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fix: allow multiple --type flags for metrics commands #649

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Dec 19, 2023
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24 changes: 20 additions & 4 deletions internal/cmd/loadbalancer/metrics.go
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"context"
"encoding/json"
"fmt"
"slices"
"sort"
"strconv"
"time"
Expand All @@ -20,6 +21,13 @@ import (
"github.com/hetznercloud/hcloud-go/v2/hcloud"
)

var metricTypeStrings = []string{
string(hcloud.LoadBalancerMetricOpenConnections),
string(hcloud.LoadBalancerMetricConnectionsPerSecond),
string(hcloud.LoadBalancerMetricRequestsPerSecond),
string(hcloud.LoadBalancerMetricBandwidth),
}

var MetricsCmd = base.Cmd{
BaseCobraCommand: func(client hcapi2.Client) *cobra.Command {
cmd := &cobra.Command{
Expand All @@ -31,9 +39,9 @@ var MetricsCmd = base.Cmd{
DisableFlagsInUseLine: true,
}

cmd.Flags().String("type", "", "Type of metrics you want to show")
cmd.Flags().StringSlice("type", nil, "Types of metrics you want to show")
cmd.MarkFlagRequired("type")
cmd.RegisterFlagCompletionFunc("type", cmpl.SuggestCandidates("open_connections", "connections_per_second", "requests_per_second", "bandwidth"))
cmd.RegisterFlagCompletionFunc("type", cmpl.SuggestCandidates(metricTypeStrings...))

cmd.Flags().String("start", "", "ISO 8601 timestamp")
cmd.Flags().String("end", "", "ISO 8601 timestamp")
Expand All @@ -53,7 +61,15 @@ var MetricsCmd = base.Cmd{
return fmt.Errorf("LoadBalancer not found: %s", idOrName)
}

metricType, _ := cmd.Flags().GetString("type")
metricTypesStr, _ := cmd.Flags().GetStringSlice("type")
var metricTypes []hcloud.LoadBalancerMetricType
for _, t := range metricTypesStr {
if slices.Contains(metricTypeStrings, t) {
metricTypes = append(metricTypes, hcloud.LoadBalancerMetricType(t))
} else {
return fmt.Errorf("invalid metric type: %s", t)
}
}

start, _ := cmd.Flags().GetString("start")
startTime := time.Now().Add(-30 * time.Minute)
Expand All @@ -74,7 +90,7 @@ var MetricsCmd = base.Cmd{
}

m, resp, err := client.LoadBalancer().GetMetrics(ctx, LoadBalancer, hcloud.LoadBalancerGetMetricsOpts{
Types: []hcloud.LoadBalancerMetricType{hcloud.LoadBalancerMetricType(metricType)},
Types: metricTypes,
Start: startTime,
End: endTime,
})
Expand Down
23 changes: 19 additions & 4 deletions internal/cmd/server/metrics.go
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"context"
"encoding/json"
"fmt"
"slices"
"sort"
"strconv"
"time"
Expand All @@ -20,6 +21,12 @@ import (
"github.com/hetznercloud/hcloud-go/v2/hcloud"
)

var metricTypeStrings = []string{
string(hcloud.ServerMetricCPU),
string(hcloud.ServerMetricDisk),
string(hcloud.ServerMetricNetwork),
}

var MetricsCmd = base.Cmd{
BaseCobraCommand: func(client hcapi2.Client) *cobra.Command {
cmd := &cobra.Command{
Expand All @@ -31,9 +38,9 @@ var MetricsCmd = base.Cmd{
DisableFlagsInUseLine: true,
}

cmd.Flags().String("type", "", "Type of metrics you want to show")
cmd.Flags().StringSlice("type", nil, "Types of metrics you want to show")
cmd.MarkFlagRequired("type")
cmd.RegisterFlagCompletionFunc("type", cmpl.SuggestCandidates("cpu", "disk", "network"))
cmd.RegisterFlagCompletionFunc("type", cmpl.SuggestCandidates(metricTypeStrings...))

cmd.Flags().String("start", "", "ISO 8601 timestamp")
cmd.Flags().String("end", "", "ISO 8601 timestamp")
Expand All @@ -53,7 +60,15 @@ var MetricsCmd = base.Cmd{
return fmt.Errorf("server not found: %s", idOrName)
}

metricType, _ := cmd.Flags().GetString("type")
metricTypesStr, _ := cmd.Flags().GetStringSlice("type")
var metricTypes []hcloud.ServerMetricType
for _, t := range metricTypesStr {
if slices.Contains(metricTypeStrings, t) {
metricTypes = append(metricTypes, hcloud.ServerMetricType(t))
} else {
return fmt.Errorf("invalid metric type: %s", t)
}
}

start, _ := cmd.Flags().GetString("start")
startTime := time.Now().Add(-30 * time.Minute)
Expand All @@ -74,7 +89,7 @@ var MetricsCmd = base.Cmd{
}

m, resp, err := client.Server().GetMetrics(ctx, server, hcloud.ServerGetMetricsOpts{
Types: []hcloud.ServerMetricType{hcloud.ServerMetricType(metricType)},
Types: metricTypes,
Start: startTime,
End: endTime,
})
Expand Down