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Add netplan config parding sh utility for ubuntu static ip
Signed-off-by: yaacov <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| #!/bin/bash | ||
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| # Function to extract the interface name and all valid IPv4 addresses from a block of text | ||
| parse_interface_block() { | ||
| block="$1" | ||
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| # Regular expression for matching IPv4 and IPv6 addresses | ||
| ip_regex="([0-9]{1,3}\.){3}[0-9]{1,3}(/([0-9]|[1-2][0-9]|3[0-2]))?" | ||
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| # Extract the interface name (first word before ":") and take only the first match | ||
| interface_name=$(echo "$block" | grep -Eo '^[^:]+' | head -n 1) | ||
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| # Find and capture all IP addresses matching the regex in the block | ||
| ip_addresses=$(echo "$block" | grep -Eo "$ip_regex" | tr '\n' ' ') | ||
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| # Return the interface name and concatenated IP addresses | ||
| echo "${interface_name}: ${ip_addresses}" | ||
| } | ||
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| # Function to parse the netplan file | ||
| parse_netplan_file() { | ||
| netplan_file="$1" | ||
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| # Initialize variables | ||
| found_ethernets=0 | ||
| interface_indent="" | ||
| current_block="" | ||
| interfaces_list="" | ||
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| # Read the file line by line | ||
| while IFS= read -r line; do | ||
| # Check if the current line contains "ethernets:" | ||
| if [ "$found_ethernets" -eq 0 ] && echo "$line" | grep -q '^[[:space:]]*ethernets:'; then | ||
| found_ethernets=1 | ||
| continue | ||
| fi | ||
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| # Once "ethernets:" is found, determine the indentation of the interface block | ||
| if [ "$found_ethernets" -eq 1 ] && [ -n "$line" ]; then | ||
| interface_indent=$(echo "$line" | sed -e 's/^\([[:space:]]*\).*/\1/' | wc -c) | ||
| found_ethernets=2 | ||
| fi | ||
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| # If we are inside the "ethernets" section, capture each interface block | ||
| if [ "$found_ethernets" -eq 2 ]; then | ||
| current_indent=$(echo "$line" | sed -e 's/^\([[:space:]]*\).*/\1/' | wc -c) | ||
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| # If a new interface is found (same indentation as the interface level) | ||
| if [ "$current_indent" -eq "$interface_indent" ]; then | ||
| # Parse the previous block and add it to the list | ||
| if [ -n "$current_block" ]; then | ||
| interfaces_list="$interfaces_list$(parse_interface_block "$current_block") \n" | ||
| fi | ||
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| # Start a new interface block | ||
| current_block="$line" | ||
| else | ||
| current_block="$current_block\n$line" | ||
| fi | ||
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| # Stop capturing when encountering a line with less indentation than "interface_indent" | ||
| if [ "$current_indent" -lt "$interface_indent" ] && [ -n "$line" ]; then | ||
| found_ethernets=0 | ||
| fi | ||
| fi | ||
| done < "$netplan_file" | ||
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| # Parse and add the last interface block | ||
| if [ -n "$current_block" ]; then | ||
| interfaces_list="$interfaces_list$(parse_interface_block "$current_block") \n" | ||
| fi | ||
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| # Output the parsed interfaces with their IP addresses | ||
| printf "$interfaces_list" | ||
| } | ||
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| # Function to parse all YAML files in a directory using parse_netplan_file | ||
| parse_netplan_dir() { | ||
| dir="$1" | ||
| result="" | ||
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| # Iterate over all YAML files in the directory | ||
| for yaml_file in "$dir"/*.yaml; do | ||
| if [ -f "$yaml_file" ]; then | ||
| # Concatenate the output of parse_netplan_file for each YAML file | ||
| result=$(printf "%s\n%s" "$result" "$(parse_netplan_file "$yaml_file")") | ||
| fi | ||
| done | ||
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| # Return the concatenated result | ||
| echo "$result" | ||
| } | ||
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| # Call the function to parse the netplan files | ||
| parse_netplan_dir "$NETPLAN_DIR" |
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