frostfs-sdk-go/client/container.go
Anton Nikiforov 5e759bf089 [#2] Remove panic from RPCs
Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>
2023-03-01 10:29:23 +03:00

820 lines
22 KiB
Go

package client
import (
"context"
"errors"
"fmt"
v2container "github.com/TrueCloudLab/frostfs-api-go/v2/container"
"github.com/TrueCloudLab/frostfs-api-go/v2/refs"
rpcapi "github.com/TrueCloudLab/frostfs-api-go/v2/rpc"
"github.com/TrueCloudLab/frostfs-api-go/v2/rpc/client"
v2session "github.com/TrueCloudLab/frostfs-api-go/v2/session"
"github.com/TrueCloudLab/frostfs-sdk-go/container"
cid "github.com/TrueCloudLab/frostfs-sdk-go/container/id"
frostfscrypto "github.com/TrueCloudLab/frostfs-sdk-go/crypto"
frostfsecdsa "github.com/TrueCloudLab/frostfs-sdk-go/crypto/ecdsa"
"github.com/TrueCloudLab/frostfs-sdk-go/eacl"
"github.com/TrueCloudLab/frostfs-sdk-go/session"
"github.com/TrueCloudLab/frostfs-sdk-go/user"
)
// PrmContainerPut groups parameters of ContainerPut operation.
type PrmContainerPut struct {
prmCommonMeta
cnrSet bool
cnr container.Container
sessionSet bool
session session.Container
}
// SetContainer sets structured information about new FrostFS container.
// Required parameter.
func (x *PrmContainerPut) SetContainer(cnr container.Container) {
x.cnr = cnr
x.cnrSet = true
}
// WithinSession specifies session within which container should be saved.
//
// Creator of the session acquires the authorship of the request. This affects
// the execution of an operation (e.g. access control).
//
// Session is optional, if set the following requirements apply:
// - session operation MUST be session.VerbContainerPut (ForVerb)
// - token MUST be signed using private key of the owner of the container to be saved
func (x *PrmContainerPut) WithinSession(s session.Container) {
x.session = s
x.sessionSet = true
}
// ResContainerPut groups resulting values of ContainerPut operation.
type ResContainerPut struct {
statusRes
id cid.ID
}
// ID returns identifier of the container declared to be stored in the system.
// Used as a link to information about the container (in particular, you can
// asynchronously check if the save was successful).
func (x ResContainerPut) ID() cid.ID {
return x.id
}
// ContainerPut sends request to save container in FrostFS.
//
// Exactly one return value is non-nil. By default, server status is returned in res structure.
// Any client's internal or transport errors are returned as `error`.
// If PrmInit.ResolveFrostFSFailures has been called, unsuccessful
// FrostFS status codes are returned as `error`, otherwise, are included
// in the returned result structure.
//
// Operation is asynchronous and no guaranteed even in the absence of errors.
// The required time is also not predictable.
//
// Success can be verified by reading by identifier (see ResContainerPut.ID).
//
// Returns an error if parameters are set incorrectly (see PrmContainerPut docs).
// Context is required and must not be nil. It is used for network communication.
//
// Return statuses:
// - global (see Client docs).
func (c *Client) ContainerPut(ctx context.Context, prm PrmContainerPut) (*ResContainerPut, error) {
// check parameters
switch {
case ctx == nil:
return nil, errorMissingContext
case !prm.cnrSet:
return nil, errorMissingContainer
}
// TODO: check private key is set before forming the request
// sign container
var cnr v2container.Container
prm.cnr.WriteToV2(&cnr)
var sig frostfscrypto.Signature
err := container.CalculateSignature(&sig, prm.cnr, c.prm.key)
if err != nil {
return nil, fmt.Errorf("calculate container signature: %w", err)
}
var sigv2 refs.Signature
sig.WriteToV2(&sigv2)
// form request body
reqBody := new(v2container.PutRequestBody)
reqBody.SetContainer(&cnr)
reqBody.SetSignature(&sigv2)
// form meta header
var meta v2session.RequestMetaHeader
writeXHeadersToMeta(prm.prmCommonMeta.xHeaders, &meta)
if prm.sessionSet {
var tokv2 v2session.Token
prm.session.WriteToV2(&tokv2)
meta.SetSessionToken(&tokv2)
}
// form request
var req v2container.PutRequest
req.SetBody(reqBody)
req.SetMetaHeader(&meta)
// init call context
var (
cc contextCall
res ResContainerPut
)
c.initCallContext(&cc)
cc.req = &req
cc.statusRes = &res
cc.call = func() (responseV2, error) {
return rpcapi.PutContainer(&c.c, &req, client.WithContext(ctx))
}
cc.result = func(r responseV2) {
resp := r.(*v2container.PutResponse)
const fieldCnrID = "container ID"
cidV2 := resp.GetBody().GetContainerID()
if cidV2 == nil {
cc.err = newErrMissingResponseField(fieldCnrID)
return
}
cc.err = res.id.ReadFromV2(*cidV2)
if cc.err != nil {
cc.err = newErrInvalidResponseField(fieldCnrID, cc.err)
}
}
// process call
if !cc.processCall() {
return nil, cc.err
}
return &res, nil
}
// PrmContainerGet groups parameters of ContainerGet operation.
type PrmContainerGet struct {
prmCommonMeta
idSet bool
id cid.ID
}
// SetContainer sets identifier of the container to be read.
// Required parameter.
func (x *PrmContainerGet) SetContainer(id cid.ID) {
x.id = id
x.idSet = true
}
// ResContainerGet groups resulting values of ContainerGet operation.
type ResContainerGet struct {
statusRes
cnr container.Container
}
// Container returns structured information about the requested container.
//
// Client doesn't retain value so modification is safe.
func (x ResContainerGet) Container() container.Container {
return x.cnr
}
// ContainerGet reads FrostFS container by ID.
//
// Exactly one return value is non-nil. By default, server status is returned in res structure.
// Any client's internal or transport errors are returned as `error`.
// If PrmInit.ResolveFrostFSFailures has been called, unsuccessful
// FrostFS status codes are returned as `error`, otherwise, are included
// in the returned result structure.
//
// Returns an error if parameters are set incorrectly (see PrmContainerGet docs).
// Context is required and must not be nil. It is used for network communication.
//
// Return statuses:
// - global (see Client docs);
// - *apistatus.ContainerNotFound.
func (c *Client) ContainerGet(ctx context.Context, prm PrmContainerGet) (*ResContainerGet, error) {
switch {
case ctx == nil:
return nil, errorMissingContext
case !prm.idSet:
return nil, errorMissingContainer
}
var cidV2 refs.ContainerID
prm.id.WriteToV2(&cidV2)
// form request body
reqBody := new(v2container.GetRequestBody)
reqBody.SetContainerID(&cidV2)
// form request
var req v2container.GetRequest
req.SetBody(reqBody)
// init call context
var (
cc contextCall
res ResContainerGet
)
c.initCallContext(&cc)
cc.meta = prm.prmCommonMeta
cc.req = &req
cc.statusRes = &res
cc.call = func() (responseV2, error) {
return rpcapi.GetContainer(&c.c, &req, client.WithContext(ctx))
}
cc.result = func(r responseV2) {
resp := r.(*v2container.GetResponse)
cnrV2 := resp.GetBody().GetContainer()
if cnrV2 == nil {
cc.err = errors.New("missing container in response")
return
}
cc.err = res.cnr.ReadFromV2(*cnrV2)
if cc.err != nil {
cc.err = fmt.Errorf("invalid container in response: %w", cc.err)
}
}
// process call
if !cc.processCall() {
return nil, cc.err
}
return &res, nil
}
// PrmContainerList groups parameters of ContainerList operation.
type PrmContainerList struct {
prmCommonMeta
ownerSet bool
ownerID user.ID
}
// SetAccount sets identifier of the FrostFS account to list the containers.
// Required parameter.
func (x *PrmContainerList) SetAccount(id user.ID) {
x.ownerID = id
x.ownerSet = true
}
// ResContainerList groups resulting values of ContainerList operation.
type ResContainerList struct {
statusRes
ids []cid.ID
}
// Containers returns list of identifiers of the account-owned containers.
//
// Client doesn't retain value so modification is safe.
func (x ResContainerList) Containers() []cid.ID {
return x.ids
}
// ContainerList requests identifiers of the account-owned containers.
//
// Exactly one return value is non-nil. By default, server status is returned in res structure.
// Any client's internal or transport errors are returned as `error`.
// If PrmInit.ResolveFrostFSFailures has been called, unsuccessful
// FrostFS status codes are returned as `error`, otherwise, are included
// in the returned result structure.
//
// Returns an error if parameters are set incorrectly (see PrmContainerList docs).
// Context is required and must not be nil. It is used for network communication.
//
// Return statuses:
// - global (see Client docs).
func (c *Client) ContainerList(ctx context.Context, prm PrmContainerList) (*ResContainerList, error) {
// check parameters
switch {
case ctx == nil:
return nil, errorMissingContext
case !prm.ownerSet:
return nil, errorAccountNotSet
}
// form request body
var ownerV2 refs.OwnerID
prm.ownerID.WriteToV2(&ownerV2)
reqBody := new(v2container.ListRequestBody)
reqBody.SetOwnerID(&ownerV2)
// form request
var req v2container.ListRequest
req.SetBody(reqBody)
// init call context
var (
cc contextCall
res ResContainerList
)
c.initCallContext(&cc)
cc.meta = prm.prmCommonMeta
cc.req = &req
cc.statusRes = &res
cc.call = func() (responseV2, error) {
return rpcapi.ListContainers(&c.c, &req, client.WithContext(ctx))
}
cc.result = func(r responseV2) {
resp := r.(*v2container.ListResponse)
res.ids = make([]cid.ID, len(resp.GetBody().GetContainerIDs()))
for i, cidV2 := range resp.GetBody().GetContainerIDs() {
cc.err = res.ids[i].ReadFromV2(cidV2)
if cc.err != nil {
cc.err = fmt.Errorf("invalid ID in the response: %w", cc.err)
return
}
}
}
// process call
if !cc.processCall() {
return nil, cc.err
}
return &res, nil
}
// PrmContainerDelete groups parameters of ContainerDelete operation.
type PrmContainerDelete struct {
prmCommonMeta
idSet bool
id cid.ID
tokSet bool
tok session.Container
}
// SetContainer sets identifier of the FrostFS container to be removed.
// Required parameter.
func (x *PrmContainerDelete) SetContainer(id cid.ID) {
x.id = id
x.idSet = true
}
// WithinSession specifies session within which container should be removed.
//
// Creator of the session acquires the authorship of the request.
// This may affect the execution of an operation (e.g. access control).
//
// Must be signed.
func (x *PrmContainerDelete) WithinSession(tok session.Container) {
x.tok = tok
x.tokSet = true
}
// ResContainerDelete groups resulting values of ContainerDelete operation.
type ResContainerDelete struct {
statusRes
}
// ContainerDelete sends request to remove the FrostFS container.
//
// Exactly one return value is non-nil. By default, server status is returned in res structure.
// Any client's internal or transport errors are returned as `error`.
// If PrmInit.ResolveFrostFSFailures has been called, unsuccessful
// FrostFS status codes are returned as `error`, otherwise, are included
// in the returned result structure.
//
// Operation is asynchronous and no guaranteed even in the absence of errors.
// The required time is also not predictable.
//
// Success can be verified by reading by identifier (see GetContainer).
//
// Returns an error if parameters are set incorrectly (see PrmContainerDelete docs).
// Context is required and must not be nil. It is used for network communication.
//
// Exactly one return value is non-nil. Server status return is returned in ResContainerDelete.
// Reflects all internal errors in second return value (transport problems, response processing, etc.).
//
// Return statuses:
// - global (see Client docs).
func (c *Client) ContainerDelete(ctx context.Context, prm PrmContainerDelete) (*ResContainerDelete, error) {
// check parameters
switch {
case ctx == nil:
return nil, errorMissingContext
case !prm.idSet:
return nil, errorMissingContainer
}
// sign container ID
var cidV2 refs.ContainerID
prm.id.WriteToV2(&cidV2)
// container contract expects signature of container ID value
// don't get confused with stable marshaled protobuf container.ID structure
data := cidV2.GetValue()
var sig frostfscrypto.Signature
err := sig.Calculate(frostfsecdsa.SignerRFC6979(c.prm.key), data)
if err != nil {
return nil, fmt.Errorf("calculate signature: %w", err)
}
var sigv2 refs.Signature
sig.WriteToV2(&sigv2)
// form request body
reqBody := new(v2container.DeleteRequestBody)
reqBody.SetContainerID(&cidV2)
reqBody.SetSignature(&sigv2)
// form meta header
var meta v2session.RequestMetaHeader
writeXHeadersToMeta(prm.prmCommonMeta.xHeaders, &meta)
if prm.tokSet {
var tokv2 v2session.Token
prm.tok.WriteToV2(&tokv2)
meta.SetSessionToken(&tokv2)
}
// form request
var req v2container.DeleteRequest
req.SetBody(reqBody)
req.SetMetaHeader(&meta)
// init call context
var (
cc contextCall
res ResContainerDelete
)
c.initCallContext(&cc)
cc.req = &req
cc.statusRes = &res
cc.call = func() (responseV2, error) {
return rpcapi.DeleteContainer(&c.c, &req, client.WithContext(ctx))
}
// process call
if !cc.processCall() {
return nil, cc.err
}
return &res, nil
}
// PrmContainerEACL groups parameters of ContainerEACL operation.
type PrmContainerEACL struct {
prmCommonMeta
idSet bool
id cid.ID
}
// SetContainer sets identifier of the FrostFS container to read the eACL table.
// Required parameter.
func (x *PrmContainerEACL) SetContainer(id cid.ID) {
x.id = id
x.idSet = true
}
// ResContainerEACL groups resulting values of ContainerEACL operation.
type ResContainerEACL struct {
statusRes
table eacl.Table
}
// Table returns eACL table of the requested container.
func (x ResContainerEACL) Table() eacl.Table {
return x.table
}
// ContainerEACL reads eACL table of the FrostFS container.
//
// Exactly one return value is non-nil. By default, server status is returned in res structure.
// Any client's internal or transport errors are returned as `error`.
// If PrmInit.ResolveFrostFSFailures has been called, unsuccessful
// FrostFS status codes are returned as `error`, otherwise, are included
// in the returned result structure.
//
// Returns an error if parameters are set incorrectly (see PrmContainerEACL docs).
// Context is required and must not be nil. It is used for network communication.
//
// Return statuses:
// - global (see Client docs);
// - *apistatus.ContainerNotFound;
// - *apistatus.EACLNotFound.
func (c *Client) ContainerEACL(ctx context.Context, prm PrmContainerEACL) (*ResContainerEACL, error) {
// check parameters
switch {
case ctx == nil:
return nil, errorMissingContext
case !prm.idSet:
return nil, errorMissingContainer
}
var cidV2 refs.ContainerID
prm.id.WriteToV2(&cidV2)
// form request body
reqBody := new(v2container.GetExtendedACLRequestBody)
reqBody.SetContainerID(&cidV2)
// form request
var req v2container.GetExtendedACLRequest
req.SetBody(reqBody)
// init call context
var (
cc contextCall
res ResContainerEACL
)
c.initCallContext(&cc)
cc.meta = prm.prmCommonMeta
cc.req = &req
cc.statusRes = &res
cc.call = func() (responseV2, error) {
return rpcapi.GetEACL(&c.c, &req, client.WithContext(ctx))
}
cc.result = func(r responseV2) {
resp := r.(*v2container.GetExtendedACLResponse)
eACL := resp.GetBody().GetEACL()
if eACL == nil {
cc.err = newErrMissingResponseField("eACL")
return
}
res.table = *eacl.NewTableFromV2(eACL)
}
// process call
if !cc.processCall() {
return nil, cc.err
}
return &res, nil
}
// PrmContainerSetEACL groups parameters of ContainerSetEACL operation.
type PrmContainerSetEACL struct {
prmCommonMeta
tableSet bool
table eacl.Table
sessionSet bool
session session.Container
}
// SetTable sets eACL table structure to be set for the container.
// Required parameter.
func (x *PrmContainerSetEACL) SetTable(table eacl.Table) {
x.table = table
x.tableSet = true
}
// WithinSession specifies session within which extended ACL of the container
// should be saved.
//
// Creator of the session acquires the authorship of the request. This affects
// the execution of an operation (e.g. access control).
//
// Session is optional, if set the following requirements apply:
// - if particular container is specified (ApplyOnlyTo), it MUST equal the container
// for which extended ACL is going to be set
// - session operation MUST be session.VerbContainerSetEACL (ForVerb)
// - token MUST be signed using private key of the owner of the container to be saved
func (x *PrmContainerSetEACL) WithinSession(s session.Container) {
x.session = s
x.sessionSet = true
}
// ResContainerSetEACL groups resulting values of ContainerSetEACL operation.
type ResContainerSetEACL struct {
statusRes
}
// ContainerSetEACL sends request to update eACL table of the FrostFS container.
//
// Exactly one return value is non-nil. By default, server status is returned in res structure.
// Any client's internal or transport errors are returned as `error`.
// If PrmInit.ResolveFrostFSFailures has been called, unsuccessful
// FrostFS status codes are returned as `error`, otherwise, are included
// in the returned result structure.
//
// Operation is asynchronous and no guaranteed even in the absence of errors.
// The required time is also not predictable.
//
// Success can be verified by reading by identifier (see EACL).
//
// Returns an error if parameters are set incorrectly (see PrmContainerSetEACL docs).
// Context is required and must not be nil. It is used for network communication.
//
// Return statuses:
// - global (see Client docs).
func (c *Client) ContainerSetEACL(ctx context.Context, prm PrmContainerSetEACL) (*ResContainerSetEACL, error) {
// check parameters
switch {
case ctx == nil:
return nil, errorMissingContext
case !prm.tableSet:
return nil, errorEACLTableNotSet
}
// sign the eACL table
eaclV2 := prm.table.ToV2()
var sig frostfscrypto.Signature
err := sig.Calculate(frostfsecdsa.SignerRFC6979(c.prm.key), eaclV2.StableMarshal(nil))
if err != nil {
return nil, fmt.Errorf("calculate signature: %w", err)
}
var sigv2 refs.Signature
sig.WriteToV2(&sigv2)
// form request body
reqBody := new(v2container.SetExtendedACLRequestBody)
reqBody.SetEACL(eaclV2)
reqBody.SetSignature(&sigv2)
// form meta header
var meta v2session.RequestMetaHeader
writeXHeadersToMeta(prm.prmCommonMeta.xHeaders, &meta)
if prm.sessionSet {
var tokv2 v2session.Token
prm.session.WriteToV2(&tokv2)
meta.SetSessionToken(&tokv2)
}
// form request
var req v2container.SetExtendedACLRequest
req.SetBody(reqBody)
req.SetMetaHeader(&meta)
// init call context
var (
cc contextCall
res ResContainerSetEACL
)
c.initCallContext(&cc)
cc.req = &req
cc.statusRes = &res
cc.call = func() (responseV2, error) {
return rpcapi.SetEACL(&c.c, &req, client.WithContext(ctx))
}
// process call
if !cc.processCall() {
return nil, cc.err
}
return &res, nil
}
// PrmAnnounceSpace groups parameters of ContainerAnnounceUsedSpace operation.
type PrmAnnounceSpace struct {
prmCommonMeta
announcements []container.SizeEstimation
}
// SetValues sets values describing volume of space that is used for the container objects.
// Required parameter. Must not be empty.
//
// Must not be mutated before the end of the operation.
func (x *PrmAnnounceSpace) SetValues(vs []container.SizeEstimation) {
x.announcements = vs
}
// ResAnnounceSpace groups resulting values of ContainerAnnounceUsedSpace operation.
type ResAnnounceSpace struct {
statusRes
}
// ContainerAnnounceUsedSpace sends request to announce volume of the space used for the container objects.
//
// Exactly one return value is non-nil. By default, server status is returned in res structure.
// Any client's internal or transport errors are returned as `error`.
// If PrmInit.ResolveFrostFSFailures has been called, unsuccessful
// FrostFS status codes are returned as `error`, otherwise, are included
// in the returned result structure.
//
// Operation is asynchronous and no guaranteed even in the absence of errors.
// The required time is also not predictable.
//
// At this moment success can not be checked.
//
// Returns an error if parameters are set incorrectly (see PrmAnnounceSpace docs).
// Context is required and must not be nil. It is used for network communication.
//
// Return statuses:
// - global (see Client docs).
func (c *Client) ContainerAnnounceUsedSpace(ctx context.Context, prm PrmAnnounceSpace) (*ResAnnounceSpace, error) {
// check parameters
switch {
case ctx == nil:
return nil, errorMissingContext
case len(prm.announcements) == 0:
return nil, errorMissingAnnouncements
}
// convert list of SDK announcement structures into FrostFS-API v2 list
v2announce := make([]v2container.UsedSpaceAnnouncement, len(prm.announcements))
for i := range prm.announcements {
prm.announcements[i].WriteToV2(&v2announce[i])
}
// prepare body of the FrostFS-API v2 request and request itself
reqBody := new(v2container.AnnounceUsedSpaceRequestBody)
reqBody.SetAnnouncements(v2announce)
// form request
var req v2container.AnnounceUsedSpaceRequest
req.SetBody(reqBody)
// init call context
var (
cc contextCall
res ResAnnounceSpace
)
c.initCallContext(&cc)
cc.meta = prm.prmCommonMeta
cc.req = &req
cc.statusRes = &res
cc.call = func() (responseV2, error) {
return rpcapi.AnnounceUsedSpace(&c.c, &req, client.WithContext(ctx))
}
// process call
if !cc.processCall() {
return nil, cc.err
}
return &res, nil
}
// SyncContainerWithNetwork requests network configuration using passed client
// and applies it to the container. Container MUST not be nil.
//
// Note: if container does not match network configuration, SyncContainerWithNetwork
// changes it.
//
// Returns any network/parsing config errors.
//
// See also NetworkInfo, container.ApplyNetworkConfig.
func SyncContainerWithNetwork(ctx context.Context, cnr *container.Container, c *Client) error {
res, err := c.NetworkInfo(ctx, PrmNetworkInfo{})
if err != nil {
return fmt.Errorf("network info call: %w", err)
}
container.ApplyNetworkConfig(cnr, res.Info())
return nil
}