mirror of
https://github.com/containers/podman.git
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0c3038d4b5
clean up some final linter issues and add a make target for golangci-lint. in addition, begin running the tests are part of the gating tasks in cirrus ci. we cannot fully shift over to the new linter until we fix the image on the openshift side. for short term, we will use both Signed-off-by: baude <bbaude@redhat.com>
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package util
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import (
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"fmt"
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"os"
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"path/filepath"
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"syscall"
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"github.com/containers/psgo"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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// GetContainerPidInformationDescriptors returns a string slice of all supported
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// format descriptors of GetContainerPidInformation.
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func GetContainerPidInformationDescriptors() ([]string, error) {
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return psgo.ListDescriptors(), nil
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}
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// FindDeviceNodes parses /dev/ into a set of major:minor -> path, where
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// [major:minor] is the device's major and minor numbers formatted as, for
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// example, 2:0 and path is the path to the device node.
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// Symlinks to nodes are ignored.
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func FindDeviceNodes() (map[string]string, error) {
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nodes := make(map[string]string)
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err := filepath.Walk("/dev", func(path string, info os.FileInfo, err error) error {
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if err != nil {
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logrus.Warnf("Error descending into path %s: %v", path, err)
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return filepath.SkipDir
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}
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// If we aren't a device node, do nothing.
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if info.Mode()&(os.ModeDevice|os.ModeCharDevice) == 0 {
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return nil
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}
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// We are a device node. Get major/minor.
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sysstat, ok := info.Sys().(*syscall.Stat_t)
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if !ok {
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return errors.Errorf("Could not convert stat output for use")
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}
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major := sysstat.Rdev / 256
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minor := sysstat.Rdev % 256
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nodes[fmt.Sprintf("%d:%d", major, minor)] = path
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return nil
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})
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if err != nil {
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return nil, err
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}
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return nodes, nil
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}
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