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Fix aws routes per routetable and Pagination for VPCInterfaceEndpoints #43

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Fix aws routes per routetable and Pagination for VPCInterfaceEndpoints #43

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34 changes: 24 additions & 10 deletions vpc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -207,12 +207,12 @@ func (c *VPCCollector) collectRoutesPerRouteTableUsage(ch chan<- prometheus.Metr
descRouteTableOutput, err := c.ec2.DescribeRouteTablesWithContext(ctx, &ec2.DescribeRouteTablesInput{
RouteTableIds: []*string{rtb.RouteTableId},
})
if err != nil {
if err != nil || len(descRouteTableOutput.RouteTables) != 1 {
level.Error(c.e.logger).Log("msg", "Call to DescribeRouteTables failed", "region", c.region, "err", err)
exporterMetrics.IncrementErrors()
return
}
quota := len(descRouteTableOutput.RouteTables)
quota := len(descRouteTableOutput.RouteTables[0].Routes)
ch <- prometheus.MustNewConstMetric(c.e.RoutesPerRouteTableUsage, prometheus.GaugeValue, float64(quota), *c.region, *rtb.VpcId, *rtb.RouteTableId)
}

Expand All @@ -229,19 +229,33 @@ func (c *VPCCollector) collectInterfaceVpcEndpointsPerVpcQuota(ch chan<- prometh
func (c *VPCCollector) collectInterfaceVpcEndpointsPerVpcUsage(ch chan<- prometheus.Metric, vpc *ec2.Vpc) {
ctx, cancelFunc := context.WithTimeout(context.Background(), c.e.timeout)
defer cancelFunc()
descVpcEndpoints, err := c.ec2.DescribeVpcEndpointsWithContext(ctx, &ec2.DescribeVpcEndpointsInput{
Filters: []*ec2.Filter{{
Name: aws.String("vpc-id"),
Values: []*string{vpc.VpcId},
}},
})

numEndpoints := 0
descEndpointsInput := &ec2.DescribeVpcEndpointsInput{
Filters: []*ec2.Filter{{Name: aws.String("vpc-id"), Values: []*string{vpc.VpcId}}},
MaxResults: aws.Int64(1000),
}

descEndpointsOutput, err := c.ec2.DescribeVpcEndpointsWithContext(ctx, descEndpointsInput)
if err != nil {
level.Error(c.e.logger).Log("msg", "Call to DescribeVpcEndpoints failed", "region", c.region, "err", err)
exporterMetrics.IncrementErrors()
return
}
quota := len(descVpcEndpoints.VpcEndpoints)
ch <- prometheus.MustNewConstMetric(c.e.InterfaceVpcEndpointsPerVpcUsage, prometheus.GaugeValue, float64(quota), *c.region, *vpc.VpcId)
numEndpoints += len(descEndpointsOutput.VpcEndpoints)

for descEndpointsOutput.NextToken != nil {
descEndpointsInput.SetNextToken(*descEndpointsOutput.NextToken)
descEndpointsOutput, err = c.ec2.DescribeVpcEndpointsWithContext(ctx, descEndpointsInput)
if err != nil {
level.Error(c.e.logger).Log("msg", "Call to DescribeVpcEndpoints failed", "region", *c.region, "err", err)
exporterMetrics.IncrementErrors()
return
}
numEndpoints += len(descEndpointsOutput.VpcEndpoints)
}

ch <- prometheus.MustNewConstMetric(c.e.InterfaceVpcEndpointsPerVpcUsage, prometheus.GaugeValue, float64(numEndpoints), *c.region, *vpc.VpcId)
}

func (c *VPCCollector) collectRoutesTablesPerVpcQuota(ch chan<- prometheus.Metric) {
Expand Down