schema.json

{
  "$schema": "http://json-schema.org/schema#",
  "$defs": {
    "kubernetes": {
      "type": "object",
      "properties": {
        "podSpec": {
          "$ref": "https://kubernetesjsonschema.dev/master/_definitions.json#/definitions/io.k8s.api.core.v1.PodSpec"
        },
        "gitEnvFrom": {
          "type": "array",
          "items": {
            "$ref": "https://kubernetesjsonschema.dev/master/_definitions.json#/definitions/io.k8s.api.core.v1.EnvFromSource"
          }
        },
        "sidecars": {
          "type": "array",
          "items": {
            "$ref": "https://kubernetesjsonschema.dev/master/_definitions.json#/definitions/io.k8s.api.core.v1.Container"
          }
        },
        "extraVolumeMounts": {
          "type": "array",
          "items": {
            "$ref": "https://kubernetesjsonschema.dev/master/_definitions.json#/definitions/io.k8s.api.core.v1.VolumeMount"
          }
        },
        "metadata": {
          "type": "object",
          "properties": {
            "labels": {
              "type": "object"
            },
            "annotations": {
              "type": "object"
            }
          }
        }
      }
    }
  },
  "type": "object",
  "allOf": [
    {
      "$ref": "https://raw.githubusercontent.com/buildkite/pipeline-schema/main/schema.json"
    }
  ],
  "properties": {
    "steps": {
      "items": {
        "properties": {
          "plugins": {
            "anyOf": [
              {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "kubernetes": { "$ref": "#/$defs/kubernetes" }
                  }
                }
              },
              {
                "type": "object",
                "properties": {
                  "kubernetes": { "$ref": "#/$defs/kubernetes" }
                }
              }
            ]
          }
        }
      }
    }
  }
}