diff options
Diffstat (limited to 'bookpipeline/cmd/lspipeline/main.go')
-rw-r--r-- | bookpipeline/cmd/lspipeline/main.go | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/bookpipeline/cmd/lspipeline/main.go b/bookpipeline/cmd/lspipeline/main.go deleted file mode 100644 index 46a1d63..0000000 --- a/bookpipeline/cmd/lspipeline/main.go +++ /dev/null @@ -1,250 +0,0 @@ -package main - -import ( - "flag" - "fmt" - "log" - "os/exec" - "strings" - - "rescribe.xyz/go.git/bookpipeline" -) - -const usage = `Usage: lspipeline [-i key] [-n num] - -Lists useful things related to the pipeline. - -- Instances running -- Messages in each queue -- Books not completed -- Books done -- Last n lines of bookpipeline logs from each running instance -` - -type LsPipeliner interface { - Init() error - PreQueueId() string - WipeQueueId() string - OCRQueueId() string - AnalyseQueueId() string - GetQueueDetails(url string) (string, string, error) - GetInstanceDetails() ([]bookpipeline.InstanceDetails, error) - ListObjects(bucket string, prefix string) ([]string, error) - WIPStorageId() string -} - -// NullWriter is used so non-verbose logging may be discarded -type NullWriter bool - -func (w NullWriter) Write(p []byte) (n int, err error) { - return len(p), nil -} - -type queueDetails struct { - name, numAvailable, numInProgress string -} - -func getInstances(conn LsPipeliner, detailsc chan bookpipeline.InstanceDetails) { - details, err := conn.GetInstanceDetails() - if err != nil { - log.Println("Error getting instance details:", err) - } - for _, d := range details { - detailsc <- d - } - close(detailsc) -} - -func getQueueDetails(conn LsPipeliner, qdetails chan queueDetails) { - queues := []struct{ name, id string }{ - {"preprocess", conn.PreQueueId()}, - {"wipeonly", conn.WipeQueueId()}, - {"ocr", conn.OCRQueueId()}, - {"analyse", conn.AnalyseQueueId()}, - } - for _, q := range queues { - avail, inprog, err := conn.GetQueueDetails(q.id) - if err != nil { - log.Println("Error getting queue details:", err) - } - var qd queueDetails - qd.name = q.name - qd.numAvailable = avail - qd.numInProgress = inprog - qdetails <- qd - } - close(qdetails) -} - -// getBookStatus returns a list of in progress and done books. -// It determines this by listing all objects, and splitting the -// prefixes into two lists, those which have a 'graph.png' file, -// which are classed as done, and those which are not. -func getBookStatus(conn LsPipeliner) (inprogress []string, done []string, err error) { - allfiles, err := conn.ListObjects(conn.WIPStorageId(), "") - if err != nil { - log.Println("Error getting list of objects:", err) - return inprogress, done, err - } - for _, f := range allfiles { - parts := strings.Split(f, "/") - if parts[1] != "graph.png" { - continue - } - prefix := parts[0] - found := false - for _, i := range done { - if i == prefix { - found = true - continue - } - } - if !found { - done = append(done, prefix) - } - } - - for _, f := range allfiles { - parts := strings.Split(f, "/") - prefix := parts[0] - found := false - for _, i := range done { - if i == prefix { - found = true - continue - } - } - for _, i := range inprogress { - if i == prefix { - found = true - continue - } - } - if !found { - inprogress = append(inprogress, prefix) - } - } - - return inprogress, done, err -} - -func getBookStatusChan(conn LsPipeliner, inprogressc chan string, donec chan string) { - inprogress, done, err := getBookStatus(conn) - if err != nil { - log.Println("Error getting book status:", err) - close(inprogressc) - close(donec) - return - } - for _, i := range inprogress { - inprogressc <- i - } - close(inprogressc) - for _, i := range done { - donec <- i - } - close(donec) -} - -func getRecentSSHLogs(ip string, id string, n int) (string, error) { - addr := fmt.Sprintf("%s@%s", "admin", ip) - logcmd := fmt.Sprintf("journalctl -n %d -u bookpipeline", n) - var cmd *exec.Cmd - if id == "" { - cmd = exec.Command("ssh", "-o", "StrictHostKeyChecking no", addr, logcmd) - } else { - cmd = exec.Command("ssh", "-o", "StrictHostKeyChecking no", "-i", id, addr, logcmd) - } - out, err := cmd.Output() - if err != nil { - return "", err - } - return string(out), nil -} - -func getRecentSSHLogsChan(ips []string, id string, lognum int, logs chan string) { - for _, ip := range ips { - sshlog, err := getRecentSSHLogs(ip, id, lognum) - if err != nil { - log.Printf("Error getting SSH logs for %s: %s\n", ip, err) - continue - } - logs <- fmt.Sprintf("%s\n%s", ip, sshlog) - } - close(logs) -} - -func main() { - keyfile := flag.String("i", "", "private key file for SSH") - lognum := flag.Int("n", 5, "number of lines to include in SSH logs") - flag.Usage = func() { - fmt.Fprintf(flag.CommandLine.Output(), usage) - flag.PrintDefaults() - } - flag.Parse() - - var verboselog *log.Logger - var n NullWriter - verboselog = log.New(n, "", 0) - - var conn LsPipeliner - conn = &bookpipeline.AwsConn{Region: "eu-west-2", Logger: verboselog} - err := conn.Init() - if err != nil { - log.Fatalln("Failed to set up cloud connection:", err) - } - - instances := make(chan bookpipeline.InstanceDetails, 100) - queues := make(chan queueDetails) - inprogress := make(chan string, 100) - done := make(chan string, 100) - logs := make(chan string, 10) - - go getInstances(conn, instances) - go getQueueDetails(conn, queues) - go getBookStatusChan(conn, inprogress, done) - - var ips []string - - fmt.Println("# Instances") - for i := range instances { - fmt.Printf("ID: %s, Type: %s, LaunchTime: %s, State: %s", i.Id, i.Type, i.LaunchTime, i.State) - if i.Name != "" { - fmt.Printf(", Name: %s", i.Name) - } - if i.Ip != "" { - fmt.Printf(", IP: %s", i.Ip) - if i.State == "running" && i.Name != "workhorse" { - ips = append(ips, i.Ip) - } - } - if i.Spot != "" { - fmt.Printf(", SpotRequest: %s", i.Spot) - } - fmt.Printf("\n") - } - - go getRecentSSHLogsChan(ips, *keyfile, *lognum, logs) - - fmt.Println("\n# Queues") - for i := range queues { - fmt.Printf("%s: %s available, %s in progress\n", i.name, i.numAvailable, i.numInProgress) - } - - fmt.Println("\n# Books not completed") - for i := range inprogress { - fmt.Println(i) - } - - fmt.Println("\n# Books done") - for i := range done { - fmt.Println(i) - } - - if len(ips) > 0 { - fmt.Println("\n# Recent logs") - for i := range logs { - fmt.Printf("\n%s", i) - } - } -} |