Add email output truncation

ewn/notify.go

@@ -68,6 +68,10 @@ func sendEmail(msg *Message, cfg *viper.Viper) error {
 		} else {
 			messageFull = messageHeader
 			for _, v := range msg.Retries {
+				text, err := stripOutput(v.Output, 1*1024*1024, "<Output truncated>")
+				if err != nil {
+					return err
+				}
 				messageFull += fmt.Sprintf("Retry number: %d\n"+
 					"Start time: %s\n"+
 					"End time: %s\n"+
@@ -79,7 +83,8 @@ func sendEmail(msg *Message, cfg *viper.Viper) error {
 					v.EndTime,
 					v.Duration,
 					v.ExitCode,
-					v.Output)
+					text,
+				)
 			}
 		}
 		eMessage.SetBody("text/plain", messageFull)

go.mod

@@ -0,0 +1,26 @@
+module github.com/larrabee/ewn-go
+
+go 1.13
+
+require (
+	github.com/alexflint/go-arg v0.0.0-20180516182405-f7c0423bd11e
+	github.com/alexflint/go-scalar v0.0.0-20170216020425-e80c3b7ed292 // indirect
+	github.com/fsnotify/fsnotify v1.4.7 // indirect
+	github.com/go-gomail/gomail v0.0.0-20160411212932-81ebce5c23df
+	github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce // indirect
+	github.com/kr/pty v1.1.1
+	github.com/magiconair/properties v1.8.0 // indirect
+	github.com/mattn/go-isatty v0.0.3
+	github.com/mitchellh/mapstructure v0.0.0-20180511142126-bb74f1db0675 // indirect
+	github.com/pelletier/go-toml v1.1.0 // indirect
+	github.com/spf13/afero v1.1.0 // indirect
+	github.com/spf13/cast v1.2.0 // indirect
+	github.com/spf13/jwalterweatherman v0.0.0-20180109140146-7c0cea34c8ec // indirect
+	github.com/spf13/pflag v1.0.1 // indirect
+	github.com/spf13/viper v1.0.2
+	golang.org/x/sys v0.0.0-20180522224204-88eb85aaee56 // indirect
+	golang.org/x/text v0.3.0 // indirect
+	gopkg.in/Graylog2/go-gelf.v2 v2.0.0-20180326133423-4dbb9d721348
+	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
+	gopkg.in/yaml.v2 v2.2.1 // indirect
+)

go.sum

@@ -0,0 +1,41 @@
+github.com/alexflint/go-arg v0.0.0-20180516182405-f7c0423bd11e h1:dzrBxLIjiq17Da9DhY3svGRhptiUg1LUzdkOuFYjAzA=
+github.com/alexflint/go-arg v0.0.0-20180516182405-f7c0423bd11e/go.mod h1:PHxo6ZWOLVMZZgWSAqBynb/KhIqoGO6WKwOVX7rM9dg=
+github.com/alexflint/go-scalar v0.0.0-20170216020425-e80c3b7ed292 h1:0YTMOir1UPjebSvNmIrEKO9FFd+RZc1wwZHUrxfn4BI=
+github.com/alexflint/go-scalar v0.0.0-20170216020425-e80c3b7ed292/go.mod h1:dgifnFPveotJNpwJdl1hDPu5vSuqVVUPIr3isfcvgBA=
+github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/go-gomail/gomail v0.0.0-20160411212932-81ebce5c23df h1:Bao6dhmbTA1KFVxmJ6nBoMuOJit2yjEgLJpIMYpop0E=
+github.com/go-gomail/gomail v0.0.0-20160411212932-81ebce5c23df/go.mod h1:GJr+FCSXshIwgHBtLglIg9M2l2kQSi6QjVAngtzI08Y=
+github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce h1:xdsDDbiBDQTKASoGEZ+pEmF1OnWuu8AQ9I8iNbHNeno=
+github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce/go.mod h1:oZtUIOe8dh44I2q6ScRibXws4Ajl+d+nod3AaR9vL5w=
+github.com/kr/pty v1.1.1 h1:VkoXIwSboBpnk99O/KFauAEILuNHv5DVFKZMBN/gUgw=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY=
+github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/mattn/go-isatty v0.0.3 h1:ns/ykhmWi7G9O+8a448SecJU3nSMBXJfqQkl0upE1jI=
+github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mitchellh/mapstructure v0.0.0-20180511142126-bb74f1db0675 h1:/rdJjIiKG5rRdwG5yxHmSE/7ZREjpyC0kL7GxGT/qJw=
+github.com/mitchellh/mapstructure v0.0.0-20180511142126-bb74f1db0675/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
+github.com/pelletier/go-toml v1.1.0 h1:cmiOvKzEunMsAxyhXSzpL5Q1CRKpVv0KQsnAIcSEVYM=
+github.com/pelletier/go-toml v1.1.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
+github.com/spf13/afero v1.1.0 h1:bopulORc2JeYaxfHLvJa5NzxviA9PoWhpiiJkru7Ji4=
+github.com/spf13/afero v1.1.0/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
+github.com/spf13/cast v1.2.0 h1:HHl1DSRbEQN2i8tJmtS6ViPyHx35+p51amrdsiTCrkg=
+github.com/spf13/cast v1.2.0/go.mod h1:r2rcYCSwa1IExKTDiTfzaxqT2FNHs8hODu4LnUfgKEg=
+github.com/spf13/jwalterweatherman v0.0.0-20180109140146-7c0cea34c8ec h1:2ZXvIUGghLpdTVHR1UfvfrzoVlZaE/yOWC5LueIHZig=
+github.com/spf13/jwalterweatherman v0.0.0-20180109140146-7c0cea34c8ec/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
+github.com/spf13/pflag v1.0.1 h1:aCvUg6QPl3ibpQUxyLkrEkCHtPqYJL4x9AuhqVqFis4=
+github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/viper v1.0.2 h1:Ncr3ZIuJn322w2k1qmzXDnkLAdQMlJqBa9kfAH+irso=
+github.com/spf13/viper v1.0.2/go.mod h1:A8kyI5cUJhb8N+3pkfONlcEcZbueH6nhAm0Fq7SrnBM=
+golang.org/x/sys v0.0.0-20180522224204-88eb85aaee56 h1:ALdc3t+jAqSs6+pzVEioBeI8YtMICgYVFhEy6P69czc=
+golang.org/x/sys v0.0.0-20180522224204-88eb85aaee56/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+gopkg.in/Graylog2/go-gelf.v2 v2.0.0-20180326133423-4dbb9d721348 h1:7iDABQS+Bae9EV/FZLAhs9tlbntNnDXyhzvqD4ETNZQ=
+gopkg.in/Graylog2/go-gelf.v2 v2.0.0-20180326133423-4dbb9d721348/go.mod h1:CeDeqW4tj9FrgZXF/dQCWZrBdcZWWBenhJtxLH4On2g=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=