forked from vitalif/vitastor
Check for empty output of vitastor-nbd map (just in case)
parent
68553eabbb
commit
7f8f7ded52
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@ -114,7 +114,7 @@ func GetConnectionParams(params map[string]string) (map[string]string, error)
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return ctxVars, nil
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}
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func system(program string, args ...string) ([]byte, error)
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func system(program string, args ...string) ([]byte, []byte, error)
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{
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klog.Infof("Running "+program+" "+strings.Join(args, " "))
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c := exec.Command(program, args...)
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@ -125,9 +125,9 @@ func system(program string, args ...string) ([]byte, error)
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{
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stdoutStr, stderrStr := string(stdout.Bytes()), string(stderr.Bytes())
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klog.Errorf(program+" "+strings.Join(args, " ")+" failed: %s, status %s\n", stdoutStr+stderrStr, err)
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return nil, status.Error(codes.Internal, stdoutStr+stderrStr+" (status "+err.Error()+")")
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return nil, nil, status.Error(codes.Internal, stdoutStr+stderrStr+" (status "+err.Error()+")")
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}
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return stdout.Bytes(), nil
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return stdout.Bytes(), stderr.Bytes(), nil
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}
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func invokeCLI(ctxVars map[string]string, args []string) ([]byte, error)
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@ -136,7 +136,8 @@ func invokeCLI(ctxVars map[string]string, args []string) ([]byte, error)
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{
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args = append(args, "--config_path", ctxVars["configPath"])
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}
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return system("/usr/bin/vitastor-cli", args...)
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stdout, _, err := system("/usr/bin/vitastor-cli", args...)
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return stdout, err
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}
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// Create the volume
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@ -7,6 +7,7 @@ import (
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"context"
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"errors"
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"encoding/json"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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@ -154,8 +155,13 @@ func (ns *NodeServer) mapNbd(volName string, ctxVars map[string]string, readonly
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{
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args = append(args, "--readonly", "1")
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}
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dev, err := system("/usr/bin/vitastor-nbd", args...)
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return strings.TrimSpace(string(dev)), err
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stdout, stderr, err := system("/usr/bin/vitastor-nbd", args...)
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dev := strings.TrimSpace(string(stdout))
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if (dev == "")
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{
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return "", fmt.Errorf("vitastor-nbd did not return the name of NBD device. output: %s", stderr)
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}
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return dev, err
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}
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func (ns *NodeServer) unmapNbd(devicePath string)
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@ -221,7 +227,7 @@ func startStorageDaemon(vdpaId, volName, pidFile, configPath string, readonly bo
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{
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writable = "false"
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}
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_, err := system(
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_, _, err := system(
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"/usr/bin/qemu-storage-daemon", "--daemonize", "--pidfile", pidFile, "--blockdev", string(blockSpecJson),
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"--export", "vduse-blk,id="+vdpaId+",node-name=disk1,name="+vdpaId+",num-queues=16,queue-size=128,writable="+writable,
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)
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@ -246,7 +252,7 @@ func (ns *NodeServer) mapVduse(volName string, ctxVars map[string]string, readon
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if (err == nil)
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{
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// Add device to VDPA bus
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_, err = system("/sbin/vdpa", "-j", "dev", "add", "name", vdpaId, "mgmtdev", "vduse")
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_, _, err = system("/sbin/vdpa", "-j", "dev", "add", "name", vdpaId, "mgmtdev", "vduse")
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if (err == nil)
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{
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// Find block device name
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@ -278,16 +284,13 @@ func (ns *NodeServer) mapVduse(volName string, ctxVars map[string]string, readon
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}
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}
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}
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if (err != nil)
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killErr := killByPidFile(pidFile)
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if (killErr != nil)
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{
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killErr := killByPidFile(pidFile)
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if (killErr != nil)
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{
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klog.Errorf("Failed to kill started qemu-storage-daemon: %v", killErr)
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}
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os.Remove(stateFile)
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os.Remove(pidFile)
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klog.Errorf("Failed to kill started qemu-storage-daemon: %v", killErr)
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}
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os.Remove(stateFile)
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os.Remove(pidFile)
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}
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return "", "", err
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}
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@ -333,7 +336,7 @@ func (ns *NodeServer) unmapVduseById(vdpaId string)
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}
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else
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{
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_, _ = system("/sbin/vdpa", "-j", "dev", "del", vdpaId)
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_, _, _ = system("/sbin/vdpa", "-j", "dev", "del", vdpaId)
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}
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stateFile := ns.stateDir + vdpaId + ".json"
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os.Remove(stateFile)
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@ -373,7 +376,7 @@ func (ns *NodeServer) restoreVduseDaemons()
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}
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devList := make(map[string]interface{})
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// example output: {"dev":{"test1":{"type":"block","mgmtdev":"vduse","vendor_id":0,"max_vqs":16,"max_vq_size":128}}}
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devListJSON, err := system("/sbin/vdpa", "-j", "dev", "list")
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devListJSON, _, err := system("/sbin/vdpa", "-j", "dev", "list")
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if (err != nil)
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{
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return
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