Skip to content

Instantly share code, notes, and snippets.

Avatar
🦄
Engineering something

Chris Suszynski cardil

🦄
Engineering something
View GitHub Profile
@cardil
cardil / cumbersome.sh
Last active Oct 21, 2020
Invalid & convoluted Bash scripting fixed
View cumbersome.sh
#!/usr/bin/env bash
set -Eeuo pipefail
function testing.of() {
local what
what="${1:?Pass what as arg[1]}"
echo "Testing of ${what}..."
eval "non-existing-showcase-command ${what}"
@cardil
cardil / f32-k8s-shell.yml
Created May 15, 2020
Fedora 32 shell for K8s
View f32-k8s-shell.yml
kind: Pod
apiVersion: v1
metadata:
name: shell
labels:
purpose: manual-inspection
spec:
containers:
- name: shell-f32
image: docker.io/library/fedora:32
@cardil
cardil / stress-revisions.sh
Last active May 5, 2020
Test that stress large number of Serverless revisions
View stress-revisions.sh
#!/bin/bash
set -Eeuo pipefail
readonly START="${START:-1}"
readonly LIMIT="${LIMIT:-1200}"
for NUM in $(seq "${START}" "$LIMIT"); do
oc apply -f - <<EOF
apiVersion: serving.knative.dev/v1
@cardil
cardil / README.md
Last active Jan 17, 2020
Eventing #2388 manual reproduction
View README.md

Eventing https://github.com/knative/eventing/pull/2388 manual reproduction

I've manage to reproduce errors on a GCP Kubernetes cluster identical to the one used in Prow.

Below are test results. There ware 10 lost events, 505 total.

In other files are errors that I've noticed, and fetched with Stackdriver Log Viewer UI.

020-01-17T17:47:26.585+0100	INFO	prober/verify.go:35	Fetched receiver report. Events propagated: 495. State: failed
View activator-947bd7448-9mxxv-activator.log
2020/01/03 14:36:38 Registering 5 clients
2020/01/03 14:36:38 Registering 2 informer factories
2020/01/03 14:36:38 Registering 3 informers
{"level":"info","ts":"2020-01-03T14:36:38.541Z","caller":"logging/config.go:108","msg":"Successfully created the logger.","knative.dev/jsonconfig":"{\n \"level\": \"info\",\n \"development\": false,\n \"outputPaths\": [\"stdout\"],\n \"errorOutputPaths\": [\"stderr\"],\n \"encoding\": \"json\",\n \"encoderConfig\": {\n \"timeKey\": \"ts\",\n \"levelKey\": \"level\",\n \"nameKey\": \"logger\",\n \"callerKey\": \"caller\",\n \"messageKey\": \"msg\",\n \"stacktraceKey\": \"stacktrace\",\n \"lineEnding\": \"\",\n \"levelEncoder\": \"\",\n \"timeEncoder\": \"iso8601\",\n \"durationEncoder\": \"\",\n \"callerEncoder\": \"\"\n }\n}"}
{"level":"info","ts":"2020-01-03T14:36:38.541Z","caller":"logging/config.go:109","msg":"Logging level set to info"}
{"level":"info","ts":"2020-01-03T14:36:38.541Z","caller":"logging/config.go:76","msg":"Fetch
@cardil
cardil / knative-serving-operator.log
Created Nov 26, 2019
knative-serving-operator.log
View knative-serving-operator.log
{"level":"info","ts":1574791351.2938538,"logger":"cmd","msg":"Go Version: go1.13.4"}
{"level":"info","ts":1574791351.2938857,"logger":"cmd","msg":"Go OS/Arch: linux/amd64"}
{"level":"info","ts":1574791351.2938917,"logger":"cmd","msg":"Version of operator-sdk: v0.8.0"}
{"level":"info","ts":1574791351.2943332,"logger":"leader","msg":"Trying to become the leader."}
{"level":"info","ts":1574791351.4278533,"logger":"leader","msg":"No pre-existing lock was found."}
{"level":"info","ts":1574791351.4339006,"logger":"leader","msg":"Became the leader."}
{"level":"info","ts":1574791351.5361984,"logger":"cmd","msg":"Registering Components."}
{"level":"info","ts":1574791351.536406,"logger":"manifestival","msg":"Reading file","name":"deploy/resources"}
{"level":"info","ts":1574791351.552737,"logger":"openshift","msg":"Detected","gvk":"route.openshift.io/v1, Kind=route"}
{"level":"info","ts":1574791351.5529993,"logger":"openshift","msg":"Dropping APIService for v1beta1.custom.metrics.k8s.io"}
@cardil
cardil / aws-vpc-limits.groovy
Created Oct 17, 2019
A littple script that fetches VPC releated AWS quotas
View aws-vpc-limits.groovy
import groovy.json.JsonSlurper
def regions = ["us-west-1", "us-west-2", "us-east-1", "us-east-2", "eu-west-1"]
def vpcService = 'vpc'
def vpcCode = 'L-F678F1CE'
def elasticIpService = 'ec2'
def elasticIpCode = 'L-0263D0A3'
println "Current AWS limits"
println "------------------"
@cardil
cardil / JEP.md
Last active Nov 23, 2020
[Draft] JEP - Change name of imported type (aliasing)
View JEP.md

Summary

Change name of imported type (aliasing)

Goals

The goal is to make code more productive and clean in cases where multiple classes with same name must be used in code. It should relief a developers frustration in that

@cardil
cardil / BOM_JS.md
Last active Jan 15, 2019
Bill of Materials (BOM) dla JS [PL]
View BOM_JS.md

Chciałem opisać koncept pracy nad dużym projektem. Wyobraźmy sobie duży projekt, wiele osób, wiele zakresów biznesowych, wiele osobnych backendów, wszystko powinno być zintegrowane do jednej spójnej aplikacji. Przy takim projekcie proponowałbym pracę w z użyciem projektu BOM (Bill of Materials).

Ten koncept wywodzi się z skomplikowanych projektów ze świata Java.

Poniżej graf przedstawiający taką strukturę.

View Example fact with error checking.rb
Fact.new(:databases) do
setcode do
output = Facter::Util::Resolution.exec('pgsql listdb')
if $?.success?
{
status: :ok,
list: output.split("\n")
}
else:
raise output
You can’t perform that action at this time.