init commit for coverting to podman

engine/compiler/clone.go

@@ -7,8 +7,8 @@ package compiler
 import (
 	"strconv"
 
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 	"github.com/drone/runner-go/manifest"
 	"github.com/drone/runner-go/pipeline/runtime"
 )

engine/compiler/clone_test.go

@@ -8,8 +8,8 @@ import (
 	"testing"
 
 	"github.com/dchest/uniuri"
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 	"github.com/drone/drone-go/drone"
 	"github.com/drone/runner-go/environ/provider"
 	"github.com/drone/runner-go/manifest"

engine/compiler/compiler.go

@@ -9,9 +9,9 @@ import (
 	"os"
 	"strings"
 
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
-	"github.com/drone-runners/drone-runner-docker/internal/docker/image"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/internal/podman/image"
 
 	"github.com/drone/drone-go/drone"
 	"github.com/drone/runner-go/clone"
@@ -37,7 +37,7 @@ var random = func() string {
 // with privileged capabilities in order to run Docker
 // in Docker.
 var Privileged = []string{
-	"plugins/docker",
+	"plugins/podman",
 	"plugins/acr",
 	"plugins/ecr",
 	"plugins/gcr",
@@ -230,7 +230,7 @@ func (c *Compiler) Compile(ctx context.Context, args runtime.CompilerArgs) runti
 	)
 
 	// create network reference variables
-	envs["DRONE_DOCKER_NETWORK_ID"] = spec.Network.ID
+	envs["DRONE_PODMAN_NETWORK_ID"] = spec.Network.ID
 
 	// create the workspace variables
 	envs["DRONE_WORKSPACE"] = full
@@ -239,9 +239,9 @@ func (c *Compiler) Compile(ctx context.Context, args runtime.CompilerArgs) runti
 
 	// create volume reference variables
 	if volume.EmptyDir != nil {
-		envs["DRONE_DOCKER_VOLUME_ID"] = volume.EmptyDir.ID
+		envs["DRONE_PODMAN_VOLUME_ID"] = volume.EmptyDir.ID
 	} else {
-		envs["DRONE_DOCKER_VOLUME_PATH"] = volume.HostPath.Path
+		envs["DRONE_PODMAN_VOLUME_PATH"] = volume.HostPath.Path
 	}
 
 	// create tmate variables
@@ -359,7 +359,7 @@ func (c *Compiler) Compile(ctx context.Context, args runtime.CompilerArgs) runti
 			Labels:     stageLabels,
 			Pull:       engine.PullIfNotExists,
 			Image:      image.Expand(c.Tmate.Image),
-			Entrypoint: []string{"/bin/drone-runner-docker"},
+			Entrypoint: []string{"/bin/drone-runner-podman"},
 			Command:    []string{"copy"},
 			Network:    "none",
 		})
@@ -531,7 +531,7 @@ func (c *Compiler) Compile(ctx context.Context, args runtime.CompilerArgs) runti
 // feature toggle that disables the check that restricts
 // docker plugins from mounting volumes.
 // DO NOT USE: THIS WILL BE DEPRECATED IN THE FUTURE
-var allowDockerPluginVolumes = os.Getenv("DRONE_FLAG_ALLOW_DOCKER_PLUGIN_VOLUMES") == "true"
+var allowPodmanPluginVolumes = os.Getenv("DRONE_FLAG_ALLOW_PODMAN_PLUGIN_VOLUMES") == "true"
 
 func (c *Compiler) isPrivileged(step *resource.Step) bool {
 	// privileged-by-default containers are only
@@ -547,7 +547,7 @@ func (c *Compiler) isPrivileged(step *resource.Step) bool {
 		return false
 	}
 
-	if allowDockerPluginVolumes == false {
+	if allowPodmanPluginVolumes == false {
 		if len(step.Volumes) > 0 {
 			return false
 		}

engine/compiler/compiler_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by the Polyform License
 // that can be found in the LICENSE file.
 
+//go:build !windows
 // +build !windows
 
 package compiler
@@ -9,14 +10,13 @@ package compiler
 import (
 	"context"
 	"encoding/json"
-	"io/ioutil"
 	"os"
 	"strconv"
 	"testing"
 
 	"github.com/dchest/uniuri"
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 	"github.com/drone/drone-go/drone"
 	"github.com/drone/runner-go/environ/provider"
 	"github.com/drone/runner-go/manifest"
@@ -280,7 +280,7 @@ func testCompile(t *testing.T, source, golden string) *engine.Spec {
 
 	got := compiler.Compile(nocontext, args)
 
-	raw, err := ioutil.ReadFile(golden)
+	raw, err := os.ReadFile(golden)
 	if err != nil {
 		t.Error(err)
 	}
@@ -320,13 +320,13 @@ func TestIsPrivileged(t *testing.T) {
 		t.Errorf("Disable privileged mode if commands are specified")
 	}
 	if c.isPrivileged(&resource.Step{Image: "foo", Command: []string{"echo hello", "echo world"}}) {
-		t.Errorf("Disable privileged mode if the Docker command is specified")
+		t.Errorf("Disable privileged mode if the Podman command is specified")
 	}
 	if c.isPrivileged(&resource.Step{Image: "foo", Entrypoint: []string{"/bin/sh"}}) {
-		t.Errorf("Disable privileged mode if the Docker entrypoint is specified")
+		t.Errorf("Disable privileged mode if the Podman entrypoint is specified")
 	}
-	if c.isPrivileged(&resource.Step{Image: "foo", Volumes: []*resource.VolumeMount{{MountPath: "/var/run/docker.sock"}}}) {
-		t.Errorf("Disable privileged mode if /var/run/docker.sock mounted")
+	if c.isPrivileged(&resource.Step{Image: "foo", Volumes: []*resource.VolumeMount{{MountPath: "/var/run/podman.sock"}}}) {
+		t.Errorf("Disable privileged mode if /var/run/podman.sock mounted")
 	}
 	if c.isPrivileged(&resource.Step{Image: "foo", Volumes: []*resource.VolumeMount{{MountPath: "/var"}}}) {
 		t.Errorf("Disable privileged mode if /var mounted")

engine/compiler/script.go

@@ -5,10 +5,10 @@
 package compiler
 
 import (
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/compiler/shell"
-	"github.com/drone-runners/drone-runner-docker/engine/compiler/shell/powershell"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/compiler/shell"
+	"github.com/drone-runners/drone-runner-podman/engine/compiler/shell/powershell"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 )
 
 // helper function configures the pipeline script for the

engine/compiler/step.go

@@ -7,10 +7,10 @@ package compiler
 import (
 	"strings"
 
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
-	"github.com/drone-runners/drone-runner-docker/internal/docker/image"
-	"github.com/drone-runners/drone-runner-docker/internal/encoder"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/internal/encoder"
+	"github.com/drone-runners/drone-runner-podman/internal/podman/image"
 
 	"github.com/drone/runner-go/pipeline/runtime"
 )

engine/compiler/testdata/graph.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 steps:

engine/compiler/testdata/match.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/compiler/testdata/noclone_graph.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:
@@ -15,4 +15,4 @@ steps:
   image: golang
   commands:
   - go test
-  depends_on: [ build ]
+  depends_on: [ build ]

engine/compiler/testdata/noclone_serial.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/compiler/testdata/run_always.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/compiler/testdata/run_failure.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/compiler/testdata/secret.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/compiler/testdata/serial.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 steps:

engine/compiler/testdata/steps.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/compiler/util.go

@@ -7,8 +7,8 @@ package compiler
 import (
 	"strings"
 
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 
 	"github.com/drone/drone-go/drone"
 	"github.com/drone/runner-go/manifest"

engine/compiler/util_test.go

@@ -7,8 +7,8 @@ package compiler
 import (
 	"testing"
 
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 
 	"github.com/drone/runner-go/manifest"
 

engine/compiler/workspace.go

@@ -8,8 +8,8 @@ import (
 	stdpath "path"
 	"strings"
 
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 )
 
 const (

engine/compiler/workspace_test.go

@@ -7,8 +7,8 @@ package compiler
 import (
 	"testing"
 
-	"github.com/drone-runners/drone-runner-docker/engine"
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 	"github.com/drone/runner-go/manifest"
 )
 

engine/convert.go

@@ -5,114 +5,117 @@
 package engine
 
 import (
+	"io/fs"
+	"net"
 	"strings"
 
-	"github.com/docker/docker/api/types/container"
+	"github.com/containers/common/libnetwork/types"
+	"github.com/containers/podman/v4/pkg/specgen"
 	"github.com/docker/docker/api/types/mount"
-	"github.com/docker/docker/api/types/network"
+	"github.com/opencontainers/runtime-spec/specs-go"
+	"github.com/sirupsen/logrus"
 )
 
-// returns a container configuration.
-func toConfig(spec *Spec, step *Step) *container.Config {
-	config := &container.Config{
-		Image:        step.Image,
+func toSpec(spec *Spec, step *Step) *specgen.SpecGenerator {
+	basic := specgen.ContainerBasicConfig{
+		Name:         step.ID,
+		RawImageName: step.Image,
 		Labels:       step.Labels,
-		WorkingDir:   step.WorkingDir,
-		User:         step.User,
-		AttachStdin:  false,
-		AttachStdout: true,
-		AttachStderr: true,
-		Tty:          false,
-		OpenStdin:    false,
-		StdinOnce:    false,
-		ArgsEscaped:  false,
+		Env:          step.Envs,
+		Entrypoint:   step.Entrypoint,
+		Command:      step.Command,
+		Stdin:        false,
+		Terminal:     false,
 	}
 
-	if len(step.Envs) != 0 {
-		config.Env = toEnv(step.Envs)
-	}
 	for _, sec := range step.Secrets {
-		config.Env = append(config.Env, sec.Env+"="+string(sec.Data))
+		basic.EnvSecrets[sec.Env] = string(sec.Data)
 	}
 
-	if len(step.Entrypoint) != 0 {
-		config.Entrypoint = step.Entrypoint
+	volume := specgen.ContainerStorageConfig{
+		Image:   step.Image,
+		WorkDir: step.WorkingDir,
+		ShmSize: toPtr(step.ShmSize),
 	}
-	if len(step.Command) != 0 {
-		config.Cmd = step.Command
+
+	volumeSet := toVolumeSet(spec, step)
+	for path := range volumeSet {
+		volume.Volumes = append(volume.Volumes, &specgen.NamedVolume{
+			Dest: path,
+		})
 	}
+
 	if len(step.Volumes) != 0 {
-		config.Volumes = toVolumeSet(spec, step)
+		volume.Devices = toLinuxDeviceSlice(spec, step)
+		volume.Mounts = toLinuxVolumeMounts(spec, step)
 	}
-	return config
-}
 
-// returns a container host configuration.
-func toHostConfig(spec *Spec, step *Step) *container.HostConfig {
-	config := &container.HostConfig{
-		LogConfig: container.LogConfig{
-			Type: "json-file",
-		},
+	security := specgen.ContainerSecurityConfig{
+		User:       step.User,
 		Privileged: step.Privileged,
-		ShmSize:    step.ShmSize,
 	}
-	// windows does not support privileged so we hard-code
-	// this value to false.
+
+	// windows does not support privileged so we hard-code this value to false.
+	// podman doesn't even support windows so this would be a problem
+	// if we reach here
 	if spec.Platform.OS == "windows" {
-		config.Privileged = false
+		security.Privileged = false
 	}
+
+	var dns []net.IP
+	for i := range step.DNS {
+		ip, _, err := net.ParseCIDR(step.DNS[i])
+		if err != nil {
+			logrus.Warnf("failed to parse dns [ip=%s] [error=%s]", step.DNS[i], err.Error())
+			continue
+		}
+		dns = append(dns, ip)
+	}
+
+	net := specgen.ContainerNetworkConfig{
+		DNSServers: dns,
+		DNSSearch:  step.DNSSearch,
+		HostAdd:    step.ExtraHosts,
+	}
+
 	if len(step.Network) > 0 {
-		config.NetworkMode = container.NetworkMode(step.Network)
-	}
-	if len(step.DNS) > 0 {
-		config.DNS = step.DNS
-	}
-	if len(step.DNSSearch) > 0 {
-		config.DNSSearch = step.DNSSearch
-	}
-	if len(step.ExtraHosts) > 0 {
-		config.ExtraHosts = step.ExtraHosts
+		net.Networks = make(map[string]types.PerNetworkOptions)
+		net.Networks[step.Network] = types.PerNetworkOptions{}
 	}
+
+	resource := specgen.ContainerResourceConfig{}
 	if isUnlimited(step) == false {
-		config.Resources = container.Resources{
-			CPUPeriod:  step.CPUPeriod,
-			CPUQuota:   step.CPUQuota,
-			CpusetCpus: strings.Join(step.CPUSet, ","),
-			CPUShares:  step.CPUShares,
-			Memory:     step.MemLimit,
-			MemorySwap: step.MemSwapLimit,
+		resource = specgen.ContainerResourceConfig{
+			CPUPeriod: uint64(step.CPUPeriod),
+			CPUQuota:  step.CPUQuota,
+			ResourceLimits: &specs.LinuxResources{
+				CPU: &specs.LinuxCPU{
+					Cpus:   strings.Join(step.CPUSet, ","),
+					Shares: toPtr(uint64(step.CPUShares)),
+				},
+				Memory: &specs.LinuxMemory{
+					Limit: &step.MemLimit,
+					Swap:  &step.MemSwapLimit,
+				},
+			},
 		}
 	}
 
-	if len(step.Volumes) != 0 {
-		config.Devices = toDeviceSlice(spec, step)
-		config.Binds = toVolumeSlice(spec, step)
-		config.Mounts = toVolumeMounts(spec, step)
+	config := &specgen.SpecGenerator{
+		ContainerBasicConfig:    basic,
+		ContainerStorageConfig:  volume,
+		ContainerSecurityConfig: security,
+		ContainerNetworkConfig:  net,
+		ContainerResourceConfig: resource,
 	}
-	return config
-}
 
-// helper function returns the container network configuration.
-func toNetConfig(spec *Spec, proc *Step) *network.NetworkingConfig {
-	// if the user overrides the default network we do not
-	// attach to the user-defined network.
-	if proc.Network != "" {
-		return &network.NetworkingConfig{}
-	}
-	endpoints := map[string]*network.EndpointSettings{}
-	endpoints[spec.Network.ID] = &network.EndpointSettings{
-		NetworkID: spec.Network.ID,
-		Aliases:   []string{proc.Name},
-	}
-	return &network.NetworkingConfig{
-		EndpointsConfig: endpoints,
-	}
+	return config
 }
 
 // helper function that converts a slice of device paths to a slice of
 // container.DeviceMapping.
-func toDeviceSlice(spec *Spec, step *Step) []container.DeviceMapping {
-	var to []container.DeviceMapping
+func toLinuxDeviceSlice(spec *Spec, step *Step) []specs.LinuxDevice {
+	var to []specs.LinuxDevice
 	for _, mount := range step.Devices {
 		device, ok := lookupVolume(spec, mount.Name)
 		if !ok {
@@ -121,10 +124,13 @@ func toDeviceSlice(spec *Spec, step *Step) []container.DeviceMapping {
 		if isDevice(device) == false {
 			continue
 		}
-		to = append(to, container.DeviceMapping{
-			PathOnHost:        device.HostPath.Path,
-			PathInContainer:   mount.DevicePath,
-			CgroupPermissions: "rwm",
+		to = append(to, specs.LinuxDevice{
+			// NOTE: there only host path... weird
+			Path: device.HostPath.Path,
+
+			// PathOnHost:      device.HostPath.Path,
+			// PathInContainer: mount.DevicePath,
+			FileMode: toPtr(fs.ModePerm),
 		})
 	}
 	if len(to) == 0 {
@@ -184,8 +190,8 @@ func toVolumeSlice(spec *Spec, step *Step) []string {
 
 // helper function returns a slice of docker mount
 // configurations.
-func toVolumeMounts(spec *Spec, step *Step) []mount.Mount {
-	var mounts []mount.Mount
+func toLinuxVolumeMounts(spec *Spec, step *Step) []specs.Mount {
+	var mounts []specs.Mount
 	for _, target := range step.Volumes {
 		source, ok := lookupVolume(spec, target.Name)
 		if !ok {
@@ -203,7 +209,7 @@ func toVolumeMounts(spec *Spec, step *Step) []mount.Mount {
 		if isDataVolume(source) {
 			continue
 		}
-		mounts = append(mounts, toMount(source, target))
+		mounts = append(mounts, toLinuxMount(source, target))
 	}
 	if len(mounts) == 0 {
 		return nil
@@ -213,21 +219,30 @@ func toVolumeMounts(spec *Spec, step *Step) []mount.Mount {
 
 // helper function converts the volume declaration to a
 // docker mount structure.
-func toMount(source *Volume, target *VolumeMount) mount.Mount {
-	to := mount.Mount{
-		Target: target.Path,
-		Type:   toVolumeType(source),
+func toLinuxMount(source *Volume, target *VolumeMount) specs.Mount {
+	to := specs.Mount{
+		Destination: target.Path,
+		Type:        string(toVolumeType(source)),
 	}
 	if isBindMount(source) || isNamedPipe(source) {
 		to.Source = source.HostPath.Path
-		to.ReadOnly = source.HostPath.ReadOnly
-	}
-	if isTempfs(source) {
-		to.TmpfsOptions = &mount.TmpfsOptions{
-			SizeBytes: source.EmptyDir.SizeLimit,
-			Mode:      0700,
+		if source.HostPath.ReadOnly {
+			// options defaults = rw, suid, dev, exec, auto, nouser, and async
+			to.Options = append(to.Options, "ro")
 		}
+		// to.ReadOnly = source.HostPath.ReadOnly
 	}
+
+	if isTempfs(source) {
+		// NOTE: not sure if this is translatable
+		//  probably part of resource struct
+
+		// to.TmpfsOptions = &mount.TmpfsOptions{
+		// 	SizeBytes: source.EmptyDir.SizeLimit,
+		// 	Mode:      0700,
+		// }
+	}
+
 	return to
 }
 

engine/engine.go

@@ -5,64 +5,57 @@
 package engine
 
 import (
+	"bytes"
 	"context"
 	"io"
-	"io/ioutil"
 	"os"
 	"time"
 
-	"github.com/drone-runners/drone-runner-docker/internal/docker/errors"
-	"github.com/drone-runners/drone-runner-docker/internal/docker/image"
-	"github.com/drone-runners/drone-runner-docker/internal/docker/jsonmessage"
-	"github.com/drone-runners/drone-runner-docker/internal/docker/stdcopy"
+	"github.com/drone-runners/drone-runner-podman/internal/podman/errors"
+	"github.com/drone-runners/drone-runner-podman/internal/podman/image"
+	"github.com/drone-runners/drone-runner-podman/internal/podman/jsonmessage"
+	"github.com/drone-runners/drone-runner-podman/internal/podman/stdcopy"
 	"github.com/drone/runner-go/logger"
 	"github.com/drone/runner-go/pipeline/runtime"
-	"github.com/drone/runner-go/registry/auths"
 
-	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/api/types/container"
-	"github.com/docker/docker/api/types/network"
-	"github.com/docker/docker/api/types/volume"
-	"github.com/docker/docker/client"
-	"github.com/docker/docker/errdefs"
+	"github.com/containers/common/libnetwork/types"
+	"github.com/containers/podman/v4/pkg/bindings"
+	"github.com/containers/podman/v4/pkg/bindings/containers"
+	"github.com/containers/podman/v4/pkg/bindings/images"
+	"github.com/containers/podman/v4/pkg/bindings/network"
+	"github.com/containers/podman/v4/pkg/bindings/volumes"
+	"github.com/containers/podman/v4/pkg/domain/entities"
 )
 
+// TODO: figure out what to do about this global
+const UNIX_SOCK string = "unix:///run/podman/podman.sock"
+
 // Opts configures the Docker engine.
 type Opts struct {
 	HidePull bool
 }
 
-// Docker implements a Docker pipeline engine.
-type Docker struct {
-	client   client.APIClient
+// Podman implements a Podman pipeline engine.
+type Podman struct {
 	hidePull bool
+	conn     context.Context
 }
 
 // New returns a new engine.
-func New(client client.APIClient, opts Opts) *Docker {
-	return &Docker{
-		client:   client,
+func New(conn context.Context, opts Opts) *Podman {
+	return &Podman{
 		hidePull: opts.HidePull,
 	}
 }
 
 // NewEnv returns a new Engine from the environment.
-func NewEnv(opts Opts) (*Docker, error) {
-	cli, err := client.NewClientWithOpts(client.FromEnv)
-	if err != nil {
-		return nil, err
-	}
-	return New(cli, opts), nil
-}
-
-// Ping pings the Docker daemon.
-func (e *Docker) Ping(ctx context.Context) error {
-	_, err := e.client.Ping(ctx)
-	return err
+func NewEnv(ctx context.Context, opts Opts) (*Podman, error) {
+	conn, err := bindings.NewConnection(ctx, UNIX_SOCK)
+	return New(conn, opts), err
 }
 
 // Setup the pipeline environment.
-func (e *Docker) Setup(ctx context.Context, specv runtime.Spec) error {
+func (e *Podman) Setup(ctx context.Context, specv runtime.Spec) error {
 	spec := specv.(*Spec)
 
 	// creates the default temporary (local) volumes
@@ -71,11 +64,16 @@ func (e *Docker) Setup(ctx context.Context, specv runtime.Spec) error {
 		if vol.EmptyDir == nil {
 			continue
 		}
-		_, err := e.client.VolumeCreate(ctx, volume.VolumeCreateBody{
-			Name:   vol.EmptyDir.ID,
-			Driver: "local",
-			Labels: vol.EmptyDir.Labels,
-		})
+
+		_, err := volumes.Create(
+			e.conn,
+			entities.VolumeCreateOptions{
+				Name:   vol.EmptyDir.ID,
+				Driver: "local",
+				Label:  vol.EmptyDir.Labels,
+			},
+			&volumes.CreateOptions{},
+		)
 		if err != nil {
 			return errors.TrimExtraInfo(err)
 		}
@@ -87,7 +85,9 @@ func (e *Docker) Setup(ctx context.Context, specv runtime.Spec) error {
 	if spec.Platform.OS == "windows" {
 		driver = "nat"
 	}
-	_, err := e.client.NetworkCreate(ctx, spec.Network.ID, types.NetworkCreate{
+
+	_, err := network.Create(e.conn, &types.Network{
+		ID:      spec.Network.ID,
 		Driver:  driver,
 		Options: spec.Network.Options,
 		Labels:  spec.Network.Labels,
@@ -95,7 +95,7 @@ func (e *Docker) Setup(ctx context.Context, specv runtime.Spec) error {
 
 	// launches the inernal setup steps
 	for _, step := range spec.Internal {
-		if err := e.create(ctx, spec, step, ioutil.Discard); err != nil {
+		if err := e.create(ctx, spec, step, io.Discard); err != nil {
 			logger.FromContext(ctx).
 				WithError(err).
 				WithField("container", step.ID).
@@ -126,18 +126,19 @@ func (e *Docker) Setup(ctx context.Context, specv runtime.Spec) error {
 }
 
 // Destroy the pipeline environment.
-func (e *Docker) Destroy(ctx context.Context, specv runtime.Spec) error {
+func (e *Podman) Destroy(ctx context.Context, specv runtime.Spec) error {
 	spec := specv.(*Spec)
 
-	removeOpts := types.ContainerRemoveOptions{
-		Force:         true,
-		RemoveLinks:   false,
-		RemoveVolumes: true,
+	removeOpts := containers.RemoveOptions{
+		Force:   toPtr(true),
+		Volumes: toPtr(true),
+		Depend:  toPtr(true), // maybe?
+		Ignore:  toPtr(true),
 	}
 
 	// stop all containers
 	for _, step := range append(spec.Steps, spec.Internal...) {
-		if err := e.client.ContainerKill(ctx, step.ID, "9"); err != nil && !client.IsErrNotFound(err) && !errdefs.IsConflict(err) {
+		if err := containers.Kill(ctx, step.ID, &containers.KillOptions{Signal: toPtr("9")}); err != nil {
 			logger.FromContext(ctx).
 				WithError(err).
 				WithField("container", step.ID).
@@ -147,7 +148,7 @@ func (e *Docker) Destroy(ctx context.Context, specv runtime.Spec) error {
 
 	// cleanup all containers
 	for _, step := range append(spec.Steps, spec.Internal...) {
-		if err := e.client.ContainerRemove(ctx, step.ID, removeOpts); err != nil && !client.IsErrNotFound(err) {
+		if _, err := containers.Remove(e.conn, step.ID, &removeOpts); err != nil {
 			logger.FromContext(ctx).
 				WithError(err).
 				WithField("container", step.ID).
@@ -165,7 +166,8 @@ func (e *Docker) Destroy(ctx context.Context, specv runtime.Spec) error {
 		if vol.EmptyDir.Medium == "memory" {
 			continue
 		}
-		if err := e.client.VolumeRemove(ctx, vol.EmptyDir.ID, true); err != nil {
+
+		if err := volumes.Remove(e.conn, vol.EmptyDir.ID, &volumes.RemoveOptions{Force: toPtr(true)}); err != nil {
 			logger.FromContext(ctx).
 				WithError(err).
 				WithField("volume", vol.EmptyDir.ID).
@@ -173,8 +175,7 @@ func (e *Docker) Destroy(ctx context.Context, specv runtime.Spec) error {
 		}
 	}
 
-	// cleanup the network
-	if err := e.client.NetworkRemove(ctx, spec.Network.ID); err != nil {
+	if _, err := network.Remove(e.conn, spec.Network.ID, &network.RemoveOptions{}); err != nil {
 		logger.FromContext(ctx).
 			WithError(err).
 			WithField("network", spec.Network.ID).
@@ -189,7 +190,7 @@ func (e *Docker) Destroy(ctx context.Context, specv runtime.Spec) error {
 }
 
 // Run runs the pipeline step.
-func (e *Docker) Run(ctx context.Context, specv runtime.Spec, stepv runtime.Step, output io.Writer) (*runtime.State, error) {
+func (e *Podman) Run(ctx context.Context, specv runtime.Spec, stepv runtime.Step, output io.Writer) (*runtime.State, error) {
 	spec := specv.(*Spec)
 	step := stepv.(*Step)
 
@@ -209,7 +210,7 @@ func (e *Docker) Run(ctx context.Context, specv runtime.Spec, stepv runtime.Step
 		// tail the container
 		logger.FromContext(ctx).
 			WithField("step id", step.ID).
-			Debugln("using deferred docker tail")
+			Debugln("using deferred podman tail")
 		logs, tailErr := e.deferTail(ctx, step.ID, output)
 		if tailErr != nil {
 			return nil, errors.TrimExtraInfo(tailErr)
@@ -229,64 +230,52 @@ func (e *Docker) Run(ctx context.Context, specv runtime.Spec, stepv runtime.Step
 // emulate docker commands
 //
 
-func (e *Docker) create(ctx context.Context, spec *Spec, step *Step, output io.Writer) error {
+func (e *Podman) create(ctx context.Context, spec *Spec, step *Step, output io.Writer) error {
 	// create pull options with encoded authorization credentials.
-	pullopts := types.ImagePullOptions{}
+	pullopts := images.PullOptions{}
 	if step.Auth != nil {
-		pullopts.RegistryAuth = auths.Header(
-			step.Auth.Username,
-			step.Auth.Password,
-		)
+		pullopts.Username = &step.Auth.Username
+		pullopts.Password = &step.Auth.Password
 	}
 
+	// Read(p []byte) (n int, err error)
 	// automatically pull the latest version of the image if requested
 	// by the process configuration, or if the image is :latest
 	if step.Pull == PullAlways ||
 		(step.Pull == PullDefault && image.IsLatest(step.Image)) {
-		rc, pullerr := e.client.ImagePull(ctx, step.Image, pullopts)
+		rc, pullerr := images.Pull(e.conn, step.Image, &pullopts)
 		if pullerr == nil {
+			b := bytes.NewBuffer(flattenToBytes(rc))
 			if e.hidePull {
-				io.Copy(ioutil.Discard, rc)
-			} else {
-				jsonmessage.Copy(rc, output)
+				io.Copy(io.Discard, b)
 			}
-			rc.Close()
+
+			jsonmessage.Copy(b, output)
 		}
 		if pullerr != nil {
 			return pullerr
 		}
 	}
 
-	_, err := e.client.ContainerCreate(ctx,
-		toConfig(spec, step),
-		toHostConfig(spec, step),
-		toNetConfig(spec, step),
-		step.ID,
-	)
+	_, err := containers.CreateWithSpec(e.conn, toSpec(spec, step), &containers.CreateOptions{})
 
 	// automatically pull and try to re-create the image if the
 	// failure is caused because the image does not exist.
-	if client.IsErrNotFound(err) && step.Pull != PullNever {
-		rc, pullerr := e.client.ImagePull(ctx, step.Image, pullopts)
+	if step.Pull != PullNever {
+		rc, pullerr := images.Pull(e.conn, step.Image, &pullopts)
 		if pullerr != nil {
 			return pullerr
 		}
 
+		b := bytes.NewBuffer(flattenToBytes(rc))
 		if e.hidePull {
-			io.Copy(ioutil.Discard, rc)
-		} else {
-			jsonmessage.Copy(rc, output)
+			io.Copy(io.Discard, b)
 		}
-		rc.Close()
+		jsonmessage.Copy(b, output)
 
 		// once the image is successfully pulled we attempt to
 		// re-create the container.
-		_, err = e.client.ContainerCreate(ctx,
-			toConfig(spec, step),
-			toHostConfig(spec, step),
-			toNetConfig(spec, step),
-			step.ID,
-		)
+		_, err = containers.CreateWithSpec(e.conn, toSpec(spec, step), &containers.CreateOptions{})
 	}
 	if err != nil {
 		return err
@@ -296,7 +285,7 @@ func (e *Docker) create(ctx context.Context, spec *Spec, step *Step, output io.W
 	// primarily used to attach global user-defined networks.
 	if step.Network == "" {
 		for _, net := range step.Networks {
-			err = e.client.NetworkConnect(ctx, net, step.ID, &network.EndpointSettings{
+			err = network.Connect(e.conn, net, step.ID, &types.PerNetworkOptions{
 				Aliases: []string{net},
 			})
 			if err != nil {
@@ -309,13 +298,13 @@ func (e *Docker) create(ctx context.Context, spec *Spec, step *Step, output io.W
 }
 
 // helper function emulates the `docker start` command.
-func (e *Docker) start(ctx context.Context, id string) error {
-	return e.client.ContainerStart(ctx, id, types.ContainerStartOptions{})
+func (e *Podman) start(ctx context.Context, id string) error {
+	return containers.Start(e.conn, id, &containers.StartOptions{})
 }
 
 // helper function emulates the `docker wait` command, blocking
 // until the container stops and returning the exit code.
-func (e *Docker) waitRetry(ctx context.Context, id string) (*runtime.State, error) {
+func (e *Podman) waitRetry(ctx context.Context, id string) (*runtime.State, error) {
 	for {
 		// if the context is canceled, meaning the
 		// pipeline timed out or was killed by the
@@ -332,42 +321,42 @@ func (e *Docker) waitRetry(ctx context.Context, id string) (*runtime.State, erro
 		}
 		logger.FromContext(ctx).
 			WithField("container", id).
-			Trace("docker wait exited unexpectedly")
+			Trace("podman wait exited unexpectedly")
 	}
 }
 
 // helper function emulates the `docker wait` command, blocking
 // until the container stops and returning the exit code.
-func (e *Docker) wait(ctx context.Context, id string) (*runtime.State, error) {
-	wait, errc := e.client.ContainerWait(ctx, id, container.WaitConditionNotRunning)
-	select {
-	case <-wait:
-	case <-errc:
-	}
+func (e *Podman) wait(ctx context.Context, id string) (*runtime.State, error) {
+	containers.Wait(ctx, id, &containers.WaitOptions{
+		Conditions: []string{"created", "exited", "dead", "removing", "removed"},
+	})
 
-	info, err := e.client.ContainerInspect(ctx, id)
+	info, err := containers.Inspect(ctx, id, &containers.InspectOptions{})
 	if err != nil {
 		return nil, err
 	}
 
 	return &runtime.State{
 		Exited:    !info.State.Running,
-		ExitCode:  info.State.ExitCode,
+		ExitCode:  int(info.State.ExitCode),
 		OOMKilled: info.State.OOMKilled,
 	}, nil
 }
 
 // helper function emulates the `docker logs -f` command, streaming all container logs until the container stops.
-func (e *Docker) deferTail(ctx context.Context, id string, output io.Writer) (logs io.ReadCloser, err error) {
-	opts := types.ContainerLogsOptions{
-		Follow:     true,
-		ShowStdout: true,
-		ShowStderr: true,
-		Details:    false,
-		Timestamps: false,
+func (e *Podman) deferTail(ctx context.Context, id string, output io.Writer) (logs io.ReadCloser, err error) {
+	opts := containers.LogOptions{
+		Follow:     toPtr(true),
+		Stdout:     toPtr(true),
+		Stderr:     toPtr(true),
+		Timestamps: toPtr(false),
 	}
 
-	logs, err = e.client.ContainerLogs(ctx, id, opts)
+	out := make(chan string, 100)
+	error := make(chan string, 100)
+
+	err = containers.Logs(ctx, id, &opts, out, error)
 	if err != nil {
 		logger.FromContext(ctx).
 			WithError(err).
@@ -382,23 +371,25 @@ func (e *Docker) deferTail(ctx context.Context, id string, output io.Writer) (lo
 }
 
 // helper function emulates the `docker logs -f` command, streaming all container logs until the container stops.
-func (e *Docker) tail(ctx context.Context, id string, output io.Writer) error {
-	opts := types.ContainerLogsOptions{
-		Follow:     true,
-		ShowStdout: true,
-		ShowStderr: true,
-		Details:    false,
-		Timestamps: false,
+func (e *Podman) tail(ctx context.Context, id string, output io.Writer) error {
+	opts := containers.LogOptions{
+		Follow:     toPtr(true),
+		Stdout:     toPtr(true),
+		Stderr:     toPtr(true),
+		Timestamps: toPtr(false),
 	}
 
-	logs, err := e.client.ContainerLogs(ctx, id, opts)
+	out := make(chan string, 100)
+	error := make(chan string, 100)
+
+	err := containers.Logs(ctx, id, &opts, out, error)
 	if err != nil {
 		return err
 	}
 
-	go func() {
-		stdcopy.StdCopy(output, output, logs)
-		logs.Close()
-	}()
+	// go func() {
+	// 	stdcopy.StdCopy(output, output, logs)
+	// 	logs.Close()
+	// }()
 	return nil
 }

engine/linter/linter.go

@@ -10,7 +10,7 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 	"github.com/drone/drone-go/drone"
 	"github.com/drone/runner-go/manifest"
 )
@@ -130,7 +130,7 @@ func checkStep(step *resource.Step, trusted bool) error {
 	}
 	for _, mount := range step.Volumes {
 		switch mount.Name {
-		case "workspace", "_workspace", "_docker_socket":
+		case "workspace", "_workspace", "_podman_socket":
 			return fmt.Errorf("linter: invalid volume name: %s", mount.Name)
 		}
 		if strings.HasPrefix(filepath.Clean(mount.MountPath), "/run/drone") {
@@ -157,7 +157,7 @@ func checkVolumes(pipeline *resource.Pipeline, trusted bool) error {
 		switch volume.Name {
 		case "":
 			return fmt.Errorf("linter: missing volume name")
-		case "workspace", "_workspace", "_docker_socket":
+		case "workspace", "_workspace", "_podman_socket":
 			return fmt.Errorf("linter: invalid volume name: %s", volume.Name)
 		}
 	}

engine/linter/linter_test.go

@@ -8,7 +8,7 @@ import (
 	"path"
 	"testing"
 
-	"github.com/drone-runners/drone-runner-docker/engine/resource"
+	"github.com/drone-runners/drone-runner-podman/engine/resource"
 	"github.com/drone/drone-go/drone"
 	"github.com/drone/runner-go/manifest"
 )
@@ -47,7 +47,7 @@ func TestLint(t *testing.T) {
 			path:    "testdata/pipeline_volume_invalid_name.yml",
 			trusted: false,
 			invalid: true,
-			message: "linter: invalid volume name: _docker_socket",
+			message: "linter: invalid volume name: _podman_socket",
 		},
 		// user should not be trying to mount internal or restricted
 		// volume paths.

engine/linter/testdata/duplicate_name.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman 
 name: default
 
 steps:
@@ -21,4 +21,4 @@ steps:
   - go build
   - go test
 
-...
+...

engine/linter/testdata/duplicate_step.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 steps:
@@ -14,4 +14,4 @@ steps:
   image: golang
   commands:
   - go build
-  - go test
+  - go test

engine/linter/testdata/duplicate_step_service.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 steps:

engine/linter/testdata/invalid_arch.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 platform:

engine/linter/testdata/invalid_os.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 platform:

engine/linter/testdata/missing_build_image.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman 
 name: linux
 
 steps:

engine/linter/testdata/missing_dep.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 steps:
@@ -15,4 +15,4 @@ steps:
   - go build
   - go test
   depends_on:
-  - foo
+  - foo

engine/linter/testdata/missing_image.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman 
 name: linux
 
 steps:

engine/linter/testdata/missing_name.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/pipeline_device.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/pipeline_dns.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/pipeline_dns_search.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/pipeline_extra_hosts.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/pipeline_network_mode.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/pipeline_port_host.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/pipeline_privileged.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/pipeline_volume_invalid_name.yml

@@ -1,14 +1,14 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:
 - name: test
-  image: docker
+  image: podman
   volumes:
-  - name: _docker_socket
-    path: /var/run/docker.sock
+  - name: _podman_socket
+    path: /run/podman/podman.sock
   commands:
-  - docker system prune
+  - podman system prune
 

engine/linter/testdata/service_device.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/service_port_host.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/simple.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: amd64
 
 steps:
@@ -36,4 +36,4 @@ steps:
 
 depends_on:
 - amd64
-...
+...

engine/linter/testdata/volume_empty_dir.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/volume_empty_dir_memory.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/volume_host_path.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/volume_invalid_name.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/volume_missing_name.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:

engine/linter/testdata/volume_restricted.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: linux
 
 steps:
@@ -15,4 +15,4 @@ steps:
 
 volumes:
 - name: vol
-  temp: {}
+  temp: {}

engine/resource/parser_test.go

@@ -32,7 +32,7 @@ func TestParse(t *testing.T) {
 		},
 		&Pipeline{
 			Kind:    "pipeline",
-			Type:    "docker",
+			Type:    "podman",
 			Name:    "default",
 			Version: "1",
 			Environment: map[string]string{
@@ -48,8 +48,8 @@ func TestParse(t *testing.T) {
 			Clone: manifest.Clone{
 				Depth: 50,
 			},
-			Deps: []string{"dependency"},
-			PullSecrets: []string{"dockerconfigjson"},
+			Deps:        []string{"dependency"},
+			PullSecrets: []string{"podmanconfigjson"},
 			Trigger: manifest.Conditions{
 				Branch: manifest.Condition{
 					Include: []string{"master"},
@@ -130,7 +130,7 @@ func TestParseNoMatch(t *testing.T) {
 func TestMatch(t *testing.T) {
 	r := &manifest.RawResource{
 		Kind: "pipeline",
-		Type: "docker",
+		Type: "podman",
 	}
 	if match(r) == false {
 		t.Errorf("Expect match, got false")
@@ -138,7 +138,7 @@ func TestMatch(t *testing.T) {
 
 	r = &manifest.RawResource{
 		Kind: "approval",
-		Type: "docker",
+		Type: "podman",
 	}
 	if match(r) == true {
 		t.Errorf("Expect kind mismatch, got true")

engine/resource/pipeline.go

@@ -16,7 +16,7 @@ var (
 // Defines the Resource Kind and Type.
 const (
 	Kind = "pipeline"
-	Type = "docker"
+	Type = "podman"
 )
 
 // Pipeline is a pipeline resource that executes pipelines

engine/resource/pipeline_test.go

@@ -39,7 +39,7 @@ func TestGetters(t *testing.T) {
 	pipeline := &Pipeline{
 		Version:  "1.0.0",
 		Kind:     "pipeline",
-		Type:     "docker",
+		Type:     "podman",
 		Name:     "default",
 		Deps:     []string{"before"},
 		Platform: platform,

engine/resource/testdata/linterr.yml

@@ -1,6 +1,6 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 
 server:
   image: docker-18-04
@@ -12,4 +12,4 @@ steps:
   - go build
   - go test
 
-...
+...

engine/resource/testdata/malformed.yml

@@ -1,8 +1,8 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 
 steps:
  foo: bar
 
-...
+...

engine/resource/testdata/manifest.yml

@@ -10,7 +10,7 @@ data: f0e4c2f76c58916ec25
 
 ---
 kind: pipeline
-type: docker
+type: podman
 name: default
 version: 1
 
@@ -54,7 +54,7 @@ services:
   command: [ "--debug" ]
 
 image_pull_secrets:
-- dockerconfigjson
+- podmanconfigjson
 
 trigger:
   branch: [ master ]

engine/resource/testdata/nilstep.yml

@@ -1,9 +1,9 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 name: test
 
 steps:
 - ~
 
-...
+...

engine/resource/testdata/nomatch.yml

@@ -1,5 +1,5 @@
 ---
 kind: pipeline
-type: docker
+type: podman
 
-...
+...

engine/testdata/network_default.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/testdata/status_failure.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/testdata/status_success.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/testdata/volume_host.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:
@@ -29,4 +29,4 @@ steps:
 volumes:
 - name: test
   host:
-    path: /tmp/drone/test
+    path: /tmp/drone/test

engine/testdata/volume_mem.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/testdata/volume_temp.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/testdata/workspace_custom.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/testdata/workspace_default.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/testdata/workspace_legacy.yml

@@ -1,5 +1,5 @@
 kind: pipeline
-type: docker
+type: podman
 name: default
 
 clone:

engine/util.go

@@ -3,3 +3,80 @@
 // that can be found in the LICENSE file.
 
 package engine
+
+import (
+	"bytes"
+	"context"
+	"io"
+	"reflect"
+)
+
+// if another module requires this function
+// then remove this function and place in util module
+func toPtr[T any](a T) *T {
+	ptr := new(T)
+	*ptr = a
+	return ptr
+}
+
+func flattenToBytes(data []string) []byte {
+	var total int
+	for i := range data {
+		total += len(data[i])
+	}
+
+	b := make([]byte, total)
+	for i := range data {
+		b = append(b, data[i]...)
+	}
+
+	return b
+}
+
+type ReaderClose struct {
+	ctx      context.Context
+	channels []chan string
+}
+
+func NewChansReadClose(ctx context.Context, channels ...chan string) ReaderClose {
+	return ReaderClose{
+		ctx:      ctx,
+		channels: channels,
+	}
+}
+
+func (c *ReaderClose) Read(p []byte) (int, error) {
+	cases := make([]reflect.SelectCase, len(c.channels))
+	for i := range c.channels {
+		cases[i] = reflect.SelectCase{Dir: reflect.SelectRecv, Chan: reflect.ValueOf(c.channels[i])}
+	}
+
+	remaining := len(cases)
+	for remaining > 0 {
+		select {
+		case <-c.ctx.Done():
+			c.Close()
+			return len(p), nil
+		default:
+		}
+
+		chosen, value, ok := reflect.Select(cases)
+		if !ok {
+			cases[chosen].Chan = reflect.ValueOf(nil)
+			remaining -= 1
+			continue
+		}
+
+		io.WriteString(bytes.NewBuffer(p), value.String())
+	}
+
+	return len(p), io.EOF
+}
+
+func (c *ReaderClose) Close() error {
+	for i := range c.channels {
+		close(c.channels[i])
+	}
+
+	return nil
+}

engine/util_test.go

@@ -3,3 +3,9 @@
 // that can be found in the LICENSE file.
 
 package engine
+
+import "testing"
+
+func TestChansToReader(t *testing.T) {
+
+}