[#242] pool: Log error that caused healthy status change
Signed-off-by: Marina Biryukova <m.biryukova@yadro.com>
This commit is contained in:
parent
7e94a6adf2
commit
fa89999d91
2 changed files with 21 additions and 16 deletions
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@ -195,9 +195,9 @@ func (m *mockClient) dial(context.Context) error {
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return nil
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return nil
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}
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}
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func (m *mockClient) restartIfUnhealthy(ctx context.Context) (healthy bool, changed bool) {
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func (m *mockClient) restartIfUnhealthy(ctx context.Context) (changed bool, err error) {
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_, err := m.endpointInfo(ctx, prmEndpointInfo{})
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_, err = m.endpointInfo(ctx, prmEndpointInfo{})
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healthy = err == nil
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healthy := err == nil
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changed = healthy != m.isHealthy()
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changed = healthy != m.isHealthy()
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if healthy {
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if healthy {
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m.setHealthy()
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m.setHealthy()
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31
pool/pool.go
31
pool/pool.go
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@ -86,7 +86,7 @@ type client interface {
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// see clientWrapper.dial.
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// see clientWrapper.dial.
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dial(ctx context.Context) error
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dial(ctx context.Context) error
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// see clientWrapper.restartIfUnhealthy.
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// see clientWrapper.restartIfUnhealthy.
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restartIfUnhealthy(ctx context.Context) (bool, bool)
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restartIfUnhealthy(ctx context.Context) (bool, error)
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// see clientWrapper.close.
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// see clientWrapper.close.
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close() error
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close() error
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}
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}
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@ -373,11 +373,11 @@ func (c *clientWrapper) dial(ctx context.Context) error {
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}
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}
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// restartIfUnhealthy checks healthy status of client and recreate it if status is unhealthy.
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// restartIfUnhealthy checks healthy status of client and recreate it if status is unhealthy.
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// Return current healthy status and indicating if status was changed by this function call.
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// Indicating if status was changed by this function call and returns error that caused unhealthy status.
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func (c *clientWrapper) restartIfUnhealthy(ctx context.Context) (healthy, changed bool) {
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func (c *clientWrapper) restartIfUnhealthy(ctx context.Context) (changed bool, err error) {
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var wasHealthy bool
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var wasHealthy bool
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if _, err := c.endpointInfo(ctx, prmEndpointInfo{}); err == nil {
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if _, err = c.endpointInfo(ctx, prmEndpointInfo{}); err == nil {
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return true, false
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return false, nil
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} else if !errors.Is(err, errPoolClientUnhealthy) {
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} else if !errors.Is(err, errPoolClientUnhealthy) {
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wasHealthy = true
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wasHealthy = true
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}
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}
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@ -403,22 +403,22 @@ func (c *clientWrapper) restartIfUnhealthy(ctx context.Context) (healthy, change
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GRPCDialOptions: c.prm.dialOptions,
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GRPCDialOptions: c.prm.dialOptions,
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}
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}
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if err := cl.Dial(ctx, prmDial); err != nil {
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if err = cl.Dial(ctx, prmDial); err != nil {
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c.setUnhealthyOnDial()
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c.setUnhealthyOnDial()
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return false, wasHealthy
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return wasHealthy, err
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}
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}
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c.clientMutex.Lock()
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c.clientMutex.Lock()
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c.client = &cl
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c.client = &cl
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c.clientMutex.Unlock()
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c.clientMutex.Unlock()
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if _, err := cl.EndpointInfo(ctx, sdkClient.PrmEndpointInfo{}); err != nil {
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if _, err = cl.EndpointInfo(ctx, sdkClient.PrmEndpointInfo{}); err != nil {
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c.setUnhealthy()
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c.setUnhealthy()
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return false, wasHealthy
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return wasHealthy, err
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}
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}
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c.setHealthy()
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c.setHealthy()
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return true, !wasHealthy
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return !wasHealthy, nil
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}
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}
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func (c *clientWrapper) getClient() (*sdkClient.Client, error) {
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func (c *clientWrapper) getClient() (*sdkClient.Client, error) {
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@ -2198,7 +2198,8 @@ func (p *Pool) updateInnerNodesHealth(ctx context.Context, i int, bufferWeights
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tctx, c := context.WithTimeout(ctx, options.nodeRequestTimeout)
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tctx, c := context.WithTimeout(ctx, options.nodeRequestTimeout)
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defer c()
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defer c()
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healthy, changed := cli.restartIfUnhealthy(tctx)
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changed, err := cli.restartIfUnhealthy(tctx)
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healthy := err == nil
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if healthy {
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if healthy {
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bufferWeights[j] = options.nodesParams[i].weights[j]
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bufferWeights[j] = options.nodesParams[i].weights[j]
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} else {
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} else {
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@ -2207,8 +2208,12 @@ func (p *Pool) updateInnerNodesHealth(ctx context.Context, i int, bufferWeights
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}
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}
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if changed {
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if changed {
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p.log(zap.DebugLevel, "health has changed",
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fields := []zap.Field{zap.String("address", cli.address()), zap.Bool("healthy", healthy)}
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zap.String("address", cli.address()), zap.Bool("healthy", healthy))
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if err != nil {
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fields = append(fields, zap.String("reason", err.Error()))
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}
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p.log(zap.DebugLevel, "health has changed", fields...)
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healthyChanged.Store(true)
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healthyChanged.Store(true)
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}
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}
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}(j, cli)
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}(j, cli)
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