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Extract port-mapping validation to a function

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Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2018-12-19 01:13:54 +01:00
parent e1809510ca
commit c0697c27aa
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GPG key ID: 76698F39D527CE8C
1 changed files with 18 additions and 12 deletions
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30
daemon/container.go
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@ -295,19 +295,9 @@ func (daemon *Daemon) verifyContainerSettings(platform string, hostConfig *conta
}
}
for port := range hostConfig.PortBindings {
_, portStr := nat.SplitProtoPort(string(port))
if _, err := nat.ParsePort(portStr); err != nil {
return nil, errors.Errorf("invalid port specification: %q", portStr)
}
for _, pb := range hostConfig.PortBindings[port] {
_, err := nat.NewPort(nat.SplitProtoPort(pb.HostPort))
if err != nil {
return nil, errors.Errorf("invalid port specification: %q", pb.HostPort)
}
}
if err := validatePortBindings(hostConfig.PortBindings); err != nil {
return nil, err
}
if err := validateRestartPolicy(hostConfig.RestartPolicy); err != nil {
return nil, err
}
@ -343,6 +333,22 @@ func validateHealthCheck(healthConfig *containertypes.HealthConfig) error {
return nil
}
func validatePortBindings(ports nat.PortMap) error {
for port := range ports {
_, portStr := nat.SplitProtoPort(string(port))
if _, err := nat.ParsePort(portStr); err != nil {
return errors.Errorf("invalid port specification: %q", portStr)
}
for _, pb := range ports[port] {
_, err := nat.NewPort(nat.SplitProtoPort(pb.HostPort))
if err != nil {
return errors.Errorf("invalid port specification: %q", pb.HostPort)
}
}
}
return nil
}
func validateRestartPolicy(policy containertypes.RestartPolicy) error {
switch policy.Name {
case "always", "unless-stopped", "no":