utils/bash/sources/19_k8s_funcs

68 lines
1.5 KiB
Bash

#!/bin/bash
# Written with the help of chatgpt o3-mini
function klabels {
local header=
local padding=
local trim_length=
local line_text=
local first_line=
local max_key_length=0
local max_label_length=0
local key=
local value=
local filter_value="$1"
local filter_key="$2"
while IFS= read -r line; do
if [ -z "$header" ]; then
header="$line"
padding="${header//LABELS/}"
padding="${padding//?/ }"
echo "$header"
trim_length=${#padding}
continue
fi
line_text="${line:0:trim_length}"
first_line=
IFS=',' read -ra labels <<< "${line:trim_length}"
# Calculate the maximum key length to align key=value pairs
for label in "${labels[@]}"; do
key="${label%%=*}"
max_key_length=$(( ${#key} > max_key_length ? ${#key} : max_key_length ))
done
# Loop through labels and align them
for label in "${labels[@]}"; do
key="${label%%=*}"
value="${label#*=}"
if [ -n "$filter_key" ] && ! [[ "$key" == *$filter_key* ]] ; then
continue
fi
if [ -n "$filter_value" ] && ! [[ "$value" == *$filter_value* ]] ; then
continue
fi
# Format the label to align the '=' sign
printf -v formatted_label "%-${max_key_length}s = %s" "$key" "$value"
if [ -z "$first_line" ]; then
first_line=1
# Print a line separator based on the longest key length
separator_length=$((max_key_length + trim_length))
printf "%${separator_length}s\n" | tr ' ' "-"
echo "$line_text$formatted_label"
else
echo "$padding$formatted_label"
fi
done
done
}