117 lines
2.9 KiB
Go
117 lines
2.9 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-api-go/v2/container"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
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rpcapi "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/client"
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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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)
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// PrmContainerGet groups parameters of ContainerGet operation.
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type PrmContainerGet struct {
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prmCommonMeta
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idSet bool
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id cid.ID
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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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func (x *PrmContainerGet) SetContainer(id cid.ID) {
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x.id = id
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x.idSet = true
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}
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func (x *PrmContainerGet) formRequest(_ *Client) (*v2container.GetRequest, error) {
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if !x.idSet {
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return nil, errorMissingContainer
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}
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var cidV2 refs.ContainerID
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x.id.WriteToV2(&cidV2)
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reqBody := new(v2container.GetRequestBody)
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reqBody.SetContainerID(&cidV2)
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var req v2container.GetRequest
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req.SetBody(reqBody)
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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.ResolveFrostFSFailures has been called, unsuccessful
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// FrostFS status codes are returned as `error`, otherwise, are included
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// in the returned result structure.
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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.formRequest(c)
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if err != nil {
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return nil, err
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}
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// init call context
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var (
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cc contextCall
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res ResContainerGet
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)
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c.initCallContext(&cc)
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cc.meta = prm.prmCommonMeta
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cc.req = req
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cc.statusRes = &res
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cc.call = func() (responseV2, error) {
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return rpcapi.GetContainer(&c.c, req, client.WithContext(ctx))
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}
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cc.result = func(r responseV2) {
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resp := r.(*v2container.GetResponse)
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cnrV2 := resp.GetBody().GetContainer()
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if cnrV2 == nil {
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cc.err = errors.New("missing container in response")
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return
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}
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cc.err = res.cnr.ReadFromV2(*cnrV2)
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if cc.err != nil {
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cc.err = fmt.Errorf("invalid container in response: %w", cc.err)
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}
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}
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// process call
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if !cc.processCall() {
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return nil, cc.err
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}
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return &res, nil
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}
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