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-{
- "swagger": "2.0",
- "info": {
- "version": "4.0.7",
- "title": "CDAP Broker API"
- },
- "paths": {
- "/": {
- "get": {
- "description": "shows some information about this service",
- "responses": {
- "200": {
- "description": "successful response",
- "schema": {
- "$ref": "#/definitions/info"
- }
- }
- }
- }
- },
- "/application": {
- "get": {
- "description": "get all applications registered with this broker",
- "responses": {
- "200": {
- "description": "successful response",
- "schema": {
- "type": "array",
- "items": {
- "$ref": "#/definitions/appname"
- }
- }
- }
- }
- }
- },
- "/application/delete": {
- "post": {
- "description": "endpoint to delete multiple applications at once. Returns an array of status codes, where statuscode[i] = response returned from DELETE(application/i)",
- "parameters": [
- {
- "name": "postbody",
- "in": "body",
- "description": "required post body",
- "required": true,
- "schema": {
- "$ref": "#/definitions/multideleteput"
- }
- }
- ],
- "responses": {
- "200": {
- "description": "successful response",
- "schema": {
- "type": "array",
- "items": {
- "$ref": "#/definitions/returncode"
- }
- }
- }
- }
- }
- },
- "/application/{appname}": {
- "parameters": [
- {
- "name": "appname",
- "in": "path",
- "description": "Name of the application.",
- "required": true,
- "type": "string",
- "format": "text"
- }
- ],
- "get": {
- "description": "Returns the representation of the application resource, including the links for healthcheck and metrics.",
- "responses": {
- "200": {
- "description": "Successful response",
- "schema": {
- "$ref": "#/definitions/Application"
- }
- },
- "404": {
- "description": "no app with name 'appname' registered with this broker."
- }
- }
- },
- "put": {
- "description": "Register an app for service and configuration discovery. This will light up a metrics and health endpoint for this app. `appname` is assumed to also be the key in consul.",
- "consumes": [
- "application/json"
- ],
- "produces": [
- "application/json"
- ],
- "parameters": [
- {
- "name": "putbody",
- "in": "body",
- "description": "required put body",
- "required": true,
- "schema": {
- "$ref": "#/definitions/appput"
- }
- }
- ],
- "responses": {
- "200": {
- "description": "Successful response",
- "schema": {
- "$ref": "#/definitions/Application"
- }
- },
- "400": {
- "description": "put was performed but the appname was already registered with the broker, or Invalid PUT body"
- }
- }
- },
- "delete": {
- "description": "Remove an app for service and configuration discovery. This will remove the metrics and health endpoints for this app.",
- "responses": {
- "200": {
- "description": "Successful response"
- },
- "404": {
- "description": "no app with name 'appname' registered with this broker."
- }
- }
- }
- },
- "/application*/{appname}": {
- "parameters": [
- {
- "name": "appname",
- "in": "path",
- "description": "Name of the application.",
- "required": true,
- "type": "string",
- "format": "text"
- }
- ],
- "put": {
- "description": "(This is a hacky way of supporting \"oneOf\" because Swagger does not support oneOf https://github.com/OAI/OpenAPI-Specification/issues/333. This is the same endpoint as PUT /application/appname, except the PUT body is different.)\n\nRegister a hydrator app for service and configuration discovery. This will light up a metrics and health endpoint for this app. `appname` is assumed to also be the key in consul.",
- "consumes": [
- "application/json"
- ],
- "produces": [
- "application/json"
- ],
- "parameters": [
- {
- "name": "putbody",
- "in": "body",
- "description": "required put body",
- "required": true,
- "schema": {
- "$ref": "#/definitions/hydratorappput"
- }
- }
- ],
- "responses": {
- "200": {
- "description": "Successful response",
- "schema": {
- "$ref": "#/definitions/Application"
- }
- },
- "400": {
- "description": "put was performed but the appname was already registered with the broker, or Invalid PUT body"
- }
- }
- }
- },
- "/application/{appname}/metrics": {
- "get": {
- "description": "Get live (real-time) app specific metrics for the running app appname. Metrics are customized per each app by the component developer",
- "parameters": [
- {
- "name": "appname",
- "in": "path",
- "description": "Name of the application to get metrics for.",
- "required": true,
- "type": "string",
- "format": "test"
- }
- ],
- "responses": {
- "200": {
- "description": "Successful response",
- "schema": {
- "$ref": "#/definitions/MetricsObject"
- }
- },
- "404": {
- "description": "no app with name 'appname' registered with this broker."
- }
- }
- }
- },
- "/application/{appname}/healthcheck": {
- "get": {
- "description": "Perform a healthcheck on the running app appname.",
- "parameters": [
- {
- "name": "appname",
- "in": "path",
- "description": "Name of the application to get the healthcheck for.",
- "required": true,
- "type": "string",
- "format": "test"
- }
- ],
- "responses": {
- "200": {
- "description": "Successful response, healthcheck pass"
- },
- "404": {
- "description": "no app with name 'appname' registered with this broker, or the healthcheck has failed (though I would like to disambiguiate from the first case, CDAP returns a 404 for this)."
- }
- }
- }
- },
- "/application/{appname}/reconfigure": {
- "parameters": [
- {
- "name": "appname",
- "in": "path",
- "description": "Name of the application.",
- "required": true,
- "type": "string",
- "format": "text"
- }
- ],
- "put": {
- "description": "Reconfigures the application.",
- "parameters": [
- {
- "name": "putbody",
- "in": "body",
- "description": "required put body",
- "required": true,
- "schema": {
- "$ref": "#/definitions/reconfigput"
- }
- }
- ],
- "responses": {
- "200": {
- "description": "Successful response"
- },
- "400": {
- "description": "Bad request. Can happen with 1) {appname} is not registered with the broker, 2) the required PUT body is wrong, or 3) the smart interface was chosen and none of the config keys match anything in app_config or app_preferences"
- }
- }
- }
- }
- },
- "definitions": {
- "MetricsObject": {
- "type": "object",
- "description": "key,value object where the key is 'appmetrics' and the value is an app dependent json and specified by the component developer",
- "properties": {
- "appmetrics": {
- "type": "object"
- }
- }
- },
- "Application": {
- "type": "object",
- "properties": {
- "appname": {
- "description": "application name",
- "type": "string"
- },
- "healthcheckurl": {
- "description": "fully qualified url to perform healthcheck",
- "type": "string"
- },
- "metricsurl": {
- "description": "fully qualified url to get metrics from",
- "type": "string"
- },
- "url": {
- "description": "fully qualified url of the resource",
- "type": "string"
- },
- "connectionurl": {
- "description": "input URL that you can POST data into (URL of the CDAP stream)",
- "type": "string"
- },
- "serviceendpoints": {
- "description": "a list of HTTP services exposed by this CDAP application",
- "type": "array",
- "items": {
- "$ref": "#/definitions/service_method"
- }
- }
- }
- },
- "reconfigput": {
- "type": "object",
- "properties": {
- "reconfiguration_type": {
- "description": "the type of reconfiguration",
- "type": "string",
- "enum": [
- "program-flowlet-app-config",
- "program-flowlet-app-preferences",
- "program-flowlet-smart"
- ]
- },
- "config": {
- "description": "the config JSON",
- "type": "object"
- }
- },
- "required": [
- "reconfiguration_type",
- "config"
- ]
- },
- "multideleteput": {
- "type": "object",
- "properties": {
- "appnames": {
- "type": "array",
- "items": {
- "$ref": "#/definitions/appname"
- }
- }
- }
- },
- "appname": {
- "description": "an application name",
- "type": "string"
- },
- "hydratorappput": {
- "type": "object",
- "properties": {
- "cdap_application_type": {
- "description": "denotes whether this is a program-flowlet style application or a hydrator pipeline. For hydrator, this value must be \"hydrator-pipeline\"",
- "type": "string",
- "enum": [
- "hydrator-pipeline"
- ]
- },
- "namespace": {
- "description": "the cdap namespace this is deployed into",
- "type": "string"
- },
- "pipeline_config_json_url": {
- "description": "the URL of the config.json for this pipeline",
- "type": "string"
- },
- "streamname": {
- "description": "name of the CDAP stream to ingest data into this app. Should come from the developer and Tosca model.",
- "type": "string"
- },
- "dependencies": {
- "description": "represents a list of dependencies to be loaded for this pipeline. Not required.",
- "type": "array",
- "items": {
- "$ref": "#/definitions/hydratordep"
- }
- }
- },
- "required": [
- "cdap_application_type",
- "namespace",
- "pipeline_config_json_url",
- "streamname"
- ]
- },
- "appput": {
- "type": "object",
- "properties": {
- "cdap_application_type": {
- "description": "denotes whether this is a program-flowlet style application or a hydrator pipeline. For program-flowlet style apps, this value must be \"program-flowlet\"",
- "type": "string",
- "enum": [
- "program-flowlet"
- ]
- },
- "streamname": {
- "description": "name of the CDAP stream to ingest data into this app. Should come from the developer and Tosca model.",
- "type": "string"
- },
- "namespace": {
- "description": "the cdap namespace this is deployed into",
- "type": "string"
- },
- "jar_url": {
- "description": "the URL that the JAR you're deploying resides",
- "type": "string"
- },
- "artifact_name": {
- "description": "the name of the CDAP artifact to be added",
- "type": "string"
- },
- "artifact_ver": {
- "description": "the version of the artifact. Must be in X.Y.Z form"
- },
- "app_config": {
- "description": "the application config JSON",
- "type": "object"
- },
- "app_preferences": {
- "description": "the application preferences JSON",
- "type": "object"
- },
- "programs": {
- "type": "array",
- "items": {
- "$ref": "#/definitions/programs"
- }
- },
- "program_preferences": {
- "type": "array",
- "items": {
- "$ref": "#/definitions/programpref"
- }
- },
- "services": {
- "type": "array",
- "items": {
- "$ref": "#/definitions/service_endpoint"
- }
- }
- }
- },
- "service_endpoint": {
- "description": "descirbes a service endpoint, including the service name, the method name, and the method type (GET, PUT, etc, most of the time will be GET)",
- "type": "object",
- "properties": {
- "service_name": {
- "type": "string",
- "description": "the name of the service"
- },
- "service_endpoint": {
- "type": "string",
- "description": "the name of the endpoint on the service"
- },
- "endpoint_method": {
- "type": "string",
- "description": "GET, POST, PUT, etc"
- }
- }
- },
- "service_method": {
- "description": "a URL and HTTP method exposed via a CDAP service",
- "type": "object",
- "properties": {
- "url": {
- "type": "string",
- "description": "the fully qualified URL in CDAP for this service"
- },
- "method": {
- "type": "string",
- "description": "HTTP method you can perform on the URL, e.g., GET, PUT, etc"
- }
- }
- },
- "programs": {
- "description": "the list of programs in this CDAP app",
- "type": "object",
- "properties": {
- "program_type": {
- "description": "must be one of flows, mapreduce, schedules, spark, workflows, workers, or services",
- "type": "string"
- },
- "program_id": {
- "description": "the name of the program",
- "type": "string"
- }
- }
- },
- "returncode": {
- "description": "an httpreturncode",
- "type": "integer"
- },
- "hydratordep": {
- "description": "represents a hydrator pipeline dependency. An equivelent to the following CURLs are formed with the below four params shown in CAPS \"curl -v -w\"\\n\" -X POST http://cdapurl:11015/v3/namespaces/setelsewhere/artifacts/ARTIFACT_NAME -H \"Artifact-Extends:ARTIFACT_EXTENDS_HEADER\" -H “Artifact-Version:ARTIFACT_VERSION_HEADER” --data-binary @(DOWNLOADED FROM ARTIFACT_URL)\",\"curl -v -w\"\\n\" -X PUT http://cdapurl:11015/v3/namespaces/setelsewhere/artifacts/ARTIFACT_NAME/versions/ARTIFACT_VERSION_HEADER/properties -d (DOWNLOADED FROM UI_PROPERTIES_URL)\"",
- "properties": {
- "artifact_extends_header": {
- "description": "the value of the header that gets passed in for artifact-extends, e.g., \"Artifact-Extends:system:cdap-data-pipeline[4.0.1,5.0.0)\"",
- "type": "string"
- },
- "artifact_name": {
- "description": "the name of the artifact",
- "type": "string"
- },
- "artifact_version_header": {
- "description": "the value of the header that gets passed in for artifact-version, e.g., \"Artifact-Version:1.0.0-SNAPSHOT\"",
- "type": "string"
- },
- "artifact_url": {
- "description": "the URL of the artifact JAR",
- "type": "string"
- },
- "ui_properties_url": {
- "description": "the URL of the properties.json if the custom artifact has UI properties. This is optional.",
- "type": "string"
- }
- },
- "required": [
- "artifact_extends_header",
- "artifact_name",
- "artifact_version_header",
- "artifact_url"
- ]
- },
- "programpref": {
- "description": "the list of programs in this CDAP app",
- "type": "object",
- "properties": {
- "program_type": {
- "description": "must be one of flows, mapreduce, schedules, spark, workflows, workers, or services",
- "type": "string"
- },
- "program_id": {
- "description": "the name of the program",
- "type": "string"
- },
- "program_pref": {
- "description": "the preference JSON to set for this program",
- "type": "object"
- }
- }
- },
- "info": {
- "description": "some broker information",
- "type": "object",
- "properties": {
- "managed cdap url": {
- "description": "the url of the CDAP cluster API this broker is managing",
- "type": "string"
- },
- "number of applications registered": {
- "type": "integer"
- },
- "uptime (s)": {
- "type": "integer"
- },
- "cdap GUI port": {
- "type": "integer",
- "description": "The GUI port of the CDAP cluster this broker is managing. Mostly to help users of this API check their application in cdap. Note, will return UNKNOWN_CDAP_VERSION if it cannot be determined."
- },
- "cdap cluster version": {
- "type": "string",
- "description": "the version of the CDAP cluster this broker is managing. Note, will return UKNOWN_CDAP_VERSION if it cannot be determined."
- },
- "broker API version": {
- "type": "string",
- "description": "the API version of this running broker"
- }
- }
- }
- }
-}