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The driver manager is modeled after the device manager and is started by the client. It's responsible for handling driver lifecycle and reattachment state, as well as processing the incomming fingerprint and task events from each driver. The mananger exposes a method for registering event handlers for task events that is used by the task runner to update the server when a task has been updated with an event. Since driver fingerprinting has been implemented by the driver manager, it is no longer needed in the fingerprint mananger and has been removed.
81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
package allocrunner
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import (
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"sync"
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"testing"
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"github.com/hashicorp/nomad/client/allocwatcher"
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clientconfig "github.com/hashicorp/nomad/client/config"
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"github.com/hashicorp/nomad/client/consul"
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"github.com/hashicorp/nomad/client/devicemanager"
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"github.com/hashicorp/nomad/client/pluginmanager/drivermanager"
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"github.com/hashicorp/nomad/client/state"
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"github.com/hashicorp/nomad/client/vaultclient"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/stretchr/testify/require"
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)
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// MockStateUpdater implements the AllocStateHandler interface and records
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// alloc updates.
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type MockStateUpdater struct {
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Updates []*structs.Allocation
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mu sync.Mutex
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}
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// AllocStateUpdated implements the AllocStateHandler interface and records an
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// alloc update.
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func (m *MockStateUpdater) AllocStateUpdated(alloc *structs.Allocation) {
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m.mu.Lock()
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m.Updates = append(m.Updates, alloc)
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m.mu.Unlock()
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}
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// Last returns a copy of the last alloc (or nil) update. Safe for concurrent
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// access with updates.
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func (m *MockStateUpdater) Last() *structs.Allocation {
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m.mu.Lock()
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defer m.mu.Unlock()
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n := len(m.Updates)
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if n == 0 {
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return nil
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}
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return m.Updates[n-1].Copy()
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}
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// Reset resets the recorded alloc updates.
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func (m *MockStateUpdater) Reset() {
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m.mu.Lock()
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m.Updates = nil
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m.mu.Unlock()
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}
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func testAllocRunnerConfig(t *testing.T, alloc *structs.Allocation) (*Config, func()) {
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clientConf, cleanup := clientconfig.TestClientConfig(t)
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conf := &Config{
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// Copy the alloc in case the caller edits and reuses it
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Alloc: alloc.Copy(),
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Logger: clientConf.Logger,
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ClientConfig: clientConf,
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StateDB: state.NoopDB{},
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Consul: consul.NewMockConsulServiceClient(t, clientConf.Logger),
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Vault: vaultclient.NewMockVaultClient(),
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StateUpdater: &MockStateUpdater{},
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PrevAllocWatcher: allocwatcher.NoopPrevAlloc{},
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PrevAllocMigrator: allocwatcher.NoopPrevAlloc{},
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DeviceManager: devicemanager.NoopMockManager(),
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DriverManager: drivermanager.TestDriverManager(t),
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}
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return conf, cleanup
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}
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func TestAllocRunnerFromAlloc(t *testing.T, alloc *structs.Allocation) (*allocRunner, func()) {
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t.Helper()
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cfg, cleanup := testAllocRunnerConfig(t, alloc)
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ar, err := NewAllocRunner(cfg)
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if err != nil {
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require.NoError(t, err, "Failed to setup AllocRunner")
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}
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return ar, cleanup
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}
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