDO_UPSTREAM_REPO: gstreamer/gstreamer-rs
+
+  # DIY CI-templates like setup for windows
+  WINDOWS_RUST_MINIMUM_IMAGE: "$CI_REGISTRY_IMAGE/windows:$GST_RS_IMG_TAG-main-$GST_RS_MSRV"
+  WINDOWS_RUST_MINIMUM_UPSTREAM_IMAGE: "$CI_REGISTRY/$GST_UPSTREAM_REPO/windows:$GST_RS_IMG_TAG-main-$GST_RS_MSRV"
+  WINDOWS_RUST_STABLE_IMAGE: "$CI_REGISTRY_IMAGE/windows:$GST_RS_IMG_TAG-main-$GST_RS_STABLE"
+  WINDOWS_RUST_STABLE_UPSTREAM_IMAGE: "$CI_REGISTRY/$GST_UPSTREAM_REPO/windows:$GST_RS_IMG_TAG-main-$GST_RS_STABLE"
+
   RUST_DOCS_FLAGS: "--extern-html-root-url=muldiv=https://docs.rs/muldiv/1.0.0/muldiv/ -Z unstable-options"
   NAMESPACE: gstreamer
   # format is <branch>=<name>
@@ -497,3 +504,85 @@ pages:
   rules:
     - if: ($CI_DEFAULT_BRANCH == $CI_COMMIT_BRANCH) && ($CI_PROJECT_NAMESPACE == $NAMESPACE)
       when: 'manual'
+
+
+.windows rust docker build:
+  stage: 'container-final'
+  variables:
+    # Unlike the buildah/linux jobs, this file
+    # needs to be relative to windows-docker/ subdir
+    # as it makes life easier in the powershell script
+    #
+    # We also don't need a CONTEXT_DIR var as its also
+    # hardcoded to be windows-docker/
+    DOCKERFILE: 'ci/windows-docker/Dockerfile'
+    GST_UPSTREAM_BRANCH: 'main'
+  tags:
+    - 'windows'
+    - 'shell'
+    - '2022'
+  script:
+    # We need to pass an array and to resolve the env vars, so we can't use a variable:
+    - $DOCKER_BUILD_ARGS = @("--build-arg", "DEFAULT_BRANCH=$GST_UPSTREAM_BRANCH", "--build-arg", "RUST_VERSION=$RUST_VERSION")
+
+    - "& ci/windows-docker/container.ps1 $CI_REGISTRY $CI_REGISTRY_USER $CI_REGISTRY_PASSWORD $RUST_IMAGE $RUST_UPSTREAM_IMAGE $DOCKERFILE"
+    - |
+      if (!($?)) {
+        echo "Failed to build the image"
+        Exit 1
+      }
+
+windows rust docker stable:
+  extends: '.windows rust docker build'
+  variables:
+    RUST_IMAGE: !reference [variables, "WINDOWS_RUST_STABLE_IMAGE"]
+    RUST_UPSTREAM_IMAGE: !reference [variables, "WINDOWS_RUST_STABLE_UPSTREAM_IMAGE"]
+    RUST_VERSION: !reference [variables, "GST_RS_STABLE"]
+
+windows rust docker msrv:
+  extends: '.windows rust docker build'
+  variables:
+    RUST_IMAGE: !reference [variables, "WINDOWS_RUST_MINIMUM_IMAGE"]
+    RUST_UPSTREAM_IMAGE: !reference [variables, "WINDOWS_RUST_MINIMUM_UPSTREAM_IMAGE"]
+    RUST_VERSION: !reference [variables, "GST_RS_MSRV"]
+
+.msvc2019 build:
+  stage: 'test'
+  tags:
+    - 'docker'
+    - 'windows'
+    - '2022'
+  script:
+    - $env:Path += ';C:\bin\'
+
+    - cmd.exe /C "C:\BuildTools\Common7\Tools\VsDevCmd.bat -host_arch=amd64 -arch=amd64 &&
+        cargo build --all &&
+        cargo build --tests --all"
+    - |
+      if (!$?) {
+        Write-Host "Failed to build!"
+        Exit 1
+      }
+
+    - cmd.exe /C "C:\BuildTools\Common7\Tools\VsDevCmd.bat -host_arch=amd64 -arch=amd64 &&
+        cargo test --workspace --no-fail-fast -- --skip 'cross_validate_constants_with_c' --skip 'cross_validate_layout_with_c'"
+
+    - |
+      if (!$?) {
+        Write-Host "Tests Failed!"
+        Exit 1
+      }
+
+test windows msrv:
+  image: $WINDOWS_RUST_MINIMUM_IMAGE
+  needs:
+    - job: 'windows rust docker msrv'
+      artifacts: false
+  extends: '.msvc2019 build'
+
+test windows stable:
+  needs:
+    - job: 'windows rust docker stable'
+      artifacts: false
+  image: "$WINDOWS_RUST_STABLE_IMAGE"
+  extends: '.msvc2019 build'

ci/windows-docker/Dockerfile

@@ -0,0 +1,18 @@
+# escape=`
+
+FROM "registry.freedesktop.org/gstreamer/gstreamer/amd64/windows:2022-05-16.1-main"
+
+# Make sure any failure in PowerShell is fatal
+ENV ErrorActionPreference='Stop'
+SHELL ["powershell","-NoLogo", "-NonInteractive", "-Command"]
+
+ARG DEFAULT_BRANCH="main"
+ARG RUST_VERSION="invalid"
+
+COPY install_gst.ps1 C:\
+RUN C:\install_gst.ps1
+RUN choco install -y pkgconfiglite
+ENV PKG_CONFIG_PATH="C:/lib/pkgconfig"
+
+RUN Invoke-WebRequest -Uri https://win.rustup.rs/x86_64 -OutFile C:\rustup-init.exe
+RUN C:\rustup-init.exe -y --profile minimal --default-toolchain $env:RUST_VERSION

ci/windows-docker/container.ps1

@@ -0,0 +1,60 @@
+# Copied from mesa, big kudos
+#
+# https://gitlab.freedesktop.org/mesa/mesa/-/blob/master/.gitlab-ci/windows/mesa_container.ps1
+# https://gitlab.freedesktop.org/mesa/mesa/-/blob/34e3e164936d1d3cef267da7780e87f062fedf39/.gitlab-ci/windows/mesa_container.ps1
+
+# Implements the equivalent of ci-templates container-ifnot-exists, using
+# Docker directly as we don't have buildah/podman/skopeo available under
+# Windows, nor can we execute Docker-in-Docker
+$registry_uri = $args[0]
+$registry_username = $args[1]
+$registry_password = $args[2]
+$registry_user_image = $args[3]
+$registry_central_image = $args[4]
+$dockerfile = $args[5]
+
+docker --config "windows-docker.conf" login -u "$registry_username" -p "$registry_password" "$registry_uri"
+if (!$?) {
+  Write-Host "docker login failed to $registry_uri"
+  Exit 1
+}
+
+# if the image already exists, don't rebuild it
+docker --config "windows-docker.conf" pull "$registry_user_image"
+if ($?) {
+  Write-Host "User image $registry_user_image already exists; not rebuilding"
+  docker --config "windows-docker.conf" logout "$registry_uri"
+  Exit 0
+}
+
+# if the image already exists upstream, copy it
+docker --config "windows-docker.conf" pull "$registry_central_image"
+if ($?) {
+  Write-Host "Copying central image $registry_central_image to user image $registry_user_image"
+  docker --config "windows-docker.conf" tag "$registry_central_image" "$registry_user_image"
+  docker --config "windows-docker.conf" push "$registry_user_image"
+  $pushstatus = $?
+  docker --config "windows-docker.conf" logout "$registry_uri"
+  if (!$pushstatus) {
+    Write-Host "Pushing image to $registry_user_image failed"
+    Exit 1
+  }
+  Exit 0
+}
+
+Write-Host "No image found at $registry_user_image or $registry_central_image; rebuilding"
+docker --config "windows-docker.conf" build $DOCKER_BUILD_ARGS --no-cache -t "$registry_user_image" -f "$dockerfile" "./ci/windows-docker"
+if (!$?) {
+  Write-Host "Container build failed"
+  docker --config "windows-docker.conf" logout "$registry_uri"
+  Exit 1
+}
+Get-Date
+
+docker --config "windows-docker.conf" push "$registry_user_image"
+$pushstatus = $?
+docker --config "windows-docker.conf" logout "$registry_uri"
+if (!$pushstatus) {
+  Write-Host "Pushing image to $registry_user_image failed"
+  Exit 1
+}

ci/windows-docker/install_gst.ps1

@@ -0,0 +1,61 @@
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;
+
+# Download gstreamer and all its subprojects
+git clone -b $env:DEFAULT_BRANCH --depth 1 https://gitlab.freedesktop.org/gstreamer/gstreamer.git C:\gstreamer
+if (!$?) {
+  Write-Host "Failed to clone gstreamer"
+  Exit 1
+}
+
+Set-Location C:\gstreamer
+
+# Copy the cache we already have in the image to avoid massive redownloads
+Move-Item C:/subprojects/*  C:\gstreamer\subprojects
+
+if (!$?) {
+  Write-Host "Failed to copy subprojects cache"
+  Exit 1
+}
+
+# Update the subprojects cache
+Write-Output "Running meson subproject reset"
+meson subprojects update --reset
+
+if (!$?) {
+  Write-Host "Failed to reset subprojects state"
+  Exit 1
+}
+
+$env:MESON_ARGS = "-Dglib:installed_tests=false " +
+    "-Dlibnice:tests=disabled " +
+    "-Dlibnice:examples=disabled " +
+    "-Dffmpeg:tests=disabled " +
+    "-Dopenh264:tests=disabled " +
+    "-Dpygobject:tests=false " +
+    "-Dugly=enabled " +
+    "-Dbad=enabled " +
+    "-Dges=enabled " +
+    "-Drtsp_server=enabled " +
+    "-Ddevtools=enabled " +
+    "-Dsharp=disabled " +
+    "-Dpython=disabled " +
+    "-Dlibav=disabled " +
+    "-Dvaapi=disabled " +
+    "-Dgst-plugins-base:pango=enabled " +
+    "-Dgst-plugins-good:cairo=enabled " +
+    "-Dgpl=enabled "
+
+Write-Output "Building gst"
+cmd.exe /C "C:\BuildTools\Common7\Tools\VsDevCmd.bat -host_arch=amd64 -arch=amd64 && meson _build $env:MESON_ARGS && meson compile -C _build && ninja -C _build install"
+
+if (!$?) {
+  Write-Host "Failed to build and install gst"
+  Exit 1
+}
+
+cd C:\
+cmd /c rmdir /s /q  C:\gstreamer
+if (!$?) {
+  Write-Host "Failed to remove gst checkout"
+  Exit 1
+}