Compress to Cloud Geotiff stub in ArcGIS Pro python toolbox (rename to *.pyt to get Pro to recognize it)

ImageRepo.py

# -*- coding: utf-8 -*-
import arcpy
from osgeo import gdal
gdal.UseExceptions()

class Toolbox(object):
    def __init__(self):
        """Define the toolbox (the name of the toolbox is the name of the
        .pyt file)."""
        self.label = "Toolbox"
        self.alias = "toolbox"

        # List of tool classes associated with this toolbox
        self.tools = [Tool]

class Tool(object):
    def __init__(self):
        """Gdal to Cloud Geotiff translator."""
        self.label = "GdalToCog"
        self.description = "Compress a raster to Cloud Optimized Geotiff, using the options that work best for our imagery at Environment Yukon"
        self.canRunInBackground = False

    def getParameterInfo(self):
        """Define parameter definitions"""
        params = []
        params += [arcpy.Parameter(
            displayName = "Input Raster",
            name = "in_raster",
            datatype="GPRasterLayer",
            parameterType="Required",
            direction="Input"
            )]
        params += [arcpy.Parameter(
            displayName="Output Raster",
            name="out_raster",
            datatype="DERasterDataset",
            parameterType="Required",
            direction="Output"
            )]
        return params

    def isLicensed(self):
        """Set whether tool is licensed to execute."""
        return True

    def updateParameters(self, parameters):
        """Modify the values and properties of parameters before internal
        validation is performed.  This method is called whenever a parameter
        has been changed."""
        return

    def updateMessages(self, parameters):
        """Modify the messages created by internal validation for each tool
        parameter.  This method is called after internal validation."""
        return

    def execute(self, parameters, messages):
        """Source code (adapted from 'gdal-to-cog.py')"""
        
        infile  = parameters[0].valueAsText
        outfile = parameters[1].valueAsText

        gdal.SetConfigOption('GDAL_CACHEMAX','30%')
        options = ["COMPRESS=ZSTD", "PREDICTOR=YES", "LEVEL=17", "BIGTIFF=YES",
            "NUM_THREADS=ALL_CPUS",]

        def progress_cb(complete, message, cb_data):
            '''Emit progress report in numbers for 10% intervals and dots for 3%'''
            if int(complete*100) % 10 == 0:
                print(f'{complete*100:.0f}', end='', flush=True)
            elif int(complete*100) % 3 == 0:
                print(f'{cb_data}', end='', flush=True)

        arcpy.AddMessage(f'Translating {infile} to {outfile}')
        gdal.Translate(outfile, infile, creationOptions=options, 
            format="COG",
            callback=progress_cb,
            callback_data='.'
            )
        return