111 lines
2.3 KiB
Go
111 lines
2.3 KiB
Go
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/*
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Copyright (c) 2015 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package logs
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import (
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"flag"
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"fmt"
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"math"
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"golang.org/x/net/context"
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"github.com/vmware/govmomi/govc/cli"
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"github.com/vmware/govmomi/govc/flags"
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"github.com/vmware/govmomi/object"
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)
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type logs struct {
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*flags.HostSystemFlag
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Max int
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Key string
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}
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func init() {
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cli.Register("logs", &logs{})
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}
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func (cmd *logs) Register(ctx context.Context, f *flag.FlagSet) {
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cmd.HostSystemFlag, ctx = flags.NewHostSystemFlag(ctx)
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cmd.HostSystemFlag.Register(ctx, f)
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f.IntVar(&cmd.Max, "n", 25, "Output the last N logs")
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f.StringVar(&cmd.Key, "log", "", "Log file key")
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}
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func (cmd *logs) Process(ctx context.Context) error {
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if err := cmd.HostSystemFlag.Process(ctx); err != nil {
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return err
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}
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return nil
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}
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func (cmd *logs) Description() string {
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return `
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The '-log' option defaults to "hostd" when connected directly to a host or
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when connected to VirtualCenter and a '-host' option is given. Otherwise,
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the '-log' option defaults to "vpxd:vpxd.log". The '-host' option is ignored
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when connected directly to host.
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See 'govc logs.ls' for other '-log' options.`
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}
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func (cmd *logs) Run(ctx context.Context, f *flag.FlagSet) error {
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c, err := cmd.Client()
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if err != nil {
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return err
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}
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defaultKey := "hostd"
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var host *object.HostSystem
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if c.IsVC() {
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host, err = cmd.HostSystemIfSpecified()
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if err != nil {
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return err
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}
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if host == nil {
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defaultKey = "vpxd:vpxd.log"
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}
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}
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m := object.NewDiagnosticManager(c)
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key := cmd.Key
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if key == "" {
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key = defaultKey
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}
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// get LineEnd without any LineText
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h, err := m.BrowseLog(ctx, host, key, math.MaxInt32, 0)
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if err != nil {
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return err
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}
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start := h.LineEnd - cmd.Max
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h, err = m.BrowseLog(ctx, host, key, start, 0)
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if err != nil {
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return err
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}
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for _, line := range h.LineText {
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fmt.Println(line)
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}
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return nil
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}
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