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72 lines
1.9 KiB
72 lines
1.9 KiB
package util
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import (
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"net"
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"os"
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"path/filepath"
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"github.com/rancher/k3s/pkg/daemons/config"
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"github.com/rancher/k3s/pkg/daemons/control/deps"
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)
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// GenerateDataDir creates a temporary directory at "/tmp/k3s/<RANDOM_STRING>/".
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// The latest directory created with this function is soft linked to "/tmp/k3s/latest/".
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// This allows tests to replicate the "/var/lib/rancher/k3s" directory structure.
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func GenerateDataDir(cnf *config.Control) error {
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if err := os.MkdirAll(cnf.DataDir, 0700); err != nil {
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return err
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}
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testDir, err := os.MkdirTemp(cnf.DataDir, "*")
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if err != nil {
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return err
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}
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// Remove old symlink and add new one
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os.Remove(filepath.Join(cnf.DataDir, "latest"))
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if err = os.Symlink(testDir, filepath.Join(cnf.DataDir, "latest")); err != nil {
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return err
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}
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cnf.DataDir = testDir
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cnf.DataDir, err = filepath.Abs(cnf.DataDir)
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if err != nil {
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return err
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}
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return nil
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}
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// CleanupDataDir removes the associated "/tmp/k3s/<RANDOM_STRING>"
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// directory along with the 'latest' symlink that points at it.
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func CleanupDataDir(cnf *config.Control) {
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os.Remove(filepath.Join(cnf.DataDir, "..", "latest"))
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os.RemoveAll(cnf.DataDir)
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}
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// GenerateRuntime creates a temporary data dir and configures
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// config.ControlRuntime with all the appropriate certificate keys.
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func GenerateRuntime(cnf *config.Control) error {
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runtime := &config.ControlRuntime{}
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if err := GenerateDataDir(cnf); err != nil {
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return err
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}
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os.MkdirAll(filepath.Join(cnf.DataDir, "tls"), 0700)
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os.MkdirAll(filepath.Join(cnf.DataDir, "cred"), 0700)
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deps.CreateRuntimeCertFiles(cnf, runtime)
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if err := deps.GenServerDeps(cnf, runtime); err != nil {
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return err
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}
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cnf.Runtime = runtime
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return nil
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}
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func ClusterIPNet() *net.IPNet {
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_, clusterIPNet, _ := net.ParseCIDR("10.42.0.0/16")
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return clusterIPNet
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}
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func ServiceIPNet() *net.IPNet {
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_, serviceIPNet, _ := net.ParseCIDR("10.43.0.0/16")
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return serviceIPNet
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}
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