Logging messages from scripts

Write-Verbose "This will be logged as a Verbose message - verbose messages are hidden by default"
Write-Host "This will be logged as Information"
Write-Output "This will be logged as Information too!"
Write-Highlight "This is a highlight"
Write-Wait "Deployment is waiting on something"
Write-Warning "This will be logged as a Warning"
Write-Error "This will be logged as an Error and may cause your script to stop running - take a look at the section on Error Handling"

Console.WriteLine("This will be logged as Information");
Console.Out.WriteLine("This will be logged as Information too!");
Console.Error.WriteLine("This will be logged as an Error.");
WriteVerbose("Verbose!!!");
WriteHighlight("This is a highlight");
WriteWait("Deployment is waiting on something");
WriteWarning("Warning");

echo "This will be logged as Information"
write_verbose "Verbose!!"
write_highlight "This is a highlight"
write_wait "Deployment is waiting on something"
write_warning "Warning"
>&2 echo "This will be logged as an Error"
echoerror() { echo "$@" 1>&2; }
echoerror "You can even define your own function to echo an error!"

printfn "This will be logged as Information"
writeVerbose "Verbose!!"
writeHighlight "This is a highlight"
writeWait "Deployment is waiting on something"
writeWarning "Warning"
eprintfn "This will be logged as Error"

print("This will be logged as Information")
printverbose("Verbose!")
printhighlight("This is a highlight")
printwait("Deployment is waiting on something")
printwarning("Warning")
print("This will be logged as an error", file=sys.stderr)

Update-Progress 10
Update-Progress 50 "We're halfway there!"

UpdateProgress(10);
UpdateProgress(50, "We're halfway there!");

update_progress 10
update_progress 50 "We're halfway there!"

Octopus.updateProgress 10
Octopus.updateProgress 50 "We're halfway there!"

updateprogress(10)
updateprogress(50, 'We\'re halfway there!')

private static string EncodeServiceMessageValue(string value)
{
    var valueBytes = System.Text.Encoding.UTF8.GetBytes(value);
    return Convert.ToBase64String(valueBytes);
}

Console.WriteLine("##octopus[progress percentage='{0}' message='{1}']", EncodeServiceMessageValue(percentage.ToString()), EncodeServiceMessageValue(message));

let private encode (value:string) = System.Text.Encoding.UTF8.GetBytes(value) |> Convert.ToBase64String
let private writeServiceMessage name content =  printfn "##octopus[%s %s]" name content
let updateProgress (percentage: int) message =
    let encodedMessage = message |> encode
    let encodedPercentage = percentage.ToString() |> encode
    let content = sprintf "percentage='%s' message='%s'" encodedPercentage encodedMessage
    writeServiceMessage "progress" content

def encode(value):
    return base64.b64encode(value.encode('utf-8')).decode('utf-8')

def updateprogress(progress, message=None):
    encodedProgress = encode(str(progress))
    encodedMessage = encode(message)

    print("##octopus[progress percentage='{0}' message='{1}']".format(encodedProgress, encodedMessage))

function encode_service_message_value
{
	echo -n "$1" | openssl enc -base64 -A
}

echo "##octopus[progress percentage='$(encode_service_message_value "$1")' message='$(encode_service_message_value "$2")']"