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51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
package monitor
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import (
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"bytes"
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"github.com/yusing/go-proxy/internal/docker"
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"github.com/yusing/go-proxy/internal/net/types"
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dockerTypes "github.com/docker/docker/api/types"
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"github.com/yusing/go-proxy/internal/watcher/health"
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)
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type DockerHealthMonitor struct {
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*monitor
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client *docker.SharedClient
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containerID string
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fallback health.HealthChecker
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}
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func NewDockerHealthMonitor(client *docker.SharedClient, containerID string, config *health.HealthCheckConfig, fallback health.HealthChecker) *DockerHealthMonitor {
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mon := new(DockerHealthMonitor)
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mon.client = client
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mon.containerID = containerID
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mon.monitor = newMonitor(types.URL{}, config, mon.CheckHealth)
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mon.fallback = fallback
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return mon
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}
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func (mon *DockerHealthMonitor) CheckHealth() (result *health.HealthCheckResult, err error) {
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cont, err := mon.client.ContainerInspect(mon.task.Context(), mon.containerID)
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if err != nil {
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return mon.fallback.CheckHealth()
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}
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if cont.State.Health == nil {
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return mon.fallback.CheckHealth()
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}
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result = new(health.HealthCheckResult)
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result.Healthy = cont.State.Health.Status == dockerTypes.Healthy
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detail := new(bytes.Buffer)
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for _, status := range cont.State.Health.Log {
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detail.WriteString(status.Output)
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detail.WriteString("\n")
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}
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result.Detail = detail.String()
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if len(cont.State.Health.Log) > 0 {
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last := cont.State.Health.Log[len(cont.State.Health.Log)-1].End
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first := cont.State.Health.Log[0].Start
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result.Latency = last.Sub(first)
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}
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return
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}
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