mirror of https://github.com/ceph/go-ceph
110 lines
2.8 KiB
Go
110 lines
2.8 KiB
Go
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package admintest
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import (
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"errors"
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"os"
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"strconv"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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ccom "github.com/ceph/go-ceph/common/commands"
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"github.com/ceph/go-ceph/internal/commands"
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"github.com/ceph/go-ceph/rados"
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)
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var errTimedOut = errors.New("timed out waiting for connect")
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// DebugTraceEnabled returns true if the environment variable
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// GO_CEPH_TEST_DEBUG_TRACE indicates that the JSON requests and responses
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// should be traced (logged).
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func DebugTraceEnabled() bool {
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dt := os.Getenv("GO_CEPH_TEST_DEBUG_TRACE")
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ok, err := strconv.ParseBool(dt)
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return ok && err == nil
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}
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// NewConn return a new rados connection based on the default config.
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func NewConn(t *testing.T) *rados.Conn {
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return NewConnFromConfig(t, "")
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}
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// NewConnFromConfig returns a new rados connection based on the specified
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// config file. If configFile is the empty string, the default config is
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// used.
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func NewConnFromConfig(t *testing.T, configFile string) *rados.Conn {
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conn, err := rados.NewConn()
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require.NoError(t, err)
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require.NotNil(t, conn)
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if configFile == "" {
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err = conn.ReadDefaultConfigFile()
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require.NoError(t, err)
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} else {
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err = conn.ReadConfigFile(configFile)
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require.NoError(t, err)
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}
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timeout := time.After(time.Second * 5)
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ch := make(chan error)
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go func(conn *rados.Conn) {
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ch <- conn.Connect()
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}(conn)
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select {
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case err = <-ch:
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case <-timeout:
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err = errTimedOut
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}
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require.NoError(t, err)
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return conn
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}
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// WrapConn wraps the given conn in as a "tracer" if so enabled in the
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// environment.
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func WrapConn(conn *rados.Conn) ccom.RadosCommander {
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var c ccom.RadosCommander = conn
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if DebugTraceEnabled() {
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c = commands.NewTraceCommander(conn)
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}
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return c
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}
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// Connector is a caching and convenience type for rados connections.
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// Typically it is instantiated as a global in a go _test.go file.
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type Connector struct {
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conn *rados.Conn
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}
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// NewConnector returns a new Connector.
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func NewConnector() *Connector {
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return &Connector{}
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}
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func (c *Connector) realConn(t *testing.T) *rados.Conn {
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if c.conn == nil {
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c.conn = NewConn(t)
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}
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return c.conn
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}
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// GetConn returns the underlying rados connection, either cached or
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// newly created.
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func (c *Connector) GetConn(t *testing.T) *rados.Conn {
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conn := c.realConn(t)
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// We sleep briefly before returning in order to ensure we have a mgr map
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// before we start executing the tests.
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time.Sleep(50 * time.Millisecond)
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return conn
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}
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// Get returns a RadosCommander that may or may not be wrapped.
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// Typically this is the one you want.
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func (c *Connector) Get(t *testing.T) ccom.RadosCommander {
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conn := WrapConn(c.realConn(t))
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// We sleep briefly before returning in order to ensure we have a mgr map
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// before we start executing the tests.
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time.Sleep(50 * time.Millisecond)
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return conn
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}
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