Bazelify crates

Bug: 349586829
Change-Id: I19ef06e263316ccbc7d21b9ade22eff03e3246c2

bazel/crates/oak_crates_index.bzl

@@ -211,7 +211,14 @@ def oak_crates_index(cargo_lockfile, lockfile):
             ),
             "maplit": crate.spec(version = "*"),
             "nix": crate.spec(
-                features = ["user", "process", "signal"],
+                features = [
+                    "mount",
+                    "process",
+                    "signal",
+                    "term",
+                    "ucontext",
+                    "user",
+                ],
                 version = "0.27.1",
             ),
             "oci-spec": crate.spec(version = "*"),

cargo-bazel-lock.json

@@ -1,5 +1,5 @@
 {
-  "checksum": "29000e1cc506207f10f6725fdfd827400c9e64d2df09af5681b12f77c9a8413b",
+  "checksum": "61cfe6e7048f2d815e448bc3184a6e6466cfe798edf2d389deb7338fa01f9b4c",
   "crates": {
     "acpi 5.0.0": {
       "name": "acpi",
@@ -13842,6 +13842,8 @@
             "process",
             "sched",
             "signal",
+            "term",
+            "ucontext",
             "uio",
             "user"
           ],

oak_echo_linux_init/BUILD

@@ -0,0 +1,33 @@
+#
+# Copyright 2024 The Project Oak Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+load("@rules_rust//rust:defs.bzl", "rust_binary")
+
+package(
+    default_visibility = ["//visibility:public"],
+    licenses = ["notice"],
+)
+
+rust_binary(
+    name = "oak_echo_linux_init",
+    srcs = glob(["src/*.rs"]),
+    deps = [
+        "@oak_crates_index//:anyhow",
+        "@oak_crates_index//:log",
+        "@oak_crates_index//:nix",
+        "@oak_crates_index//:simple_logger",
+    ],
+)