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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2021-08-25 09:29:03 -0400
committerGitHub <noreply@github.com>2021-08-25 09:29:03 -0400
commitfefa0b32c74fc5d394a0e2bd5b4564bedb3ed15d (patch)
tree06249cd6d0df4cbc5d32ff4056eccdfd899ccab3 /pkg/specgen/generate
parent23f9565547ae2a6b0154e6913abf7f1232f0ece0 (diff)
parent4b2dc48d0bcde9d9dccb05f829019a52f3eddec7 (diff)
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Merge pull request #11314 from Luap99/expose-ports
podman inspect show exposed ports
Diffstat (limited to 'pkg/specgen/generate')
-rw-r--r--pkg/specgen/generate/namespaces.go8
-rw-r--r--pkg/specgen/generate/ports.go29
2 files changed, 20 insertions, 17 deletions
diff --git a/pkg/specgen/generate/namespaces.go b/pkg/specgen/generate/namespaces.go
index 1d7373093..80790dcc1 100644
--- a/pkg/specgen/generate/namespaces.go
+++ b/pkg/specgen/generate/namespaces.go
@@ -242,7 +242,7 @@ func namespaceOptions(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.
}
toReturn = append(toReturn, libpod.WithNetNSFrom(netCtr))
case specgen.Slirp:
- portMappings, err := createPortMappings(ctx, s, imageData)
+ portMappings, expose, err := createPortMappings(ctx, s, imageData)
if err != nil {
return nil, err
}
@@ -250,15 +250,15 @@ func namespaceOptions(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.
if s.NetNS.Value != "" {
val = fmt.Sprintf("slirp4netns:%s", s.NetNS.Value)
}
- toReturn = append(toReturn, libpod.WithNetNS(portMappings, postConfigureNetNS, val, nil))
+ toReturn = append(toReturn, libpod.WithNetNS(portMappings, expose, postConfigureNetNS, val, nil))
case specgen.Private:
fallthrough
case specgen.Bridge:
- portMappings, err := createPortMappings(ctx, s, imageData)
+ portMappings, expose, err := createPortMappings(ctx, s, imageData)
if err != nil {
return nil, err
}
- toReturn = append(toReturn, libpod.WithNetNS(portMappings, postConfigureNetNS, "bridge", s.CNINetworks))
+ toReturn = append(toReturn, libpod.WithNetNS(portMappings, expose, postConfigureNetNS, "bridge", s.CNINetworks))
}
if s.UseImageHosts {
diff --git a/pkg/specgen/generate/ports.go b/pkg/specgen/generate/ports.go
index bd64080b1..a300f8014 100644
--- a/pkg/specgen/generate/ports.go
+++ b/pkg/specgen/generate/ports.go
@@ -254,17 +254,15 @@ func ParsePortMapping(portMappings []types.PortMapping) ([]ocicni.PortMapping, m
}
// Make final port mappings for the container
-func createPortMappings(ctx context.Context, s *specgen.SpecGenerator, imageData *libimage.ImageData) ([]ocicni.PortMapping, error) {
+func createPortMappings(ctx context.Context, s *specgen.SpecGenerator, imageData *libimage.ImageData) ([]ocicni.PortMapping, map[uint16][]string, error) {
finalMappings, containerPortValidate, hostPortValidate, err := ParsePortMapping(s.PortMappings)
if err != nil {
- return nil, err
+ return nil, nil, err
}
- // If not publishing exposed ports, or if we are publishing and there is
- // nothing to publish - then just return the port mappings we've made so
- // far.
- if !s.PublishExposedPorts || (len(s.Expose) == 0 && imageData == nil) {
- return finalMappings, nil
+ // No exposed ports so return the port mappings we've made so far.
+ if len(s.Expose) == 0 && imageData == nil {
+ return finalMappings, nil, nil
}
logrus.Debugf("Adding exposed ports")
@@ -273,7 +271,7 @@ func createPortMappings(ctx context.Context, s *specgen.SpecGenerator, imageData
if imageData != nil {
expose, err = GenExposedPorts(imageData.Config.ExposedPorts)
if err != nil {
- return nil, err
+ return nil, nil, err
}
}
@@ -289,11 +287,11 @@ func createPortMappings(ctx context.Context, s *specgen.SpecGenerator, imageData
// Validate protocol first
protocols, err := checkProtocol(proto, false)
if err != nil {
- return nil, errors.Wrapf(err, "error validating protocols for exposed port %d", port)
+ return nil, nil, errors.Wrapf(err, "error validating protocols for exposed port %d", port)
}
if port == 0 {
- return nil, errors.Errorf("cannot expose 0 as it is not a valid port number")
+ return nil, nil, errors.Errorf("cannot expose 0 as it is not a valid port number")
}
// Check to see if the port is already present in existing
@@ -317,6 +315,11 @@ func createPortMappings(ctx context.Context, s *specgen.SpecGenerator, imageData
}
}
+ // If not publishing exposed ports return mappings and exposed ports.
+ if !s.PublishExposedPorts {
+ return finalMappings, toExpose, nil
+ }
+
// We now have a final list of ports that we want exposed.
// Let's find empty, unallocated host ports for them.
for port, protocols := range toExpose {
@@ -332,7 +335,7 @@ func createPortMappings(ctx context.Context, s *specgen.SpecGenerator, imageData
// unfortunate for the UDP case.
candidate, err := utils.GetRandomPort()
if err != nil {
- return nil, err
+ return nil, nil, err
}
// Check if the host port is already bound
@@ -363,12 +366,12 @@ func createPortMappings(ctx context.Context, s *specgen.SpecGenerator, imageData
}
if tries == 0 && hostPort == 0 {
// We failed to find an open port.
- return nil, errors.Errorf("failed to find an open port to expose container port %d on the host", port)
+ return nil, nil, errors.Errorf("failed to find an open port to expose container port %d on the host", port)
}
}
}
- return finalMappings, nil
+ return finalMappings, nil, nil
}
// Check a string to ensure it is a comma-separated set of valid protocols