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#@ load("@ytt:overlay","overlay")
#@overlay/match by=overlay.subset({"kind":"StatefulSet"})
---
spec:
  volumeClaimTemplates:
    #@overlay/match by=overlay.all, expects="1+"
    - 
      metadata:
        #@overlay/match missing_ok=True
        annotations:

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Samples to cleanup multiple configs across multiple namespaces in Kubernetes using kubectl and GNU parallel

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Package Signing Certificate Generation

Package signing certificate keystores can be created using the keytool command provided by the JDK.

To Create a self signed certificate for package signing that is good for 10 years:

keytool -genkeypair \
-alias _dunesrsa_alias_ \
-keyalg RSA \
-keysize 2048 \

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Simple timelapse from video:

• A png for every every 4th frame:

  ffmpeg -i input_vid.mp4 -r 0.25 folder/video%06d.png

• Folder of png file to .mp4:

  ffmpeg -f image2 -i folder/video%06d.png -pix_fmt yuv420p output_vid.mp4

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// VMware vRealize Orchestrator action sample

// Searches a vCenter or all known vCenters for a Datastore
// 
// ensures the search only matches one Datastore
//
//Action Inputs:
// vCenter  -  VC:SdkConnection (Optional)
// datastoreName - String
//

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// VMware vRealize Orchestrator action sample

// Searches a vCenter or all known vCenters for a StoragePod (Datastore Cluster)
// 
// ensures the search only matches one StoragePod
//
//Action Inputs:
// vCenter  -  VC:SdkConnection (Optional)
// storagePodName - String
//

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#!/usr/bin/env python3
import argparse
import json
import sys
import xml.etree.ElementTree as ET

parser = argparse.ArgumentParser('Parse strings from exported vRO Configuration Element XML')
parser.add_argument('FILE',help='ConfigElement XML file path')
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument('-n','--name',dest='vroAttribute',help='Attribute Name to parse')

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kubectl get nodes -o json | jq '.items[] | .status .addresses[] | select(.type=="ExternalIP") | .["address"]' | jq . -s -c

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// VMware vRealize Orchestrator action sample

// Determines the ComputeResource or ClusterComputeResource of the VM.
// Assumes the VM is part of a DRS Cluster and a member of a child resoure pool in the cluster.
// 
// Moves / Migrates the VM to the root ResourcePool of the Cluster.
//
//Action Inputs:
// vm  -  VC:VirtualMachine
//

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// VMware vRealize Orchestrator action sample

// Upgrades  VMtool on a Virtual Machine if needed.
// Assumes vm tools .vib is part of ESXi host image profile
//
//
//Action Inputs:
// vm  -  VC:VirtualMachine
//
//Return type: void