mirror of
https://github.com/fnproject/fn.git
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206aa3c203
* update vendor directory, add go.opencensus.io * update imports * oops * s/opentracing/opencensus/ & remove prometheus / zipkin stuff & remove old stats * the dep train rides again * fix gin build * deps from last guy * start in on the agent metrics * she builds * remove tags for now, cardinality error is fussing. subscribe instead of register * update to patched version of opencensus to proceed for now TODO switch to a release * meh fix imports * println debug the bad boys * lace it with the tags * update deps again * fix all inconsistent cardinality errors * add our own logger * fix init * fix oom measure * remove bugged removal code * fix s3 measures * fix prom handler nil
89 lines
1.7 KiB
Go
89 lines
1.7 KiB
Go
// +build !windows
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package fs
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import (
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"context"
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"os"
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"path/filepath"
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"syscall"
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)
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type inode struct {
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// TODO(stevvooe): Can probably reduce memory usage by not tracking
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// device, but we can leave this right for now.
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dev, ino uint64
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}
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func newInode(stat *syscall.Stat_t) inode {
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return inode{
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// Dev is uint32 on darwin/bsd, uint64 on linux/solaris
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dev: uint64(stat.Dev), // nolint: unconvert
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// Ino is uint32 on bsd, uint64 on darwin/linux/solaris
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ino: uint64(stat.Ino), // nolint: unconvert
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}
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}
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func diskUsage(roots ...string) (Usage, error) {
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var (
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size int64
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inodes = map[inode]struct{}{} // expensive!
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)
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for _, root := range roots {
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if err := filepath.Walk(root, func(path string, fi os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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inoKey := newInode(fi.Sys().(*syscall.Stat_t))
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if _, ok := inodes[inoKey]; !ok {
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inodes[inoKey] = struct{}{}
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size += fi.Size()
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}
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return nil
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}); err != nil {
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return Usage{}, err
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}
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}
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return Usage{
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Inodes: int64(len(inodes)),
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Size: size,
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}, nil
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}
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func diffUsage(ctx context.Context, a, b string) (Usage, error) {
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var (
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size int64
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inodes = map[inode]struct{}{} // expensive!
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)
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if err := Changes(ctx, a, b, func(kind ChangeKind, _ string, fi os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if kind == ChangeKindAdd || kind == ChangeKindModify {
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inoKey := newInode(fi.Sys().(*syscall.Stat_t))
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if _, ok := inodes[inoKey]; !ok {
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inodes[inoKey] = struct{}{}
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size += fi.Size()
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}
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return nil
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}
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return nil
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}); err != nil {
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return Usage{}, err
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}
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return Usage{
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Inodes: int64(len(inodes)),
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Size: size,
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}, nil
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}
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