jenkins-x-boot-deployment-fix.py

import inotify.adapters
import yaml
import os.path
import time

def _main():

    i = inotify.adapters.InotifyTree('/tmp')

    for event in i.event_gen(yield_nones=False):

        (_, type_names, path, filename) = event

        if 'IN_ISDIR' not in type_names:
            continue

        if 'IN_CREATE' not in type_names:
            continue

        fpath = '/'.join([path, filename])

        if 'helm-template-workdir' not in fpath:
            continue

        print("MATCH / PATH=[{}] EVENT_TYPES={}".format(fpath, type_names))

        files = [
          'jenkins-x/output/namespaces/jx/env/charts/jenkins-x-platform/charts/chartmuseum/templates/part0-deployment.yaml',
          'jenkins-x/output/namespaces/jx/env/charts/jenkins-x-platform/charts/heapster/templates/part0-deployment.yaml'
        ]

        for f in files:
            filepath = '/'.join([fpath,f])
            slept = 0
            while not os.path.exists(filepath):
                time.sleep(0.005)
                slept += 0.005
                if slept > 1:
                    print("Cannot find file %s after 1 sec of waiting" % filepath)
                    break
            if os.path.isfile(filepath):
                fix_file(filepath)
                print("FIXED FILE: PATH=[{}] EVENT_TYPES={}".format(fpath, type_names))


def fix_file(fpath):

    print(fpath)

    with open(fpath, 'r') as file:

        doc = yaml.load(file, Loader=yaml.FullLoader)

        #if doc['kind'] != 'Deployment' and doc['apiVersion'] != 'extensions/v1beta1':
        #    return

        doc['apiVersion'] = 'apps/v1'

        labels = doc['spec']['template']['metadata']['labels']

        doc['spec']['selector'] = {}
        doc['spec']['selector']['matchLabels'] = labels.copy()

        with open(fpath, 'w') as file:
            yaml.dump(doc, file)


if __name__ == '__main__':
    _main()

inotify and pyyaml pip modules required.

In a working case it looks like:

MATCH / PATH=[/tmp/helm-template-workdir-952010232] EVENT_TYPES=['IN_CREATE', 'IN_ISDIR']
/tmp/helm-template-workdir-952010232/jenkins-x/output/namespaces/jx/env/charts/jenkins-x-platform/charts/chartmuseum/templates/part0-deployment.yaml
FIXED FILE: PATH=[/tmp/helm-template-workdir-952010232] EVENT_TYPES=['IN_CREATE', 'IN_ISDIR']
/tmp/helm-template-workdir-952010232/jenkins-x/output/namespaces/jx/env/charts/jenkins-x-platform/charts/heapster/templates/part0-deployment.yaml
FIXED FILE: PATH=[/tmp/helm-template-workdir-952010232] EVENT_TYPES=['IN_CREATE', 'IN_ISDIR']