DockerCLI/cli/command/stack/formatter/formatter.go

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package formatter
import (
"strconv"
"github.com/docker/cli/cli/command/formatter"
)
const (
// KubernetesStackTableFormat is the default Kubernetes stack format
KubernetesStackTableFormat formatter.Format = "table {{.Name}}\t{{.Services}}\t{{.Orchestrator}}\t{{.Namespace}}"
// SwarmStackTableFormat is the default Swarm stack format
SwarmStackTableFormat formatter.Format = "table {{.Name}}\t{{.Services}}\t{{.Orchestrator}}"
stackServicesHeader = "SERVICES"
stackOrchestrastorHeader = "ORCHESTRATOR"
stackNamespaceHeader = "NAMESPACE"
// TableFormatKey is an alias for formatter.TableFormatKey
TableFormatKey = formatter.TableFormatKey
)
// Context is an alias for formatter.Context
type Context = formatter.Context
// Format is an alias for formatter.Format
type Format = formatter.Format
// Stack contains deployed stack information.
type Stack struct {
// Name is the name of the stack
Name string
// Services is the number of the services
Services int
// Orchestrator is the platform where the stack is deployed
Orchestrator string
// Namespace is the Kubernetes namespace assigned to the stack
Namespace string
}
// StackWrite writes formatted stacks using the Context
func StackWrite(ctx formatter.Context, stacks []*Stack) error {
render := func(format func(subContext formatter.SubContext) error) error {
for _, stack := range stacks {
if err := format(&stackContext{s: stack}); err != nil {
return err
}
}
return nil
}
return ctx.Write(newStackContext(), render)
}
type stackContext struct {
formatter.HeaderContext
s *Stack
}
func newStackContext() *stackContext {
stackCtx := stackContext{}
stackCtx.Header = formatter.SubHeaderContext{
"Name": formatter.NameHeader,
"Services": stackServicesHeader,
"Orchestrator": stackOrchestrastorHeader,
"Namespace": stackNamespaceHeader,
}
return &stackCtx
}
func (s *stackContext) MarshalJSON() ([]byte, error) {
return formatter.MarshalJSON(s)
}
func (s *stackContext) Name() string {
return s.s.Name
}
func (s *stackContext) Services() string {
return strconv.Itoa(s.s.Services)
}
func (s *stackContext) Orchestrator() string {
return s.s.Orchestrator
}
func (s *stackContext) Namespace() string {
return s.s.Namespace
}