Files
tendermint/test/e2e/pkg/infra/docker/docker.go
William Banfield b378a2b59d use --no-start
2022-12-09 16:21:26 -05:00

120 lines
3.3 KiB
Go

package docker
import (
"bytes"
"context"
"os"
"path/filepath"
"text/template"
e2e "github.com/tendermint/tendermint/test/e2e/pkg"
"github.com/tendermint/tendermint/test/e2e/pkg/exec"
"github.com/tendermint/tendermint/test/e2e/pkg/infra"
)
var _ infra.Provider = &Provider{}
// Provider implements a docker-compose backed infrastructure provider.
type Provider struct {
Testnet *e2e.Testnet
}
// Setup generates the docker-compose file and write it to disk, erroring if
// any of these operations fail.
func (p *Provider) Setup() error {
compose, err := dockerComposeBytes(p.Testnet)
if err != nil {
return err
}
//nolint: gosec
// G306: Expect WriteFile permissions to be 0600 or less
err = os.WriteFile(filepath.Join(p.Testnet.Dir, "docker-compose.yml"), compose, 0644)
if err != nil {
return err
}
return nil
}
func (p Provider) CreateNode(ctx context.Context, n *e2e.Node) error {
return ExecCompose(ctx, p.Testnet.Dir, "up", "-d", "--no-start", n.Name)
}
func (p Provider) StartTendermint(ctx context.Context, n *e2e.Node) error {
return ExecCompose(ctx, p.Testnet.Dir, "start", n.Name)
}
func (p Provider) TerminateTendermint(ctx context.Context, n *e2e.Node) error {
return ExecCompose(ctx, p.Testnet.Dir, "kill", "-s", "SIGTERM", n.Name)
}
func (p Provider) KillTendermint(ctx context.Context, n *e2e.Node) error {
return ExecCompose(ctx, p.Testnet.Dir, "kill", "-s", "SIGKILL", n.Name)
}
// dockerComposeBytes generates a Docker Compose config file for a testnet and returns the
// file as bytes to be written out to disk.
func dockerComposeBytes(testnet *e2e.Testnet) ([]byte, error) {
// Must use version 2 Docker Compose format, to support IPv6.
tmpl, err := template.New("docker-compose").Parse(`version: '2.4'
networks:
{{ .Name }}:
labels:
e2e: true
driver: bridge
{{- if .IPv6 }}
enable_ipv6: true
{{- end }}
ipam:
driver: default
config:
- subnet: {{ .IP }}
services:
{{- range .Nodes }}
{{ .Name }}:
labels:
e2e: true
container_name: {{ .Name }}
image: tendermint/e2e-node:{{ .Version }}
{{- if eq .ABCIProtocol "builtin" }}
entrypoint: /usr/bin/entrypoint-builtin
{{- end }}
init: true
ports:
- 26656
- {{ if .ProxyPort }}{{ .ProxyPort }}:{{ end }}26657
- 6060
volumes:
- ./{{ .Name }}:/tendermint
networks:
{{ $.Name }}:
ipv{{ if $.IPv6 }}6{{ else }}4{{ end}}_address: {{ .InternalIP }}
{{end}}`)
if err != nil {
return nil, err
}
var buf bytes.Buffer
err = tmpl.Execute(&buf, testnet)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// ExecCompose runs a Docker Compose command for a testnet.
func ExecCompose(ctx context.Context, dir string, args ...string) error {
return exec.Command(ctx, append(
[]string{"docker-compose", "-f", filepath.Join(dir, "docker-compose.yml")},
args...)...)
}
// ExecComposeVerbose runs a Docker Compose command for a testnet and displays its output.
func ExecComposeVerbose(ctx context.Context, dir string, args ...string) error {
return exec.CommandVerbose(ctx, append(
[]string{"docker-compose", "-f", filepath.Join(dir, "docker-compose.yml")},
args...)...)
}
// Exec runs a Docker command.
func Exec(ctx context.Context, args ...string) error {
return exec.Command(ctx, append([]string{"docker"}, args...)...)
}