squadron/internal/config/unit.go
2023-09-27 10:02:55 +02:00

113 lines
3.5 KiB
Go

package config
import (
"bytes"
"context"
"fmt"
"os"
"path"
"strings"
"github.com/foomo/squadron/internal/helm"
"github.com/foomo/squadron/internal/util"
"github.com/pkg/errors"
"github.com/pterm/pterm"
yamlv2 "gopkg.in/yaml.v2"
)
type Unit struct {
Chart helm.Dependency `yaml:"chart,omitempty"`
Tags []Tag `yaml:"tags,omitempty"`
Builds map[string]Build `yaml:"builds,omitempty"`
Values map[string]interface{} `yaml:"values,omitempty"`
}
// ------------------------------------------------------------------------------------------------
// ~ Public methods
// ------------------------------------------------------------------------------------------------
func (u *Unit) ValuesYAML(global map[string]interface{}) ([]byte, error) {
values := u.Values
if values == nil {
values = map[string]interface{}{}
}
if global != nil {
values["global"] = global
}
return yamlv2.Marshal(values)
}
func (u *Unit) Build(ctx context.Context, squadron, unit string, args []string) (string, error) {
var i int
for _, build := range u.Builds {
i++
pterm.Info.Printfln("[%d/%d] Building %s/%s", i, len(u.Builds), squadron, unit)
pterm.FgGray.Printfln("└ %s:%s", build.Image, build.Tag)
if out, err := build.Build(ctx, args); err != nil {
pterm.Error.Printfln("[%d/%d] Failed to build squadron unit %s/%s", i, len(u.Builds), squadron, unit)
pterm.FgGray.Printfln("└ %s:%s", build.Image, build.Tag)
return out, err
}
}
return "", nil
}
func (u *Unit) Push(ctx context.Context, squadron, unit string, args []string) (string, error) {
var i int
for _, build := range u.Builds {
i++
pterm.Info.Printfln("[%d/%d] Pushing %s/%s", i, len(u.Builds), squadron, unit)
pterm.FgGray.Printfln("└ %s:%s", build.Image, build.Tag)
if out, err := build.Push(ctx, args); err != nil {
pterm.Error.Printfln("[%d/%d] Failed to push %s/%s", i, len(u.Builds), squadron, unit)
pterm.FgGray.Printfln("└ %s:%s", build.Image, build.Tag)
return out, err
}
}
return "", nil
}
func (u *Unit) Template(ctx context.Context, squadron, unit, namespace string, global map[string]interface{}, helmArgs []string) ([]byte, error) {
var ret bytes.Buffer
valueBytes, err := u.ValuesYAML(global)
if err != nil {
return nil, err
}
cmd := util.NewHelmCommand().Args("template", unit).
Stdin(bytes.NewReader(valueBytes)).
Stdout(&ret).
Args("--dependency-update").
Args("--namespace", namespace).
Args("--set", fmt.Sprintf("squadron=%s", squadron)).
Args("--set", fmt.Sprintf("unit=%s", unit)).
Args("--values", "-").
Args(helmArgs...)
if strings.HasPrefix(u.Chart.Repository, "file://") {
cmd.Args(path.Clean(strings.TrimPrefix(u.Chart.Repository, "file://")))
} else {
cmd.Args(u.Chart.Name, "--repo", u.Chart.Repository, "--version", u.Chart.Version)
}
if out, err := cmd.Run(ctx); err != nil {
return nil, errors.Wrap(err, out)
}
return ret.Bytes(), nil
}
func (u *Unit) DependencyUpdate(ctx context.Context) error {
// update local chart dependencies
// https://stackoverflow.com/questions/59210148/error-found-in-chart-yaml-but-missing-in-charts-directory-mysql
if strings.HasPrefix(u.Chart.Repository, "file:///") {
pterm.Debug.Printfln("running helm dependency update for %s", u.Chart.Repository)
if out, err := util.NewHelmCommand().
Stdout(os.Stdout).
Args("dependency", "update").
Cwd(strings.TrimPrefix(u.Chart.Repository, "file://")).
Run(ctx); err != nil {
return errors.Wrap(err, out)
}
}
return nil
}