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author | baude <bbaude@redhat.com> | 2021-03-22 13:29:25 -0500 |
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committer | baude <bbaude@redhat.com> | 2021-03-25 11:02:33 -0500 |
commit | 4ab8a6f67eb9de0de40d478cb0cbec05b1b725c0 (patch) | |
tree | 00743bf608cc5700fe8a7fca1bb3b0f3a4457b7d /utils/ports.go | |
parent | e7661137373b5f87bf6ec45e32326821b172ce7b (diff) | |
download | podman-4ab8a6f67eb9de0de40d478cb0cbec05b1b725c0.tar.gz podman-4ab8a6f67eb9de0de40d478cb0cbec05b1b725c0.tar.bz2 podman-4ab8a6f67eb9de0de40d478cb0cbec05b1b725c0.zip |
Improvements for machine
clean up ci failures and add appropriate arch,os exclusion tags
Signed-off-by: baude <bbaude@redhat.com>
Diffstat (limited to 'utils/ports.go')
-rw-r--r-- | utils/ports.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/utils/ports.go b/utils/ports.go new file mode 100644 index 000000000..0a4f67dcc --- /dev/null +++ b/utils/ports.go @@ -0,0 +1,26 @@ +package utils + +import ( + "net" + "strconv" + + "github.com/pkg/errors" +) + +// Find a random, open port on the host +func GetRandomPort() (int, error) { + l, err := net.Listen("tcp", ":0") + if err != nil { + return 0, errors.Wrapf(err, "unable to get free TCP port") + } + defer l.Close() + _, randomPort, err := net.SplitHostPort(l.Addr().String()) + if err != nil { + return 0, errors.Wrapf(err, "unable to determine free port") + } + rp, err := strconv.Atoi(randomPort) + if err != nil { + return 0, errors.Wrapf(err, "unable to convert random port to int") + } + return rp, nil +} |