penguin/utils

commit b19df9bdf3c735d14794897f86b88ad8801e19b7

commit b19df9bdf3c735d14794897f86b88ad8801e19b7
Author: 斟酌 鵬兄 <tgckpg@gmail.com>
Date:   2025-02-13T20:00:29Z

    Added 19 k8s helper functions
---
 bash/sources/19_k8s_funcs | 55 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/bash/sources/19_k8s_funcs b/bash/sources/19_k8s_funcs
new file mode 100644
index 0000000..e821c0d
--- /dev/null
+++ b/bash/sources/19_k8s_funcs
@@ -0,0 +1,55 @@
+#!/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=
+
+	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 ? ${#key} : max_key_length ))
+		done
+
+		# Print a line separator based on the longest key length
+		separator_length=$((max_key_length + trim_length))
+		printf "%${separator_length}s\n" | tr ' ' "="
+
+		# Loop through labels and align them
+		for label in "${labels[@]}"; do
+			key="${label%%=*}"
+			value="${label#*=}"
+
+			# 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
+				echo "$line_text$formatted_label"
+			else
+				echo "$padding$formatted_label"
+			fi
+		done
+	done
+}