forked from aws/amazon-ssm-agent
-
-
Notifications
You must be signed in to change notification settings - Fork 0
/
configurepackage_execute.go
190 lines (167 loc) · 7.29 KB
/
configurepackage_execute.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
// Copyright 2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may not
// use this file except in compliance with the License. A copy of the
// License is located at
//
// http://aws.amazon.com/apache2.0/
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License.
// Package configurepackage implements the ConfigurePackage plugin.
package configurepackage
import (
"fmt"
"github.com/aws/amazon-ssm-agent/agent/context"
"github.com/aws/amazon-ssm-agent/agent/contracts"
"github.com/aws/amazon-ssm-agent/agent/plugins/configurepackage/installer"
"github.com/aws/amazon-ssm-agent/agent/plugins/configurepackage/localpackages"
"github.com/aws/amazon-ssm-agent/agent/plugins/configurepackage/trace"
)
// TODO: consider passing in the timeout and cancel channels - does cancel trigger rollback?
// executeConfigurePackage performs install and uninstall actions, with rollback support and recovery after reboots
func executeConfigurePackage(
tracer trace.Tracer,
context context.T,
repository localpackages.Repository,
inst installer.Installer,
uninst installer.Installer,
initialInstallState localpackages.InstallState,
output contracts.PluginOutputter) {
trace := tracer.BeginSection(fmt.Sprintf("execute configure - state: %s", initialInstallState))
defer trace.End()
switch initialInstallState {
case localpackages.Installing:
// This could be picking up an install after reboot or an upgrade that rebooted during install (after a successful uninstall)
executeInstall(tracer, context, repository, inst, uninst, false, output)
case localpackages.RollbackInstall:
executeInstall(tracer, context, repository, uninst, inst, true, output)
case localpackages.RollbackUninstall:
executeUninstall(tracer, context, repository, uninst, inst, true, output)
default:
if uninst != nil {
executeUninstall(tracer, context, repository, inst, uninst, false, output)
} else {
executeInstall(tracer, context, repository, inst, uninst, false, output)
}
}
}
// set package install state and log any error
func setNewInstallState(tracer trace.Tracer, repository localpackages.Repository, inst installer.Installer, newInstallState localpackages.InstallState) {
trace := tracer.BeginSection(fmt.Sprintf("set install state install %s/%s - state: %s", inst.PackageName(), inst.Version(), newInstallState))
if err := repository.SetInstallState(tracer, inst.PackageName(), inst.Version(), newInstallState); err != nil {
trace.WithError(err)
}
trace.End()
}
// executeInstall performs install and validation of a package
func executeInstall(
tracer trace.Tracer,
context context.T,
repository localpackages.Repository,
inst installer.Installer,
uninst installer.Installer,
isRollback bool,
output contracts.PluginOutputter) {
installtrace := tracer.BeginSection(fmt.Sprintf("install %s/%s - rollback: %t", inst.PackageName(), inst.Version(), isRollback))
defer installtrace.End()
if isRollback {
setNewInstallState(tracer, repository, inst, localpackages.RollbackInstall)
} else {
setNewInstallState(tracer, repository, inst, localpackages.Installing)
}
result := inst.Install(tracer, context)
installtrace.WithExitcode(int64(result.GetExitCode()))
if result.GetStatus() == contracts.ResultStatusSuccess {
validatetrace := tracer.BeginSection(fmt.Sprintf("validate %s/%s - rollback: %t", inst.PackageName(), inst.Version(), isRollback))
result = inst.Validate(tracer, context)
validatetrace.WithExitcode(int64(result.GetExitCode()))
}
if result.GetStatus().IsReboot() {
tracer.BeginSection(fmt.Sprintf("Rebooting to finish installation of %v %v - rollback: %t", inst.PackageName(), inst.Version(), isRollback))
output.MarkAsSuccessWithReboot()
return
}
if !result.GetStatus().IsSuccess() {
installtrace.AppendErrorf("Failed to install package; install status %v", result.GetStatus())
if isRollback || uninst == nil {
output.MarkAsFailed(nil, nil)
// TODO: Remove from repository if this isn't the last successfully installed version? Run uninstall to clean up?
setNewInstallState(tracer, repository, inst, localpackages.Failed)
return
}
// Execute rollback
executeUninstall(tracer, context, repository, uninst, inst, true, output)
return
}
if uninst != nil {
cleanupAfterUninstall(tracer, repository, uninst, output)
}
if isRollback {
installtrace.AppendInfof("Failed to install %v %v, successfully rolled back to %v %v", uninst.PackageName(), uninst.Version(), inst.PackageName(), inst.Version())
setNewInstallState(tracer, repository, inst, localpackages.Installed)
output.MarkAsFailed(nil, nil)
return
}
installtrace.AppendInfof("Successfully installed %v %v", inst.PackageName(), inst.Version())
setNewInstallState(tracer, repository, inst, localpackages.Installed)
output.MarkAsSucceeded()
return
}
// executeUninstall performs uninstall of a package
func executeUninstall(
tracer trace.Tracer,
context context.T,
repository localpackages.Repository,
inst installer.Installer,
uninst installer.Installer,
isRollback bool,
output contracts.PluginOutputter) {
installtrace := tracer.BeginSection(fmt.Sprintf("uninstall %s/%s - rollback: %t", uninst.PackageName(), uninst.Version(), isRollback))
defer installtrace.End()
if isRollback {
setNewInstallState(tracer, repository, uninst, localpackages.RollbackUninstall)
} else {
if inst != nil {
setNewInstallState(tracer, repository, uninst, localpackages.Upgrading)
} else {
setNewInstallState(tracer, repository, uninst, localpackages.Uninstalling)
}
}
result := uninst.Uninstall(tracer, context)
installtrace.WithExitcode(int64(result.GetExitCode()))
if !result.GetStatus().IsSuccess() {
installtrace.AppendErrorf("Failed to uninstall version %v of package; uninstall status %v", uninst.Version(), result.GetStatus())
if inst != nil {
executeInstall(tracer, context, repository, inst, uninst, isRollback, output)
return
}
setNewInstallState(tracer, repository, uninst, localpackages.Failed)
output.MarkAsFailed(nil, nil)
return
}
if result.GetStatus().IsReboot() {
tracer.BeginSection(fmt.Sprintf("Rebooting to finish uninstall of %v %v - rollback: %t", uninst.PackageName(), uninst.Version(), isRollback))
output.MarkAsSuccessWithReboot()
return
}
installtrace.AppendInfof("Successfully uninstalled %v %v", uninst.PackageName(), uninst.Version())
if inst != nil {
executeInstall(tracer, context, repository, inst, uninst, isRollback, output)
return
}
cleanupAfterUninstall(tracer, repository, uninst, output)
setNewInstallState(tracer, repository, uninst, localpackages.None)
output.MarkAsSucceeded()
}
// cleanupAfterUninstall removes packages that are no longer needed in the repository
func cleanupAfterUninstall(tracer trace.Tracer, repository localpackages.Repository, uninst installer.Installer, output contracts.PluginOutputter) {
trace := tracer.BeginSection(fmt.Sprintf("cleanup %s/%s", uninst.PackageName(), uninst.Version()))
if err := repository.RemovePackage(tracer, uninst.PackageName(), uninst.Version()); err != nil {
trace.WithError(err)
}
trace.End()
}