bazel: add cloud storage clients library

Signed-off-by: Noah Watkins <noahwatkins@gmail.com>

src/v/cloud_storage_clients/BUILD

@@ -0,0 +1,63 @@
+load("//bazel:build.bzl", "redpanda_cc_library")
+
+redpanda_cc_library(
+    name = "cloud_storage_clients",
+    srcs = [
+        "abs_client.cc",
+        "abs_error.cc",
+        "client_pool.cc",
+        "client_probe.cc",
+        "configuration.cc",
+        "s3_client.cc",
+        "s3_error.cc",
+        "util.cc",
+        "xml_sax_parser.cc",
+    ],
+    hdrs = [
+        "abs_client.h",
+        "abs_error.h",
+        "client.h",
+        "client_pool.h",
+        "client_probe.h",
+        "configuration.h",
+        "logger.h",
+        "s3_client.h",
+        "s3_error.h",
+        "types.h",
+        "util.h",
+        "xml_sax_parser.h",
+    ],
+    # for libxml2
+    exclude_layering_check = True,
+    include_prefix = "cloud_storage_clients",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//src/v/base",
+        "//src/v/bytes",
+        "//src/v/bytes:iobuf",
+        "//src/v/bytes:iostream",
+        "//src/v/bytes:streambuf",
+        "//src/v/cloud_roles",
+        "//src/v/config",
+        "//src/v/container:intrusive",
+        "//src/v/hashing:secure",
+        "//src/v/http",
+        "//src/v/json",
+        "//src/v/metrics",
+        "//src/v/model",
+        "//src/v/net",
+        "//src/v/ssx:future_util",
+        "//src/v/ssx:sformat",
+        "//src/v/strings:string_switch",
+        "//src/v/utils:base64",
+        "//src/v/utils:functional",
+        "//src/v/utils:log_hist",
+        "//src/v/utils:named_type",
+        "//src/v/utils:stop_signal",
+        "@boost//:beast",
+        "@boost//:lexical_cast",
+        "@boost//:property_tree",
+        "@libxml2",
+        "@seastar",
+    ],
+)

src/v/cloud_storage_clients/tests/BUILD

@@ -0,0 +1,110 @@
+load("//bazel:test.bzl", "redpanda_cc_btest", "redpanda_cc_gtest")
+
+redpanda_cc_btest(
+    name = "backend_detection_test",
+    timeout = "short",
+    srcs = [
+        "backend_detection_test.cc",
+    ],
+    deps = [
+        "//src/v/cloud_storage_clients",
+        "//src/v/config",
+        "//src/v/test_utils:seastar_boost",
+        "@boost//:test",
+    ],
+)
+
+redpanda_cc_btest(
+    name = "client_pool_test",
+    timeout = "short",
+    srcs = [
+        "client_pool_test.cc",
+    ],
+    deps = [
+        "//src/v/base",
+        "//src/v/cloud_storage_clients",
+        "//src/v/test_utils:seastar_boost",
+        "@boost//:test",
+        "@seastar",
+        "@seastar//:testing",
+    ],
+)
+
+redpanda_cc_btest(
+    name = "s3_client_test",
+    timeout = "short",
+    srcs = [
+        "s3_client_test.cc",
+    ],
+    deps = [
+        "//src/v/base",
+        "//src/v/bytes:iobuf",
+        "//src/v/bytes:iobuf_parser",
+        "//src/v/bytes:iostream",
+        "//src/v/cloud_storage_clients",
+        "//src/v/hashing:secure",
+        "//src/v/net",
+        "//src/v/test_utils:seastar_boost",
+        "//src/v/utils:base64",
+        "//src/v/utils:unresolved_address",
+        "@boost//:algorithm",
+        "@boost//:beast",
+        "@boost//:property_tree",
+        "@boost//:test",
+        "@seastar",
+        "@seastar//:testing",
+    ],
+)
+
+redpanda_cc_btest(
+    name = "xml_sax_parser_test",
+    timeout = "short",
+    srcs = [
+        "xml_sax_parser_test.cc",
+    ],
+    deps = [
+        "//src/v/cloud_storage_clients",
+        "//src/v/test_utils:seastar_boost",
+        "@boost//:test",
+    ],
+)
+
+redpanda_cc_btest(
+    name = "exception_test",
+    timeout = "short",
+    srcs = [
+        "exception_test.cc",
+    ],
+    deps = [
+        "//src/v/cloud_storage_clients",
+        "//src/v/test_utils:seastar_boost",
+        "@boost//:test",
+        "@seastar",
+    ],
+)
+
+redpanda_cc_btest(
+    name = "util_test",
+    timeout = "short",
+    srcs = [
+        "util_test.cc",
+    ],
+    deps = [
+        "//src/v/cloud_storage_clients",
+        "//src/v/test_utils:seastar_boost",
+        "@boost//:test",
+    ],
+)
+
+redpanda_cc_gtest(
+    name = "types_test",
+    timeout = "short",
+    srcs = [
+        "types_test.cc",
+    ],
+    deps = [
+        "//src/v/cloud_storage_clients",
+        "//src/v/config",
+        "//src/v/test_utils:gtest",
+    ],
+)