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-rw-r--r--pkg/adapter/pods.go3
-rw-r--r--pkg/rootless/rootless_linux.go2
-rw-r--r--pkg/util/utils.go85
-rw-r--r--pkg/util/utils_test.go71
4 files changed, 140 insertions, 21 deletions
diff --git a/pkg/adapter/pods.go b/pkg/adapter/pods.go
index 2905d5466..c8d57e2a2 100644
--- a/pkg/adapter/pods.go
+++ b/pkg/adapter/pods.go
@@ -473,6 +473,9 @@ func (r *LocalRuntime) PlayKubeYAML(ctx context.Context, c *cliconfig.KubePlayVa
// check for name collision between pod and container
podName := podYAML.ObjectMeta.Name
+ if podName == "" {
+ return nil, errors.Errorf("pod does not have a name")
+ }
for _, n := range podYAML.Spec.Containers {
if n.Name == podName {
fmt.Printf("a container exists with the same name (%s) as the pod in your YAML file; changing pod name to %s_pod\n", podName, podName)
diff --git a/pkg/rootless/rootless_linux.go b/pkg/rootless/rootless_linux.go
index ecb84f6a9..6f6239e5f 100644
--- a/pkg/rootless/rootless_linux.go
+++ b/pkg/rootless/rootless_linux.go
@@ -365,7 +365,7 @@ func GetConfiguredMappings() ([]idtools.IDMap, []idtools.IDMap, error) {
}
mappings, err := idtools.NewIDMappings(username, username)
if err != nil {
- logrus.Warnf("cannot find mappings for user %s: %v", username, err)
+ logrus.Errorf("cannot find mappings for user %s: %v", username, err)
} else {
uids = mappings.UIDs()
gids = mappings.GIDs()
diff --git a/pkg/util/utils.go b/pkg/util/utils.go
index 583bf5d18..edcad1d1b 100644
--- a/pkg/util/utils.go
+++ b/pkg/util/utils.go
@@ -4,6 +4,7 @@ import (
"fmt"
"os"
"path/filepath"
+ "regexp"
"strings"
"sync"
"time"
@@ -16,7 +17,7 @@ import (
"github.com/containers/libpod/pkg/rootless"
"github.com/containers/storage"
"github.com/containers/storage/pkg/idtools"
- "github.com/opencontainers/image-spec/specs-go/v1"
+ v1 "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/pflag"
@@ -69,6 +70,50 @@ func StringInSlice(s string, sl []string) bool {
return false
}
+// ParseChanges returns key, value(s) pair for given option.
+func ParseChanges(option string) (key string, vals []string, err error) {
+ // Supported format as below
+ // 1. key=value
+ // 2. key value
+ // 3. key ["value","value1"]
+ if strings.Contains(option, " ") {
+ // This handles 2 & 3 conditions.
+ var val string
+ tokens := strings.SplitAfterN(option, " ", 2)
+ if len(tokens) < 2 {
+ return "", []string{}, fmt.Errorf("invalid key value %s", option)
+ }
+ key = strings.Trim(tokens[0], " ") // Need to trim whitespace part of delimeter.
+ val = tokens[1]
+ if strings.Contains(tokens[1], "[") && strings.Contains(tokens[1], "]") {
+ //Trim '[',']' if exist.
+ val = strings.TrimLeft(strings.TrimRight(tokens[1], "]"), "[")
+ }
+ vals = strings.Split(val, ",")
+ } else if strings.Contains(option, "=") {
+ // handles condition 1.
+ tokens := strings.Split(option, "=")
+ key = tokens[0]
+ vals = tokens[1:]
+ } else {
+ // either ` ` or `=` must be provided after command
+ return "", []string{}, fmt.Errorf("invalid format %s", option)
+ }
+
+ if len(vals) == 0 {
+ return "", []string{}, errors.Errorf("no value given for instruction %q", key)
+ }
+
+ for _, v := range vals {
+ //each option must not have ' '., `[`` or `]` & empty strings
+ whitespaces := regexp.MustCompile(`[\[\s\]]`)
+ if whitespaces.MatchString(v) || len(v) == 0 {
+ return "", []string{}, fmt.Errorf("invalid value %s", v)
+ }
+ }
+ return key, vals, nil
+}
+
// GetImageConfig converts the --change flag values in the format "CMD=/bin/bash USER=example"
// to a type v1.ImageConfig
func GetImageConfig(changes []string) (v1.ImageConfig, error) {
@@ -87,40 +132,42 @@ func GetImageConfig(changes []string) (v1.ImageConfig, error) {
exposedPorts := make(map[string]struct{})
volumes := make(map[string]struct{})
labels := make(map[string]string)
-
for _, ch := range changes {
- pair := strings.Split(ch, "=")
- if len(pair) == 1 {
- return v1.ImageConfig{}, errors.Errorf("no value given for instruction %q", ch)
+ key, vals, err := ParseChanges(ch)
+ if err != nil {
+ return v1.ImageConfig{}, err
}
- switch pair[0] {
+
+ switch key {
case "USER":
- user = pair[1]
+ user = vals[0]
case "EXPOSE":
var st struct{}
- exposedPorts[pair[1]] = st
+ exposedPorts[vals[0]] = st
case "ENV":
- if len(pair) < 3 {
- return v1.ImageConfig{}, errors.Errorf("no value given for environment variable %q", pair[1])
+ if len(vals) < 2 {
+ return v1.ImageConfig{}, errors.Errorf("no value given for environment variable %q", vals[0])
}
- env = append(env, strings.Join(pair[1:], "="))
+ env = append(env, strings.Join(vals[0:], "="))
case "ENTRYPOINT":
- entrypoint = append(entrypoint, pair[1])
+ // ENTRYPOINT and CMD can have array of strings
+ entrypoint = append(entrypoint, vals...)
case "CMD":
- cmd = append(cmd, pair[1])
+ // ENTRYPOINT and CMD can have array of strings
+ cmd = append(cmd, vals...)
case "VOLUME":
var st struct{}
- volumes[pair[1]] = st
+ volumes[vals[0]] = st
case "WORKDIR":
- workingDir = pair[1]
+ workingDir = vals[0]
case "LABEL":
- if len(pair) == 3 {
- labels[pair[1]] = pair[2]
+ if len(vals) == 2 {
+ labels[vals[0]] = vals[1]
} else {
- labels[pair[1]] = ""
+ labels[vals[0]] = ""
}
case "STOPSIGNAL":
- stopSignal = pair[1]
+ stopSignal = vals[0]
}
}
diff --git a/pkg/util/utils_test.go b/pkg/util/utils_test.go
index f47c0b7ad..c938dc592 100644
--- a/pkg/util/utils_test.go
+++ b/pkg/util/utils_test.go
@@ -1,8 +1,9 @@
package util
import (
- "github.com/stretchr/testify/assert"
"testing"
+
+ "github.com/stretchr/testify/assert"
)
var (
@@ -17,3 +18,71 @@ func TestStringInSlice(t *testing.T) {
// string is not in empty slice
assert.False(t, StringInSlice("one", []string{}))
}
+
+func TestParseChanges(t *testing.T) {
+ // CMD=/bin/sh
+ _, vals, err := ParseChanges("CMD=/bin/sh")
+ assert.EqualValues(t, []string{"/bin/sh"}, vals)
+ assert.NoError(t, err)
+
+ // CMD [/bin/sh]
+ _, vals, err = ParseChanges("CMD [/bin/sh]")
+ assert.EqualValues(t, []string{"/bin/sh"}, vals)
+ assert.NoError(t, err)
+
+ // CMD ["/bin/sh"]
+ _, vals, err = ParseChanges(`CMD ["/bin/sh"]`)
+ assert.EqualValues(t, []string{`"/bin/sh"`}, vals)
+ assert.NoError(t, err)
+
+ // CMD ["/bin/sh","-c","ls"]
+ _, vals, err = ParseChanges(`CMD ["/bin/sh","c","ls"]`)
+ assert.EqualValues(t, []string{`"/bin/sh"`, `"c"`, `"ls"`}, vals)
+ assert.NoError(t, err)
+
+ // CMD ["/bin/sh","arg-with,comma"]
+ _, vals, err = ParseChanges(`CMD ["/bin/sh","arg-with,comma"]`)
+ assert.EqualValues(t, []string{`"/bin/sh"`, `"arg-with`, `comma"`}, vals)
+ assert.NoError(t, err)
+
+ // CMD "/bin/sh"]
+ _, _, err = ParseChanges(`CMD "/bin/sh"]`)
+ assert.Error(t, err)
+ assert.Equal(t, `invalid value "/bin/sh"]`, err.Error())
+
+ // CMD [bin/sh
+ _, _, err = ParseChanges(`CMD "/bin/sh"]`)
+ assert.Error(t, err)
+ assert.Equal(t, `invalid value "/bin/sh"]`, err.Error())
+
+ // CMD ["/bin /sh"]
+ _, _, err = ParseChanges(`CMD ["/bin /sh"]`)
+ assert.Error(t, err)
+ assert.Equal(t, `invalid value "/bin /sh"`, err.Error())
+
+ // CMD ["/bin/sh", "-c","ls"] whitespace between values
+ _, vals, err = ParseChanges(`CMD ["/bin/sh", "c","ls"]`)
+ assert.Error(t, err)
+ assert.Equal(t, `invalid value "c"`, err.Error())
+
+ // CMD?
+ _, _, err = ParseChanges(`CMD?`)
+ assert.Error(t, err)
+ assert.Equal(t, `invalid format CMD?`, err.Error())
+
+ // empty values for CMD
+ _, _, err = ParseChanges(`CMD `)
+ assert.Error(t, err)
+ assert.Equal(t, `invalid value `, err.Error())
+
+ // LABEL=blue=image
+ _, vals, err = ParseChanges(`LABEL=blue=image`)
+ assert.EqualValues(t, []string{"blue", "image"}, vals)
+ assert.NoError(t, err)
+
+ // LABEL = blue=image
+ _, vals, err = ParseChanges(`LABEL = blue=image`)
+ assert.Error(t, err)
+ assert.Equal(t, `invalid value = blue=image`, err.Error())
+
+}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-02-10 04:21:47 +0000