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Disable all colors in Buildpacks’s output when not in a terminal #3651

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merged 2 commits into from
Feb 6, 2020
Merged

Disable all colors in Buildpacks’s output when not in a terminal #3651

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0daba02
Disable all colors in Buildpacks’s output when not in a terminal
dgageot Feb 6, 2020
69044eb
Format
dgageot Feb 6, 2020
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2 changes: 1 addition & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -63,14 +63,14 @@ require (
github.com/gophercloud/gophercloud v0.6.0 // indirect
github.com/grpc-ecosystem/grpc-gateway v1.12.1
github.com/hashicorp/golang-lru v0.5.3 // indirect
github.com/heroku/color v0.0.6
github.com/hinshun/vt10x v0.0.0-20180809195222-d55458df857c // indirect
github.com/imdario/mergo v0.3.8
github.com/jstemmer/go-junit-report v0.9.1 // indirect
github.com/karrick/godirwalk v1.13.4
github.com/krishicks/yaml-patch v0.0.10
github.com/markbates/inflect v1.0.4 // indirect
github.com/mattbaird/jsonpatch v0.0.0-20171005235357-81af80346b1a // indirect
github.com/mattn/go-colorable v0.1.4
github.com/mitchellh/go-homedir v1.1.0
github.com/moby/buildkit v0.6.3
github.com/onsi/ginkgo v1.10.3 // indirect
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2 changes: 0 additions & 2 deletions go.sum
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Expand Up @@ -111,8 +111,6 @@ github.com/buildpacks/imgutil v0.0.0-20200127205531-eec2000815b1 h1:1+v3XHezNuXC
github.com/buildpacks/imgutil v0.0.0-20200127205531-eec2000815b1/go.mod h1:E3lXJcNXcRefJQAHW5rqboonet+jtOml4qImbJhYGAo=
github.com/buildpacks/lifecycle v0.5.1-0.20191217221752-3b74c943b7b3 h1:15zYyFmNbrtx5MmyVEKVgY2/eearqEqGJXLCjmvUo58=
github.com/buildpacks/lifecycle v0.5.1-0.20191217221752-3b74c943b7b3/go.mod h1:ZIuIs9B6tjAW4dthhltKVyEUlhRfFWWix9eqoInMGX4=
github.com/buildpacks/pack v0.8.1-0.20200128153201-c4636375b6a7 h1:fVBzTLxaLqrERBNPQuATKEr+nZskEain+OHtzQ4kb3c=
github.com/buildpacks/pack v0.8.1-0.20200128153201-c4636375b6a7/go.mod h1:7obZCatYJVAQOmYCinSsKw/lfJhf3lrx4n0Z88uxVj0=
github.com/buildpacks/pack v0.8.2-0.20200131162247-1a6e03a48c94 h1:QwGqY47lEgvCDSFNSD3EnAa7zny0AFvvCNgEX/qipCc=
github.com/buildpacks/pack v0.8.2-0.20200131162247-1a6e03a48c94/go.mod h1:hcHY0ZiDxwa6oxMPDE+gng+aJHJjUnnYfAwuonvu/Wc=
github.com/census-instrumentation/opencensus-proto v0.2.1 h1:glEXhBS5PSLLv4IXzLA5yPRVX4bilULVyxxbrfOtDAk=
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8 changes: 0 additions & 8 deletions pkg/skaffold/build/buildpacks/lifecycle.go
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Expand Up @@ -22,14 +22,12 @@ import (
"strings"

"github.com/buildpacks/pack"
"github.com/heroku/color"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"

"github.com/GoogleContainerTools/skaffold/pkg/skaffold/build/misc"
"github.com/GoogleContainerTools/skaffold/pkg/skaffold/docker"
"github.com/GoogleContainerTools/skaffold/pkg/skaffold/schema/latest"
"github.com/GoogleContainerTools/skaffold/pkg/skaffold/util"
)

// For testing
Expand Down Expand Up @@ -85,12 +83,6 @@ func (b *Builder) build(ctx context.Context, out io.Writer, a *latest.Artifact,
}

func runPackBuild(ctx context.Context, out io.Writer, localDocker docker.LocalDaemon, opts pack.BuildOptions) error {
// If out is not a terminal, let's make sure pack doesn't output with colors.
if _, isTerm := util.IsTerminal(out); !isTerm {
// pack uses heroku/color under the hood.
color.Disable(true)
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Oh, I guess a problem here is that we never re-enable color.

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Yes, the new code is more robust

}

packClient, err := pack.NewClient(
pack.WithDockerClient(localDocker.RawClient()),
pack.WithLogger(NewLogger(out)),
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22 changes: 21 additions & 1 deletion pkg/skaffold/build/buildpacks/logger.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,10 @@ import (
"io"

"github.com/buildpacks/pack/logging"
"github.com/mattn/go-colorable"
"github.com/sirupsen/logrus"

"github.com/GoogleContainerTools/skaffold/pkg/skaffold/util"
)

// logger exists to meet the requirements of the pack logger.
Expand All @@ -30,12 +33,29 @@ type logger struct {
}

func NewLogger(out io.Writer) logging.Logger {
// If out is not a terminal, let's make sure no colors are printed.
if _, isTerm := util.IsTerminal(out); !isTerm {
out = colorable.NewNonColorable(out)
}

l := logrus.New()
l.SetOutput(out)

// By default, logrus prefixes lines with 'INFO[XXX]'.
l.SetFormatter(new(plainFormatter))
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I'd appreciate a comment here as to why this formatter is required

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Added


return &logger{
Logger: logrus.StandardLogger(),
Logger: l,
out: out,
}
}

type plainFormatter struct{}

func (f *plainFormatter) Format(entry *logrus.Entry) ([]byte, error) {
return []byte(entry.Message + "\n"), nil
}

func (l *logger) Debug(msg string) {
l.Logger.Debug(msg)
}
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