Files
ThothII/tools/thothctl/internal/pi/commands.go
T

121 lines
4.0 KiB
Go

package pi
import (
"context"
"crypto/sha256"
"encoding/json"
"errors"
"fmt"
"io"
"strings"
"github.com/aritmolab/thothii/tools/thothctl/internal/compose"
)
// Runner is the narrow, shell-free command boundary shared with thothctl.
type Runner interface {
Run(context.Context, []string, io.Reader) (compose.Result, error)
}
// Status reports the image-bundled Pi version without using a host Pi executable.
func Status(ctx context.Context, runner Runner) (string, error) {
result, err := runCompose(ctx, runner, "exec", "-T", "core", "pi", "--version")
if err != nil {
return "", commandError("Pi version check", result, err)
}
version := strings.TrimSpace(result.Stdout)
if version == "" {
return "", errors.New("Pi version check returned no version")
}
return version, nil
}
// Doctor verifies the installation-side invariants Pi needs before an update.
func Doctor(ctx context.Context, runner Runner) error {
if _, err := renderedCore(ctx, runner); err != nil {
return err
}
if _, err := Status(ctx, runner); err != nil {
return err
}
for _, check := range [][]string{
{"exec", "-T", "core", "sh", "-ceu", "test -w /home/thoth/.pi"},
{"exec", "-T", "core", "sh", "-ceu", "test -r /home/thoth/.pi/agent/auth.json"},
{"exec", "-T", "core", "curl", "-fsS", "http://127.0.0.1:8787/health"},
} {
result, err := runCompose(ctx, runner, check...)
if err != nil {
return commandError("Pi preflight check", result, err)
}
}
return nil
}
// Test performs the pre-Task-8 composite smoke through core's private loopback endpoint.
func Test(ctx context.Context, runner Runner) error {
if _, err := Status(ctx, runner); err != nil {
return err
}
for _, path := range []string{"health", "models", "settings"} {
result, err := runCompose(ctx, runner, "exec", "-T", "core", "curl", "-fsS", "http://127.0.0.1:8787/"+path)
if err != nil {
return commandError("Pi smoke check", result, err)
}
var payload any
if err := json.Unmarshal([]byte(result.Stdout), &payload); err != nil {
return fmt.Errorf("Pi smoke check returned invalid %s response", path)
}
if _, ok := payload.(map[string]any); !ok {
return fmt.Errorf("Pi smoke check returned invalid %s response", path)
}
}
return nil
}
func renderedCore(ctx context.Context, runner Runner) (Image, error) {
result, err := runCompose(ctx, runner, "config", "--format", "json")
if err != nil {
return Image{}, commandError("Compose configuration check", result, err)
}
var document struct {
Services map[string]struct {
Image string `json:"image"`
Environment map[string]any `json:"environment"`
} `json:"services"`
}
if err := json.Unmarshal([]byte(result.Stdout), &document); err != nil {
return Image{}, errors.New("Compose returned invalid rendered configuration")
}
core, exists := document.Services["core"]
if !exists || core.Image == "" {
return Image{}, errors.New("rendered Compose configuration has no core image")
}
endpoint, exists := core.Environment["THT_LLM_URL"].(string)
if !exists || strings.TrimSpace(endpoint) == "" {
return Image{}, errors.New("THT_LLM_URL must be configured before Pi lifecycle operations")
}
digest := sha256.Sum256([]byte(result.Stdout))
return Image{Reference: core.Image, ConfigurationSHA: fmt.Sprintf("%x", digest[:])}, nil
}
func runCompose(ctx context.Context, runner Runner, args ...string) (compose.Result, error) {
return runner.Run(ctx, append([]string{"compose"}, args...), nil)
}
func commandError(label string, result compose.Result, err error) error {
if result.ExitCode != 0 {
return commandFailure{message: fmt.Sprintf("%s failed (exit %d)", label, result.ExitCode), exitCode: result.ExitCode}
}
return commandFailure{message: fmt.Sprintf("%s failed", label)}
}
type commandFailure struct {
message string
exitCode int
}
func (e commandFailure) Error() string { return e.message }
// ExitCode exposes a Docker child exit code without exposing its output.
func (e commandFailure) ExitCode() int { return e.exitCode }