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| 1 | +#!/bin/bash |
| 2 | +set -euo pipefail |
| 3 | + |
| 4 | +# Updates base_image_version in windows_settings.json to the latest available |
| 5 | +# version from the Azure Marketplace for each Windows SKU. |
| 6 | +# |
| 7 | +# This script is a backup. In an ideal world, use the pipeline https://dev.azure.com/msazure/CloudNativeCompute/_build/results?buildId=160464184&view=results |
| 8 | +# and only run this script manually if the pipeline fails to update the versions or if you want to check for updates without modifying the settings file (using --dry-run). |
| 9 | +# |
| 10 | +# Prerequisites: |
| 11 | +# - az CLI installed and logged in |
| 12 | +# - jq installed |
| 13 | +# |
| 14 | +# Usage: |
| 15 | +# ./update_windows_base_versions.sh [--dry-run] |
| 16 | + |
| 17 | +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" |
| 18 | +SETTINGS_FILE="${SCRIPT_DIR}/windows_settings.json" |
| 19 | +DEFAULT_PUBLISHER="MicrosoftWindowsServer" |
| 20 | +DEFAULT_OFFER="MicrosoftWindowsServer" |
| 21 | +DRY_RUN=false |
| 22 | + |
| 23 | +if [ "${1:-}" = "--dry-run" ]; then |
| 24 | + DRY_RUN=true |
| 25 | +fi |
| 26 | + |
| 27 | +if [ ! -f "${SETTINGS_FILE}" ]; then |
| 28 | + echo "ERROR: ${SETTINGS_FILE} not found" |
| 29 | + exit 1 |
| 30 | +fi |
| 31 | + |
| 32 | +for cmd in az jq; do |
| 33 | + if ! command -v "${cmd}" &>/dev/null; then |
| 34 | + echo "ERROR: ${cmd} is required but not installed" |
| 35 | + exit 1 |
| 36 | + fi |
| 37 | +done |
| 38 | + |
| 39 | +# Build a list of unique (publisher, sku) pairs to query. |
| 40 | +# Multiple JSON keys can share the same SKU prefix (e.g. 2025 and 2025-gen2 |
| 41 | +# have different SKUs but should resolve to the same base_image_version). |
| 42 | +# We query each unique SKU individually. |
| 43 | +mapfile -t sku_keys < <(jq -r '.WindowsBaseVersions | keys[]' "${SETTINGS_FILE}") |
| 44 | + |
| 45 | +updated=0 |
| 46 | +errors=0 |
| 47 | + |
| 48 | +for key in "${sku_keys[@]}"; do |
| 49 | + sku=$(jq -r ".WindowsBaseVersions.\"${key}\".base_image_sku" "${SETTINGS_FILE}") |
| 50 | + offer=$(jq -r ".WindowsBaseVersions.\"${key}\".base_image_offer // \"${DEFAULT_OFFER}\"" "${SETTINGS_FILE}") |
| 51 | + publisher=$(jq -r ".WindowsBaseVersions.\"${key}\".base_image_publisher // \"${DEFAULT_PUBLISHER}\"" "${SETTINGS_FILE}") |
| 52 | + current_version=$(jq -r ".WindowsBaseVersions.\"${key}\".base_image_version" "${SETTINGS_FILE}") |
| 53 | + |
| 54 | + echo "Querying latest version for ${key} (publisher=${publisher}, offer=${offer}, sku=${sku})..." |
| 55 | + |
| 56 | + latest_version=$( |
| 57 | + az vm image list \ |
| 58 | + -p "${publisher}" \ |
| 59 | + -f "${offer}" \ |
| 60 | + -s "${sku}" \ |
| 61 | + --all \ |
| 62 | + --query "[].version" \ |
| 63 | + -o tsv 2>/dev/null | |
| 64 | + sort -uV | |
| 65 | + tail -n 1 |
| 66 | + ) || true |
| 67 | + |
| 68 | + if [ -z "${latest_version}" ]; then |
| 69 | + echo " WARNING: no versions found for sku=${sku}, skipping" |
| 70 | + errors=$((errors + 1)) |
| 71 | + continue |
| 72 | + fi |
| 73 | + |
| 74 | + if [ "${current_version}" = "${latest_version}" ]; then |
| 75 | + echo " ${key}: already up to date (${current_version})" |
| 76 | + continue |
| 77 | + fi |
| 78 | + |
| 79 | + echo " ${key}: ${current_version} -> ${latest_version}" |
| 80 | + |
| 81 | + if [ "${DRY_RUN}" = "false" ]; then |
| 82 | + tmp=$(mktemp) |
| 83 | + jq ".WindowsBaseVersions.\"${key}\".base_image_version = \"${latest_version}\"" \ |
| 84 | + "${SETTINGS_FILE}" >"${tmp}" && |
| 85 | + mv "${tmp}" "${SETTINGS_FILE}" |
| 86 | + updated=$((updated + 1)) |
| 87 | + else |
| 88 | + updated=$((updated + 1)) |
| 89 | + fi |
| 90 | +done |
| 91 | + |
| 92 | +echo "" |
| 93 | +if [ "${DRY_RUN}" = "true" ]; then |
| 94 | + echo "Dry run complete. ${updated} version(s) would be updated, ${errors} error(s)." |
| 95 | +else |
| 96 | + echo "Done. ${updated} version(s) updated, ${errors} error(s)." |
| 97 | +fi |
| 98 | + |
| 99 | +if [ "${errors}" -gt 0 ]; then |
| 100 | + exit 1 |
| 101 | +fi |
| 102 | + |
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