Added youki build and fromatting of scripts

scripts/lib/common.sh

@@ -195,6 +195,26 @@ function get_file_size() {
     fi
 }
 
+# Get short git commit hash from a git repository directory
+function get_git_commit_hash() {
+    local repo_dir="$1"
+    local short="${2:-true}"  # Default to short hash
+
+    if [[ ! -d "$repo_dir/.git" ]]; then
+        echo "unknown"
+        return 1
+    fi
+
+    local hash
+    if [[ "$short" == "true" ]]; then
+        hash=$(cd "$repo_dir" && git rev-parse --short HEAD 2>/dev/null || echo "unknown")
+    else
+        hash=$(cd "$repo_dir" && git rev-parse HEAD 2>/dev/null || echo "unknown")
+    fi
+
+    echo "$hash"
+}
+
 # Wait for file to exist with timeout
 function wait_for_file() {
     local file="$1"

scripts/lib/kernel.sh

@@ -223,20 +223,219 @@ function kernel_build_with_initramfs() {
     output_dir=$(dirname "$output_abs")
     safe_mkdir "$output_dir"
     safe_copy "$kernel_image" "$output_abs"
-    
+
+    # Also copy with versioned filename including kernel version and zinit hash
+    local full_kernel_version="${FULL_KERNEL_VERSION:-unknown}"
+    local zinit_hash="unknown"
+    local zinit_dir="${COMPONENTS_DIR:-${PROJECT_ROOT}/components}/zinit"
+
+    if [[ -d "$zinit_dir/.git" ]]; then
+        zinit_hash=$(get_git_commit_hash "$zinit_dir")
+    else
+        log_warn "zinit git directory not found at ${zinit_dir}, using 'unknown' for hash"
+    fi
+
+    # Create versioned filename: vmlinuz-{VERSION}-{ZINIT_HASH}.efi
+    local versioned_name="vmlinuz-${full_kernel_version}-${zinit_hash}.efi"
+    local versioned_output="${output_dir}/${versioned_name}"
+    safe_copy "$kernel_image" "$versioned_output"
+
     # Verify final kernel
     local kernel_size
     kernel_size=$(get_file_size "$output_abs")
+    local versioned_size
+    versioned_size=$(get_file_size "$versioned_output")
     log_info "Kernel build complete:"
     log_info "  Output file: ${output_abs}"
+    log_info "  Versioned:   ${versioned_output}"
     log_info "  Kernel size: ${kernel_size}"
-    
+    log_info "  Version:     ${full_kernel_version}"
+    log_info "  zinit hash:  ${zinit_hash}"
+
     # Verify initramfs is embedded
     if strings "$output_file" | grep -q "initramfs"; then
         log_info "✓ Initramfs appears to be embedded in kernel"
     else
         log_warn "Initramfs embedding verification inconclusive"
     fi
+
+    # Upload versioned kernel to S3 if enabled
+    kernel_upload_to_s3 "$versioned_output" "$full_kernel_version" "$zinit_hash"
+}
+
+# Upload versioned kernel to S3 using MinIO client (mcli/mc)
+function kernel_upload_to_s3() {
+    local kernel_file="$1"
+    local kernel_version="$2"
+    local zinit_hash="$3"
+
+    section_header "Uploading Kernel to S3"
+
+    # Check if upload is enabled
+    if [[ "${UPLOAD_KERNEL:-false}" != "true" ]]; then
+        log_info "UPLOAD_KERNEL not enabled; skipping kernel upload"
+        return 0
+    fi
+
+    # Verify kernel file exists
+    if [[ ! -f "$kernel_file" ]]; then
+        log_error "Kernel file not found: ${kernel_file}"
+        return 1
+    fi
+
+    # Load S3 configuration from rfs.conf
+    local rfs_conf="${PROJECT_ROOT}/config/rfs.conf"
+    local rfs_conf_example="${PROJECT_ROOT}/config/rfs.conf.example"
+
+    if [[ -f "$rfs_conf" ]]; then
+        # shellcheck source=/dev/null
+        source "$rfs_conf"
+        log_info "Loaded S3 config from: ${rfs_conf}"
+    elif [[ -f "$rfs_conf_example" ]]; then
+        # shellcheck source=/dev/null
+        source "$rfs_conf_example"
+        log_warn "Using example S3 config: ${rfs_conf_example}"
+    else
+        log_error "No S3 config found (config/rfs.conf or config/rfs.conf.example)"
+        return 1
+    fi
+
+    # Validate required S3 variables
+    for var in S3_ENDPOINT S3_BUCKET S3_PREFIX S3_ACCESS_KEY S3_SECRET_KEY; do
+        if [[ -z "${!var}" ]]; then
+            log_error "Missing required S3 variable: ${var}"
+            return 1
+        fi
+    done
+
+    # Detect MinIO client binary (mcli or mc)
+    local mcli_bin=""
+    if command -v mcli >/dev/null 2>&1; then
+        mcli_bin="mcli"
+    elif command -v mc >/dev/null 2>&1; then
+        mcli_bin="mc"
+    else
+        log_warn "MinIO Client not found (expected mcli or mc); skipping kernel upload"
+        return 0
+    fi
+
+    log_info "Using MinIO client: ${mcli_bin}"
+
+    # Setup S3 alias
+    log_info "Configuring S3 alias..."
+    safe_execute "${mcli_bin}" alias set rfs "${S3_ENDPOINT}" "${S3_ACCESS_KEY}" "${S3_SECRET_KEY}"
+
+    # Construct destination path: rfs/{bucket}/{prefix}/kernel/{versioned_filename}
+    local kernel_filename
+    kernel_filename=$(basename "$kernel_file")
+    local kernel_subpath="${KERNEL_SUBPATH:-kernel}"
+    local mcli_dst="rfs/${S3_BUCKET}/${S3_PREFIX%/}/${kernel_subpath%/}/${kernel_filename}"
+
+    # Upload kernel
+    log_info "Uploading: ${kernel_file} -> ${mcli_dst}"
+    safe_execute "${mcli_bin}" cp "${kernel_file}" "${mcli_dst}"
+
+    log_info "✓ Kernel uploaded successfully"
+    log_info "  Version: ${kernel_version}"
+    log_info "  zinit:   ${zinit_hash}"
+    log_info "  S3 path: ${mcli_dst}"
+
+    # Generate and upload kernel index
+    kernel_generate_index "${mcli_bin}" "${S3_BUCKET}" "${S3_PREFIX}" "${kernel_subpath}"
+}
+
+# Generate kernel index file from S3 listing and upload it
+function kernel_generate_index() {
+    local mcli_bin="$1"
+    local bucket="$2"
+    local prefix="$3"
+    local kernel_subpath="$4"
+
+    section_header "Generating Kernel Index"
+
+    # Construct S3 path for listing
+    local s3_path="rfs/${bucket}/${prefix%/}/${kernel_subpath%/}/"
+
+    log_info "Listing kernels from: ${s3_path}"
+
+    # List all files in the kernel directory
+    local ls_output
+    if ! ls_output=$("${mcli_bin}" ls "${s3_path}" 2>&1); then
+        log_warn "Failed to list S3 kernel directory, index not generated"
+        log_debug "mcli ls output: ${ls_output}"
+        return 0
+    fi
+
+    # Parse output and extract kernel filenames matching vmlinuz-*
+    local kernels=()
+    while IFS= read -r line; do
+        # mcli ls output format: [DATE TIME TZ] SIZE FILENAME
+        # Extract filename (last field)
+        local filename
+        filename=$(echo "$line" | awk '{print $NF}')
+
+        # Filter for vmlinuz files (both .efi and without extension)
+        if [[ "$filename" =~ ^vmlinuz-.* ]]; then
+            kernels+=("$filename")
+        fi
+    done <<< "$ls_output"
+
+    if [[ ${#kernels[@]} -eq 0 ]]; then
+        log_warn "No kernels found in S3 path: ${s3_path}"
+        return 0
+    fi
+
+    log_info "Found ${#kernels[@]} kernel(s)"
+
+    # Create index files in dist directory
+    local index_dir="${DIST_DIR:-${PROJECT_ROOT}/dist}"
+    local text_index="${index_dir}/kernels.txt"
+    local json_index="${index_dir}/kernels.json"
+
+    # Generate text index (one kernel per line, sorted)
+    printf "%s\n" "${kernels[@]}" | sort -r > "$text_index"
+    log_info "Created text index: ${text_index}"
+
+    # Generate JSON index (array of kernel filenames)
+    {
+        echo "{"
+        echo "  \"kernels\": ["
+        local first=true
+        for kernel in $(printf "%s\n" "${kernels[@]}" | sort -r); do
+            if [[ "$first" == "true" ]]; then
+                first=false
+            else
+                echo ","
+            fi
+            printf "    \"%s\"" "$kernel"
+        done
+        echo ""
+        echo "  ],"
+        echo "  \"updated\": \"$(date -u +%Y-%m-%dT%H:%M:%SZ)\","
+        echo "  \"count\": ${#kernels[@]}"
+        echo "}"
+    } > "$json_index"
+    log_info "Created JSON index: ${json_index}"
+
+    # Upload both index files to S3
+    log_info "Uploading kernel index files to S3..."
+
+    local text_dst="${s3_path}kernels.txt"
+    local json_dst="${s3_path}kernels.json"
+
+    if safe_execute "${mcli_bin}" cp "$text_index" "$text_dst"; then
+        log_info "✓ Uploaded text index: ${text_dst}"
+    else
+        log_warn "Failed to upload text index"
+    fi
+
+    if safe_execute "${mcli_bin}" cp "$json_index" "$json_dst"; then
+        log_info "✓ Uploaded JSON index: ${json_dst}"
+    else
+        log_warn "Failed to upload JSON index"
+    fi
+
+    log_info "Kernel index generation complete"
 }
 
 # Build and install modules in container for proper dependency resolution