pkutaj

STEP#	CODE	COMMENT
01	echo -n "Are you sure (Y/N)? "	print prompt just once with echo
02	answered=	initiate an empty test binding
03	while [[ ! $answered ]]; do	loop until test binding is populated
04	read -r -n 1 -s answer	get input, supress escape, only 1 char, supress input
05	if [[ $answer = [Yy] ]]; then	test if input is y or Y
06	answered="yes"	..if true, set test binding to yes → step #12
07	elif [[ $answer = [Nn] ]]; then	else, test is input is n or N
08	answered="no"	..if trye, set test binding to no → step #12

pkutaj

moduleMissingError = 'Missing dependency module: Run "pip install -r requirements.txt" → Retry'
try:
    import #<module1>
    import #<package2>
    import #<subpackage1>
except ImportError:
    sys.exit(moduleMissingError)

pkutaj

# Sometimes URL is copied from a browser and arrives as
# https://consul.foo.com/client/ami_size/edit
# Othertimes URL is copied from Consul CLI and arrives as
# client/ami_size
# And I just need the actual key, being 'ami_size' for the script

$url = ($url -match "^https://") ? 
       ($url -replace "https://consul.foo.com/client/", "") -replace "/edit", "":
       ($url -replace "client/", "")

pkutaj

### func1
function query-consul () {
    param (
        [String[]]$consul_keys, 
        [String]$queryString, 

    )
    foreach ($consul_key in $consul_keys) {
        consul kv get -recurse $consul_key_ |
            Select-String $queryString

pkutaj

NR	CODE	COMMENT
#1	response = requests.get(url,...)	within a try block, create variable with a response object
#2	response.raise_for_status()	raises exception 4xx & 5xx HTTP Statuses/errors
#3	except requests.exceptions.RequestException as e:	exception base class for all other exceptions
#4	print(e, file=sys.stderr)	print exception object into stderr stream

pkutaj

function test-certificate([string[]]$domains, $contextLength = 10, [switch]$download) {   
    $cacertPath = "${env:USERPROFILE}\cacert.pem"
    if (-not(Test-Path $cacertPath)) {
        Invoke-WebRequest "https://curl.se/ca/cacert.pem" -OutFile "${env:USERNAME}\cacert.pem"
    }
    foreach ($domain in $domains) {
        $connectDomain = $domain + ":443"
        if ($download) {
            echo "q" | 
                openssl s_client -servername $domain -connect $connectDomain -CAfile $cacertPath  | 

pkutaj

ATTRIBUTE	ON PREM	CLOUD
COSTS_INIT	great / CAPEX (capital expenses)	small / OPEX (operational/variable expense)
COSTS_MAINTENANCE	expensive / need to staff data center (DC)	elastic / cheaper (economies of scale)
COMPLIANCE	own responsibility	shared responsibility model / less risk
DEPLOYMENT_PACE	slow	fast / efficient (economies of scale) / go global in minutes
FORECASTING	difficult / imprecise	elastic scaling
FINANCING	no money no honey	speed and agility / test capacity against real users with minimal costs
RELIABILITY	additional dimension / failovers required	global infra built with reliability in mind

pkutaj

TYPE NAME	DESCRIPTION
AT_SEQUENCE_NUMBER	Start reading from the position denoted by a specific sequence number, provided in the value StartingSequenceNumber.
AFTER_SEQUENCE_NUMBER	Start reading right after the position denoted by a specific sequence number, provided in the value StartingSequenceNumber.
AT_TIMESTAMP	Start reading from the position denoted by a specific timestamp, provided in the value Timestamp.
TRIM_HORIZON	Start reading at the last untrimmed record in the shard in the system, which is the OLDEST data record in the shard.
LATEST	Start reading just after the most recent record in the shard, so that you always read the NEWEST data record in the shard.

pkutaj

THE CASE OF WORK WITH REGEX MATCHES

the case

the puzzle is, how to assign a match in regex search to a new variable: to test-path it and eventually create a folder, if the test fails.

solution

Use the -match with your regex and find the matches in the build-in $matches hash table!

sources

• PowerShell - Regex put match result into a variable

pkutaj

function test-certificate($domain, $contextLength = 10) {
    
    $cacertPath = "c:\cacert.pem"
    $domain += ":443"
    echo "q" | openssl s_client -connect $domain -CAfile $cacertPath  | openssl x509 -noout -enddate | sls "notAfter.*"
    echo "q" | openssl s_client -connect $domain -CAfile $cacertPath  | sls "certificate chain" -Context $contextLength
    Write-Host "~~~" -ForegroundColor darkcyan
    Write-Host "→ If needed, pass a desired output length after domainname" -ForegroundColor darkcyan
    Write-Host "→ To update the list of trusted Certificates, run:" -ForegroundColor darkcyan
    Write-Host "→ Invoke-WebRequest https://curl.se/ca/cacert.pem -OutFile 'c:\cacert.pem'" -ForegroundColor darkcyan