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-rw-r--r--libpod/container_api.go20
-rw-r--r--libpod/container_internal.go5
2 files changed, 25 insertions, 0 deletions
diff --git a/libpod/container_api.go b/libpod/container_api.go
index be7fd76bc..2b3c83eb2 100644
--- a/libpod/container_api.go
+++ b/libpod/container_api.go
@@ -90,6 +90,18 @@ func (c *Container) Init() (err error) {
return errors.Wrapf(err, "unable to copy /etc/hosts to container space")
}
+ if c.Spec().Hostname == "" {
+ id := c.ID()
+ if len(c.ID()) > 11 {
+ id = c.ID()[:12]
+ }
+ c.config.Spec.Hostname = id
+ }
+ runDirHostname, err := c.generateEtcHostname(c.config.Spec.Hostname)
+ if err != nil {
+ return errors.Wrapf(err, "unable to generate hostname file for container")
+ }
+
// Save OCI spec to disk
g := generate.NewFromSpec(c.config.Spec)
// If network namespace was requested, add it now
@@ -122,6 +134,14 @@ func (c *Container) Init() (err error) {
Options: []string{"rw", "bind"},
}
g.AddMount(hostsMnt)
+ // Bind hostname
+ hostnameMnt := spec.Mount{
+ Type: "bind",
+ Source: runDirHostname,
+ Destination: "/etc/hostname",
+ Options: []string{"rw", "bind"},
+ }
+ g.AddMount(hostnameMnt)
if c.config.User != "" {
if !c.state.Mounted {
diff --git a/libpod/container_internal.go b/libpod/container_internal.go
index c052f61fe..9b785bfa5 100644
--- a/libpod/container_internal.go
+++ b/libpod/container_internal.go
@@ -508,3 +508,8 @@ func (c *Container) generateHosts() (string, error) {
}
return c.WriteStringToRundir("hosts", hosts)
}
+
+// generateEtcHostname creates a containers /etc/hostname
+func (c *Container) generateEtcHostname(hostname string) (string, error) {
+ return c.WriteStringToRundir("hostname", hostname)
+}