neomantra

// NewPointerValueMap converts a map[string]*T to a map[string]T, omitting nil pointers.
func NewPointerValueMap[K comparable, V any](src map[K]*V) map[K]V {
	dst := make(map[K]V)
	for k, ptr := range src {
		if ptr != nil {
			dst[k] = *ptr
		}
	}
	return dst
}

neomantra

func VerifyDirectoryExists(dirPath string) error {
	if fileInfo, err := os.Stat(dirPath); err != nil {
		if os.IsNotExist(err) {
			return fmt.Errorf("directory '%s' does not exist", dirPath)
		} else {
			return fmt.Errorf("error filestat on '%s': %w", dirPath, err)
		}
	} else if !fileInfo.IsDir() {
		return fmt.Errorf("'%s' exists but is not a directory", dirPath)
	}

neomantra

// Copyright (c) 2024 Neomantra BV
//
// Opinionated Reader/Writer wrappers

package nmio

import (
	"compress/gzip"
	"io"
	"os"

neomantra

# Grafana PDC -- private network tunnel
# This is templated by Terraform templatefile()
# https://grafana.com/docs/grafana-cloud/connect-externally-hosted/private-data-source-connect/configure-pdc/

job "grafana-pdc" {
  region = "global"
  datacenters = ["${NOMAD_DATACENTER}"]
  namespace = "${NOMAD_NAMESPACE}"
  type = "service"

neomantra

events {
  worker_connections  4096;  ## Default: 1024
}

http {
    # DEBUG:
    map $uri $proxy_uri_base {
        "~/crypto-proxy/(?<proxy_base>[^/]*)" $proxy_base;
        default $uri;
    }