github.com/vmware/govmomi@v0.51.0/cli/cluster/override/info.go (about)

     1  // © Broadcom. All Rights Reserved.
     2  // The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
     3  // SPDX-License-Identifier: Apache-2.0
     4  
     5  package override
     6  
     7  import (
     8  	"context"
     9  	"flag"
    10  	"fmt"
    11  	"io"
    12  	"strings"
    13  	"text/tabwriter"
    14  	"time"
    15  
    16  	"github.com/vmware/govmomi/cli"
    17  	"github.com/vmware/govmomi/cli/flags"
    18  	"github.com/vmware/govmomi/object"
    19  	"github.com/vmware/govmomi/vim25/types"
    20  )
    21  
    22  type info struct {
    23  	*flags.ClusterFlag
    24  }
    25  
    26  func init() {
    27  	cli.Register("cluster.override.info", &info{})
    28  }
    29  
    30  func (cmd *info) Register(ctx context.Context, f *flag.FlagSet) {
    31  	cmd.ClusterFlag, ctx = flags.NewClusterFlag(ctx)
    32  	cmd.ClusterFlag.Register(ctx, f)
    33  }
    34  
    35  func (cmd *info) Description() string {
    36  	return `Cluster VM overrides info.
    37  
    38  Examples:
    39    govc cluster.override.info
    40    govc cluster.override.info -json`
    41  }
    42  
    43  func (cmd *info) Process(ctx context.Context) error {
    44  	return cmd.ClusterFlag.Process(ctx)
    45  }
    46  
    47  type Override struct {
    48  	id            types.ManagedObjectReference
    49  	Name          string                            `json:"name"`
    50  	Host          string                            `json:"host,omitempty"`
    51  	DRS           *types.ClusterDrsVmConfigInfo     `json:"drs,omitempty"`
    52  	DAS           *types.ClusterDasVmConfigInfo     `json:"das,omitempty"`
    53  	Orchestration *types.ClusterVmOrchestrationInfo `json:"orchestration,omitempty"`
    54  }
    55  
    56  type infoResult struct {
    57  	Overrides map[string]*Override `json:"overrides"`
    58  }
    59  
    60  func (r *infoResult) Write(w io.Writer) error {
    61  	tw := tabwriter.NewWriter(w, 2, 0, 2, ' ', 0)
    62  
    63  	for _, entry := range r.Overrides {
    64  		behavior := fmt.Sprintf("Default (%s)", types.DrsBehaviorFullyAutomated)
    65  		if entry.DRS != nil {
    66  			if *entry.DRS.Enabled {
    67  				behavior = string(entry.DRS.Behavior)
    68  			}
    69  		}
    70  
    71  		priority := fmt.Sprintf("Default (%s)", types.DasVmPriorityMedium)
    72  		if entry.DAS != nil {
    73  			priority = entry.DAS.DasSettings.RestartPriority
    74  		}
    75  
    76  		ready := "Default (Resources allocated)"
    77  		additionalDelay := 0
    78  		if entry.Orchestration != nil {
    79  			r := entry.Orchestration.VmReadiness
    80  			if r.ReadyCondition != string(types.ClusterVmReadinessReadyConditionUseClusterDefault) {
    81  				ready = strings.Title(r.ReadyCondition)
    82  			}
    83  			additionalDelay = int(r.PostReadyDelay)
    84  		}
    85  
    86  		fmt.Fprintf(tw, "Name:\t%s\n", entry.Name)
    87  		fmt.Fprintf(tw, "  DRS Automation Level:\t%s\n", strings.Title(behavior))
    88  		fmt.Fprintf(tw, "  HA Restart Priority:\t%s\n", strings.Title(priority))
    89  		fmt.Fprintf(tw, "  HA Ready Condition:\t%s\n", strings.Title(ready))
    90  		fmt.Fprintf(tw, "  HA Additional Delay:\t%s\n", time.Duration(additionalDelay)*time.Second)
    91  		fmt.Fprintf(tw, "  Host:\t%s\n", entry.Host)
    92  	}
    93  
    94  	return tw.Flush()
    95  }
    96  
    97  func (r *infoResult) entry(id types.ManagedObjectReference) *Override {
    98  	key := id.String()
    99  	vm, ok := r.Overrides[key]
   100  	if !ok {
   101  		r.Overrides[key] = &Override{id: id}
   102  		vm = r.Overrides[key]
   103  	}
   104  	return vm
   105  }
   106  
   107  func (cmd *info) Run(ctx context.Context, f *flag.FlagSet) error {
   108  	cluster, err := cmd.Cluster()
   109  	if err != nil {
   110  		return err
   111  	}
   112  
   113  	config, err := cluster.Configuration(ctx)
   114  	if err != nil {
   115  		return err
   116  	}
   117  
   118  	res := &infoResult{
   119  		Overrides: make(map[string]*Override),
   120  	}
   121  
   122  	for i := range config.DasVmConfig {
   123  		vm := res.entry(config.DasVmConfig[i].Key)
   124  
   125  		vm.DAS = &config.DasVmConfig[i]
   126  	}
   127  
   128  	for i := range config.DrsVmConfig {
   129  		vm := res.entry(config.DrsVmConfig[i].Key)
   130  
   131  		vm.DRS = &config.DrsVmConfig[i]
   132  	}
   133  
   134  	for i := range config.VmOrchestration {
   135  		vm := res.entry(config.VmOrchestration[i].Vm)
   136  
   137  		vm.Orchestration = &config.VmOrchestration[i]
   138  	}
   139  
   140  	for _, o := range res.Overrides {
   141  		// TODO: can optimize to reduce round trips
   142  		vm := object.NewVirtualMachine(cluster.Client(), o.id)
   143  		o.Name, _ = vm.ObjectName(ctx)
   144  		if h, herr := vm.HostSystem(ctx); herr == nil {
   145  			o.Host, _ = h.ObjectName(ctx)
   146  		}
   147  	}
   148  
   149  	return cmd.WriteResult(res)
   150  }