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14c20c1843
* vmalert: support object storage for rules Support loading of alerting and recording rules from object storages `gcs://`, `gs://`, `s3://`. * review fixes
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package fslocal
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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// FS represents a local file system
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type FS struct {
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// Pattern is used for matching one or multiple files.
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// The pattern may describe hierarchical names such as
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// /usr/*/bin/ed (assuming the Separator is '/').
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Pattern string
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}
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// Init verifies that configured Pattern is correct
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func (fs *FS) Init() error {
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_, err := filepath.Glob(fs.Pattern)
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return err
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}
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// String implements Stringer interface
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func (fs *FS) String() string {
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return fmt.Sprintf("Local FS{MatchPattern: %q}", fs.Pattern)
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}
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// Read returns a map of read files where
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// key is the file name and value is file's content.
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func (fs *FS) Read() (map[string][]byte, error) {
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matches, err := filepath.Glob(fs.Pattern)
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if err != nil {
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return nil, fmt.Errorf("error while matching files via pattern %s: %w", fs.Pattern, err)
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}
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result := make(map[string][]byte)
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for _, path := range matches {
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data, err := os.ReadFile(path)
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if err != nil {
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return nil, fmt.Errorf("error while reading file %q: %w", path, err)
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}
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result[path] = data
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}
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return result, nil
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}
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