client

package
v2.5.0-alpha+incompatible Latest Latest
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 Go to latest Published: Oct 22, 2019 License: Apache-2.0 Imports: 38 Imported by: 9

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	// DefaultAgentHost defines default host address for agent
	DefaultAgentHost = "127.0.0.1"

	DefaultPortGRPC = 9111
	DefaultPortHTTP = 9191
)

Functions

func ConnectEtcd 

func ConnectEtcd(endpoints []string) (keyval.CoreBrokerWatcher, error)

func ErrorConnectionFailed 

func ErrorConnectionFailed(host string) error

ErrorConnectionFailed returns an error with host in the error message when connection to agent failed.

func FromEnv 

func FromEnv(c *Client) error

FromEnv configures the client with values from environment variables.

Supported environment variables: - AGENT_HOST to set the url to the agent server. - LIGATO_API_VERSION to set the url to the agent server.

func IsErrConnectionFailed 

func IsErrConnectionFailed(err error) bool

IsErrConnectionFailed returns true if the error is caused by connection failed.

func ParseHostURL 

func ParseHostURL(host string) (*url.URL, error)

ParseHostURL parses a url string, validates the string is a host url, and returns the parsed URL

Types

type APIClient 

type APIClient interface {
	InfraAPIClient
	ModelAPIClient
	SchedulerAPIClient
	VppAPIClient
	MetricsAPIClient

	ConfigClient() (client.ConfigClient, error)

	AgentHost() string
	ClientVersion() string
	KVDBClient() (KVDBAPIClient, error)
	GRPCConn() (*grpc.ClientConn, error)
	HTTPClient() *http.Client
	ServerVersion(ctx context.Context) (types.Version, error)
	NegotiateAPIVersion(ctx context.Context)
	NegotiateAPIVersionPing(types.Ping)
	Close() error
}

APIClient is an interface that clients that talk with a agent server must implement.

type Client 

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

Client is the API client that performs all operations against a Ligato agent.

func NewClient 

func NewClient(host string) (*Client, error)

NewClient returns client with host option.

func NewClientFromEnv 

func NewClientFromEnv() (*Client, error)

NewClientFromEnv returns client with options from environment.

func NewClientWithOpts 

func NewClientWithOpts(ops ...Opt) (*Client, error)

NewClientWithOpts returns client with ops applied.

func (*Client) AgentHost 

func (c *Client) AgentHost() string

func (*Client) ClientVersion 

func (c *Client) ClientVersion() string

func (*Client) Close 

func (c *Client) Close() error

Close the transport used by the client

func (*Client) ConfigClient 

func (c *Client) ConfigClient() (client.ConfigClient, error)

func (*Client) GRPCConn 

func (c *Client) GRPCConn() (*grpc.ClientConn, error)

func (*Client) GetMetricData 

func (c *Client) GetMetricData(ctx context.Context, metricName string) (map[string]interface{}, error)

func (*Client) HTTPClient 

func (c *Client) HTTPClient() *http.Client

func (*Client) KVDBClient 

func (c *Client) KVDBClient() (KVDBAPIClient, error)

func (*Client) LoggerList 

func (c *Client) LoggerList(ctx context.Context) ([]types.Logger, error)

func (*Client) LoggerSet 

func (c *Client) LoggerSet(ctx context.Context, logger, level string) error

func (*Client) ModelList 

func (c *Client) ModelList(ctx context.Context, opts types.ModelListOptions) ([]types.Model, error)

func (*Client) NegotiateAPIVersion 

func (c *Client) NegotiateAPIVersion(ctx context.Context)

func (*Client) NegotiateAPIVersionPing 

func (c *Client) NegotiateAPIVersionPing(p types.Ping)

func (*Client) Ping 

func (c *Client) Ping(ctx context.Context) (types.Ping, error)

Ping pings the server and returns the value of the "API-Version" headers.

func (*Client) SchedulerDump 

func (c *Client) SchedulerDump(ctx context.Context, opts types.SchedulerDumpOptions) ([]api.KVWithMetadata, error)

func (*Client) SchedulerValues 

func (c *Client) SchedulerValues(ctx context.Context, opts types.SchedulerValuesOptions) ([]*api.BaseValueStatus, error)

func (*Client) ServerVersion 

func (c *Client) ServerVersion(ctx context.Context) (types.Version, error)

ServerVersion returns information of the client and agent host.

func (*Client) Status 

func (c *Client) Status(ctx context.Context) (*probe.ExposedStatus, error)

func (*Client) VppRunCli 

func (c *Client) VppRunCli(ctx context.Context, cmd string) (reply string, err error)

type InfraAPIClient 

type InfraAPIClient interface {
	Status(ctx context.Context) (*probe.ExposedStatus, error)
	Ping(ctx context.Context) (types.Ping, error)
	LoggerList(ctx context.Context) ([]types.Logger, error)
	LoggerSet(ctx context.Context, logger, level string) error
}

SystemAPIClient defines API client methods for the system

type KVDBAPIClient 

type KVDBAPIClient interface {
	keyval.CoreBrokerWatcher
}

type KVDBClient 

type KVDBClient struct {
	keyval.CoreBrokerWatcher
	// contains filtered or unexported fields
}

KVDBClient provides client access to the KVDB server.

func NewKVDBClient 

func NewKVDBClient(kvdb keyval.CoreBrokerWatcher, serviceLabel string) *KVDBClient

func (*KVDBClient) Delete 

func (k *KVDBClient) Delete(key string, opts ...datasync.DelOption) (existed bool, err error)

func (*KVDBClient) GetValue 

func (k *KVDBClient) GetValue(key string) (data []byte, found bool, revision int64, err error)

func (*KVDBClient) ListKeys 

func (k *KVDBClient) ListKeys(prefix string) (keyval.BytesKeyIterator, error)

func (*KVDBClient) ListValues 

func (k *KVDBClient) ListValues(prefix string) (keyval.BytesKeyValIterator, error)

func (*KVDBClient) Put 

func (k *KVDBClient) Put(key string, data []byte, opts ...datasync.PutOption) (err error)

type MetricsAPIClient 

type MetricsAPIClient interface {
	GetMetricData(ctx context.Context, metricName string) (map[string]interface{}, error)
}

type ModelAPIClient 

type ModelAPIClient interface {
	ModelList(ctx context.Context, opts types.ModelListOptions) ([]types.Model, error)
}

ModelAPIClient defines API client methods for the models

type Opt 

type Opt func(*Client) error

func WithAPIVersionNegotiation 

func WithAPIVersionNegotiation() Opt

WithAPIVersionNegotiation enables automatic API version negotiation for the client. With this option enabled, the client automatically negotiates the API version to use when making requests. API version negotiation is performed on the first request; subsequent requests will not re-negotiate.

func WithEtcdEndpoints 

func WithEtcdEndpoints(endpoints []string) Opt

func WithGRPCClient 

func WithGRPCClient(client *grpc.ClientConn) Opt

WithGRPCClient overrides the grpc client with the specified one

func WithHTTPClient 

func WithHTTPClient(client *http.Client) Opt

WithHTTPClient overrides the http client with the specified one

func WithHTTPHeaders 

func WithHTTPHeaders(headers map[string]string) Opt

WithHTTPHeaders overrides the client default http headers

func WithHost 

func WithHost(host string) Opt

WithHost overrides the client host with the specified one.

func WithServiceLabel 

func WithServiceLabel(label string) Opt

func WithTimeout 

func WithTimeout(timeout time.Duration) Opt

WithTimeout configures the time limit for requests made by the HTTP client

func WithVersion 

func WithVersion(version string) Opt

WithVersion overrides the client version with the specified one. If an empty version is specified, the value will be ignored to allow version negotiation.

type SchedulerAPIClient 

type SchedulerAPIClient interface {
	SchedulerDump(ctx context.Context, opts types.SchedulerDumpOptions) ([]api.KVWithMetadata, error)
	SchedulerValues(ctx context.Context, opts types.SchedulerValuesOptions) ([]*api.BaseValueStatus, error)
}

SchedulerAPIClient defines API client methods for the scheduler

type VppAPIClient 

type VppAPIClient interface {
	VppRunCli(ctx context.Context, cmd string) (reply string, err error)
}

VppAPIClient defines API client methods for the VPP

Source Files

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