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clickhouse-admin-server.json
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{
"openapi": "3.0.3",
"info": {
"title": "ClickHouse Cluster Admin Server API",
"description": "API for interacting with the Oxide control plane's ClickHouse cluster replica servers",
"contact": {
"url": "https://oxide.computer",
"email": "[email protected]"
},
"version": "0.0.1"
},
"paths": {
"/config": {
"put": {
"summary": "Generate a ClickHouse configuration file for a server node on a specified",
"description": "directory and enable the SMF service.",
"operationId": "generate_config_and_enable_svc",
"requestBody": {
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ServerConfigurableSettings"
}
}
},
"required": true
},
"responses": {
"201": {
"description": "successful creation",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/GenerateConfigResult"
}
}
}
},
"4XX": {
"$ref": "#/components/responses/Error"
},
"5XX": {
"$ref": "#/components/responses/Error"
}
}
}
},
"/distributed-ddl-queue": {
"get": {
"summary": "Contains information about distributed ddl queries (ON CLUSTER clause)",
"description": "that were executed on a cluster.",
"operationId": "distributed_ddl_queue",
"responses": {
"200": {
"description": "successful operation",
"content": {
"application/json": {
"schema": {
"title": "Array_of_DistributedDdlQueue",
"type": "array",
"items": {
"$ref": "#/components/schemas/DistributedDdlQueue"
}
}
}
}
},
"4XX": {
"$ref": "#/components/responses/Error"
},
"5XX": {
"$ref": "#/components/responses/Error"
}
}
}
},
"/generation": {
"get": {
"summary": "Retrieve the generation number of a configuration",
"operationId": "generation",
"responses": {
"200": {
"description": "successful operation",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/Generation"
}
}
}
},
"4XX": {
"$ref": "#/components/responses/Error"
},
"5XX": {
"$ref": "#/components/responses/Error"
}
}
}
},
"/init": {
"put": {
"summary": "Idempotently initialize a replicated ClickHouse cluster database.",
"operationId": "init_db",
"responses": {
"204": {
"description": "resource updated"
},
"4XX": {
"$ref": "#/components/responses/Error"
},
"5XX": {
"$ref": "#/components/responses/Error"
}
}
}
},
"/timeseries/{table}/{metric}/avg": {
"get": {
"summary": "Retrieve time series from the system database.",
"description": "The value of each data point is the average of all stored data points within the interval. These are internal ClickHouse metrics.",
"operationId": "system_timeseries_avg",
"parameters": [
{
"in": "path",
"name": "metric",
"description": "Name of the metric to retrieve.",
"required": true,
"schema": {
"type": "string"
}
},
{
"in": "path",
"name": "table",
"description": "Table to query in the `system` database",
"required": true,
"schema": {
"$ref": "#/components/schemas/SystemTable"
}
},
{
"in": "query",
"name": "interval",
"description": "The interval to collect monitoring metrics in seconds. Default is 60 seconds.",
"schema": {
"type": "integer",
"format": "uint64",
"minimum": 0
}
},
{
"in": "query",
"name": "time_range",
"description": "Range of time to collect monitoring metrics in seconds. Default is 86400 seconds (24 hrs).",
"schema": {
"type": "integer",
"format": "uint64",
"minimum": 0
}
},
{
"in": "query",
"name": "timestamp_format",
"description": "Format in which each timeseries timestamp will be in. Default is UTC",
"schema": {
"$ref": "#/components/schemas/TimestampFormat"
}
}
],
"responses": {
"200": {
"description": "successful operation",
"content": {
"application/json": {
"schema": {
"title": "Array_of_SystemTimeSeries",
"type": "array",
"items": {
"$ref": "#/components/schemas/SystemTimeSeries"
}
}
}
}
},
"4XX": {
"$ref": "#/components/responses/Error"
},
"5XX": {
"$ref": "#/components/responses/Error"
}
}
}
}
},
"components": {
"schemas": {
"ClickhouseHost": {
"oneOf": [
{
"type": "object",
"properties": {
"ipv6": {
"type": "string",
"format": "ipv6"
}
},
"required": [
"ipv6"
],
"additionalProperties": false
},
{
"type": "object",
"properties": {
"ipv4": {
"type": "string",
"format": "ipv4"
}
},
"required": [
"ipv4"
],
"additionalProperties": false
},
{
"type": "object",
"properties": {
"domain_name": {
"type": "string"
}
},
"required": [
"domain_name"
],
"additionalProperties": false
}
]
},
"DistributedDdlQueue": {
"description": "Contains information about distributed ddl queries (ON CLUSTER clause) that were executed on a cluster.",
"type": "object",
"properties": {
"cluster": {
"description": "Cluster name",
"type": "string"
},
"entry": {
"description": "Query id",
"type": "string"
},
"entry_version": {
"description": "Version of the entry",
"type": "integer",
"format": "uint64",
"minimum": 0
},
"exception_code": {
"description": "Exception code",
"type": "integer",
"format": "uint64",
"minimum": 0
},
"exception_text": {
"description": "Exception message",
"type": "string"
},
"host": {
"description": "Hostname",
"type": "string",
"format": "ipv6"
},
"initiator_host": {
"description": "Host that initiated the DDL operation",
"type": "string"
},
"initiator_port": {
"description": "Port used by the initiator",
"type": "integer",
"format": "uint16",
"minimum": 0
},
"port": {
"description": "Host Port",
"type": "integer",
"format": "uint16",
"minimum": 0
},
"query": {
"description": "Query executed",
"type": "string"
},
"query_create_time": {
"description": "Query created time",
"type": "string",
"format": "date-time"
},
"query_duration_ms": {
"description": "Duration of query execution (in milliseconds)",
"type": "integer",
"format": "uint64",
"minimum": 0
},
"query_finish_time": {
"description": "Query finish time",
"type": "string",
"format": "date-time"
},
"settings": {
"description": "Settings used in the DDL operation",
"type": "object",
"additionalProperties": {
"type": "string"
}
},
"status": {
"description": "Status of the query",
"type": "string"
}
},
"required": [
"cluster",
"entry",
"entry_version",
"exception_code",
"exception_text",
"host",
"initiator_host",
"initiator_port",
"port",
"query",
"query_create_time",
"query_duration_ms",
"query_finish_time",
"settings",
"status"
]
},
"Error": {
"description": "Error information from a response.",
"type": "object",
"properties": {
"error_code": {
"type": "string"
},
"message": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"message",
"request_id"
]
},
"GenerateConfigResult": {
"description": "Result after generating a configuration file",
"oneOf": [
{
"type": "object",
"properties": {
"replica": {
"$ref": "#/components/schemas/ReplicaConfig"
}
},
"required": [
"replica"
],
"additionalProperties": false
},
{
"type": "object",
"properties": {
"keeper": {
"$ref": "#/components/schemas/KeeperConfig"
}
},
"required": [
"keeper"
],
"additionalProperties": false
}
]
},
"Generation": {
"description": "Generation numbers stored in the database, used for optimistic concurrency control",
"type": "integer",
"format": "uint64",
"minimum": 0
},
"KeeperConfig": {
"description": "Configuration for a ClickHouse keeper",
"type": "object",
"properties": {
"coordination_settings": {
"description": "Internal coordination settings",
"allOf": [
{
"$ref": "#/components/schemas/KeeperCoordinationSettings"
}
]
},
"datastore_path": {
"description": "Directory for all files generated by ClickHouse itself",
"type": "string",
"format": "Utf8PathBuf"
},
"generation": {
"description": "A unique identifier for the configuration generation.",
"allOf": [
{
"$ref": "#/components/schemas/Generation"
}
]
},
"listen_host": {
"description": "Address the keeper is listening on",
"type": "string",
"format": "ipv6"
},
"log_storage_path": {
"description": "Directory for coordination logs",
"type": "string",
"format": "Utf8PathBuf"
},
"logger": {
"description": "Logging settings",
"allOf": [
{
"$ref": "#/components/schemas/LogConfig"
}
]
},
"raft_config": {
"description": "Settings for each server in the keeper cluster",
"allOf": [
{
"$ref": "#/components/schemas/RaftServers"
}
]
},
"server_id": {
"description": "Unique ID for this keeper node",
"allOf": [
{
"$ref": "#/components/schemas/KeeperId"
}
]
},
"snapshot_storage_path": {
"description": "Directory for coordination snapshot storage",
"type": "string",
"format": "Utf8PathBuf"
},
"tcp_port": {
"description": "Port for TCP connections",
"type": "integer",
"format": "uint16",
"minimum": 0
}
},
"required": [
"coordination_settings",
"datastore_path",
"generation",
"listen_host",
"log_storage_path",
"logger",
"raft_config",
"server_id",
"snapshot_storage_path",
"tcp_port"
]
},
"KeeperConfigsForReplica": {
"type": "object",
"properties": {
"nodes": {
"type": "array",
"items": {
"$ref": "#/components/schemas/KeeperNodeConfig"
}
}
},
"required": [
"nodes"
]
},
"KeeperCoordinationSettings": {
"type": "object",
"properties": {
"operation_timeout_ms": {
"type": "integer",
"format": "uint32",
"minimum": 0
},
"raft_logs_level": {
"$ref": "#/components/schemas/LogLevel"
},
"session_timeout_ms": {
"type": "integer",
"format": "uint32",
"minimum": 0
}
},
"required": [
"operation_timeout_ms",
"raft_logs_level",
"session_timeout_ms"
]
},
"KeeperId": {
"description": "A unique ID for a ClickHouse Keeper",
"type": "integer",
"format": "uint64",
"minimum": 0
},
"KeeperNodeConfig": {
"type": "object",
"properties": {
"host": {
"$ref": "#/components/schemas/ClickhouseHost"
},
"port": {
"type": "integer",
"format": "uint16",
"minimum": 0
}
},
"required": [
"host",
"port"
]
},
"LogConfig": {
"type": "object",
"properties": {
"count": {
"type": "integer",
"format": "uint",
"minimum": 0
},
"errorlog": {
"type": "string",
"format": "Utf8PathBuf"
},
"level": {
"$ref": "#/components/schemas/LogLevel"
},
"log": {
"type": "string",
"format": "Utf8PathBuf"
},
"size": {
"type": "integer",
"format": "uint16",
"minimum": 0
}
},
"required": [
"count",
"errorlog",
"level",
"log",
"size"
]
},
"LogLevel": {
"type": "string",
"enum": [
"trace",
"debug"
]
},
"Macros": {
"type": "object",
"properties": {
"cluster": {
"type": "string"
},
"replica": {
"$ref": "#/components/schemas/ServerId"
},
"shard": {
"type": "integer",
"format": "uint64",
"minimum": 0
}
},
"required": [
"cluster",
"replica",
"shard"
]
},
"RaftServerConfig": {
"type": "object",
"properties": {
"hostname": {
"$ref": "#/components/schemas/ClickhouseHost"
},
"id": {
"$ref": "#/components/schemas/KeeperId"
},
"port": {
"type": "integer",
"format": "uint16",
"minimum": 0
}
},
"required": [
"hostname",
"id",
"port"
]
},
"RaftServers": {
"type": "object",
"properties": {
"servers": {
"type": "array",
"items": {
"$ref": "#/components/schemas/RaftServerConfig"
}
}
},
"required": [
"servers"
]
},
"RemoteServers": {
"type": "object",
"properties": {
"cluster": {
"type": "string"
},
"replicas": {
"type": "array",
"items": {
"$ref": "#/components/schemas/ServerNodeConfig"
}
},
"secret": {
"type": "string"
}
},
"required": [
"cluster",
"replicas",
"secret"
]
},
"ReplicaConfig": {
"description": "Configuration for a ClickHouse replica server",
"type": "object",
"properties": {
"data_path": {
"description": "Directory for all files generated by ClickHouse itself",
"type": "string",
"format": "Utf8PathBuf"
},
"generation": {
"description": "A unique identifier for the configuration generation.",
"allOf": [
{
"$ref": "#/components/schemas/Generation"
}
]
},
"http_port": {
"description": "Port for HTTP connections",
"type": "integer",
"format": "uint16",
"minimum": 0
},
"interserver_http_port": {
"description": "Port for interserver HTTP connections",
"type": "integer",
"format": "uint16",
"minimum": 0
},
"keepers": {
"description": "Contains settings that allow ClickHouse servers to interact with a Keeper cluster",
"allOf": [
{
"$ref": "#/components/schemas/KeeperConfigsForReplica"
}
]
},
"listen_host": {
"description": "Address the server is listening on",
"type": "string",
"format": "ipv6"
},
"logger": {
"description": "Logging settings",
"allOf": [
{
"$ref": "#/components/schemas/LogConfig"
}
]
},
"macros": {
"description": "Parameter substitutions for replicated tables",
"allOf": [
{
"$ref": "#/components/schemas/Macros"
}
]
},
"remote_servers": {
"description": "Configuration of clusters used by the Distributed table engine and bythe cluster table function",
"allOf": [
{
"$ref": "#/components/schemas/RemoteServers"
}
]
},
"tcp_port": {
"description": "Port for TCP connections",
"type": "integer",
"format": "uint16",
"minimum": 0
}
},
"required": [
"data_path",
"generation",
"http_port",
"interserver_http_port",
"keepers",
"listen_host",
"logger",
"macros",
"remote_servers",
"tcp_port"
]
},
"ServerConfigurableSettings": {
"description": "The top most type for configuring clickhouse-servers via clickhouse-admin-server-api",
"type": "object",
"properties": {
"generation": {
"description": "A unique identifier for the configuration generation.",
"allOf": [
{
"$ref": "#/components/schemas/Generation"
}
]
},
"settings": {
"description": "Configurable settings for a ClickHouse replica server node.",
"allOf": [
{
"$ref": "#/components/schemas/ServerSettings"
}
]
}
},
"required": [
"generation",
"settings"
]
},
"ServerId": {
"description": "A unique ID for a Clickhouse Server",
"type": "integer",
"format": "uint64",
"minimum": 0
},
"ServerNodeConfig": {
"type": "object",
"properties": {
"host": {
"$ref": "#/components/schemas/ClickhouseHost"
},
"port": {
"type": "integer",
"format": "uint16",
"minimum": 0
}
},
"required": [
"host",
"port"
]
},
"ServerSettings": {
"description": "Configurable settings for a ClickHouse replica server node.",
"type": "object",
"properties": {
"config_dir": {
"description": "Directory for the generated server configuration XML file",
"type": "string",
"format": "Utf8PathBuf"
},
"datastore_path": {
"description": "Directory for all files generated by ClickHouse itself",
"type": "string",
"format": "Utf8PathBuf"
},
"id": {
"description": "Unique ID of the server node",
"allOf": [
{
"$ref": "#/components/schemas/ServerId"
}
]
},
"keepers": {
"description": "Addresses for each of the individual nodes in the Keeper cluster",
"type": "array",
"items": {
"$ref": "#/components/schemas/ClickhouseHost"
}
},
"listen_addr": {
"description": "Address the server is listening on",
"type": "string",
"format": "ipv6"
},
"remote_servers": {
"description": "Addresses for each of the individual replica servers",
"type": "array",
"items": {
"$ref": "#/components/schemas/ClickhouseHost"
}
}
},
"required": [
"config_dir",
"datastore_path",
"id",
"keepers",
"listen_addr",
"remote_servers"
]
},
"SystemTimeSeries": {
"description": "Retrieved time series from the internal `system` database.",
"type": "object",
"properties": {
"time": {
"type": "string"
},
"value": {
"type": "number",
"format": "double"
}
},
"required": [
"time",
"value"
]
},
"SystemTable": {
"description": "Available metrics tables in the `system` database",
"type": "string",
"enum": [
"asynchronous_metric_log",
"metric_log"
]
},
"TimestampFormat": {
"description": "Which format should the timestamp be in.",
"type": "string",
"enum": [
"utc",
"unix_epoch"
]
}
},
"responses": {
"Error": {
"description": "Error",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/Error"
}
}
}
}
}
}
}