How to perform a HealthCheck on phpldapadmin?

[lsampaioweb]

I'm running openldap and phpldapadmin from a docker-compose file, for the openldap I was able to configure a healthcheck with "test: ldapwhoami -xH ldapi:// || exit 1". Is this the best way?

How can I perform a HealthCheck on phpldapadmin if you guys removed curl and wget?

I would like to run: test: curl --fail -s http://localhost/ || exit 1

[ChrisSamo632]

Maybe not ideal, but I've used pgrep:

    healthcheck:
      test: ["CMD-SHELL", "[ $$(pgrep -u www-data -c -f /usr/sbin/apache2) -gt 0 ] || exit 1"]

Doesn't prove the UI is actually available, but at least confirms the Apache httpd process is running (which should be service the PHP, but it could have errored and not shutdown).

[williamdes]

I use this PHP script It connects and checks the ssl fingerprint and exists+echo 0 if the contents where received, else exit+echo 1

        healthcheck:
            test: 'php -r ''$$c = is_string(file_get_contents("https://localhost?ping=pong", false, stream_context_create(["ssl" => ["verify_peer"=> false, "verify_peer_name"=> true, "peer_name"=> "${DOMAIN_NAME}", "peer_fingerprint" => openssl_x509_fingerprint(file_get_contents("/container/service/phpldapadmin/assets/apache2/certs/fullchain.cer")) ]]))); echo $$c; exit($$c === true ? 0 : 1);'''
            interval: 30s
            timeout: 3s
            retries: 3

$ docker inspect phpldapadmin | jq '.[0].State'

{
  "Status": "running",
  "Running": true,
  "Paused": false,
  "Restarting": false,
  "OOMKilled": false,
  "Dead": false,
  "Pid": 470473,
  "ExitCode": 0,
  "Error": "",
  "StartedAt": "2020-12-27T18:15:12.513689311Z",
  "FinishedAt": "0001-01-01T00:00:00Z",
  "Health": {
    "Status": "healthy",
    "FailingStreak": 0,
    "Log": [
      {
        "Start": "2020-12-27T19:33:17.885448755+01:00",
        "End": "2020-12-27T19:33:18.033460367+01:00",
        "ExitCode": 0,
        "Output": "1"
      },
      {
        "Start": "2020-12-27T19:33:48.043926373+01:00",
        "End": "2020-12-27T19:33:48.14391669+01:00",
        "ExitCode": 0,
        "Output": "1"
      },
      {
        "Start": "2020-12-27T19:34:18.154210888+01:00",
        "End": "2020-12-27T19:34:18.311065497+01:00",
        "ExitCode": 0,
        "Output": "1"
      },
      {
        "Start": "2020-12-27T19:34:48.321082568+01:00",
        "End": "2020-12-27T19:34:48.475726883+01:00",
        "ExitCode": 0,
        "Output": "1"
      },
      {
        "Start": "2020-12-27T19:35:18.485696749+01:00",
        "End": "2020-12-27T19:35:18.647521269+01:00",
        "ExitCode": 0,
        "Output": "1"
      }
    ]
  }
}

[saschabrockel]

Maybe not ideal, but I've used pgrep:

    healthcheck:
      test: ["CMD-SHELL", "[ $$(pgrep -u www-data -c -f /usr/sbin/apache2) -gt 0 ] || exit 1"]

Doesn't prove the UI is actually available, but at least confirms the Apache httpd process is running (which should be service the PHP, but it could have errored and not shutdown).

I have used your command for a long time now in a docker-compose and it worked well. I'm trying to use the same command in docker run and it seems to be impossible. I have no idea what is wrong but the syntax will always complain. I tried like 10 different variants of this command but it won't work. I need docker run for my UNRAID system...