Containers/coverage.html at main · vasic-digital/Containers · GitHub

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<!DOCTYPE html>
<html>
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
		<title>compose: Go Coverage Report</title>
		<style>
			body {
				background: black;
				color: rgb(80, 80, 80);
			}
			body, pre, #legend span {
				font-family: Menlo, monospace;
				font-weight: bold;
			}
			#topbar {
				background: black;
				position: fixed;
				top: 0; left: 0; right: 0;
				height: 42px;
				border-bottom: 1px solid rgb(80, 80, 80);
			}
			#content {
				margin-top: 50px;
			}
			#nav, #legend {
				float: left;
				margin-left: 10px;
			}
			#legend {
				margin-top: 12px;
			}
			#nav {
				margin-top: 10px;
			}
			#legend span {
				margin: 0 5px;
			}
			.cov0 { color: rgb(192, 0, 0) }
.cov1 { color: rgb(128, 128, 128) }
.cov2 { color: rgb(116, 140, 131) }
.cov3 { color: rgb(104, 152, 134) }
.cov4 { color: rgb(92, 164, 137) }
.cov5 { color: rgb(80, 176, 140) }
.cov6 { color: rgb(68, 188, 143) }
.cov7 { color: rgb(56, 200, 146) }
.cov8 { color: rgb(44, 212, 149) }
.cov9 { color: rgb(32, 224, 152) }
.cov10 { color: rgb(20, 236, 155) }

		</style>
	</head>
	<body>
		<div id="topbar">
			<div id="nav">
				<select id="files">

				<option value="file0">digital.vasic.containers/pkg/compose/group.go (100.0%)</option>

				<option value="file1">digital.vasic.containers/pkg/compose/options.go (100.0%)</option>

				<option value="file2">digital.vasic.containers/pkg/compose/orchestrator.go (97.5%)</option>

				</select>
			</div>
			<div id="legend">
				<span>not tracked</span>

				<span class="cov0">no coverage</span>
				<span class="cov1">low coverage</span>
				<span class="cov2">*</span>
				<span class="cov3">*</span>
				<span class="cov4">*</span>
				<span class="cov5">*</span>
				<span class="cov6">*</span>
				<span class="cov7">*</span>
				<span class="cov8">*</span>
				<span class="cov9">*</span>
				<span class="cov10">high coverage</span>

			</div>
		</div>
		<div id="content">

		<pre class="file" id="file0" style="display: none">package compose

import "sort"

// ServiceGroupEntry describes a single service's compose context,
// used as input to GroupByCompose.
type ServiceGroupEntry struct {
        // ComposeFile is the path to the service's compose file.
        ComposeFile string
        // Profile is the optional compose profile.
        Profile string
}

// ServiceGroup aggregates services that share the same compose file and
// profile so they can be managed together in a single compose command.
type ServiceGroup struct {
        // Name is a derived name for the group (compose file + profile).
        Name string
        // ComposeFile is the shared compose file path.
        ComposeFile string
        // Profile is the shared compose profile.
        Profile string
        // Services lists the service names in this group.
        Services []string
}

// GroupByCompose takes a map of service-name to ServiceGroupEntry and
// returns a slice of ServiceGroups, one per unique compose-file+profile
// combination. Groups and services within groups are sorted for
// deterministic ordering.
func GroupByCompose(
        endpoints map[string]ServiceGroupEntry,
) []ServiceGroup <span class="cov7" title="15">{
        type groupKey struct {
                composeFile string
                profile     string
        }

        grouped := make(map[groupKey][]string)
        for svcName, entry := range endpoints </span><span class="cov10" title="52">{
                key := groupKey{
                        composeFile: entry.ComposeFile,
                        profile:     entry.Profile,
                }
                grouped[key] = append(grouped[key], svcName)
        }</span>

        <span class="cov7" title="15">groups := make([]ServiceGroup, 0, len(grouped))
        for key, services := range grouped </span><span class="cov9" title="37">{
                sort.Strings(services)

                name := key.composeFile
                if key.profile != "" </span><span class="cov6" title="13">{
                        name += ":" + key.profile
                }</span>

                <span class="cov9" title="37">groups = append(groups, ServiceGroup{
                        Name:        name,
                        ComposeFile: key.composeFile,
                        Profile:     key.profile,
                        Services:    services,
                })</span>
        }

        // Sort groups by name for deterministic output.
        <span class="cov7" title="15">sort.Slice(groups, func(i, j int) bool </span><span class="cov9" title="34">{
                return groups[i].Name &lt; groups[j].Name
        }</span>)

        <span class="cov7" title="15">return groups</span>
}
</pre>

		<pre class="file" id="file1" style="display: none">package compose

// --- Up Options ---

type upOptions struct {
        Detach         bool
        RemoveOrphans  bool
        BuildFirst     bool
        ForceRecreate  bool
        NoRecreate     bool
        Timeout        int
        Wait           bool
}

// UpOption configures compose up behavior.
type UpOption func(*upOptions)

func defaultUpOptions() *upOptions <span class="cov8" title="11">{
        return &amp;upOptions{
                Detach:         true,
                RemoveOrphans:  false,
                BuildFirst:     false,
                ForceRecreate:  false,
                NoRecreate:     false,
                Timeout:        0,
                Wait:           false,
        }
}</span>

func applyUpOptions(opts []UpOption) *upOptions <span class="cov8" title="11">{
        o := defaultUpOptions()
        for _, fn := range opts </span><span class="cov10" title="21">{
                fn(o)
        }</span>
        <span class="cov8" title="11">return o</span>
}

// WithUpDetach sets whether compose up runs in detached mode.
func WithUpDetach(detach bool) UpOption <span class="cov5" title="4">{
        return func(o *upOptions) </span><span class="cov5" title="4">{
                o.Detach = detach
        }</span>
}

// WithRemoveOrphans removes containers for services not defined in the
// compose file.
func WithRemoveOrphans(remove bool) UpOption <span class="cov4" title="3">{
        return func(o *upOptions) </span><span class="cov4" title="3">{
                o.RemoveOrphans = remove
        }</span>
}

// WithBuildFirst forces a build before starting containers.
func WithBuildFirst(build bool) UpOption <span class="cov4" title="3">{
        return func(o *upOptions) </span><span class="cov4" title="3">{
                o.BuildFirst = build
        }</span>
}

// WithForceRecreate forces recreation of containers even if their
// configuration has not changed.
func WithForceRecreate(force bool) UpOption <span class="cov4" title="3">{
        return func(o *upOptions) </span><span class="cov4" title="3">{
                o.ForceRecreate = force
        }</span>
}

// WithNoRecreate prevents recreation of existing containers.
func WithNoRecreate(noRecreate bool) UpOption <span class="cov3" title="2">{
        return func(o *upOptions) </span><span class="cov3" title="2">{
                o.NoRecreate = noRecreate
        }</span>
}

// WithUpTimeout sets the shutdown timeout in seconds.
func WithUpTimeout(seconds int) UpOption <span class="cov4" title="3">{
        return func(o *upOptions) </span><span class="cov4" title="3">{
                o.Timeout = seconds
        }</span>
}

// WithWait waits for services to be running|healthy before returning.
func WithWait(wait bool) UpOption <span class="cov4" title="3">{
        return func(o *upOptions) </span><span class="cov4" title="3">{
                o.Wait = wait
        }</span>
}

// --- Down Options ---

type downOptions struct {
        RemoveOrphans  bool
        RemoveVolumes  bool
        RemoveImages   string
        Timeout        int
}

// DownOption configures compose down behavior.
type DownOption func(*downOptions)

func defaultDownOptions() *downOptions <span class="cov7" title="8">{
        return &amp;downOptions{
                RemoveOrphans: false,
                RemoveVolumes: false,
                RemoveImages:  "",
                Timeout:       0,
        }
}</span>

func applyDownOptions(opts []DownOption) *downOptions <span class="cov7" title="8">{
        o := defaultDownOptions()
        for _, fn := range opts </span><span class="cov8" title="12">{
                fn(o)
        }</span>
        <span class="cov7" title="8">return o</span>
}

// WithDownRemoveOrphans removes containers for services not defined in
// the compose file during down.
func WithDownRemoveOrphans(remove bool) DownOption <span class="cov4" title="3">{
        return func(o *downOptions) </span><span class="cov4" title="3">{
                o.RemoveOrphans = remove
        }</span>
}

// WithDownRemoveVolumes removes named volumes declared in the compose
// file and anonymous volumes attached to containers.
func WithDownRemoveVolumes(remove bool) DownOption <span class="cov4" title="3">{
        return func(o *downOptions) </span><span class="cov4" title="3">{
                o.RemoveVolumes = remove
        }</span>
}

// WithDownRemoveImages removes images when down completes. Valid values
// are "all" and "local".
func WithDownRemoveImages(mode string) DownOption <span class="cov4" title="3">{
        return func(o *downOptions) </span><span class="cov4" title="3">{
                o.RemoveImages = mode
        }</span>
}

// WithDownTimeout sets the shutdown timeout in seconds.
func WithDownTimeout(seconds int) DownOption <span class="cov4" title="3">{
        return func(o *downOptions) </span><span class="cov4" title="3">{
                o.Timeout = seconds
        }</span>
}
</pre>

		<pre class="file" id="file2" style="display: none">package compose

import (
        "bufio"
        "bytes"
        "context"
        "fmt"
        "io"
        "os/exec"
        "strconv"
        "strings"

        "digital.vasic.containers/pkg/logging"
)

// ComposeOrchestrator defines the interface for managing services
// through Docker Compose or compatible orchestration tools.
type ComposeOrchestrator interface {
        // Up creates and starts containers for the given project.
        Up(ctx context.Context, project ComposeProject, opts ...UpOption) error
        // Down stops and removes containers for the given project.
        Down(
                ctx context.Context, project ComposeProject,
                opts ...DownOption,
        ) error
        // Status returns the current status of each service in the project.
        Status(
                ctx context.Context, project ComposeProject,
        ) ([]ServiceStatus, error)
        // Logs returns a reader streaming log output for the named service.
        Logs(
                ctx context.Context, project ComposeProject, service string,
        ) (io.ReadCloser, error)
}

// DefaultOrchestrator implements ComposeOrchestrator by shelling out to
// the detected compose command.
type DefaultOrchestrator struct {
        composeCmd  string
        composeArgs []string
        workDir     string
        logger      logging.Logger
}

// NewDefaultOrchestrator creates a DefaultOrchestrator, auto-detecting
// the available compose command. The workDir is the directory from
// which commands are executed.
func NewDefaultOrchestrator(
        workDir string, logger logging.Logger,
) (*DefaultOrchestrator, error) <span class="cov4" title="4">{
        cmd, args, err := detectComposeCmd()
        if err != nil </span><span class="cov0" title="0">{
                return nil, err
        }</span>
        <span class="cov4" title="4">if logger == nil </span><span class="cov3" title="3">{
                logger = logging.NopLogger{}
        }</span>
        <span class="cov4" title="4">return &amp;DefaultOrchestrator{
                composeCmd:  cmd,
                composeArgs: args,
                workDir:     workDir,
                logger:      logger,
        }, nil</span>
}

// NewOrchestrator creates an orchestrator with an explicit compose
// command and args (useful for testing).
func NewOrchestrator(
        composeCmd string,
        composeArgs []string,
        workDir string,
        logger logging.Logger,
) *DefaultOrchestrator <span class="cov10" title="38">{
        if logger == nil </span><span class="cov9" title="36">{
                logger = logging.NopLogger{}
        }</span>
        <span class="cov10" title="38">return &amp;DefaultOrchestrator{
                composeCmd:  composeCmd,
                composeArgs: composeArgs,
                workDir:     workDir,
                logger:      logger,
        }</span>
}

// Up creates and starts containers.
func (o *DefaultOrchestrator) Up(
        ctx context.Context,
        project ComposeProject,
        opts ...UpOption,
) error <span class="cov6" title="9">{
        cfg := applyUpOptions(opts)
        args := o.projectArgs(project)
        args = append(args, "up")

        if cfg.Detach </span><span class="cov6" title="8">{
                args = append(args, "-d")
        }</span>
        <span class="cov6" title="9">if cfg.RemoveOrphans </span><span class="cov2" title="2">{
                args = append(args, "--remove-orphans")
        }</span>
        <span class="cov6" title="9">if cfg.BuildFirst </span><span class="cov2" title="2">{
                args = append(args, "--build")
        }</span>
        <span class="cov6" title="9">if cfg.ForceRecreate </span><span class="cov2" title="2">{
                args = append(args, "--force-recreate")
        }</span>
        <span class="cov6" title="9">if cfg.NoRecreate </span><span class="cov1" title="1">{
                args = append(args, "--no-recreate")
        }</span>
        <span class="cov6" title="9">if cfg.Timeout &gt; 0 </span><span class="cov2" title="2">{
                args = append(args, "--timeout",
                        strconv.Itoa(cfg.Timeout))
        }</span>
        <span class="cov6" title="9">if cfg.Wait </span><span class="cov2" title="2">{
                args = append(args, "--wait")
        }</span>

        <span class="cov6" title="9">args = append(args, project.Services...)

        o.logger.Info("compose up: %s %s", o.composeCmd,
                strings.Join(args, " "))
        return o.run(ctx, args)</span>
}

// Down stops and removes containers.
func (o *DefaultOrchestrator) Down(
        ctx context.Context,
        project ComposeProject,
        opts ...DownOption,
) error <span class="cov5" title="6">{
        cfg := applyDownOptions(opts)
        args := o.projectArgs(project)
        args = append(args, "down")

        if cfg.RemoveOrphans </span><span class="cov2" title="2">{
                args = append(args, "--remove-orphans")
        }</span>
        <span class="cov5" title="6">if cfg.RemoveVolumes </span><span class="cov2" title="2">{
                args = append(args, "--volumes")
        }</span>
        <span class="cov5" title="6">if cfg.RemoveImages != "" </span><span class="cov2" title="2">{
                args = append(args, "--rmi", cfg.RemoveImages)
        }</span>
        <span class="cov5" title="6">if cfg.Timeout &gt; 0 </span><span class="cov2" title="2">{
                args = append(args, "--timeout",
                        strconv.Itoa(cfg.Timeout))
        }</span>

        <span class="cov5" title="6">o.logger.Info("compose down: %s %s", o.composeCmd,
                strings.Join(args, " "))
        return o.run(ctx, args)</span>
}

// Status returns the status of all services in the project by parsing
// the output of `docker compose ps`.
func (o *DefaultOrchestrator) Status(
        ctx context.Context,
        project ComposeProject,
) ([]ServiceStatus, error) <span class="cov5" title="6">{
        args := o.projectArgs(project)
        args = append(args, "ps", "--format",
                "{{.Name}}|{{.State}}|{{.Health}}|{{.Ports}}|{{.ExitCode}}")

        out, err := o.output(ctx, args)
        if err != nil </span><span class="cov2" title="2">{
                return nil, fmt.Errorf("compose ps failed: %w", err)
        }</span>

        <span class="cov4" title="4">return parseStatusOutput(out), nil</span>
}

// Logs returns a reader for the log output of the named service.
func (o *DefaultOrchestrator) Logs(
        ctx context.Context,
        project ComposeProject,
        service string,
) (io.ReadCloser, error) <span class="cov4" title="5">{
        args := o.projectArgs(project)
        args = append(args, "logs", "--no-color", service)

        allArgs := append(o.composeArgs, args...)
        cmd := exec.CommandContext(ctx, o.composeCmd, allArgs...)
        cmd.Dir = o.workDir

        stdout, err := cmd.StdoutPipe()
        if err != nil </span><span class="cov0" title="0">{
                return nil, fmt.Errorf(
                        "failed to create stdout pipe: %w", err,
                )
        }</span>

        <span class="cov4" title="5">if err := cmd.Start(); err != nil </span><span class="cov1" title="1">{
                return nil, fmt.Errorf(
                        "failed to start compose logs: %w", err,
                )
        }</span>

        <span class="cov4" title="4">return &amp;logReader{cmd: cmd, reader: stdout}, nil</span>
}

// logReader wraps a command's stdout pipe and waits for the process to
// exit on Close.
type logReader struct {
        cmd    *exec.Cmd
        reader io.ReadCloser
}

func (r *logReader) Read(p []byte) (int, error) <span class="cov6" title="8">{
        return r.reader.Read(p)
}</span>

func (r *logReader) Close() error <span class="cov5" title="6">{
        _ = r.reader.Close()
        return r.cmd.Wait()
}</span>

// projectArgs builds the common compose arguments for a project.
func (o *DefaultOrchestrator) projectArgs(
        project ComposeProject,
) []string <span class="cov9" title="30">{
        var args []string
        if project.File != "" </span><span class="cov6" title="11">{
                args = append(args, "-f", project.File)
        }</span>
        <span class="cov9" title="30">if project.Name != "" </span><span class="cov7" title="14">{
                args = append(args, "--project-name", project.Name)
        }</span>
        <span class="cov9" title="30">if project.Profile != "" </span><span class="cov5" title="6">{
                args = append(args, "--profile", project.Profile)
        }</span>
        <span class="cov9" title="30">return args</span>
}

// run executes the compose command and returns any error.
func (o *DefaultOrchestrator) run(
        ctx context.Context, args []string,
) error <span class="cov8" title="19">{
        allArgs := append(o.composeArgs, args...)
        cmd := exec.CommandContext(ctx, o.composeCmd, allArgs...)
        cmd.Dir = o.workDir

        var stderr bytes.Buffer
        cmd.Stderr = &amp;stderr

        if err := cmd.Run(); err != nil </span><span class="cov5" title="6">{
                return fmt.Errorf("%s %s failed: %w\nstderr: %s",
                        o.composeCmd, strings.Join(allArgs, " "),
                        err, stderr.String())
        }</span>
        <span class="cov7" title="13">return nil</span>
}

// output executes the compose command and returns stdout.
func (o *DefaultOrchestrator) output(
        ctx context.Context, args []string,
) (string, error) <span class="cov6" title="11">{
        allArgs := append(o.composeArgs, args...)
        cmd := exec.CommandContext(ctx, o.composeCmd, allArgs...)
        cmd.Dir = o.workDir

        var stdout, stderr bytes.Buffer
        cmd.Stdout = &amp;stdout
        cmd.Stderr = &amp;stderr

        if err := cmd.Run(); err != nil </span><span class="cov4" title="5">{
                return "", fmt.Errorf("%s %s failed: %w\nstderr: %s",
                        o.composeCmd, strings.Join(allArgs, " "),
                        err, stderr.String())
        }</span>
        <span class="cov5" title="6">return stdout.String(), nil</span>
}

// parseStatusOutput parses the pipe-delimited output from compose ps.
func parseStatusOutput(output string) []ServiceStatus <span class="cov8" title="19">{
        var statuses []ServiceStatus
        scanner := bufio.NewScanner(strings.NewReader(output))
        for scanner.Scan() </span><span class="cov8" title="23">{
                line := strings.TrimSpace(scanner.Text())
                if line == "" </span><span class="cov2" title="2">{
                        continue</span>
                }
                <span class="cov8" title="21">parts := strings.SplitN(line, "|", 5)
                if len(parts) &lt; 5 </span><span class="cov4" title="5">{
                        continue</span>
                }

                <span class="cov7" title="16">exitCode := 0
                if ec, err := strconv.Atoi(
                        strings.TrimSpace(parts[4]),
                ); err == nil </span><span class="cov7" title="15">{
                        exitCode = ec
                }</span>

                <span class="cov7" title="16">ports := parsePorts(parts[3])

                statuses = append(statuses, ServiceStatus{
                        Name:     strings.TrimSpace(parts[0]),
                        State:    strings.TrimSpace(parts[1]),
                        Health:   strings.TrimSpace(parts[2]),
                        Ports:    ports,
                        ExitCode: exitCode,
                })</span>
        }
        <span class="cov8" title="19">return statuses</span>
}

// parsePorts splits a comma-separated list of port mappings.
func parsePorts(raw string) []string <span class="cov8" title="25">{
        raw = strings.TrimSpace(raw)
        if raw == "" </span><span class="cov4" title="4">{
                return nil
        }</span>
        <span class="cov8" title="21">parts := strings.Split(raw, ",")
        result := make([]string, 0, len(parts))
        for _, p := range parts </span><span class="cov9" title="29">{
                p = strings.TrimSpace(p)
                if p != "" </span><span class="cov9" title="26">{
                        result = append(result, p)
                }</span>
        }
        <span class="cov8" title="21">return result</span>
}

// detectComposeCmd tries to find a working compose command, preferring
// Docker Compose v2 plugin, then standalone docker-compose, then
// podman-compose, then podman compose.
func detectComposeCmd() (string, []string, error) <span class="cov4" title="5">{
        candidates := []struct {
                cmd  string
                args []string
        }{
                {"docker", []string{"compose"}},
                {"docker-compose", nil},
                {"podman-compose", nil},
                {"podman", []string{"compose"}},
        }

        for _, c := range candidates </span><span class="cov7" title="15">{
                checkArgs := append(c.args, "version")
                cmd := exec.Command(c.cmd, checkArgs...)
                if err := cmd.Run(); err == nil </span><span class="cov4" title="5">{
                        return c.cmd, c.args, nil
                }</span>
        }

        <span class="cov0" title="0">return "", nil, fmt.Errorf(
                "no compose command found: tried docker compose, " +
                        "docker-compose, podman-compose, podman compose",
        )</span>
}
</pre>

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