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-rw-r--r--pkg/api/handlers/compat/containers_create.go2
-rw-r--r--pkg/api/server/server.go24
-rw-r--r--pkg/domain/infra/abi/play.go2
-rw-r--r--pkg/domain/infra/abi/terminal/sigproxy_linux.go5
-rw-r--r--pkg/specgen/generate/namespaces.go2
-rw-r--r--pkg/specgen/generate/ports.go46
6 files changed, 59 insertions, 22 deletions
diff --git a/pkg/api/handlers/compat/containers_create.go b/pkg/api/handlers/compat/containers_create.go
index 4ce31cc83..8a0b3c922 100644
--- a/pkg/api/handlers/compat/containers_create.go
+++ b/pkg/api/handlers/compat/containers_create.go
@@ -238,7 +238,7 @@ func makeCreateConfig(ctx context.Context, containerConfig *config.Config, input
Pod: "", // podman
PodmanPath: "", // podman
Quiet: false, // front-end only
- Resources: createconfig.CreateResourceConfig{},
+ Resources: createconfig.CreateResourceConfig{MemorySwappiness: -1},
RestartPolicy: input.HostConfig.RestartPolicy.Name,
Rm: input.HostConfig.AutoRemove,
StopSignal: stopSignal,
diff --git a/pkg/api/server/server.go b/pkg/api/server/server.go
index 355a46fb7..64008767b 100644
--- a/pkg/api/server/server.go
+++ b/pkg/api/server/server.go
@@ -7,7 +7,6 @@ import (
"net"
"net/http"
"os"
- "os/signal"
goRuntime "runtime"
"strings"
"sync"
@@ -15,6 +14,7 @@ import (
"time"
"github.com/containers/podman/v2/libpod"
+ "github.com/containers/podman/v2/libpod/shutdown"
"github.com/containers/podman/v2/pkg/api/handlers"
"github.com/containers/podman/v2/pkg/api/server/idle"
"github.com/coreos/go-systemd/v22/activation"
@@ -180,8 +180,17 @@ func setupSystemd() {
// Serve starts responding to HTTP requests.
func (s *APIServer) Serve() error {
setupSystemd()
- sigChan := make(chan os.Signal, 1)
- signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
+
+ // Start the shutdown signal handler.
+ if err := shutdown.Start(); err != nil {
+ return err
+ }
+ if err := shutdown.Register("server", func(sig os.Signal) error {
+ return s.Shutdown()
+ }); err != nil {
+ return err
+ }
+
errChan := make(chan error, 1)
go func() {
@@ -217,14 +226,7 @@ func (s *APIServer) Serve() error {
errChan <- nil
}()
- select {
- case err := <-errChan:
- return err
- case sig := <-sigChan:
- logrus.Infof("APIServer terminated by signal %v", sig)
- }
-
- return nil
+ return <-errChan
}
// Shutdown is a clean shutdown waiting on existing clients
diff --git a/pkg/domain/infra/abi/play.go b/pkg/domain/infra/abi/play.go
index a7c66bae6..348570a20 100644
--- a/pkg/domain/infra/abi/play.go
+++ b/pkg/domain/infra/abi/play.go
@@ -341,7 +341,7 @@ func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podY
}
named, err := reference.ParseNormalizedNamed(container.Image)
if err != nil {
- return nil, err
+ return nil, errors.Wrapf(err, "Failed to parse image %q", container.Image)
}
// In kube, if the image is tagged with latest, it should always pull
if tagged, isTagged := named.(reference.NamedTagged); isTagged {
diff --git a/pkg/domain/infra/abi/terminal/sigproxy_linux.go b/pkg/domain/infra/abi/terminal/sigproxy_linux.go
index f484e926c..0c586cf5c 100644
--- a/pkg/domain/infra/abi/terminal/sigproxy_linux.go
+++ b/pkg/domain/infra/abi/terminal/sigproxy_linux.go
@@ -5,12 +5,17 @@ import (
"syscall"
"github.com/containers/podman/v2/libpod"
+ "github.com/containers/podman/v2/libpod/shutdown"
"github.com/containers/podman/v2/pkg/signal"
"github.com/sirupsen/logrus"
)
// ProxySignals ...
func ProxySignals(ctr *libpod.Container) {
+ // Stop catching the shutdown signals (SIGINT, SIGTERM) - they're going
+ // to the container now.
+ shutdown.Stop()
+
sigBuffer := make(chan os.Signal, 128)
signal.CatchAll(sigBuffer)
diff --git a/pkg/specgen/generate/namespaces.go b/pkg/specgen/generate/namespaces.go
index 7adb8be6a..7e4f09dc4 100644
--- a/pkg/specgen/generate/namespaces.go
+++ b/pkg/specgen/generate/namespaces.go
@@ -342,7 +342,7 @@ func specConfigureNamespaces(s *specgen.SpecGenerator, g *generate.Generator, rt
return errors.Wrapf(err, "error looking up container to share uts namespace with")
}
hostname = utsCtr.Hostname()
- case s.NetNS.NSMode == specgen.Host || s.UtsNS.NSMode == specgen.Host:
+ case (s.NetNS.NSMode == specgen.Host && hostname == "") || s.UtsNS.NSMode == specgen.Host:
tmpHostname, err := os.Hostname()
if err != nil {
return errors.Wrap(err, "unable to retrieve hostname of the host")
diff --git a/pkg/specgen/generate/ports.go b/pkg/specgen/generate/ports.go
index 7dd50ac0d..5c13c95b2 100644
--- a/pkg/specgen/generate/ports.go
+++ b/pkg/specgen/generate/ports.go
@@ -25,7 +25,12 @@ const (
func parsePortMapping(portMappings []specgen.PortMapping) ([]ocicni.PortMapping, map[string]map[string]map[uint16]uint16, map[string]map[string]map[uint16]uint16, error) {
// First, we need to validate the ports passed in the specgen, and then
// convert them into CNI port mappings.
- finalMappings := []ocicni.PortMapping{}
+ type tempMapping struct {
+ mapping ocicni.PortMapping
+ startOfRange bool
+ isInRange bool
+ }
+ tempMappings := []tempMapping{}
// To validate, we need two maps: one for host ports, one for container
// ports.
@@ -153,18 +158,32 @@ func parsePortMapping(portMappings []specgen.PortMapping) ([]ocicni.PortMapping,
Protocol: p,
HostIP: port.HostIP,
}
- finalMappings = append(finalMappings, cniPort)
+ tempMappings = append(
+ tempMappings,
+ tempMapping{
+ mapping: cniPort,
+ startOfRange: port.Range > 0 && index == 0,
+ isInRange: port.Range > 0,
+ },
+ )
}
}
}
// Handle any 0 host ports now by setting random container ports.
if postAssignHostPort {
- remadeMappings := make([]ocicni.PortMapping, 0, len(finalMappings))
+ remadeMappings := make([]ocicni.PortMapping, 0, len(tempMappings))
+
+ var (
+ candidate int
+ err error
+ )
// Iterate over all
- for _, p := range finalMappings {
- if p.HostPort != 0 {
+ for _, tmp := range tempMappings {
+ p := tmp.mapping
+
+ if p.HostPort != 0 && !tmp.isInRange {
remadeMappings = append(remadeMappings, p)
continue
}
@@ -192,9 +211,15 @@ func parsePortMapping(portMappings []specgen.PortMapping) ([]ocicni.PortMapping,
// Max retries to ensure we don't loop forever.
for i := 0; i < 15; i++ {
- candidate, err := getRandomPort()
- if err != nil {
- return nil, nil, nil, errors.Wrapf(err, "error getting candidate host port for container port %d", p.ContainerPort)
+ // Only get a random candidate for single entries or the start
+ // of a range. Otherwise we just increment the candidate.
+ if !tmp.isInRange || tmp.startOfRange {
+ candidate, err = getRandomPort()
+ if err != nil {
+ return nil, nil, nil, errors.Wrapf(err, "error getting candidate host port for container port %d", p.ContainerPort)
+ }
+ } else {
+ candidate++
}
if hostPortMap[uint16(candidate)] == 0 {
@@ -213,6 +238,11 @@ func parsePortMapping(portMappings []specgen.PortMapping) ([]ocicni.PortMapping,
return remadeMappings, containerPortValidate, hostPortValidate, nil
}
+ finalMappings := []ocicni.PortMapping{}
+ for _, m := range tempMappings {
+ finalMappings = append(finalMappings, m.mapping)
+ }
+
return finalMappings, containerPortValidate, hostPortValidate, nil
}