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get scale from deploy.replicas. Require scale normalization

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Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>
This commit is contained in:
Nicolas De Loof 2021-09-15 09:02:48 +02:00
parent f7c360b721
commit a2947457b9
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GPG Key ID: 9858809D6F8F6E7E
6 changed files with 16 additions and 25 deletions
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9
cmd/compose/up.go
View File

@ -83,7 +83,7 @@ func (opts upOptions) apply(project *types.Project, services []string) error {
if err != nil { if err != nil {
return err return err
} }
err = setServiceScale(project, name, replicas) err = setServiceScale(project, name, uint64(replicas))
if err != nil { if err != nil {
return err return err
} }
@ -198,14 +198,17 @@ func runUp(ctx context.Context, backend api.Service, createOptions createOptions
}) })
} }
func setServiceScale(project *types.Project, name string, replicas int) error { func setServiceScale(project *types.Project, name string, replicas uint64) error {
for i, s := range project.Services { for i, s := range project.Services {
if s.Name == name { if s.Name == name {
service, err := project.GetService(name) service, err := project.GetService(name)
if err != nil { if err != nil {
return err return err
} }
service.Scale = replicas if service.Deploy == nil {
service.Deploy = &types.DeployConfig{}
}
service.Deploy.Replicas = &replicas
project.Services[i] = service project.Services[i] = service
return nil return nil
} }

2
cmd/compose/up_test.go
View File

@ -39,5 +39,5 @@ func TestApplyScaleOpt(t *testing.T) {
assert.NilError(t, err) assert.NilError(t, err)
foo, err := p.GetService("foo") foo, err := p.GetService("foo")
assert.NilError(t, err) assert.NilError(t, err)
assert.Equal(t, foo.Scale, 2) assert.Equal(t, *foo.Deploy.Replicas, uint64(2))
} }

2
go.mod
View File

@ -6,7 +6,7 @@ require (
github.com/AlecAivazis/survey/v2 v2.2.3 github.com/AlecAivazis/survey/v2 v2.2.3
github.com/buger/goterm v1.0.0 github.com/buger/goterm v1.0.0
github.com/cnabio/cnab-to-oci v0.3.1-beta1 github.com/cnabio/cnab-to-oci v0.3.1-beta1
github.com/compose-spec/compose-go v0.0.0-20210906143156-938b039f7805 github.com/compose-spec/compose-go v0.0.0-20210915092209-278f20859337
github.com/containerd/console v1.0.2 github.com/containerd/console v1.0.2
github.com/containerd/containerd v1.5.4 github.com/containerd/containerd v1.5.4
github.com/distribution/distribution/v3 v3.0.0-20210316161203-a01c71e2477e github.com/distribution/distribution/v3 v3.0.0-20210316161203-a01c71e2477e

4
go.sum
View File

@ -192,8 +192,8 @@ github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnht
github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk= github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8= github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
github.com/codahale/hdrhistogram v0.0.0-20160425231609-f8ad88b59a58/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI= github.com/codahale/hdrhistogram v0.0.0-20160425231609-f8ad88b59a58/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
github.com/compose-spec/compose-go v0.0.0-20210906143156-938b039f7805 h1:iFShT4oPik+NnXdzksa4yLvJYDDZBPMjHPN3qtJaXPA= github.com/compose-spec/compose-go v0.0.0-20210915092209-278f20859337 h1:/RP9uzPjZYk1Kv5YvcF+3S9E0oaSn5gRLLfWDIhieW8=
github.com/compose-spec/compose-go v0.0.0-20210906143156-938b039f7805/go.mod h1:Hnmn5ZCVA3sSBN2urjCZNNIyNqCPayRGH7PmMSaV2Q0= github.com/compose-spec/compose-go v0.0.0-20210915092209-278f20859337/go.mod h1:Hnmn5ZCVA3sSBN2urjCZNNIyNqCPayRGH7PmMSaV2Q0=
github.com/containerd/aufs v0.0.0-20200908144142-dab0cbea06f4/go.mod h1:nukgQABAEopAHvB6j7cnP5zJ+/3aVcE7hCYqvIwAHyE= github.com/containerd/aufs v0.0.0-20200908144142-dab0cbea06f4/go.mod h1:nukgQABAEopAHvB6j7cnP5zJ+/3aVcE7hCYqvIwAHyE=
github.com/containerd/aufs v0.0.0-20201003224125-76a6863f2989/go.mod h1:AkGGQs9NM2vtYHaUen+NljV0/baGCAPELGm2q9ZXpWU= github.com/containerd/aufs v0.0.0-20201003224125-76a6863f2989/go.mod h1:AkGGQs9NM2vtYHaUen+NljV0/baGCAPELGm2q9ZXpWU=
github.com/containerd/aufs v0.0.0-20210316121734-20793ff83c97/go.mod h1:kL5kd6KM5TzQjR79jljyi4olc1Vrx6XBlcyj3gNv2PU= github.com/containerd/aufs v0.0.0-20210316121734-20793ff83c97/go.mod h1:kL5kd6KM5TzQjR79jljyi4olc1Vrx6XBlcyj3gNv2PU=

9
pkg/compose/convergence.go
View File

@ -315,20 +315,15 @@ func nextContainerNumber(containers []moby.Container) (int, error) {
func getScale(config types.ServiceConfig) (int, error) { func getScale(config types.ServiceConfig) (int, error) {
scale := 1 scale := 1
var err error
if config.Deploy != nil && config.Deploy.Replicas != nil { if config.Deploy != nil && config.Deploy.Replicas != nil {
scale = int(*config.Deploy.Replicas) scale = int(*config.Deploy.Replicas)
} }
if config.Scale != 0 {
scale = config.Scale
}
if scale > 1 && config.ContainerName != "" { if scale > 1 && config.ContainerName != "" {
scale = -1 return 0, fmt.Errorf(doubledContainerNameWarning,
err = fmt.Errorf(doubledContainerNameWarning,
config.Name, config.Name,
config.ContainerName) config.ContainerName)
} }
return scale, err return scale, nil
} }
func (s *composeService) createContainer(ctx context.Context, project *types.Project, service types.ServiceConfig, func (s *composeService) createContainer(ctx context.Context, project *types.Project, service types.ServiceConfig,

15
pkg/compose/convergence_test.go
View File

@ -25,7 +25,6 @@ import (
) )
func TestContainerName(t *testing.T) { func TestContainerName(t *testing.T) {
var replicas uint64 = 1
s := types.ServiceConfig{ s := types.ServiceConfig{
Name: "testservicename", Name: "testservicename",
ContainerName: "testcontainername", ContainerName: "testcontainername",
@ -36,20 +35,14 @@ func TestContainerName(t *testing.T) {
assert.NilError(t, err) assert.NilError(t, err)
assert.Equal(t, ret, s.Scale) assert.Equal(t, ret, s.Scale)
s.Scale = 0 var zero uint64 // = 0
s.Deploy.Replicas = &replicas s.Deploy.Replicas = &zero
ret, err = getScale(s) ret, err = getScale(s)
assert.NilError(t, err) assert.NilError(t, err)
assert.Equal(t, ret, int(*s.Deploy.Replicas)) assert.Equal(t, ret, int(*s.Deploy.Replicas))
s.Deploy.Replicas = nil var two uint64 = 2
s.Scale = 2 s.Deploy.Replicas = &two
_, err = getScale(s)
assert.Error(t, err, fmt.Sprintf(doubledContainerNameWarning, s.Name, s.ContainerName))
replicas = 2
s.Deploy.Replicas = &replicas
s.Scale = 0
_, err = getScale(s) _, err = getScale(s)
assert.Error(t, err, fmt.Sprintf(doubledContainerNameWarning, s.Name, s.ContainerName)) assert.Error(t, err, fmt.Sprintf(doubledContainerNameWarning, s.Name, s.ContainerName))
} }