126 lines
3.5 KiB
Go
126 lines
3.5 KiB
Go
package client
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import (
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"context"
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"errors"
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"fmt"
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v2container "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs"
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rpcapi "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/client"
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v2session "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/signature"
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apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/session"
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)
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// PrmContainerGet groups parameters of ContainerGet operation.
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type PrmContainerGet struct {
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// FrostFS request X-Headers.
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XHeaders []string
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ContainerID *cid.ID
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Session *session.Container
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}
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// SetContainer sets identifier of the container to be read.
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// Required parameter.
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//
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// Deprecated: Use PrmContainerGet.ContainerID instead.
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func (prm *PrmContainerGet) SetContainer(cid cid.ID) {
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prm.ContainerID = &cid
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}
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func (prm *PrmContainerGet) buildRequest(c *Client) (*v2container.GetRequest, error) {
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if prm.ContainerID == nil {
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return nil, errorMissingContainer
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}
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if len(prm.XHeaders)%2 != 0 {
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return nil, errorInvalidXHeaders
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}
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var cidV2 refs.ContainerID
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prm.ContainerID.WriteToV2(&cidV2)
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reqBody := new(v2container.GetRequestBody)
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reqBody.SetContainerID(&cidV2)
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var meta v2session.RequestMetaHeader
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writeXHeadersToMeta(prm.XHeaders, &meta)
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if prm.Session != nil {
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var tokv2 v2session.Token
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prm.Session.WriteToV2(&tokv2)
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meta.SetSessionToken(&tokv2)
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}
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var req v2container.GetRequest
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req.SetBody(reqBody)
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c.prepareRequest(&req, &meta)
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return &req, nil
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}
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// ResContainerGet groups resulting values of ContainerGet operation.
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type ResContainerGet struct {
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statusRes
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cnr container.Container
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}
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// Container returns structured information about the requested container.
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//
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// Client doesn't retain value so modification is safe.
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func (x ResContainerGet) Container() container.Container {
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return x.cnr
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}
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// ContainerGet reads FrostFS container by ID.
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//
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// Exactly one return value is non-nil. By default, server status is returned in res structure.
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// Any client's internal or transport errors are returned as `error`.
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// If PrmInit.DisableFrostFSFailuresResolution has been called, unsuccessful
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// FrostFS status codes are included in the returned result structure,
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// otherwise, are also returned as `error`.
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//
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// Returns an error if parameters are set incorrectly (see PrmContainerGet docs).
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// Context is required and must not be nil. It is used for network communication.
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//
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// Return statuses:
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// - global (see Client docs);
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// - *apistatus.ContainerNotFound.
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func (c *Client) ContainerGet(ctx context.Context, prm PrmContainerGet) (*ResContainerGet, error) {
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req, err := prm.buildRequest(c)
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if err != nil {
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return nil, err
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}
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if err := signature.SignServiceMessage(&c.prm.Key, req); err != nil {
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return nil, fmt.Errorf("sign request: %w", err)
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}
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resp, err := rpcapi.GetContainer(&c.c, req, client.WithContext(ctx))
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if err != nil {
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return nil, err
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}
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var res ResContainerGet
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res.st, err = c.processResponse(resp)
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if err != nil || !apistatus.IsSuccessful(res.st) {
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return &res, err
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}
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cnrV2 := resp.GetBody().GetContainer()
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if cnrV2 == nil {
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return &res, errors.New("missing container in response")
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}
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if err := res.cnr.ReadFromV2(*cnrV2); err != nil {
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return &res, fmt.Errorf("invalid container in response: %w", err)
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}
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return &res, nil
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}
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