feat: add proxy config flag

Signed-off-by: loganasherjones <loganasherjones@gmail.com>

graalvm/nativeimage/rules.bzl

@@ -83,6 +83,7 @@ def native_image(
  native_image_tool = None, # uses toolchains by default
  native_image_settings = [_DEFAULT_NATIVE_IMAGE_SETTINGS],
  resource_configuration = None,
+ proxy_configuration = None,
  profiles = [],
  **kwargs):
  """Generates and compiles a GraalVM native image from a Java library target.
@@ -117,6 +118,7 @@ def native_image(
  native_image_settings: Suite(s) of Native Image build settings to use.
  profiles: Profiles to use for profile-guided optimization (PGO) and obtained from a native image compiled with `--pgo-instrument`.
  resource_configuration: Resource configuration file. No default; optional.
+ proxy_configuration: Proxy configuration file. No default; optional.
  **kwargs: Extra keyword arguments are passed to the underlying `native_image` rule.
  """
 
@@ -144,5 +146,6 @@ def native_image(
  native_image_settings = native_image_settings,
  profiles = profiles,
  resource_configuration = resource_configuration,
+ proxy_configuration = proxy_configuration,
  **kwargs
  )

internal/native_image/builder.bzl

@@ -67,6 +67,19 @@ def _configure_optimization_mode(ctx, args):
  format = "-O%s",
  )
 
+def _configure_proxy(ctx, args, direct_inputs):
+ """Configure proxy settings for a Native Image build.
+
+ Args:
+ ctx: Context of the Native Image rule implementation.
+ args: Args builder for the Native Image build.
+ direct_inputs: Direct Native Image build action inputs.
+
+ """
+ if ctx.attr.proxy_configuration != None:
+ args.add(ctx.file.proxy_configuration, format = "-H:DynamicProxyConfigurationFiles=%s")
+ direct_inputs.append(ctx.file.proxy_configuration)
+
 def _configure_resources(ctx, args, direct_inputs):
  """Configure resource settings for a Native Image build.
 
@@ -221,6 +234,9 @@ def assemble_native_build_options(
  # configure resources
  _configure_resources(ctx, args, direct_inputs)
 
+ # configure proxy
+ _configure_proxy(ctx, args, direct_inputs)
+
  # if a static build is being performed against hermetic zlib, configure it
  if ctx.attr.static_zlib != None:
  _configure_static_zlib_compile(

internal/native_image/common.bzl

@@ -117,6 +117,10 @@ _NATIVE_IMAGE_ATTRS = {
  mandatory = False,
  allow_single_file = True,
  ),
+ "proxy_configuration": attr.label(
+ mandatory = False,
+ allow_single_file = True,
+ ),
  "_cc_toolchain": attr.label(
  default = Label(_BAZEL_CURRENT_CPP_TOOLCHAIN),
  ),