forked from wallix/awless
/
alarm.go
214 lines (189 loc) · 9.21 KB
/
alarm.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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/* Copyright 2017 WALLIX
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
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 awsspec
import (
"errors"
"fmt"
"github.com/wallix/awless/cloud"
"github.com/wallix/awless/template/env"
"github.com/wallix/awless/template/params"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/cloudwatch"
"github.com/aws/aws-sdk-go/service/cloudwatch/cloudwatchiface"
"github.com/wallix/awless/logger"
)
type CreateAlarm struct {
_ string `action:"create" entity:"alarm" awsAPI:"cloudwatch" awsCall:"PutMetricAlarm" awsInput:"cloudwatch.PutMetricAlarmInput" awsOutput:"cloudwatch.PutMetricAlarmOutput"`
logger *logger.Logger
graph cloud.GraphAPI
api cloudwatchiface.CloudWatchAPI
Name *string `awsName:"AlarmName" awsType:"awsstr" templateName:"name"`
Operator *string `awsName:"ComparisonOperator" awsType:"awsstr" templateName:"operator"`
Metric *string `awsName:"MetricName" awsType:"awsstr" templateName:"metric"`
Namespace *string `awsName:"Namespace" awsType:"awsstr" templateName:"namespace"`
EvaluationPeriods *int64 `awsName:"EvaluationPeriods" awsType:"awsint64" templateName:"evaluation-periods"`
Period *int64 `awsName:"Period" awsType:"awsint64" templateName:"period"`
StatisticFunction *string `awsName:"Statistic" awsType:"awsstr" templateName:"statistic-function"`
Threshold *float64 `awsName:"Threshold" awsType:"awsfloat" templateName:"threshold"`
Enabled *bool `awsName:"ActionsEnabled" awsType:"awsbool" templateName:"enabled"`
AlarmActions []*string `awsName:"AlarmActions" awsType:"awsstringslice" templateName:"alarm-actions"`
InsufficientdataActions []*string `awsName:"InsufficientDataActions" awsType:"awsstringslice" templateName:"insufficientdata-actions"`
OkActions []*string `awsName:"OKActions" awsType:"awsstringslice" templateName:"ok-actions"`
Description *string `awsName:"AlarmDescription" awsType:"awsstr" templateName:"description"`
Dimensions []*string `awsName:"Dimensions" awsType:"awsdimensionslice" templateName:"dimensions"`
Unit *string `awsName:"Unit" awsType:"awsstr" templateName:"unit"`
}
func (cmd *CreateAlarm) ParamsSpec() params.Spec {
return params.NewSpec(
params.AllOf(params.Key("evaluation-periods"), params.Key("metric"), params.Key("name"), params.Key("namespace"), params.Key("operator"), params.Key("period"), params.Key("statistic-function"), params.Key("threshold"),
params.Opt("alarm-actions", "description", "dimensions", "enabled", "insufficientdata-actions", "ok-actions", "unit"),
),
params.Validators{
"operator": params.IsInEnumIgnoreCase("GreaterThanThreshold", "LessThanThreshold", "LessThanOrEqualToThreshold", "GreaterThanOrEqualToThreshold"),
})
}
func (cmd *CreateAlarm) ExtractResult(i interface{}) string {
return StringValue(cmd.Name)
}
type DeleteAlarm struct {
_ string `action:"delete" entity:"alarm" awsAPI:"cloudwatch" awsCall:"DeleteAlarms" awsInput:"cloudwatch.DeleteAlarmsInput" awsOutput:"cloudwatch.DeleteAlarmsOutput"`
logger *logger.Logger
graph cloud.GraphAPI
api cloudwatchiface.CloudWatchAPI
Name []*string `awsName:"AlarmNames" awsType:"awsstringslice" templateName:"name"`
}
func (cmd *DeleteAlarm) ParamsSpec() params.Spec {
return params.NewSpec(params.AllOf(params.Key("name")))
}
type StartAlarm struct {
_ string `action:"start" entity:"alarm" awsAPI:"cloudwatch" awsCall:"EnableAlarmActions" awsInput:"cloudwatch.EnableAlarmActionsInput" awsOutput:"cloudwatch.EnableAlarmActionsOutput"`
logger *logger.Logger
graph cloud.GraphAPI
api cloudwatchiface.CloudWatchAPI
Names []*string `awsName:"AlarmNames" awsType:"awsstringslice" templateName:"names"`
}
func (cmd *StartAlarm) ParamsSpec() params.Spec {
return params.NewSpec(params.AllOf(params.Key("names")))
}
type StopAlarm struct {
_ string `action:"stop" entity:"alarm" awsAPI:"cloudwatch" awsCall:"DisableAlarmActions" awsInput:"cloudwatch.DisableAlarmActionsInput" awsOutput:"cloudwatch.DisableAlarmActionsOutput"`
logger *logger.Logger
graph cloud.GraphAPI
api cloudwatchiface.CloudWatchAPI
Names []*string `awsName:"AlarmNames" awsType:"awsstringslice" templateName:"names"`
}
func (cmd *StopAlarm) ParamsSpec() params.Spec {
return params.NewSpec(params.AllOf(params.Key("names")))
}
type AttachAlarm struct {
_ string `action:"attach" entity:"alarm" awsAPI:"cloudwatch"`
logger *logger.Logger
graph cloud.GraphAPI
api cloudwatchiface.CloudWatchAPI
Name *string `templateName:"name"`
ActionArn *string `templateName:"action-arn"`
}
func (cmd *AttachAlarm) ParamsSpec() params.Spec {
return params.NewSpec(params.AllOf(params.Key("action-arn"), params.Key("name")))
}
func (cmd *AttachAlarm) ManualRun(renv env.Running) (interface{}, error) {
alarm, err := getAlarm(cmd.api, cmd.Name)
if err != nil {
return nil, err
}
alarm.AlarmActions = append(alarm.AlarmActions, cmd.ActionArn)
return cmd.api.PutMetricAlarm(&cloudwatch.PutMetricAlarmInput{
ActionsEnabled: alarm.ActionsEnabled,
AlarmActions: alarm.AlarmActions,
AlarmDescription: alarm.AlarmDescription,
AlarmName: alarm.AlarmName,
ComparisonOperator: alarm.ComparisonOperator,
Dimensions: alarm.Dimensions,
EvaluateLowSampleCountPercentile: alarm.EvaluateLowSampleCountPercentile,
EvaluationPeriods: alarm.EvaluationPeriods,
ExtendedStatistic: alarm.ExtendedStatistic,
InsufficientDataActions: alarm.InsufficientDataActions,
MetricName: alarm.MetricName,
Namespace: alarm.Namespace,
OKActions: alarm.OKActions,
Period: alarm.Period,
Statistic: alarm.Statistic,
Threshold: alarm.Threshold,
TreatMissingData: alarm.TreatMissingData,
Unit: alarm.Unit,
})
}
type DetachAlarm struct {
_ string `action:"detach" entity:"alarm" awsAPI:"cloudwatch"`
logger *logger.Logger
graph cloud.GraphAPI
api cloudwatchiface.CloudWatchAPI
Name *string `templateName:"name"`
ActionArn *string `templateName:"action-arn"`
}
func (cmd *DetachAlarm) ParamsSpec() params.Spec {
return params.NewSpec(params.AllOf(params.Key("action-arn"), params.Key("name")))
}
func (cmd *DetachAlarm) ManualRun(renv env.Running) (interface{}, error) {
alarm, err := getAlarm(cmd.api, cmd.Name)
if err != nil {
return nil, err
}
actionArn := aws.StringValue(cmd.ActionArn)
var found bool
var updatedActions []*string
for _, action := range alarm.AlarmActions {
if aws.StringValue(action) == actionArn {
found = true
} else {
updatedActions = append(updatedActions, action)
}
}
if !found {
return nil, fmt.Errorf("detach alarm: action '%s' is not attached to alarm actions of alarm %s", actionArn, aws.StringValue(alarm.AlarmName))
}
return cmd.api.PutMetricAlarm(&cloudwatch.PutMetricAlarmInput{
ActionsEnabled: alarm.ActionsEnabled,
AlarmActions: updatedActions,
AlarmDescription: alarm.AlarmDescription,
AlarmName: alarm.AlarmName,
ComparisonOperator: alarm.ComparisonOperator,
Dimensions: alarm.Dimensions,
EvaluateLowSampleCountPercentile: alarm.EvaluateLowSampleCountPercentile,
EvaluationPeriods: alarm.EvaluationPeriods,
ExtendedStatistic: alarm.ExtendedStatistic,
InsufficientDataActions: alarm.InsufficientDataActions,
MetricName: alarm.MetricName,
Namespace: alarm.Namespace,
OKActions: alarm.OKActions,
Period: alarm.Period,
Statistic: alarm.Statistic,
Threshold: alarm.Threshold,
TreatMissingData: alarm.TreatMissingData,
Unit: alarm.Unit,
})
}
func getAlarm(api cloudwatchiface.CloudWatchAPI, name *string) (*cloudwatch.MetricAlarm, error) {
if name == nil {
return nil, errors.New("missing required params 'name'")
}
out, err := api.DescribeAlarms(&cloudwatch.DescribeAlarmsInput{AlarmNames: []*string{name}})
if err != nil {
return nil, err
}
if l := len(out.MetricAlarms); l == 0 {
return nil, fmt.Errorf("alarm '%s' not found", StringValue(name))
} else if l > 1 {
return nil, fmt.Errorf("%d alarms found with name '%s'", l, StringValue(name))
}
return out.MetricAlarms[0], nil
}