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http_client_dbrp.go
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http_client_dbrp.go
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package dbrp
import (
"context"
"fmt"
"path"
"strconv"
"github.com/influxdata/influxdb/v2"
"github.com/influxdata/influxdb/v2/kit/platform"
"github.com/influxdata/influxdb/v2/kit/tracing"
"github.com/influxdata/influxdb/v2/pkg/httpc"
)
var _ influxdb.DBRPMappingService = (*Client)(nil)
// Client connects to Influx via HTTP using tokens to manage DBRPs.
type Client struct {
Client *httpc.Client
Prefix string
}
func NewClient(client *httpc.Client) *Client {
return &Client{
Client: client,
Prefix: PrefixDBRP,
}
}
func (c *Client) dbrpURL(id platform.ID) string {
return path.Join(c.Prefix, id.String())
}
func (c *Client) FindByID(ctx context.Context, orgID, id platform.ID) (*influxdb.DBRPMapping, error) {
span, _ := tracing.StartSpanFromContext(ctx)
defer span.Finish()
var resp getDBRPResponse
if err := c.Client.
Get(c.dbrpURL(id)).
QueryParams([2]string{"orgID", orgID.String()}).
DecodeJSON(&resp).
Do(ctx); err != nil {
return nil, err
}
return resp.Content, nil
}
func (c *Client) FindMany(ctx context.Context, filter influxdb.DBRPMappingFilter, opts ...influxdb.FindOptions) ([]*influxdb.DBRPMapping, int, error) {
span, _ := tracing.StartSpanFromContext(ctx)
defer span.Finish()
params := influxdb.FindOptionParams(opts...)
if filter.OrgID != nil {
params = append(params, [2]string{"orgID", filter.OrgID.String()})
} else {
return nil, 0, fmt.Errorf("please filter by orgID")
}
if filter.ID != nil {
params = append(params, [2]string{"id", filter.ID.String()})
}
if filter.BucketID != nil {
params = append(params, [2]string{"bucketID", filter.BucketID.String()})
}
if filter.Database != nil {
params = append(params, [2]string{"db", *filter.Database})
}
if filter.RetentionPolicy != nil {
params = append(params, [2]string{"rp", *filter.RetentionPolicy})
}
if filter.Default != nil {
params = append(params, [2]string{"default", strconv.FormatBool(*filter.Default)})
}
var resp getDBRPsResponse
if err := c.Client.
Get(c.Prefix).
QueryParams(params...).
DecodeJSON(&resp).
Do(ctx); err != nil {
return nil, 0, err
}
return resp.Content, len(resp.Content), nil
}
func (c *Client) Create(ctx context.Context, dbrp *influxdb.DBRPMapping) error {
span, _ := tracing.StartSpanFromContext(ctx)
defer span.Finish()
var newDBRP influxdb.DBRPMapping
if err := c.Client.
PostJSON(createDBRPRequest{
Database: dbrp.Database,
RetentionPolicy: dbrp.RetentionPolicy,
Default: dbrp.Default,
OrganizationID: dbrp.OrganizationID.String(),
BucketID: dbrp.BucketID.String(),
}, c.Prefix).
DecodeJSON(&newDBRP).
Do(ctx); err != nil {
return err
}
dbrp.ID = newDBRP.ID
return nil
}
func (c *Client) Update(ctx context.Context, dbrp *influxdb.DBRPMapping) error {
span, _ := tracing.StartSpanFromContext(ctx)
defer span.Finish()
if err := dbrp.Validate(); err != nil {
return err
}
var newDBRP influxdb.DBRPMapping
if err := c.Client.
PatchJSON(dbrp, c.dbrpURL(dbrp.ID)).
QueryParams([2]string{"orgID", dbrp.OrganizationID.String()}).
DecodeJSON(&newDBRP).
Do(ctx); err != nil {
return err
}
*dbrp = newDBRP
return nil
}
func (c *Client) Delete(ctx context.Context, orgID, id platform.ID) error {
span, _ := tracing.StartSpanFromContext(ctx)
defer span.Finish()
return c.Client.
Delete(c.dbrpURL(id)).
QueryParams([2]string{"orgID", orgID.String()}).
Do(ctx)
}