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mod_measure_modules: Report module statuses via OpenMetrics Someone in the chat asked about a health check endpoint, which reminded me of mod_http_status, which provides access to module statuses with full details. After that, this idea came about, which seems natural. As noted in the README, it could be used to monitor that critical modules are in fact loaded correctly. As more modules use the status API, the more useful this module and mod_http_status becomes.
author Kim Alvefur <zash@zash.se>
date Fri, 06 Oct 2023 18:34:39 +0200
parents 3276750332ea
children bdcb61275afe
line wrap: on
line source

{
   "_common" : {
      "dataform" : {
         "properties" : {
            "fields" : {
               "items" : {
                  "properties" : {
                     "desc" : {
                        "type" : "string"
                     },
                     "label" : {
                        "type" : "string",
                        "xml" : {
                           "attribute" : true
                        }
                     },
                     "options" : {
                        "items" : {
                           "properties" : {
                              "label" : {
                                 "type" : "string",
                                 "xml" : {
                                    "attribute" : true
                                 }
                              },
                              "value" : {
                                 "type" : "string"
                              }
                           },
                           "type" : "object",
                           "xml" : {
                              "name" : "option"
                           }
                        },
                        "type" : "array"
                     },
                     "required" : {
                        "type" : "boolean",
                        "xml" : {
                           "x_name_is_value" : true
                        }
                     },
                     "type" : {
                        "enum" : [
                           "boolean",
                           "fixed",
                           "hidden",
                           "jid-multi",
                           "jid-single",
                           "list-multi",
                           "list-single",
                           "text-multi",
                           "text-private",
                           "text-single"
                        ],
                        "type" : "string",
                        "xml" : {
                           "attribute" : true
                        }
                     },
                     "values" : {
                        "items" : {
                           "type" : "string",
                           "xml" : {
                              "name" : "value"
                           }
                        },
                        "type" : "array"
                     },
                     "var" : {
                        "type" : "string",
                        "xml" : {
                           "attribute" : true
                        }
                     }
                  },
                  "type" : "object",
                  "xml" : {
                     "name" : "field"
                  }
               },
               "type" : "array"
            },
            "instructions" : {
               "type" : "string"
            },
            "title" : {
               "type" : "string"
            },
            "type" : {
               "enum" : [
                  "cancel",
                  "form",
                  "result",
                  "submit"
               ],
               "type" : "string",
               "xml" : {
                  "attribute" : true
               }
            }
         },
         "title" : "XEP-0004: Data Forms",
         "type" : "object",
         "xml" : {
            "name" : "x",
            "namespace" : "jabber:x:data"
         }
      },
      "delay" : {
         "description" : "Timestamp of when a stanza was delayed, in ISO 8601 / XEP-0082 format.",
         "format" : "date-time",
         "title" : "XEP-0203: Delayed Delivery",
         "type" : "string",
         "xml" : {
            "name" : "delay",
            "namespace" : "urn:xmpp:delay",
            "x_single_attribute" : "stamp"
         }
      },
      "from" : {
         "description" : "the sender of the stanza",
         "example" : "bob@example.net",
         "format" : "xmpp-jid",
         "type" : "string",
         "xml" : {
            "attribute" : true
         }
      },
      "id" : {
         "description" : "Reasonably unique id. mod_rest generates one if left out.",
         "type" : "string",
         "xml" : {
            "attribute" : true
         }
      },
      "lang" : {
         "description" : "Language code",
         "example" : "en",
         "type" : "string",
         "xml" : {
            "attribute" : true,
            "prefix" : "xml"
         }
      },
      "nick" : {
         "type" : "string",
         "xml" : {
            "name" : "nick",
            "namespace" : "http://jabber.org/protocol/nick"
         }
      },
      "payload" : {
         "properties" : {
            "data" : {
               "format" : "json",
               "type" : "string",
               "xml" : {
                  "text" : true
               }
            },
            "datatype" : {
               "type" : "string",
               "xml" : {
                  "attribute" : true
               }
            }
         },
         "title" : "XEP-0432: Simple JSON Messaging",
         "type" : "object",
         "xml" : {
            "namespace" : "urn:xmpp:json-msg:0"
         }
      },
      "rsm" : {
         "properties" : {
            "after" : {
               "type" : "string"
            },
            "before" : {
               "type" : "string"
            },
            "count" : {
               "type" : "integer"
            },
            "first" : {
               "type" : "string"
            },
            "index" : {
               "type" : "integer"
            },
            "last" : {
               "type" : "string"
            },
            "max" : {
               "type" : "integer"
            }
         },
         "title" : "XEP-0059: Result Set Management",
         "type" : "object",
         "xml" : {
            "name" : "set",
            "namespace" : "http://jabber.org/protocol/rsm"
         }
      },
      "to" : {
         "description" : "the intended recipient for the stanza",
         "example" : "alice@example.com",
         "format" : "xmpp-jid",
         "type" : "string",
         "xml" : {
            "attribute" : true
         }
      },
      "type" : {
         "description" : "Stanza type",
         "type" : "string",
         "xml" : {
            "attribute" : true
         }
      }
   },
   "properties" : {
      "iq" : {
         "properties" : {
            "archive" : {
               "properties" : {
                  "form" : {
                     "$ref" : "#/_common/dataform"
                  },
                  "page" : {
                     "$ref" : "#/_common/rsm"
                  },
                  "queryid" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  }
               },
               "type" : "object",
               "xml" : {
                  "name" : "query",
                  "namespace" : "urn:xmpp:mam:2"
               }
            },
            "dataform" : {
               "$ref" : "#/_common/dataform"
            },
            "delay" : {
               "$ref" : "#/_common/delay"
            },
            "extdisco" : {
               "properties" : {
                  "services" : {
                     "items" : {
                        "properties" : {
                           "expires" : {
                              "format" : "date-time",
                              "type" : "string",
                              "xml" : {
                                 "attribute" : true
                              }
                           },
                           "host" : {
                              "type" : "string",
                              "xml" : {
                                 "attribute" : true
                              }
                           },
                           "name" : {
                              "type" : "string",
                              "xml" : {
                                 "attribute" : true
                              }
                           },
                           "password" : {
                              "type" : "string",
                              "xml" : {
                                 "attribute" : true
                              }
                           },
                           "port" : {
                              "type" : "integer",
                              "xml" : {
                                 "attribute" : true
                              }
                           },
                           "restricted" : {
                              "type" : "boolean",
                              "xml" : {
                                 "attribute" : true
                              }
                           },
                           "transport" : {
                              "type" : "string",
                              "xml" : {
                                 "attribute" : true
                              }
                           },
                           "type" : {
                              "type" : "string",
                              "xml" : {
                                 "attribute" : true
                              }
                           },
                           "username" : {
                              "type" : "string",
                              "xml" : {
                                 "attribute" : true
                              }
                           }
                        },
                        "required" : [
                           "type",
                           "host"
                        ],
                        "type" : "object",
                        "xml" : {
                           "name" : "service"
                        }
                     },
                     "type" : "array"
                  },
                  "type" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  }
               },
               "title" : "XEP-0215: External Service Discovery",
               "type" : "object",
               "xml" : {
                  "name" : "services",
                  "namespace" : "urn:xmpp:extdisco:2"
               }
            },
            "from" : {
               "$ref" : "#/_common/from"
            },
            "gateway" : {
               "properties" : {
                  "desc" : {
                     "type" : "text"
                  },
                  "jid" : {
                     "type" : "string"
                  },
                  "prompt" : {
                     "type" : "string"
                  }
               },
               "title" : "XEP-0100: Gateway Interaction",
               "type" : "object",
               "xml" : {
                  "name" : "query",
                  "namespace" : "jabber:iq:gateway"
               }
            },
            "id" : {
               "$ref" : "#/_common/id"
            },
            "lang" : {
               "$ref" : "#/_common/lang"
            },
            "lastactivity" : {
               "properties" : {
                  "seconds" : {
                     "minimum" : 0,
                     "type" : "integer",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "status" : {
                     "type" : "string",
                     "xml" : {
                        "text" : true
                     }
                  }
               },
               "title" : "XEP-0012: Last Activity",
               "type" : "object",
               "xml" : {
                  "name" : "query",
                  "namespace" : "jabber:iq:last"
               }
            },
            "nick" : {
               "$ref" : "#/_common/nick"
            },
            "oob" : {
               "properties" : {
                  "desc" : {
                     "type" : "string"
                  },
                  "url" : {
                     "format" : "uri",
                     "type" : "string"
                  }
               },
               "title" : "XEP-0066: Out of Band Data",
               "type" : "object",
               "xml" : {
                  "name" : "query",
                  "namespace" : "jabber:iq:oob"
               }
            },
            "payload" : {
               "$ref" : "#/_common/payload"
            },
            "ping" : {
               "description" : "Test reachability of some XMPP address",
               "enum" : [
                  true
               ],
               "title" : "XEP-0199: XMPP Ping",
               "type" : "boolean",
               "xml" : {
                  "name" : "ping",
                  "namespace" : "urn:xmpp:ping",
                  "x_name_is_value" : true
               }
            },
            "register" : {
               "description" : "Register with a service",
               "properties" : {
                  "address" : {
                     "type" : "string"
                  },
                  "city" : {
                     "type" : "string"
                  },
                  "date" : {
                     "type" : "string"
                  },
                  "email" : {
                     "type" : "string"
                  },
                  "first" : {
                     "type" : "string"
                  },
                  "instructions" : {
                     "type" : "string"
                  },
                  "key" : {
                     "type" : "string"
                  },
                  "last" : {
                     "type" : "string"
                  },
                  "misc" : {
                     "type" : "string"
                  },
                  "name" : {
                     "type" : "string"
                  },
                  "nick" : {
                     "type" : "string"
                  },
                  "password" : {
                     "type" : "string"
                  },
                  "phone" : {
                     "type" : "string"
                  },
                  "registered" : {
                     "type" : "boolean",
                     "xml" : {
                        "x_name_is_value" : true
                     }
                  },
                  "remove" : {
                     "type" : "boolean",
                     "xml" : {
                        "x_name_is_value" : true
                     }
                  },
                  "state" : {
                     "type" : "string"
                  },
                  "text" : {
                     "type" : "string"
                  },
                  "url" : {
                     "type" : "string"
                  },
                  "username" : {
                     "type" : "string"
                  },
                  "zip" : {
                     "type" : "string"
                  }
               },
               "required" : [
                  "username",
                  "password"
               ],
               "title" : "XEP-0077: In-Band Registration",
               "type" : "object",
               "xml" : {
                  "name" : "query",
                  "namespace" : "jabber:iq:register"
               }
            },
            "result" : {
               "properties" : {
                  "page" : {
                     "$ref" : "#/_common/rsm"
                  }
               },
               "type" : "object",
               "xml" : {
                  "name" : "fin",
                  "namespace" : "urn:xmpp:mam:2"
               }
            },
            "rsm" : {
               "$ref" : "#/_common/rsm"
            },
            "stats" : {
               "description" : "Simple statistics gathering, array of (name, unit, value) tuples.",
               "items" : {
                  "properties" : {
                     "name" : {
                        "type" : "string",
                        "xml" : {
                           "attribute" : true
                        }
                     },
                     "unit" : {
                        "type" : "string",
                        "xml" : {
                           "attribute" : true
                        }
                     },
                     "value" : {
                        "type" : "number",
                        "xml" : {
                           "attribute" : true
                        }
                     }
                  },
                  "type" : "object",
                  "xml" : {
                     "name" : "stat"
                  }
               },
               "title" : "XEP-0039: Statistics Gathering",
               "type" : "array",
               "xml" : {
                  "name" : "query",
                  "namespace" : "http://jabber.org/protocol/stats",
                  "wrapped" : true
               }
            },
            "to" : {
               "$ref" : "#/_common/to"
            },
            "type" : {
               "$ref" : "#/_common/type"
            },
            "upload_request" : {
               "properties" : {
                  "content-type" : {
                     "xml" : {
                        "attribute" : true,
                        "name" : "content-type"
                     }
                  },
                  "filename" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "size" : {
                     "type" : "integer",
                     "xml" : {
                        "attribute" : true
                     }
                  }
               },
               "required" : [
                  "filename",
                  "size"
               ],
               "type" : "object",
               "xml" : {
                  "name" : "request",
                  "namespace" : "urn:xmpp:http:upload:0"
               }
            },
            "upload_slot" : {
               "properties" : {
                  "get" : {
                     "properties" : {
                        "url" : {
                           "format" : "uri",
                           "type" : "string",
                           "xml" : {
                              "attribute" : true
                           }
                        }
                     },
                     "type" : "object"
                  },
                  "put" : {
                     "properties" : {
                        "headers" : {
                           "items" : {
                              "properties" : {
                                 "name" : {
                                    "enum" : [
                                       "Authorization",
                                       "Cookie",
                                       "Expires"
                                    ],
                                    "type" : "string",
                                    "xml" : {
                                       "attribute" : true
                                    }
                                 },
                                 "value" : {
                                    "type" : "string",
                                    "xml" : {
                                       "text" : true
                                    }
                                 }
                              },
                              "required" : [
                                 "name",
                                 "value"
                              ],
                              "type" : "object",
                              "xml" : {
                                 "name" : "header"
                              }
                           },
                           "type" : "array"
                        },
                        "url" : {
                           "format" : "uri",
                           "type" : "string",
                           "xml" : {
                              "attribute" : true
                           }
                        }
                     },
                     "type" : "object"
                  }
               },
               "type" : "object",
               "xml" : {
                  "name" : "slot",
                  "namespace" : "urn:xmpp:http:upload:0"
               }
            },
            "version" : {
               "description" : "Ask about software version information",
               "properties" : {
                  "name" : {
                     "example" : "My Software",
                     "type" : "string"
                  },
                  "os" : {
                     "example" : "Linux",
                     "type" : "string"
                  },
                  "version" : {
                     "example" : "1.0.0",
                     "type" : "string"
                  }
               },
               "required" : [
                  "name",
                  "version"
               ],
               "title" : "XEP-0092: Software Version",
               "type" : "object",
               "xml" : {
                  "name" : "query",
                  "namespace" : "jabber:iq:version"
               }
            }
         },
         "type" : "object",
         "xml" : {
            "name" : "iq",
            "namespace" : "jabber:client"
         }
      },
      "message" : {
         "properties" : {
            "archive" : {
               "properties" : {
                  "forward" : {
                     "$ref" : "#/properties/message/properties/forwarded"
                  },
                  "id" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "queryid" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  }
               },
               "title" : "XEP-0313: Message Archive Management",
               "type" : "object",
               "xml" : {
                  "name" : "result",
                  "namespace" : "urn:xmpp:mam:2"
               }
            },
            "attach_to" : {
               "title" : "XEP-0367: Message Attaching",
               "type" : "string",
               "xml" : {
                  "name" : "attach-to",
                  "namespace" : "urn:xmpp:message-attaching:1",
                  "x_single_attribute" : "id"
               }
            },
            "body" : {
               "description" : "Human-readable chat message",
               "example" : "Hello, World!",
               "type" : "string"
            },
            "dataform" : {
               "$ref" : "#/_common/dataform"
            },
            "delay" : {
               "$ref" : "#/_common/delay"
            },
            "displayed" : {
               "description" : "Message ID of a message that has been displayed",
               "title" : "XEP-0333: Chat Markers",
               "type" : "string",
               "xml" : {
                  "namespace" : "urn:xmpp:chat-markers:0",
                  "x_single_attribute" : "id"
               }
            },
            "encryption" : {
               "title" : "XEP-0380: Explicit Message Encryption",
               "type" : "string",
               "xml" : {
                  "name" : "encryption",
                  "namespace" : "urn:xmpp:eme:0",
                  "x_single_attribute" : "namespace"
               }
            },
            "fallback" : {
               "title" : "XEP-0428: Fallback Indication",
               "type" : "boolean",
               "xml" : {
                  "name" : "fallback",
                  "namespace" : "urn:xmpp:fallback:0",
                  "x_name_is_value" : true
               }
            },
            "forwarded" : {
               "properties" : {
                  "delay" : {
                     "$ref" : "#/_common/delay"
                  },
                  "message" : {
                     "$ref" : "#/properties/message"
                  }
               },
               "title" : "XEP-0297: Stanza Forwarding",
               "type" : "object",
               "xml" : {
                  "name" : "forwarded",
                  "namespace" : "urn:xmpp:forward:0"
               }
            },
            "from" : {
               "$ref" : "#/_common/from"
            },
            "id" : {
               "$ref" : "#/_common/id"
            },
            "invite" : {
               "properties" : {
                  "continue" : {
                     "type" : "boolean",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "jid" : {
                     "format" : "xmpp-jid",
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "password" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "reason" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "thread" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  }
               },
               "required" : [
                  "jid"
               ],
               "title" : "XEP-0249: Direct MUC Invitations",
               "type" : "object",
               "xml" : {
                  "name" : "x",
                  "namespace" : "jabber:x:conference"
               }
            },
            "lang" : {
               "$ref" : "#/_common/lang"
            },
            "markable" : {
               "title" : "XEP-0333: Chat Markers",
               "type" : "boolean",
               "xml" : {
                  "namespace" : "urn:xmpp:chat-markers:0",
                  "x_name_is_value" : true
               }
            },
            "nick" : {
               "$ref" : "#/_common/nick"
            },
            "occupant_id" : {
               "title" : "XEP-0421: Anonymous unique occupant identifiers for MUCs",
               "type" : "string",
               "xml" : {
                  "name" : "occupant-id",
                  "namespace" : "urn:xmpp:occupant-id:0",
                  "x_single_attribute" : "id"
               }
            },
            "oob" : {
               "description" : "Reference a media file",
               "properties" : {
                  "desc" : {
                     "description" : "Optional description",
                     "type" : "string"
                  },
                  "url" : {
                     "description" : "The URL of the attached media file",
                     "example" : "https://media.example.net/thisfile.jpg",
                     "format" : "uri",
                     "type" : "string"
                  }
               },
               "title" : "XEP-0066: Out of Band Data",
               "type" : "object",
               "xml" : {
                  "name" : "x",
                  "namespace" : "jabber:x:oob"
               }
            },
            "payload" : {
               "$ref" : "#/_common/payload"
            },
            "reactions" : {
               "properties" : {
                  "id" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "reactions" : {
                     "items" : {
                        "type" : "string",
                        "xml" : {
                           "name" : "reaction"
                        }
                     },
                     "type" : "array",
                     "xml" : {
                        "name" : "reactions",
                        "wrapped" : false
                     }
                  }
               },
               "title" : "XEP-0444: Message Reactions",
               "type" : "object",
               "xml" : {
                  "namespace" : "urn:xmpp:reactions:0"
               }
            },
            "reference" : {
               "properties" : {
                  "begin" : {
                     "minimum" : 0,
                     "type" : "integer",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "end" : {
                     "minimum" : 0,
                     "type" : "integer",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "type" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "uri" : {
                     "format" : "uri",
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  }
               },
               "required" : [
                  "type",
                  "uri"
               ],
               "title" : "XEP-0372: References",
               "type" : "object",
               "xml" : {
                  "namespace" : "urn:xmpp:reference:0"
               }
            },
            "replace" : {
               "description" : "For indicating that a message is a correction of the last sent message.",
               "title" : "XEP-0308: Last Message Correction",
               "type" : "string",
               "xml" : {
                  "name" : "replace",
                  "namespace" : "urn:xmpp:message-correct:0",
                  "x_single_attribute" : "id"
               }
            },
            "reply" : {
               "description" : "Reference a message being replied to",
               "properties" : {
                  "id" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "to" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  }
               },
               "title" : "XEP-0461: Message Replies",
               "type" : "object",
               "xml" : {
                  "name" : "reply",
                  "namespace" : "urn:xmpp:reply:0"
               }
            },
            "rsm" : {
               "$ref" : "#/_common/rsm"
            },
            "stanza_ids" : {
               "items" : {
                  "properties" : {
                     "by" : {
                        "format" : "xmpp-jid",
                        "type" : "string",
                        "xml" : {
                           "attribute" : true
                        }
                     },
                     "id" : {
                        "type" : "string",
                        "xml" : {
                           "attribute" : true
                        }
                     }
                  },
                  "required" : [
                     "id",
                     "by"
                  ],
                  "type" : "object",
                  "xml" : {
                     "name" : "stanza-id",
                     "namespace" : "urn:xmpp:sid:0"
                  }
               },
               "title" : "XEP-0359: Unique and Stable Stanza IDs",
               "type" : "array"
            },
            "state" : {
               "description" : "Chat state notifications, e.g. \"is typing...\"",
               "enum" : [
                  "active",
                  "inactive",
                  "gone",
                  "composing",
                  "paused"
               ],
               "title" : "XEP-0085: Chat State Notifications",
               "type" : "string",
               "xml" : {
                  "namespace" : "http://jabber.org/protocol/chatstates",
                  "x_name_is_value" : true
               }
            },
            "subject" : {
               "description" : "Subject of message or group chat",
               "example" : "Talking about stuff",
               "type" : "string"
            },
            "thread" : {
               "description" : "Message thread identifier",
               "properties" : {
                  "id" : {
                     "type" : "string",
                     "xml" : {
                        "text" : true
                     }
                  },
                  "parent" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  }
               },
               "type" : "object"
            },
            "to" : {
               "$ref" : "#/_common/to"
            },
            "type" : {
               "$ref" : "#/_common/type"
            }
         },
         "type" : "object",
         "xml" : {
            "name" : "message",
            "namespace" : "jabber:client"
         }
      },
      "presence" : {
         "properties" : {
            "caps" : {
               "properties" : {
                  "ext" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "hash" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "node" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  },
                  "ver" : {
                     "type" : "string",
                     "xml" : {
                        "attribute" : true
                     }
                  }
               },
               "title" : "XEP-0115: Entity Capabilities",
               "type" : "object",
               "xml" : {
                  "name" : "c",
                  "namespace" : "http://jabber.org/protocol/caps"
               }
            },
            "dataform" : {
               "$ref" : "#/_common/dataform"
            },
            "delay" : {
               "$ref" : "#/_common/delay"
            },
            "from" : {
               "$ref" : "#/_common/from"
            },
            "id" : {
               "$ref" : "#/_common/id"
            },
            "idle_since" : {
               "format" : "date-time",
               "title" : "XEP-0319: Last User Interaction in Presence",
               "type" : "string",
               "xml" : {
                  "name" : "idle",
                  "namespace" : "urn:xmpp:idle:1",
                  "x_single_attribute" : "since"
               }
            },
            "lang" : {
               "$ref" : "#/_common/lang"
            },
            "muc" : {
               "properties" : {
                  "history" : {
                     "properties" : {
                        "maxchars" : {
                           "minimum" : 0,
                           "type" : "integer",
                           "xml" : {
                              "attribute" : true
                           }
                        },
                        "maxstanzas" : {
                           "minimum" : 0,
                           "type" : "integer",
                           "xml" : {
                              "attribute" : true
                           }
                        },
                        "seconds" : {
                           "minimum" : 0,
                           "type" : "integer",
                           "xml" : {
                              "attribute" : true
                           }
                        },
                        "since" : {
                           "format" : "date-time",
                           "type" : "string",
                           "xml" : {
                              "attribute" : true
                           }
                        }
                     },
                     "type" : "object"
                  }
               },
               "type" : "object",
               "xml" : {
                  "name" : "x",
                  "namespace" : "http://jabber.org/protocol/muc"
               }
            },
            "nick" : {
               "$ref" : "#/_common/nick"
            },
            "priority" : {
               "description" : "Presence priority",
               "maximum" : 127,
               "minimum" : -128,
               "type" : "integer"
            },
            "rsm" : {
               "$ref" : "#/_common/rsm"
            },
            "show" : {
               "description" : "indicator of availability, ie away or not",
               "enum" : [
                  "away",
                  "chat",
                  "dnd",
                  "xa"
               ],
               "type" : "string"
            },
            "status" : {
               "description" : "Textual status message.",
               "type" : "string"
            },
            "to" : {
               "$ref" : "#/_common/to"
            },
            "type" : {
               "$ref" : "#/_common/type"
            },
            "vcard_update" : {
               "properties" : {
                  "photo" : {
                     "type" : "string"
                  }
               },
               "title" : "XEP-0153: vCard-Based Avatars",
               "type" : "object",
               "xml" : {
                  "name" : "x",
                  "namespace" : "vcard-temp:x:update"
               }
            }
         },
         "type" : "object",
         "xml" : {
            "name" : "presence",
            "namespace" : "jabber:client"
         }
      }
   },
   "type" : "object",
   "xml" : {
      "name" : "xmpp",
      "namespace" : "jabber:client"
   }
}