fix(IDX): Revert "chore(IDX): remove testnet directory (#4000)" (#4005)

Some teams still rely on those scripts

This reverts commit 5c2881a.

bazel/conf/.bazelrc.build

@@ -68,6 +68,9 @@ test:precommit --build_tests_only --test_tag_filters="smoke"
 build:systest --build_tag_filters=
 test:systest --test_output=streamed --test_tag_filters=
 
+build:testnet --build_tag_filters=
+test:testnet --test_output=streamed --test_tag_filters=
+
 # For sandboxed actions, mount an empty, writable directory at this absolute path
 # (if supported by the sandboxing implementation, ignored otherwise).
 test --sandbox_tmpfs_path=/tmp

publish/binaries/BUILD.bazel

@@ -139,6 +139,18 @@ upload_artifacts(
     }),
 )
 
+# https://dfinity.atlassian.net/browse/IDX-2599
+# various places in the source code, and possibly other repositories reference
+# the legacy upload path. Unwinding it without a will involve an unpredictable amount of time.
+upload_artifacts(
+    name = "legacy_upload",
+    testonly = True,
+    inputs = [":binaries"],
+    remote_subdir = "release",
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//testnet/tools:__pkg__"],
+)
+
 BINS_TO_TEST = [":" + name for name in ALL_BINARIES]
 
 sh_test(

testnet/BUILD.bazel

@@ -0,0 +1,13 @@
+load("@python_deps//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_binary")
+
+package(default_visibility = ["//visibility:public"])
+
+py_binary(
+    name = "inventory",
+    srcs = ["ansible/inventory/inventory.py"],
+    data = glob(["env/**/*"]),
+    deps = [
+        requirement("ansible"),
+    ],
+)