mirror of
https://github.com/ceph/ceph-csi.git
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91774fc936
Uses github.com/libopenstorage/secrets to communicate with Vault. This removes the need for maintaining our own limited Vault APIs. By adding the new dependency, several other packages got updated in the process. Unused indirect dependencies have been removed from go.mod. Signed-off-by: Niels de Vos <ndevos@redhat.com>
82 lines
2.5 KiB
Go
82 lines
2.5 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package impl
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import (
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"bytes"
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"compress/gzip"
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"io/ioutil"
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"sync"
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"google.golang.org/protobuf/internal/filedesc"
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"google.golang.org/protobuf/reflect/protoreflect"
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"google.golang.org/protobuf/reflect/protoregistry"
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)
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// Every enum and message type generated by protoc-gen-go since commit 2fc053c5
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// on February 25th, 2016 has had a method to get the raw descriptor.
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// Types that were not generated by protoc-gen-go or were generated prior
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// to that version are not supported.
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//
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// The []byte returned is the encoded form of a FileDescriptorProto message
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// compressed using GZIP. The []int is the path from the top-level file
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// to the specific message or enum declaration.
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type (
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enumV1 interface {
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EnumDescriptor() ([]byte, []int)
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}
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messageV1 interface {
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Descriptor() ([]byte, []int)
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}
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)
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var legacyFileDescCache sync.Map // map[*byte]protoreflect.FileDescriptor
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// legacyLoadFileDesc unmarshals b as a compressed FileDescriptorProto message.
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//
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// This assumes that b is immutable and that b does not refer to part of a
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// concatenated series of GZIP files (which would require shenanigans that
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// rely on the concatenation properties of both protobufs and GZIP).
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// File descriptors generated by protoc-gen-go do not rely on that property.
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func legacyLoadFileDesc(b []byte) protoreflect.FileDescriptor {
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// Fast-path: check whether we already have a cached file descriptor.
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if fd, ok := legacyFileDescCache.Load(&b[0]); ok {
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return fd.(protoreflect.FileDescriptor)
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}
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// Slow-path: decompress and unmarshal the file descriptor proto.
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zr, err := gzip.NewReader(bytes.NewReader(b))
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if err != nil {
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panic(err)
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}
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b2, err := ioutil.ReadAll(zr)
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if err != nil {
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panic(err)
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}
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fd := filedesc.Builder{
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RawDescriptor: b2,
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FileRegistry: resolverOnly{protoregistry.GlobalFiles}, // do not register back to global registry
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}.Build().File
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if fd, ok := legacyFileDescCache.LoadOrStore(&b[0], fd); ok {
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return fd.(protoreflect.FileDescriptor)
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}
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return fd
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}
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type resolverOnly struct {
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reg *protoregistry.Files
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}
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func (r resolverOnly) FindFileByPath(path string) (protoreflect.FileDescriptor, error) {
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return r.reg.FindFileByPath(path)
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}
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func (r resolverOnly) FindDescriptorByName(name protoreflect.FullName) (protoreflect.Descriptor, error) {
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return r.reg.FindDescriptorByName(name)
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}
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func (resolverOnly) RegisterFile(protoreflect.FileDescriptor) error {
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return nil
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}
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