1 files changed, 66 insertions, 0 deletions
diff --git a/resources/libraries/bash/function/gather_dpdk.sh b/resources/libraries/bash/function/gather_dpdk.sh
new file mode 100644
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+++ b/resources/libraries/bash/function/gather_dpdk.sh
@@ -0,0 +1,66 @@
+# Copyright (c) 2024 Cisco and/or its affiliates.
+# Copyright (c) 2024 PANTHEON.tech and/or its affiliates.
+# 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.
+
+set -exuo pipefail
+
+# This library defines functions used mainly by "bootstrap" entry scripts.
+# Generally, the functions assume "common.sh" library has been sourced already.
+
+# Keep functions ordered alphabetically, please.
+
+function gather_dpdk () {
+
+    # Ensure latest DPDK archive is downloaded.
+    #
+    # Variables read:
+    # - TEST_CODE - The test selection string from environment or argument.
+    # Hardcoded:
+    # - dpdk archive name to download if TEST_CODE is not time based.
+    # Directories updated:
+    # - ./ - Assumed ${DOWNLOAD_DIR}, dpdk-*.tar.xz is downloaded if not there.
+    # Functions called:
+    # - die - Print to stderr and exit, defined in common.sh
+
+    set -exuo pipefail
+
+    dpdk_repo="https://fast.dpdk.org/rel"
+    # Use downloaded packages with specific version
+    if [[ "${TEST_CODE}" == *"daily"* ]] || \
+       [[ "${TEST_CODE}" == *"weekly"* ]] || \
+       [[ "${TEST_CODE}" == *"timed"* ]];
+    then
+        echo "Downloading latest DPDK packages from repo..."
+        # URL is not in quotes, calling command from variable keeps them.
+        wget_command=("wget" "--no-check-certificate" "--compression=auto")
+        wget_command+=("-nv" "-O" "-")
+        wget_command+=("${dpdk_repo}")
+        dpdk_stable_ver="$("${wget_command[@]}" | grep -v "2015"\
+            | grep -Eo 'dpdk-[^\"]+xz' | tail -1)" || {
+            die "Composite piped command failed."
+        }
+    else
+        echo "Downloading DPDK package of specific version from repo ..."
+        # Downloading DPDK version based on what VPP is using. Currently
+        # it is not easy way to detect from VPP version automatically.
+        dpdk_stable_ver="$(< "${CSIT_DIR}/DPDK_VPP_VER")".tar.xz || {
+            die "Failed to read DPDK VPP version!"
+        }
+    fi
+    # TODO: Use "wget -N" instead checking for file presence?
+    if [[ ! -f "${dpdk_stable_ver}" ]]; then
+        wget -nv --no-check-certificate "${dpdk_repo}/${dpdk_stable_ver}" || {
+            die "Failed to get DPDK package from: ${dpdk_repo}"
+        }
+    fi
+}