WIP - start supporting NVME and SCSI drive smart data.

Added addiitonal log message data for Smartctl exit ccode.
2020-08-24 23:01:03 -07:00
parent 794479b28e
commit 5a80ae3e74
14 changed files with 2022 additions and 125 deletions
@@ -0,0 +1,88 @@
+package db
+
+import (
+	"github.com/analogj/scrutiny/webapp/backend/pkg/metadata"
+	"github.com/jinzhu/gorm"
+)
+
+const SmartAttributeStatusPassed = "passed"
+const SmartAttributeStatusFailed = "failed"
+const SmartAttributeStatusWarning = "warn"
+
+type SmartAtaAttribute struct {
+	gorm.Model
+
+	SmartId int    `json:"smart_id"`
+	Smart   Device `json:"-" gorm:"foreignkey:SmartId"` // use SmartId as foreign key
+
+	AttributeId int    `json:"attribute_id"`
+	Name        string `json:"name"`
+	Value       int    `json:"value"`
+	Worst       int    `json:"worst"`
+	Threshold   int    `json:"thresh"`
+	RawValue    int64  `json:"raw_value"`
+	RawString   string `json:"raw_string"`
+	WhenFailed  string `json:"when_failed"`
+
+	TransformedValue int64               `json:"transformed_value"`
+	Status           string              `gorm:"-" json:"status,omitempty"`
+	StatusReason     string              `gorm:"-" json:"status_reason,omitempty"`
+	FailureRate      float64             `gorm:"-" json:"failure_rate,omitempty"`
+	History          []SmartAtaAttribute `gorm:"-" json:"history,omitempty"`
+}
+
+// compare the attribute (raw, normalized, transformed) value to observed thresholds, and update status if necessary
+func (sa *SmartAtaAttribute) MetadataObservedThresholdStatus(smartMetadata metadata.AtaSmartAttribute) {
+	//TODO: multiple rules
+	// try to predict the failure rates for observed thresholds that have 0 failure rate and error bars.
+	// - if the attribute is critical
+	//		- the failure rate is over 10 - set to failed
+	//		- the attribute does not match any threshold, set to warn
+	// - if the attribute is not critical
+	//		- if failure rate is above 20 - set to failed
+	// 		- if failure rate is above 10 but below 20 - set to warn
+
+	//update the smart attribute status based on Observed thresholds.
+	var value int64
+	if smartMetadata.DisplayType == metadata.AtaSmartAttributeDisplayTypeNormalized {
+		value = int64(sa.Value)
+	} else if smartMetadata.DisplayType == metadata.AtaSmartAttributeDisplayTypeTransformed {
+		value = sa.TransformedValue
+	} else {
+		value = sa.RawValue
+	}
+
+	for _, obsThresh := range smartMetadata.ObservedThresholds {
+
+		//check if "value" is in this bucket
+		if ((obsThresh.Low == obsThresh.High) && value == obsThresh.Low) ||
+			(obsThresh.Low < value && value <= obsThresh.High) {
+			sa.FailureRate = obsThresh.AnnualFailureRate
+
+			if smartMetadata.Critical {
+				if obsThresh.AnnualFailureRate >= 0.10 {
+					sa.Status = SmartAttributeStatusFailed
+					sa.StatusReason = "Observed Failure Rate for Critical Attribute is greater than 10%"
+				}
+			} else {
+				if obsThresh.AnnualFailureRate >= 0.20 {
+					sa.Status = SmartAttributeStatusFailed
+					sa.StatusReason = "Observed Failure Rate for Attribute is greater than 20%"
+				} else if obsThresh.AnnualFailureRate >= 0.10 {
+					sa.Status = SmartAttributeStatusWarning
+					sa.StatusReason = "Observed Failure Rate for Attribute is greater than 10%"
+				}
+			}
+
+			//we've found the correct bucket, we can drop out of this loop
+			return
+		}
+	}
+	// no bucket found
+	if smartMetadata.Critical {
+		sa.Status = SmartAttributeStatusWarning
+		sa.StatusReason = "Could not determine Observed Failure Rate for Critical Attribute"
+	}
+
+	return
+}