manifest-split extracts all documents in a kubernetes manifest to their own files

manifest-split.py

#!/usr/bin/env python
"""manifest-split extracts all documents in a kubernetes manifest to their own
files

Usage:

manifest-split [manifest.yaml]

If manifest is omitted, read from stdin and use 'default' as file prefix."""

import sys
import fileinput
from os import path
from __future__ import print_function

def write_files(basename):
    kind = None
    doc = ""
    for line in fileinput.input():
        if line.strip() == '---':
            if kind:
                filename = "%s-%s.yaml" % (basename, kind)
                with open(filename, 'w') as fileh:
                    print(doc, file=fileh)
                doc = ""
                continue
            else:
                if doc.isspace():
                    continue
                raise "Attribute `kind` is missing in %s", doc

        doc += line
        parts = line.split(':')
        if len(parts) == 2 and parts[0] == 'kind':
            k = parts[1].strip()
            kind = k[0].lower() + k[1:]



NAME = "default"
if len(sys.argv) > 1:
    name, _ = path.splitext(path.basename(sys.argv[1]))

write_files(name)