check if an Azure DevOps Service Connect is accessible

azure_pipelines.yaml

resources:
- repo: self

trigger:
  branches:
    include:
    - master

# variables:
  # container_registry: 'agogosacrdemo.azurecr.io/'
  # service_endpoint_guid: $AGO_AZURE_SUBSCRIPTION_ENDPOINT
  # acccess_token: $SYSTEM_ACCESSTOKEN

jobs:
- job: Phase_1
  displayName: Agogosml-Build-CI
  condition: succeeded()

  steps:
  - bash: |
      env
    displayName: 'dump the env'

  - task: ShellScript@2
    env:
      SYSTEM_ACCESSTOKEN: $(System.AccessToken)
    inputs:
      scriptPath: ./private.sh
    displayName: 'Get service endpoint information'
      
  - bash: |
      JQ_INSTALLED="$(command -v jq)"
      if [ -z "$JQ_INSTALLED" ]; then
        echo "JQ not installed - exiting"
        exit 1
      else
        echo "JQ installed at - ${JQ_INSTALLED}"
      fi

    displayName: 'check if jq is installed'

  - bash: |
      if [ -z "$AGO_AZURE_SUBSCRIPTION_ENDPOINT" ]; then
        echo "AGO_AZURE_SUBSCRIPTION_ENDPOINT not set - exiting"
        exit 1
      else
        echo "AGO_AZURE_SUBSCRIPTION_ENDPOINT - ${AGO_AZURE_SUBSCRIPTION_ENDPOINT}"
      fi

    displayName: 'echo the service endpoint information'


  - bash: |
      env
    displayName: 'dump the env'

  - bash: echo This is a script that could use $SYSTEM_ACCESSTOKEN
    env:
      SYSTEM_ACCESSTOKEN: $(System.AccessToken)
      
    displayName: 'set token'

  - bash: echo ${SYSTEM_ACCESSTOKEN}
    env:
      SYSTEM_ACCESSTOKEN: $(System.AccessToken)
      
    displayName: 'echo token'

checkEndpoint.sh

#!/usr/bin/env bash
endpointId="66631332-2be3-46e4-b217-0c59776cc935"

echo "calling DevOps REST API"

body=$(curl --request GET \
  --url $SYSTEM_TEAMFOUNDATIONCOLLECTIONURI/$SYSTEM_TEAMPROJECT/_apis/serviceendpoint/endpoints/$endpointId?api-version=5.0-preview.2 \
  --header "Authorization: Bearer ${SYSTEM_ACCESSTOKEN}" \
  --header 'cache-control: no-cache')

echo $body

echo "parsing json"

result=$(echo $body | jq ". |  select( .id | test(\"^${endpointId}$\"; \"i\")) ")


echo "checking result"
if [ -z "$result" ]; then
    echo 'not found'
    exit 1
else
    echo $result
    exit 0
fi