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diff --git a/resources/libraries/bash/function/gather_vpp.sh b/resources/libraries/bash/function/gather_vpp.sh
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+++ b/resources/libraries/bash/function/gather_vpp.sh
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+# 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_vpp () {
+
+    # Variables read:
+    # - BASH_FUNCTION_DIR - Bash directory with functions.
+    # - TEST_CODE - The test selection string from environment or argument.
+    # - DOWNLOAD_DIR - Path to directory robot takes the build to test from.
+    # - CSIT_DIR - Path to existing root of local CSIT git repository.
+    # Variables set:
+    # - VPP_VERSION - VPP stable version under test.
+    # Files read:
+    # - ${CSIT_DIR}/DPDK_STABLE_VER - DPDK version to use
+    #   by csit-vpp not-timed jobs.
+    # - ${CSIT_DIR}/${VPP_VER_FILE} - Ubuntu VPP version to use.
+    # - ../*vpp*.deb|rpm - Relative to ${DOWNLOAD_DIR},
+    #   copied for vpp-csit jobs.
+    # Directories updated:
+    # - ${DOWNLOAD_DIR}, vpp-*.deb files are copied here for vpp-csit jobs.
+    # - ./ - Assumed ${DOWNLOAD_DIR}, *vpp*.deb|rpm files
+    #   are downloaded here for csit-vpp.
+    # Functions called:
+    # - die - Print to stderr and exit, defined in common_functions.sh
+    # Bash scripts executed:
+    # - ${CSIT_DIR}/resources/tools/scripts/download_install_vpp_pkgs.sh
+    #   - Should download and extract requested files to ./.
+
+    set -exuo pipefail
+
+    case "${TEST_CODE}" in
+        "csit-"*)
+            # Use downloaded packages with specific version.
+            if [[ "${TEST_CODE}" == *"daily"* ]] || \
+               { [[ "${TEST_CODE}" == *"weekly"* ]] && \
+                 [[ "${TEST_CODE}" != *"device"* ]]; } || \
+               [[ "${TEST_CODE}" == *"semiweekly"* ]] || \
+               [[ "${TEST_CODE}" == *"hourly"* ]];
+            then
+                warn "Downloading latest VPP packages from Packagecloud."
+            else
+                warn "Downloading stable VPP packages from Packagecloud."
+                VPP_VERSION="$(<"${CSIT_DIR}/${VPP_VER_FILE}")" || {
+                    die "Read VPP stable version failed."
+                }
+            fi
+            source "${BASH_FUNCTION_DIR}/artifacts.sh" || die "Source failed."
+            download_artifacts || die
+            ;;
+        "vpp-csit-"*)
+            # Shorten line.
+            pkgs="${PKG_SUFFIX}"
+            # Use locally built packages.
+            mv "${DOWNLOAD_DIR}"/../*vpp*."${pkgs}" "${DOWNLOAD_DIR}"/ || {
+                die "Move command failed."
+            }
+            ;;
+        *)
+            die "Unable to identify job type from: ${TEST_CODE}"
+            ;;
+    esac
+}