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authorbaude <bbaude@redhat.com>2020-11-05 09:07:03 -0600
committerbaude <bbaude@redhat.com>2020-11-10 07:55:24 -0600
commit72ec8b0aa2d599220b24749c1f4c7a9c42667023 (patch)
tree18bbe29c845250d3c922b7c4be0d82bc0d9b1af4 /pkg/domain
parentda95fb4226c82694af19610578d9c14a6aa964f2 (diff)
downloadpodman-72ec8b0aa2d599220b24749c1f4c7a9c42667023.tar.gz
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migrate play kube to spec gen
we need to migrate play kube away from using the old container creation method. the new approach is specgen and this aligns play kube with container creation in the rest of podman. Signed-off-by: baude <bbaude@redhat.com>
Diffstat (limited to 'pkg/domain')
-rw-r--r--pkg/domain/infra/abi/play.go491
-rw-r--r--pkg/domain/infra/abi/play_test.go169
2 files changed, 27 insertions, 633 deletions
diff --git a/pkg/domain/infra/abi/play.go b/pkg/domain/infra/abi/play.go
index 317eac6d5..c0948e099 100644
--- a/pkg/domain/infra/abi/play.go
+++ b/pkg/domain/infra/abi/play.go
@@ -6,29 +6,22 @@ import (
"io"
"io/ioutil"
"os"
- "path/filepath"
"strings"
"github.com/containers/buildah/pkg/parse"
"github.com/containers/image/v5/types"
"github.com/containers/podman/v2/libpod"
"github.com/containers/podman/v2/libpod/image"
- ann "github.com/containers/podman/v2/pkg/annotations"
"github.com/containers/podman/v2/pkg/domain/entities"
- envLib "github.com/containers/podman/v2/pkg/env"
- ns "github.com/containers/podman/v2/pkg/namespaces"
- createconfig "github.com/containers/podman/v2/pkg/spec"
"github.com/containers/podman/v2/pkg/specgen/generate"
+ "github.com/containers/podman/v2/pkg/specgen/generate/kube"
"github.com/containers/podman/v2/pkg/util"
- "github.com/containers/storage"
- "github.com/cri-o/ocicni/pkg/ocicni"
"github.com/docker/distribution/reference"
"github.com/ghodss/yaml"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
v1apps "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1"
- "k8s.io/apimachinery/pkg/api/resource"
)
const (
@@ -110,7 +103,6 @@ func (ic *ContainerEngine) playKubeDeployment(ctx context.Context, deploymentYAM
func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podYAML *v1.PodTemplateSpec, options entities.PlayKubeOptions) (*entities.PlayKubeReport, error) {
var (
- pod *libpod.Pod
registryCreds *types.DockerAuthConfig
writer io.Writer
playKubePod entities.PlayKubePod
@@ -129,49 +121,10 @@ func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podY
}
}
- podOptions := []libpod.PodCreateOption{
- libpod.WithInfraContainer(),
- libpod.WithPodName(podName),
- }
-
- if podYAML.ObjectMeta.Labels != nil {
- podOptions = append(podOptions, libpod.WithPodLabels(podYAML.ObjectMeta.Labels))
- }
-
- // TODO we only configure Process namespace. We also need to account for Host{IPC,Network,PID}
- // which is not currently possible with pod create
- if podYAML.Spec.ShareProcessNamespace != nil && *podYAML.Spec.ShareProcessNamespace {
- podOptions = append(podOptions, libpod.WithPodPID())
- }
-
- hostname := podYAML.Spec.Hostname
- if hostname == "" {
- hostname = podName
- }
- podOptions = append(podOptions, libpod.WithPodHostname(hostname))
-
- if podYAML.Spec.HostNetwork {
- podOptions = append(podOptions, libpod.WithPodHostNetwork())
- }
-
- if podYAML.Spec.HostAliases != nil {
- hosts := make([]string, 0, len(podYAML.Spec.HostAliases))
- for _, hostAlias := range podYAML.Spec.HostAliases {
- for _, host := range hostAlias.Hostnames {
- hosts = append(hosts, host+":"+hostAlias.IP)
- }
- }
- podOptions = append(podOptions, libpod.WithPodHosts(hosts))
- }
-
- nsOptions, err := generate.GetNamespaceOptions(strings.Split(createconfig.DefaultKernelNamespaces, ","))
+ p, err := kube.ToPodGen(ctx, podName, podYAML)
if err != nil {
return nil, err
}
- podOptions = append(podOptions, nsOptions...)
- podPorts := getPodPorts(podYAML.Spec.Containers)
- podOptions = append(podOptions, libpod.WithInfraContainerPorts(podPorts))
-
if options.Network != "" {
switch strings.ToLower(options.Network) {
case "bridge", "host":
@@ -183,12 +136,12 @@ func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podY
// networks.
networks := strings.Split(options.Network, ",")
logrus.Debugf("Pod joining CNI networks: %v", networks)
- podOptions = append(podOptions, libpod.WithPodNetworks(networks))
+ p.CNINetworks = append(p.CNINetworks, networks...)
}
}
// Create the Pod
- pod, err = ic.Libpod.NewPod(ctx, podOptions...)
+ pod, err := generate.MakePod(p, ic.Libpod)
if err != nil {
return nil, err
}
@@ -197,29 +150,7 @@ func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podY
if err != nil {
return nil, err
}
- hasUserns := false
- if podInfraID != "" {
- podCtr, err := ic.Libpod.GetContainer(podInfraID)
- if err != nil {
- return nil, err
- }
- mappings, err := podCtr.IDMappings()
- if err != nil {
- return nil, err
- }
- hasUserns = len(mappings.UIDMap) > 0
- }
- namespaces := map[string]string{
- // Disabled during code review per mheon
- //"pid": fmt.Sprintf("container:%s", podInfraID),
- "net": fmt.Sprintf("container:%s", podInfraID),
- "ipc": fmt.Sprintf("container:%s", podInfraID),
- "uts": fmt.Sprintf("container:%s", podInfraID),
- }
- if hasUserns {
- namespaces["user"] = fmt.Sprintf("container:%s", podInfraID)
- }
if !options.Quiet {
writer = os.Stderr
}
@@ -295,7 +226,7 @@ func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podY
volumes[volume.Name] = hostPath.Path
}
- seccompPaths, err := initializeSeccompPaths(podYAML.ObjectMeta.Annotations, options.SeccompProfileRoot)
+ seccompPaths, err := kube.InitializeSeccompPaths(podYAML.ObjectMeta.Annotations, options.SeccompProfileRoot)
if err != nil {
return nil, err
}
@@ -347,29 +278,39 @@ func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podY
pullPolicy = util.PullImageAlways
}
}
+
+ // This ensures the image is the image store
newImage, err := ic.Libpod.ImageRuntime().New(ctx, container.Image, options.SignaturePolicy, options.Authfile, writer, &dockerRegistryOptions, image.SigningOptions{}, nil, pullPolicy)
if err != nil {
return nil, err
}
- conf, err := kubeContainerToCreateConfig(ctx, container, newImage, namespaces, volumes, pod.ID(), podName, podInfraID, configMaps, seccompPaths, options.LogDriver)
+ specGen, err := kube.ToSpecGen(ctx, container, container.Image, newImage, volumes, pod.ID(), podName, podInfraID, configMaps, seccompPaths, ctrRestartPolicy)
if err != nil {
return nil, err
}
- conf.RestartPolicy = ctrRestartPolicy
- ctr, err := createconfig.CreateContainerFromCreateConfig(ctx, ic.Libpod, conf, pod)
+
+ ctr, err := generate.MakeContainer(ctx, ic.Libpod, specGen)
if err != nil {
return nil, err
}
containers = append(containers, ctr)
}
- // start the containers
- for _, ctr := range containers {
- if err := ctr.Start(ctx, true); err != nil {
- // Making this a hard failure here to avoid a mess
- // the other containers are in created status
- return nil, err
+ //start the containers
+ podStartErrors, err := pod.Start(ctx)
+ if err != nil {
+ return nil, err
+ }
+
+ // Previous versions of playkube started containers individually and then
+ // looked for errors. Because we now use the uber-Pod start call, we should
+ // iterate the map of possible errors and return one if there is a problem. This
+ // keeps the behavior the same
+
+ for _, e := range podStartErrors {
+ if e != nil {
+ return nil, e
}
}
@@ -383,268 +324,6 @@ func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podY
return &report, nil
}
-// getPodPorts converts a slice of kube container descriptions to an
-// array of ocicni portmapping descriptions usable in libpod
-func getPodPorts(containers []v1.Container) []ocicni.PortMapping {
- var infraPorts []ocicni.PortMapping
- for _, container := range containers {
- for _, p := range container.Ports {
- if p.HostPort != 0 && p.ContainerPort == 0 {
- p.ContainerPort = p.HostPort
- }
- if p.Protocol == "" {
- p.Protocol = "tcp"
- }
- portBinding := ocicni.PortMapping{
- HostPort: p.HostPort,
- ContainerPort: p.ContainerPort,
- Protocol: strings.ToLower(string(p.Protocol)),
- HostIP: p.HostIP,
- }
- // only hostPort is utilized in podman context, all container ports
- // are accessible inside the shared network namespace
- if p.HostPort != 0 {
- infraPorts = append(infraPorts, portBinding)
- }
-
- }
- }
- return infraPorts
-}
-
-func setupSecurityContext(securityConfig *createconfig.SecurityConfig, userConfig *createconfig.UserConfig, containerYAML v1.Container) {
- if containerYAML.SecurityContext == nil {
- return
- }
- if containerYAML.SecurityContext.ReadOnlyRootFilesystem != nil {
- securityConfig.ReadOnlyRootfs = *containerYAML.SecurityContext.ReadOnlyRootFilesystem
- }
- if containerYAML.SecurityContext.Privileged != nil {
- securityConfig.Privileged = *containerYAML.SecurityContext.Privileged
- }
-
- if containerYAML.SecurityContext.AllowPrivilegeEscalation != nil {
- securityConfig.NoNewPrivs = !*containerYAML.SecurityContext.AllowPrivilegeEscalation
- }
-
- if seopt := containerYAML.SecurityContext.SELinuxOptions; seopt != nil {
- if seopt.User != "" {
- securityConfig.SecurityOpts = append(securityConfig.SecurityOpts, fmt.Sprintf("label=user:%s", seopt.User))
- securityConfig.LabelOpts = append(securityConfig.LabelOpts, fmt.Sprintf("user:%s", seopt.User))
- }
- if seopt.Role != "" {
- securityConfig.SecurityOpts = append(securityConfig.SecurityOpts, fmt.Sprintf("label=role:%s", seopt.Role))
- securityConfig.LabelOpts = append(securityConfig.LabelOpts, fmt.Sprintf("role:%s", seopt.Role))
- }
- if seopt.Type != "" {
- securityConfig.SecurityOpts = append(securityConfig.SecurityOpts, fmt.Sprintf("label=type:%s", seopt.Type))
- securityConfig.LabelOpts = append(securityConfig.LabelOpts, fmt.Sprintf("type:%s", seopt.Type))
- }
- if seopt.Level != "" {
- securityConfig.SecurityOpts = append(securityConfig.SecurityOpts, fmt.Sprintf("label=level:%s", seopt.Level))
- securityConfig.LabelOpts = append(securityConfig.LabelOpts, fmt.Sprintf("level:%s", seopt.Level))
- }
- }
- if caps := containerYAML.SecurityContext.Capabilities; caps != nil {
- for _, capability := range caps.Add {
- securityConfig.CapAdd = append(securityConfig.CapAdd, string(capability))
- }
- for _, capability := range caps.Drop {
- securityConfig.CapDrop = append(securityConfig.CapDrop, string(capability))
- }
- }
- if containerYAML.SecurityContext.RunAsUser != nil {
- userConfig.User = fmt.Sprintf("%d", *containerYAML.SecurityContext.RunAsUser)
- }
- if containerYAML.SecurityContext.RunAsGroup != nil {
- if userConfig.User == "" {
- userConfig.User = "0"
- }
- userConfig.User = fmt.Sprintf("%s:%d", userConfig.User, *containerYAML.SecurityContext.RunAsGroup)
- }
-}
-
-// kubeContainerToCreateConfig takes a v1.Container and returns a createconfig describing a container
-func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container, newImage *image.Image, namespaces map[string]string, volumes map[string]string, podID, podName, infraID string, configMaps []v1.ConfigMap, seccompPaths *kubeSeccompPaths, logDriver string) (*createconfig.CreateConfig, error) {
- var (
- containerConfig createconfig.CreateConfig
- pidConfig createconfig.PidConfig
- networkConfig createconfig.NetworkConfig
- cgroupConfig createconfig.CgroupConfig
- utsConfig createconfig.UtsConfig
- ipcConfig createconfig.IpcConfig
- userConfig createconfig.UserConfig
- securityConfig createconfig.SecurityConfig
- )
-
- // The default for MemorySwappiness is -1, not 0
- containerConfig.Resources.MemorySwappiness = -1
-
- containerConfig.Image = containerYAML.Image
- containerConfig.ImageID = newImage.ID()
-
- // podName should be non-empty for Deployment objects to be able to create
- // multiple pods having containers with unique names
- if podName == "" {
- return nil, errors.Errorf("kubeContainerToCreateConfig got empty podName")
- }
- containerConfig.Name = fmt.Sprintf("%s-%s", podName, containerYAML.Name)
-
- containerConfig.Tty = containerYAML.TTY
-
- containerConfig.Pod = podID
-
- imageData, _ := newImage.Inspect(ctx)
-
- userConfig.User = "0"
- if imageData != nil {
- userConfig.User = imageData.Config.User
- }
-
- setupSecurityContext(&securityConfig, &userConfig, containerYAML)
-
- // Since we prefix the container name with pod name to work-around the uniqueness requirement,
- // the seccom profile should reference the actual container name from the YAML
- // but apply to the containers with the prefixed name
- securityConfig.SeccompProfilePath = seccompPaths.findForContainer(containerYAML.Name)
-
- var err error
- milliCPU, err := quantityToInt64(containerYAML.Resources.Limits.Cpu())
- if err != nil {
- return nil, errors.Wrap(err, "Failed to set CPU quota")
- }
- if milliCPU > 0 {
- period, quota := util.CoresToPeriodAndQuota(float64(milliCPU) / 1000)
- containerConfig.Resources.CPUPeriod = period
- containerConfig.Resources.CPUQuota = quota
- }
-
- containerConfig.Resources.Memory, err = quantityToInt64(containerYAML.Resources.Limits.Memory())
- if err != nil {
- return nil, errors.Wrap(err, "Failed to set memory limit")
- }
- containerConfig.Resources.MemoryReservation, err = quantityToInt64(containerYAML.Resources.Requests.Memory())
- if err != nil {
- return nil, errors.Wrap(err, "Failed to set memory reservation")
- }
-
- containerConfig.Command = []string{}
- if imageData != nil && imageData.Config != nil {
- containerConfig.Command = imageData.Config.Entrypoint
- }
- if len(containerYAML.Command) != 0 {
- containerConfig.Command = containerYAML.Command
- }
- // doc https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#notes
- if len(containerYAML.Args) != 0 {
- containerConfig.Command = append(containerConfig.Command, containerYAML.Args...)
- } else if len(containerYAML.Command) == 0 {
- // Add the Cmd from the image config only if containerYAML.Command and containerYAML.Args are empty
- containerConfig.Command = append(containerConfig.Command, imageData.Config.Cmd...)
- }
- if imageData != nil && len(containerConfig.Command) == 0 {
- return nil, errors.Errorf("No command specified in container YAML or as CMD or ENTRYPOINT in this image for %s", containerConfig.Name)
- }
-
- containerConfig.UserCommand = containerConfig.Command
-
- containerConfig.StopSignal = 15
-
- containerConfig.WorkDir = "/"
- if imageData != nil {
- // FIXME,
- // we are currently ignoring imageData.Config.ExposedPorts
- containerConfig.BuiltinImgVolumes = imageData.Config.Volumes
- if imageData.Config.WorkingDir != "" {
- containerConfig.WorkDir = imageData.Config.WorkingDir
- }
- containerConfig.Labels = imageData.Config.Labels
- if imageData.Config.StopSignal != "" {
- stopSignal, err := util.ParseSignal(imageData.Config.StopSignal)
- if err != nil {
- return nil, err
- }
- containerConfig.StopSignal = stopSignal
- }
- }
-
- if containerYAML.WorkingDir != "" {
- containerConfig.WorkDir = containerYAML.WorkingDir
- }
- // If the user does not pass in ID mappings, just set to basics
- if userConfig.IDMappings == nil {
- userConfig.IDMappings = &storage.IDMappingOptions{}
- }
-
- networkConfig.NetMode = ns.NetworkMode(namespaces["net"])
- ipcConfig.IpcMode = ns.IpcMode(namespaces["ipc"])
- utsConfig.UtsMode = ns.UTSMode(namespaces["uts"])
- // disabled in code review per mheon
- //containerConfig.PidMode = ns.PidMode(namespaces["pid"])
- userConfig.UsernsMode = ns.UsernsMode(namespaces["user"])
- if len(containerConfig.WorkDir) == 0 {
- containerConfig.WorkDir = "/"
- }
-
- containerConfig.Pid = pidConfig
- containerConfig.Network = networkConfig
- containerConfig.Uts = utsConfig
- containerConfig.Ipc = ipcConfig
- containerConfig.Cgroup = cgroupConfig
- containerConfig.User = userConfig
- containerConfig.Security = securityConfig
-
- if logDriver != "" {
- containerConfig.LogDriver = logDriver
- }
-
- annotations := make(map[string]string)
- if infraID != "" {
- annotations[ann.SandboxID] = infraID
- annotations[ann.ContainerType] = ann.ContainerTypeContainer
- }
- containerConfig.Annotations = annotations
-
- // Environment Variables
- envs := map[string]string{}
- if imageData != nil {
- imageEnv, err := envLib.ParseSlice(imageData.Config.Env)
- if err != nil {
- return nil, errors.Wrap(err, "error parsing image environment variables")
- }
- envs = imageEnv
- }
- for _, env := range containerYAML.Env {
- value := envVarValue(env, configMaps)
-
- envs[env.Name] = value
- }
- for _, envFrom := range containerYAML.EnvFrom {
- cmEnvs := envVarsFromConfigMap(envFrom, configMaps)
-
- for k, v := range cmEnvs {
- envs[k] = v
- }
- }
- containerConfig.Env = envs
-
- for _, volume := range containerYAML.VolumeMounts {
- var readonly string
- hostPath, exists := volumes[volume.Name]
- if !exists {
- return nil, errors.Errorf("Volume mount %s specified for container but not configured in volumes", volume.Name)
- }
- if err := parse.ValidateVolumeCtrDir(volume.MountPath); err != nil {
- return nil, errors.Wrapf(err, "error in parsing MountPath")
- }
- if volume.ReadOnly {
- readonly = ":ro"
- }
- containerConfig.Volumes = append(containerConfig.Volumes, fmt.Sprintf("%s:%s%s", hostPath, volume.MountPath, readonly))
- }
- return &containerConfig, nil
-}
-
// readConfigMapFromFile returns a kubernetes configMap obtained from --configmap flag
func readConfigMapFromFile(r io.Reader) (v1.ConfigMap, error) {
var cm v1.ConfigMap
@@ -664,125 +343,3 @@ func readConfigMapFromFile(r io.Reader) (v1.ConfigMap, error) {
return cm, nil
}
-
-// envVarsFromConfigMap returns all key-value pairs as env vars from a configMap that matches the envFrom setting of a container
-func envVarsFromConfigMap(envFrom v1.EnvFromSource, configMaps []v1.ConfigMap) map[string]string {
- envs := map[string]string{}
-
- if envFrom.ConfigMapRef != nil {
- cmName := envFrom.ConfigMapRef.Name
-
- for _, c := range configMaps {
- if cmName == c.Name {
- envs = c.Data
- break
- }
- }
- }
-
- return envs
-}
-
-// envVarValue returns the environment variable value configured within the container's env setting.
-// It gets the value from a configMap if specified, otherwise returns env.Value
-func envVarValue(env v1.EnvVar, configMaps []v1.ConfigMap) string {
- for _, c := range configMaps {
- if env.ValueFrom != nil {
- if env.ValueFrom.ConfigMapKeyRef != nil {
- if env.ValueFrom.ConfigMapKeyRef.Name == c.Name {
- if value, ok := c.Data[env.ValueFrom.ConfigMapKeyRef.Key]; ok {
- return value
- }
- }
- }
- }
- }
-
- return env.Value
-}
-
-// kubeSeccompPaths holds information about a pod YAML's seccomp configuration
-// it holds both container and pod seccomp paths
-type kubeSeccompPaths struct {
- containerPaths map[string]string
- podPath string
-}
-
-// findForContainer checks whether a container has a seccomp path configured for it
-// if not, it returns the podPath, which should always have a value
-func (k *kubeSeccompPaths) findForContainer(ctrName string) string {
- if path, ok := k.containerPaths[ctrName]; ok {
- return path
- }
- return k.podPath
-}
-
-// initializeSeccompPaths takes annotations from the pod object metadata and finds annotations pertaining to seccomp
-// it parses both pod and container level
-// if the annotation is of the form "localhost/%s", the seccomp profile will be set to profileRoot/%s
-func initializeSeccompPaths(annotations map[string]string, profileRoot string) (*kubeSeccompPaths, error) {
- seccompPaths := &kubeSeccompPaths{containerPaths: make(map[string]string)}
- var err error
- if annotations != nil {
- for annKeyValue, seccomp := range annotations {
- // check if it is prefaced with container.seccomp.security.alpha.kubernetes.io/
- prefixAndCtr := strings.Split(annKeyValue, "/")
- if prefixAndCtr[0]+"/" != v1.SeccompContainerAnnotationKeyPrefix {
- continue
- } else if len(prefixAndCtr) != 2 {
- // this could be caused by a user inputting either of
- // container.seccomp.security.alpha.kubernetes.io{,/}
- // both of which are invalid
- return nil, errors.Errorf("Invalid seccomp path: %s", prefixAndCtr[0])
- }
-
- path, err := verifySeccompPath(seccomp, profileRoot)
- if err != nil {
- return nil, err
- }
- seccompPaths.containerPaths[prefixAndCtr[1]] = path
- }
-
- podSeccomp, ok := annotations[v1.SeccompPodAnnotationKey]
- if ok {
- seccompPaths.podPath, err = verifySeccompPath(podSeccomp, profileRoot)
- } else {
- seccompPaths.podPath, err = libpod.DefaultSeccompPath()
- }
- if err != nil {
- return nil, err
- }
- }
- return seccompPaths, nil
-}
-
-// verifySeccompPath takes a path and checks whether it is a default, unconfined, or a path
-// the available options are parsed as defined in https://kubernetes.io/docs/concepts/policy/pod-security-policy/#seccomp
-func verifySeccompPath(path string, profileRoot string) (string, error) {
- switch path {
- case v1.DeprecatedSeccompProfileDockerDefault:
- fallthrough
- case v1.SeccompProfileRuntimeDefault:
- return libpod.DefaultSeccompPath()
- case "unconfined":
- return path, nil
- default:
- parts := strings.Split(path, "/")
- if parts[0] == "localhost" {
- return filepath.Join(profileRoot, parts[1]), nil
- }
- return "", errors.Errorf("invalid seccomp path: %s", path)
- }
-}
-
-func quantityToInt64(quantity *resource.Quantity) (int64, error) {
- if i, ok := quantity.AsInt64(); ok {
- return i, nil
- }
-
- if i, ok := quantity.AsDec().Unscaled(); ok {
- return i, nil
- }
-
- return 0, errors.Errorf("Quantity cannot be represented as int64: %v", quantity)
-}
diff --git a/pkg/domain/infra/abi/play_test.go b/pkg/domain/infra/abi/play_test.go
index 5595476c3..4354a3835 100644
--- a/pkg/domain/infra/abi/play_test.go
+++ b/pkg/domain/infra/abi/play_test.go
@@ -6,34 +6,9 @@ import (
"github.com/stretchr/testify/assert"
v1 "k8s.io/api/core/v1"
- metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+ v12 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
-var configMapList = []v1.ConfigMap{
- {
- TypeMeta: metav1.TypeMeta{
- Kind: "ConfigMap",
- },
- ObjectMeta: metav1.ObjectMeta{
- Name: "bar",
- },
- Data: map[string]string{
- "myvar": "bar",
- },
- },
- {
- TypeMeta: metav1.TypeMeta{
- Kind: "ConfigMap",
- },
- ObjectMeta: metav1.ObjectMeta{
- Name: "foo",
- },
- Data: map[string]string{
- "myvar": "foo",
- },
- },
-}
-
func TestReadConfigMapFromFile(t *testing.T) {
tests := []struct {
name string
@@ -55,11 +30,11 @@ data:
false,
"",
v1.ConfigMap{
- TypeMeta: metav1.TypeMeta{
+ TypeMeta: v12.TypeMeta{
Kind: "ConfigMap",
APIVersion: "v1",
},
- ObjectMeta: metav1.ObjectMeta{
+ ObjectMeta: v12.ObjectMeta{
Name: "foo",
},
Data: map[string]string{
@@ -114,141 +89,3 @@ data:
})
}
}
-
-func TestEnvVarsFromConfigMap(t *testing.T) {
- tests := []struct {
- name string
- envFrom v1.EnvFromSource
- configMapList []v1.ConfigMap
- expected map[string]string
- }{
- {
- "ConfigMapExists",
- v1.EnvFromSource{
- ConfigMapRef: &v1.ConfigMapEnvSource{
- LocalObjectReference: v1.LocalObjectReference{
- Name: "foo",
- },
- },
- },
- configMapList,
- map[string]string{
- "myvar": "foo",
- },
- },
- {
- "ConfigMapDoesNotExist",
- v1.EnvFromSource{
- ConfigMapRef: &v1.ConfigMapEnvSource{
- LocalObjectReference: v1.LocalObjectReference{
- Name: "doesnotexist",
- },
- },
- },
- configMapList,
- map[string]string{},
- },
- {
- "EmptyConfigMapList",
- v1.EnvFromSource{
- ConfigMapRef: &v1.ConfigMapEnvSource{
- LocalObjectReference: v1.LocalObjectReference{
- Name: "foo",
- },
- },
- },
- []v1.ConfigMap{},
- map[string]string{},
- },
- }
-
- for _, test := range tests {
- test := test
- t.Run(test.name, func(t *testing.T) {
- result := envVarsFromConfigMap(test.envFrom, test.configMapList)
- assert.Equal(t, test.expected, result)
- })
- }
-}
-
-func TestEnvVarValue(t *testing.T) {
- tests := []struct {
- name string
- envVar v1.EnvVar
- configMapList []v1.ConfigMap
- expected string
- }{
- {
- "ConfigMapExists",
- v1.EnvVar{
- Name: "FOO",
- ValueFrom: &v1.EnvVarSource{
- ConfigMapKeyRef: &v1.ConfigMapKeySelector{
- LocalObjectReference: v1.LocalObjectReference{
- Name: "foo",
- },
- Key: "myvar",
- },
- },
- },
- configMapList,
- "foo",
- },
- {
- "ContainerKeyDoesNotExistInConfigMap",
- v1.EnvVar{
- Name: "FOO",
- ValueFrom: &v1.EnvVarSource{
- ConfigMapKeyRef: &v1.ConfigMapKeySelector{
- LocalObjectReference: v1.LocalObjectReference{
- Name: "foo",
- },
- Key: "doesnotexist",
- },
- },
- },
- configMapList,
- "",
- },
- {
- "ConfigMapDoesNotExist",
- v1.EnvVar{
- Name: "FOO",
- ValueFrom: &v1.EnvVarSource{
- ConfigMapKeyRef: &v1.ConfigMapKeySelector{
- LocalObjectReference: v1.LocalObjectReference{
- Name: "doesnotexist",
- },
- Key: "myvar",
- },
- },
- },
- configMapList,
- "",
- },
- {
- "EmptyConfigMapList",
- v1.EnvVar{
- Name: "FOO",
- ValueFrom: &v1.EnvVarSource{
- ConfigMapKeyRef: &v1.ConfigMapKeySelector{
- LocalObjectReference: v1.LocalObjectReference{
- Name: "foo",
- },
- Key: "myvar",
- },
- },
- },
- []v1.ConfigMap{},
- "",
- },
- }
-
- for _, test := range tests {
- test := test
- t.Run(test.name, func(t *testing.T) {
- result := envVarValue(test.envVar, test.configMapList)
- assert.Equal(t, test.expected, result)
- })
- }
-}