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Script to generate longhorn.yaml with version replacement #2112

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Script to generate longhorn.yaml with version replacement #2112

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66 changes: 66 additions & 0 deletions test_tools/update_LH_ver_with_download.sh
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#!/bin/bash

# Check if the correct number of arguments are provided
if [ "$#" -ne 3 ]; then
echo ""
echo "Usage: $0 <old_version> <new_version> <longhorn_version>"
echo ""
echo "Arguments:"
echo " <old_version> The version of Longhorn images to be replaced (e.g., v1.6.3, v1.7.1)."
echo " <new_version> The new version of Longhorn images to use (e.g., v1.6.3-dev-20240922, v1.7.x-head)."
echo " <longhorn_version> The branch or tag from which to download the Longhorn YAML file."
echo ""
echo " Examples:"
echo ""
echo " # For downloading longhorn.yaml from the v1.6.x branch"
echo " $0 v1.6.3 v1.6.3-dev-20240922 v1.6.x"
echo ""
echo " # For downloading longhorn.yaml from the v1.7.x branch"
echo " $0 v1.7.1 v1.7.x-head v1.7.x"
echo ""
echo " # For downloading longhorn.yaml from the master branch"
echo " $0 master-head v1.8.0-dev-20240922 master"
echo ""
exit 1
fi

# Capture the input arguments
OLD_VERSION=$1
NEW_VERSION=$2
LONGHORN_VERSION=$3

# Define the file path for the downloaded longhorn.yaml
FILE_PATH="longhorn.yaml"

# Download the specified version of the longhorn.yaml file
wget -O "$FILE_PATH" "https://raw.githubusercontent.com/longhorn/longhorn/${LONGHORN_VERSION}/deploy/longhorn.yaml"

# Check if the file was downloaded successfully
if [ $? -ne 0 ]; then
echo "Error downloading longhorn.yaml. Please check the Longhorn version."
exit 1
fi

# Define the list of Longhorn image names
IMAGES=(
"longhornio/longhorn-ui"
"longhornio/longhorn-manager"
"longhornio/longhorn-engine"
"longhornio/longhorn-instance-manager"
"longhornio/longhorn-share-manager"
"longhornio/backing-image-manager"
)

# Loop through each image and perform the find/replace
for IMAGE in "${IMAGES[@]}"; do
# Use sed to replace old version with new version
sed -i "s|${IMAGE}:${OLD_VERSION}|${IMAGE}:${NEW_VERSION}|g" "$FILE_PATH"
done

# Define the new filename based on the new version
NEW_FILE_PATH="longhorn-${NEW_VERSION}.yaml"

# Move the modified file to the new file name
mv "$FILE_PATH" "$NEW_FILE_PATH"

echo "Replacement complete. Updated file saved as $NEW_FILE_PATH."