diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/rmbook/main.go | 78 | 
1 files changed, 78 insertions, 0 deletions
diff --git a/cmd/rmbook/main.go b/cmd/rmbook/main.go new file mode 100644 index 0000000..8d434a9 --- /dev/null +++ b/cmd/rmbook/main.go @@ -0,0 +1,78 @@ +// Copyright 2020 Nick White. +// Use of this source code is governed by the GPLv3 +// license that can be found in the LICENSE file. + +// rmbook removes a book from cloud storage. +package main + +import ( +	"flag" +	"fmt" +	"log" + +	"rescribe.xyz/bookpipeline" +) + +const usage = `Usage: rmbook bookname + +Removes a book from cloud storage. +` + +// null writer to enable non-verbose logging to be discarded +type NullWriter bool + +func (w NullWriter) Write(p []byte) (n int, err error) { +	return len(p), nil +} + +type RmPipeliner interface { +        MinimalInit() error +        WIPStorageId() string +	DeleteObjects(bucket string, keys []string) error +	ListObjects(bucket string, prefix string) ([]string, error) +} + +func main() { +	flag.Usage = func() { +		fmt.Fprintf(flag.CommandLine.Output(), usage) +		flag.PrintDefaults() +	} +	flag.Parse() + +	if flag.NArg() < 1 { +		flag.Usage() +		return +	} + +	var n NullWriter +	verboselog := log.New(n, "", log.LstdFlags) + +	var conn RmPipeliner +	conn = &bookpipeline.AwsConn{Region: "eu-west-2", Logger: verboselog} + +	fmt.Println("Setting up cloud connection") +	err := conn.MinimalInit() +	if err != nil { +		log.Fatalln("Error setting up cloud connection:", err) +	} + +	bookname := flag.Arg(0) + +	fmt.Println("Getting list of files for book") +	objs, err := conn.ListObjects(conn.WIPStorageId(), bookname) +	if err != nil { +		log.Fatalln("Error in listing book items:", err) +	} + +	if len(objs) == 0 { +		log.Fatalln("No files found for book:", bookname) +	} + +	fmt.Println("Deleting all files for book") +	err = conn.DeleteObjects(conn.WIPStorageId(), objs) +	if err != nil { +		log.Fatalln("Error deleting book files:", err) +	} + +	fmt.Println("Finished deleting files") +}  | 
