Add a new tool, addtoqueue, which can be used to generically add any message to any queue

1 files changed, 93 insertions, 0 deletions

diff --git a/cmd/addtoqueue/main.go b/cmd/addtoqueue/main.go
new file mode 100644
index 0000000..3549180
--- /dev/null
+++ b/cmd/addtoqueue/main.go
@@ -0,0 +1,93 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+
+	"rescribe.xyz/bookpipeline"
+)
+
+const usage = `Usage: addtoqueue qname msg
+
+addtoqueue adds a message to a queue.
+
+This is handy to work around bugs when things are misbehaving.
+
+Valid queue names:
+- preprocess
+- wipeonly
+- ocr
+- ocrpage
+- analyse
+`
+
+// 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 QueuePipeliner interface {
+	Init() error
+	AddToQueue(url string, msg string) error
+	PreQueueId() string
+	WipeQueueId() string
+	OCRQueueId() string
+	OCRPageQueueId() string
+	AnalyseQueueId() string
+}
+
+func main() {
+	flag.Usage = func() {
+		fmt.Fprintf(flag.CommandLine.Output(), usage)
+		flag.PrintDefaults()
+	}
+	flag.Parse()
+
+	if flag.NArg() != 2 {
+		flag.Usage()
+		return
+	}
+
+	var n NullWriter
+	quietlog := log.New(n, "", 0)
+	var conn QueuePipeliner
+	conn = &bookpipeline.AwsConn{Region: "eu-west-2", Logger: quietlog}
+
+	err := conn.Init()
+	if err != nil {
+		log.Fatalln("Error setting up cloud connection:", err)
+	}
+
+	qdetails := []struct {
+		id, name string
+	}{
+		{conn.PreQueueId(), "preprocess"},
+		{conn.WipeQueueId(), "wipeonly"},
+		{conn.OCRQueueId(), "ocr"},
+		{conn.OCRPageQueueId(), "ocrpage"},
+		{conn.AnalyseQueueId(), "analyse"},
+	}
+
+	qname := flag.Arg(0)
+	msg := flag.Arg(1)
+
+	var qid string
+	for i, n := range qdetails {
+		if n.name == qname {
+			qid = qdetails[i].id
+			break
+		}
+	}
+	if qid == "" {
+		log.Fatalln("Error, no queue named", qname)
+	}
+
+	err = conn.AddToQueue(qid, msg)
+	if err != nil {
+		log.Fatalln("Error adding message to", qname, "queue:", err)
+	}
+	fmt.Println("Added message to the queue.")
+}