{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "idp-external-metrics values",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "targets": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "name",
          "hosts"
        ],
        "additionalProperties": false,
        "properties": {
          "name": {
            "type": "string",
            "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?$",
            "maxLength": 50,
            "description": "Name of the target. Set as the `external_target` label and used in the ScrapeConfig names, with the exporter name appended for a preset. Must be unique in the namespace."
          },
          "preset": {
            "type": "string",
            "enum": [
              "msk"
            ],
            "description": "Preset for a known managed service, which sets ports, labels and a curated metric allowlist. `msk`: Amazon MSK Open Monitoring."
          },
          "hosts": {
            "type": "array",
            "minItems": 1,
            "items": {
              "type": "string",
              "minLength": 1
            },
            "description": "Hosts to scrape. With the msk preset: broker hostnames without port. Without a preset: host:port, where host is a lowercase public DNS name ending in com, net, org, io, dk, eu, se, no, de, cloud, dev, app or ai. IP addresses and in-cluster names are rejected."
          },
          "path": {
            "type": "string",
            "pattern": "^/",
            "description": "Metrics path for a target without a preset. Defaults to /metrics."
          },
          "scheme": {
            "type": "string",
            "enum": [
              "http",
              "https"
            ],
            "description": "Scheme for a target without a preset. Defaults to http."
          },
          "keepMetrics": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "metric"
              ],
              "additionalProperties": false,
              "properties": {
                "metric": {
                  "type": "string",
                  "minLength": 1,
                  "description": "Regular expression for the full metric name."
                },
                "labels": {
                  "type": "object",
                  "additionalProperties": {
                    "type": "string",
                    "minLength": 1
                  },
                  "description": "Regular expressions for label values the series must have, for example `name` on JMX metrics. Labels not listed match any value."
                }
              }
            },
            "description": "Metrics to keep. Required without a preset, where nothing else is kept. With a preset they are added to the preset allowlist, including their per-topic and per-partition series."
          },
          "scrapeInterval": {
            "type": "string",
            "pattern": "^[0-9]+(s|m)$",
            "description": "Overrides the default scrape interval."
          },
          "scrapeTimeout": {
            "type": "string",
            "pattern": "^[0-9]+(s|m)$",
            "description": "Overrides the default scrape timeout."
          },
          "sampleLimit": {
            "type": "integer",
            "minimum": 1,
            "maximum": 20000,
            "description": "Overrides the default sample limit."
          },
          "exporters": {
            "type": "object",
            "additionalProperties": {
              "type": "boolean"
            },
            "description": "Turns exporters of a preset on or off, by name. All are on by default. The msk preset has `jmx` and `node`."
          },
          "labels": {
            "type": "object",
            "additionalProperties": {
              "type": "string"
            },
            "propertyNames": {
              "pattern": "^[a-zA-Z_][a-zA-Z0-9_]*$",
              "not": {
                "enum": [
                  "namespace",
                  "external_target",
                  "job",
                  "instance"
                ]
              }
            },
            "description": "Static labels added to every series from this target, for example an environment. `namespace`, `external_target`, `job` and `instance` are reserved."
          }
        },
        "allOf": [
          {
            "if": {
              "required": [
                "preset"
              ],
              "properties": {
                "preset": {
                  "const": "msk"
                }
              }
            },
            "then": {
              "properties": {
                "hosts": {
                  "items": {
                    "pattern": "^b-[0-9]+\\.[a-z0-9.-]+\\.kafka\\.[a-z0-9-]+\\.amazonaws\\.com$"
                  }
                }
              }
            }
          },
          {
            "if": {
              "required": [
                "preset"
              ]
            },
            "then": {
              "properties": {
                "path": false,
                "scheme": false
              }
            },
            "else": {
              "required": [
                "keepMetrics"
              ],
              "properties": {
                "hosts": {
                  "items": {
                    "pattern": "^([a-z0-9]([a-z0-9-]*[a-z0-9])?\\.)+(com|net|org|io|dk|eu|se|no|de|cloud|dev|app|ai):[0-9]+$"
                  }
                },
                "keepMetrics": {
                  "minItems": 1
                },
                "exporters": false
              }
            }
          }
        ]
      },
      "description": "Endpoints to scrape. Each entry renders one ScrapeConfig, or one per exporter for a preset."
    },
    "scrapeInterval": {
      "type": "string",
      "pattern": "^[0-9]+(s|m)$",
      "description": "How often each host is scraped. Can be set per target."
    },
    "scrapeTimeout": {
      "type": "string",
      "pattern": "^[0-9]+(s|m)$",
      "description": "Scrape timeout. Can be set per target."
    },
    "sampleLimit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 20000,
      "description": "Maximum number of series kept per host after filtering. Can be set per target."
    },
    "global": {
      "type": "object",
      "description": "Included to allow the chart to be used as a subchart, as Helm injects .global from the top chart."
    },
    "idp_aws_account": {
      "type": [
        "string",
        "number"
      ],
      "description": "This value is set automatically by ArgoCD, but can be overridden here for local testing."
    },
    "idp_oidc_provider_url": {
      "type": "string",
      "description": "This value is set automatically by ArgoCD, but can be overridden here for local testing."
    }
  }
}