utils.ts

import { removeTrailingSlash, requiredEnv } from '@cpn-console/shared'
import { CoreV1Api, CustomObjectsApi, KubeConfig } from '@kubernetes/client-node'

const config: {
  grafanaUrl?: string
  kubeconfigPath?: string
  kubeconfigCtx?: string
  keycloakProtocol?: string
  keycloakDomain?: string
  keycloakRealm?: string
  keycloakToken?: string
  keycloakUser?: string
} = {
  grafanaUrl: undefined,
  kubeconfigPath: undefined,
  kubeconfigCtx: undefined,
  keycloakProtocol: undefined,
  keycloakDomain: undefined,
  keycloakRealm: undefined,
  keycloakToken: undefined,
  keycloakUser: undefined,
}

export function getConfig(): Required<typeof config> {
  config.grafanaUrl = config.grafanaUrl ? removeTrailingSlash(config.grafanaUrl) : removeTrailingSlash(requiredEnv('GRAFANA_URL'))
  config.keycloakProtocol = config.keycloakProtocol ?? requiredEnv('KEYCLOAK_PROTOCOL')
  config.keycloakDomain = config.keycloakDomain ?? requiredEnv('KEYCLOAK_DOMAIN')
  config.keycloakRealm = config.keycloakRealm ?? requiredEnv('KEYCLOAK_REALM')
  config.keycloakToken = config.keycloakToken ?? requiredEnv('KEYCLOAK_ADMIN_PASSWORD')
  config.keycloakUser = config.keycloakUser ?? requiredEnv('KEYCLOAK_ADMIN')
  // @ts-ignore
  return config
}

function getClient() {
  const kubeconfigCtx = process.env.KUBECONFIG_CTX
  const kubeconfigPath = process.env.KUBECONFIG_PATH
  const kc = new KubeConfig()
  if (kubeconfigPath) {
    kc.loadFromFile(kubeconfigPath)
    if (kubeconfigCtx) {
      kc.setCurrentContext(kubeconfigCtx)
    }
    return kc
  }
  kc.loadFromCluster()
  return kc
}

let k8sApi: CoreV1Api | undefined
let customK8sApi: CustomObjectsApi | undefined

export function getK8sApi(): CoreV1Api {
  k8sApi = k8sApi ?? getClient().makeApiClient(CoreV1Api)
  return k8sApi
}

export function getCustomK8sApi(): CustomObjectsApi {
  customK8sApi = customK8sApi ?? getClient().makeApiClient(CustomObjectsApi)
  return customK8sApi
}

export type Stage = 'prod' | 'hprod'

export interface TenantInfo {
  groups: string[]
  type: 'prod' | 'hprod'
  name: string // tenant name, short-uuid or slug
}
export interface TenantKeycloakMapper {
  [x: string]: TenantInfo // fullName, type + (short-uuid or slug)
}

const re = /[a-z0-9]{25}--[a-z0-9]{25}/
export function isNewNsName(ns: string) {
  return re.test(ns)
}