e2e: build and install trust plugin

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

Dockerfile

@@ -74,6 +74,16 @@ RUN --mount=type=bind,target=.,ro \
     TARGET=/out ./scripts/build/binary && \
     xx-verify $([ "$GO_LINKMODE" = "static" ] && echo "--static") /out/docker
 
+FROM build-${BASE_VARIANT} AS build-trust-plugin
+ARG GO_LINKMODE=static
+ARG GO_BUILDTAGS
+ARG GO_STRIP
+ARG CGO_ENABLED
+ARG VERSION
+RUN --mount=ro --mount=type=cache,target=/root/.cache \
+    xx-go --wrap && \
+    TARGET=/out ./scripts/build/trust-plugin
+
 FROM build-${BASE_VARIANT} AS test
 COPY --link --from=gotestsum /out/gotestsum /usr/bin/gotestsum
 ENV GO111MODULE=auto
@@ -111,6 +121,7 @@ COPY --link e2e/testdata/notary/root-ca.cert /usr/share/ca-certificates/notary.c
 RUN echo 'notary.cert' >> /etc/ca-certificates.conf && update-ca-certificates
 COPY --link --from=gotestsum /out/gotestsum /usr/bin/gotestsum
 COPY --link --from=build /out ./build/
+COPY --link --from=build-trust-plugin /out ./build/
 COPY --link --from=build-plugins /out ./build/
 COPY --link --from=buildx  /buildx         /usr/libexec/docker/cli-plugins/docker-buildx
 COPY --link --from=compose /docker-compose /usr/libexec/docker/cli-plugins/docker-compose

scripts/build/trust-plugin

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+#
+# Build plugins examples for the host OS/ARCH
+#
+
+set -eu -o pipefail
+
+# Disable CGO - we don't need it for these plugins.
+#
+# Important: this must be done before sourcing "./scripts/build/.variables",
+# because some other variables are conditionally set whether CGO is enabled.
+export CGO_ENABLED=0
+
+source ./scripts/build/.variables
+
+TARGET_PLUGIN="$(dirname "${TARGET}")/plugins-${GOOS}-${GOARCH}/docker-trust"
+mkdir -p "$(dirname "${TARGET_PLUGIN}")"
+
+echo "Building $GO_LINKMODE $(basename "${TARGET_PLUGIN}")"
+(set -x ; GO111MODULE=auto go build -o "${TARGET_PLUGIN}" -tags "${GO_BUILDTAGS}" -ldflags "${GO_LDFLAGS}" ${GO_BUILDMODE} "github.com/docker/cli/cmd/docker-trust")