hasura

package
v0.2.35 Latest Latest
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 Go to latest Published: Jun 26, 2023 License: MIT Imports: 19 Imported by: 5

README

Go wrapper for Hasura metadata methods

Golang's library for registration data source in Hasura service

Configuration

hasura:
  url: string             # hasura url, required
  admin_secret: string    # required
  select_limit: int       
  allow_aggregation: bool
  source:
    name: string                  # name of data source, required. For more info, [hasura docs](https://hasura.io/docs/latest/api-reference/metadata-api/source/#metadata-pg-add-source-syntax).
    database_host: string         # host of datasource, if omitted, used host from database config
    use_prepared_statements: bool # if set to true the server prepares statement before executing on the source database (default: false)
    isolation_level: bool         # The transaction isolation level in which the queries made to the source will be run with (options: read-committed | repeatable-read | serializable) (default: read-committed)
  rest: bool              # should REST endpoints be created?

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Create 

func Create(ctx context.Context, args GenerateArgs) error

Create - creates hasura models

func TestExpectedMetadataWithActual added in v0.2.31 

func TestExpectedMetadataWithActual(
	t *testing.T,
	configPath string,
	expectedMetadataPath string,
)

func ToSnakeCase added in v0.2.31 

func ToSnakeCase(str string) string

ToSnakeCase -

Types

type API 

type API struct {
	// contains filtered or unexported fields
}

API -

func New 

func New(baseURL, secret string) *API

New -

func (*API) AddSource added in v0.2.8 

func (api *API) AddSource(ctx context.Context, hasura *config.Hasura, cfg config.Database) error

AddSource -

func (*API) CreateRestEndpoint added in v0.1.13 

func (api *API) CreateRestEndpoint(ctx context.Context, name, url, queryName, collectionName string) error

CreateRestEndpoint -

func (*API) CreateSelectPermissions added in v0.1.8 

func (api *API) CreateSelectPermissions(ctx context.Context, table, source string, role string, perm Permission) error

CreateSelectPermissions - A select permission is used to restrict access to only the specified columns and rows.

func (*API) CustomConfiguration added in v0.2.8 

func (api *API) CustomConfiguration(ctx context.Context, conf interface{}) error

CustomConfiguration

func (*API) DropSelectPermissions added in v0.1.9 

func (api *API) DropSelectPermissions(ctx context.Context, table, source string, role string) error

DropSelectPermissions -

func (*API) ExportMetadata 

func (api *API) ExportMetadata(ctx context.Context) (Metadata, error)

ExportMetadata -

func (*API) Health 

func (api *API) Health(ctx context.Context) error

Health

func (*API) ReplaceMetadata 

func (api *API) ReplaceMetadata(ctx context.Context, data *Metadata) error

ReplaceMetadata -

func (*API) TrackTable added in v0.1.6 

func (api *API) TrackTable(ctx context.Context, name string, source string) error

TrackTable -

type APIError added in v0.1.14 

type APIError struct {
	Path string `json:"path"`
	Text string `json:"error"`
	Code string `json:"code"`
}

APIError -

func (APIError) AlreadyExists added in v0.1.14 

func (e APIError) AlreadyExists() bool

AlreadyExists -

func (APIError) Error added in v0.1.14 

func (e APIError) Error() string

Error -

type Columns added in v0.1.13 

type Columns []string

Columns -

func (Columns) MarshalJSON added in v0.1.13 

func (columns Columns) MarshalJSON() ([]byte, error)

MarshalJSON -

func (*Columns) UnmarshalJSON added in v0.1.13 

func (columns *Columns) UnmarshalJSON(data []byte) error

UnmarshalJSON -

type Configuration added in v0.2.8 

type Configuration struct {
	ConnectionInfo ConnectionInfo `json:"connection_info"`
}

Configuration -

type ConnectionInfo added in v0.2.8 

type ConnectionInfo struct {
	UsePreparedStatements bool        `json:"use_prepared_statements"`
	IsolationLevel        string      `json:"isolation_level"`
	DatabaseUrl           DatabaseUrl `json:"database_url"`
}

ConnectionInfo -

type DatabaseUrl added in v0.2.8 

type DatabaseUrl string

DatabaseUrl -

func (*DatabaseUrl) UnmarshalJSON added in v0.2.8 

func (d *DatabaseUrl) UnmarshalJSON(data []byte) error

UnmarshalJSON -

type DatabaseUrlFromEnv added in v0.2.8 

type DatabaseUrlFromEnv struct {
	FromEnv string `json:"from_env"`
}

DatabaseUrlFromEnv -

type Definition added in v0.1.13 

type Definition struct {
	Queries []Query `json:"queries"`
}

Definition -

type ExpectedMetadata added in v0.2.31 

type ExpectedMetadata struct {
	Tables []ExpectedTable `yaml:"tables" validate:"required"`
}

type ExpectedTable added in v0.2.31 

type ExpectedTable struct {
	Name    string   `yaml:"name" validate:"required"`
	Columns []string `yaml:"columns" validate:"required"`
}

type FKRelationship added in v0.2.32 

type FKRelationship struct {
	Table  string `json:"table"`
	Column string `json:"column"`
}

FKRelationship -

type GenerateArgs added in v0.2.10 

type GenerateArgs struct {
	Config               *config.Hasura  `validate:"required"`
	DatabaseConfig       config.Database `validate:"required"`
	Views                []string        `validate:"omitempty"`
	CustomConfigurations []Request       `validate:"omitempty"`
	Models               []any           `validate:"omitempty"`
}

GenerateArgs -

type ManualRelationship added in v0.2.32 

type ManualRelationship struct {
	RemoteTable   PGTable           `json:"remote_table"`
	ColumnMapping map[string]string `json:"column_mapping"`
}

ManualRelationship -

type Metadata added in v0.1.13 

type Metadata struct {
	Version          int               `json:"version"`
	Sources          []Source          `json:"sources"`
	QueryCollections []QueryCollection `json:"query_collections,omitempty"`
	RestEndpoints    []interface{}     `json:"rest_endpoints,omitempty"`
}

Metadata -

func Generate 

func Generate(hasura config.Hasura, cfg config.Database, models ...interface{}) (*Metadata, error)

Generate - creates hasura table structure in JSON from `models`. `models` should be pointer to your table models. `cfg` is DB config from YAML.

type PGTable added in v0.2.32 

type PGTable struct {
	Name   string `json:"name"`
	Schema string `json:"schema"`
}

PGTable -

func (*PGTable) MarshalJSON added in v0.2.32 

func (t *PGTable) MarshalJSON() ([]byte, error)

MarshalJSON -

func (*PGTable) UnmarshalJSON added in v0.2.32 

func (t *PGTable) UnmarshalJSON(data []byte) error

UnmarshalJSON -

type Permission added in v0.1.8 

type Permission struct {
	Columns   Columns     `json:"columns"`
	Limit     uint64      `json:"limit"`
	AllowAggs bool        `json:"allow_aggregations"`
	Filter    interface{} `json:"filter,omitempty"`
}

Permission -

type Query added in v0.1.13 

type Query struct {
	Name           string `json:"name"`
	Query          string `json:"query,omitempty"`
	CollectionName string `json:"collection_name,omitempty"`
}

Query -

type QueryCollection added in v0.1.13 

type QueryCollection struct {
	Definition Definition `json:"definition"`
	Name       string     `json:"name"`
}

QueryCollection -

type Relationship added in v0.2.32 

type Relationship struct {
	Table   PGTable           `json:"table"`
	Name    string            `json:"name"`
	Comment string            `json:"comment,omitempty"`
	Using   RelationshipUsing `json:"using"`
}

Relationship -

type RelationshipUsing added in v0.2.32 

type RelationshipUsing struct {
	Manual *ManualRelationship `json:"manual_configuration,omitempty"`
	FK     *FKRelationship     `json:"foreign_key_constraint_on,omitempty"`
}

RelationshipUsing -

type Request added in v0.2.8 

type Request struct {
	Type string      `json:"type"`
	Args interface{} `json:"args"`
}

func ReadCustomConfigs added in v0.2.11 

func ReadCustomConfigs(ctx context.Context, database config.Database, hasuraConfigDir string) ([]Request, error)

ReadCustomConfigs -

type SelectPermission added in v0.1.13 

type SelectPermission struct {
	Role       string     `json:"role"`
	Permission Permission `json:"permission"`
}

SelectPermission -

type Source added in v0.2.8 

type Source struct {
	Name          string        `json:"name"`
	Kind          string        `json:"kind"`
	Tables        []Table       `json:"tables"`
	Configuration Configuration `json:"configuration"`
}

Source -

type Table added in v0.1.13 

type Table struct {
	ObjectRelationships []Relationship     `json:"object_relationships"`
	ArrayRelationships  []Relationship     `json:"array_relationships"`
	SelectPermissions   []SelectPermission `json:"select_permissions"`
	Configuration       TableConfiguration `json:"configuration"`
	Schema              TableSchema        `json:"table"`
}

Table -

type TableConfiguration added in v0.2.8 

type TableConfiguration struct {
	Comment           *string           `json:"comment"`
	CustomRootFields  map[string]string `json:"custom_root_fields"`
	CustomColumnNames map[string]string `json:"custom_column_names"`
}

TableConfiguration -

type TableSchema added in v0.1.13 

type TableSchema struct {
	Schema string `json:"schema"`
	Name   string `json:"name"`
}

TableSchema -

Source Files

View all Source files

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