github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/cli/cmd/bench/util.go (about)

     1  /*
     2  Copyright (C) 2022-2023 ApeCloud Co., Ltd
     3  
     4  This file is part of KubeBlocks project
     5  
     6  This program is free software: you can redistribute it and/or modify
     7  it under the terms of the GNU Affero General Public License as published by
     8  the Free Software Foundation, either version 3 of the License, or
     9  (at your option) any later version.
    10  
    11  This program is distributed in the hope that it will be useful
    12  but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  GNU Affero General Public License for more details.
    15  
    16  You should have received a copy of the GNU Affero General Public License
    17  along with this program.  If not, see <http://www.gnu.org/licenses/>.
    18  */
    19  
    20  package bench
    21  
    22  import (
    23  	"fmt"
    24  	"net"
    25  	"strconv"
    26  
    27  	corev1 "k8s.io/api/core/v1"
    28  
    29  	appsv1alpha1 "github.com/1aal/kubeblocks/apis/apps/v1alpha1"
    30  	"github.com/1aal/kubeblocks/pkg/cli/cluster"
    31  )
    32  
    33  func getDriverAndHostAndPort(c *appsv1alpha1.Cluster, svcList *corev1.ServiceList) (driver string, host string, port int, err error) {
    34  	var internalEndpoints []string
    35  	var externalEndpoints []string
    36  
    37  	if c == nil {
    38  		return "", "", 0, fmt.Errorf("cluster is nil")
    39  	}
    40  
    41  	for _, comp := range c.Spec.ComponentSpecs {
    42  		driver = comp.Name
    43  		internalEndpoints, externalEndpoints = cluster.GetComponentEndpoints(svcList, &comp)
    44  		if len(internalEndpoints) > 0 || len(externalEndpoints) > 0 {
    45  			break
    46  		}
    47  	}
    48  	switch {
    49  	case len(internalEndpoints) > 0:
    50  		host, port, err = parseHostAndPort(internalEndpoints[0])
    51  	case len(externalEndpoints) > 0:
    52  		host, port, err = parseHostAndPort(externalEndpoints[0])
    53  	default:
    54  		err = fmt.Errorf("no endpoints found")
    55  	}
    56  
    57  	return
    58  }
    59  
    60  func parseHostAndPort(s string) (string, int, error) {
    61  	host, port, err := net.SplitHostPort(s)
    62  	if err != nil {
    63  		return "", 0, err
    64  	}
    65  	portInt, err := strconv.Atoi(port)
    66  	if err != nil {
    67  		return "", 0, err
    68  	}
    69  	return host, portInt, nil
    70  }