| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package azure_monitor |
| 4 | |
| 5 | import ( |
| 6 | "fmt" |
| 7 | "sort" |
| 8 | "strings" |
| 9 | |
| 10 | "github.com/netdata/netdata/go/plugins/plugin/framework/charttpl" |
| 11 | "github.com/netdata/netdata/go/plugins/plugin/go.d/collector/azure_monitor/azureprofiles" |
| 12 | "gopkg.in/yaml.v3" |
| 13 | ) |
| 14 | |
| 15 | func buildCollectorRuntimeFromConfig(profileNames []string, profileEntries map[string]ProfileEntryConfig, catalog azureprofiles.Catalog, workloadResourceTagKey string) (*collectorRuntime, error) { |
| 16 | profiles, err := catalog.Resolve(profileNames) |
| 17 | if err != nil { |
| 18 | return nil, err |
| 19 | } |
| 20 | |
| 21 | runtime := &collectorRuntime{ |
| 22 | Profiles: make([]*profileRuntime, 0, len(profiles)), |
| 23 | WorkloadResourceTagKey: stringsLowerTrim(workloadResourceTagKey), |
| 24 | } |
| 25 | |
| 26 | seenProfileNames := make(map[string]struct{}, len(profiles)) |
| 27 | seenChartIDs := make(map[string]struct{}) |
| 28 | |
| 29 | for _, src := range profiles { |
| 30 | p, err := buildProfileRuntime(src, profileEntries[src.Name]) |
| 31 | if err != nil { |
| 32 | return nil, err |
| 33 | } |
| 34 | if _, ok := seenProfileNames[p.Name]; ok { |
| 35 | return nil, fmt.Errorf("profile name collision for profile %q", src.Name) |
| 36 | } |
| 37 | seenProfileNames[p.Name] = struct{}{} |
| 38 | |
| 39 | if err := walkCharts(p.Template, func(chart charttpl.Chart) error { |
| 40 | if _, ok := seenChartIDs[chart.ID]; ok { |
| 41 | return fmt.Errorf("chart id collision: %s", chart.ID) |
| 42 | } |
| 43 | seenChartIDs[chart.ID] = struct{}{} |
| 44 | return nil |
| 45 | }); err != nil { |
| 46 | return nil, err |
| 47 | } |
| 48 | |
| 49 | runtime.Profiles = append(runtime.Profiles, p) |
| 50 | } |
| 51 | |
| 52 | tpl, err := buildChartTemplate(runtime) |
| 53 | if err != nil { |
| 54 | return nil, err |
| 55 | } |
| 56 | runtime.ChartTemplateYAML = tpl |
| 57 | |
| 58 | return runtime, nil |
| 59 | } |
| 60 | |
| 61 | func buildProfileRuntime(resolved azureprofiles.ResolvedProfile, entry ProfileEntryConfig) (*profileRuntime, error) { |
| 62 | profileName := stringsTrim(resolved.Name) |
| 63 | if profileName == "" { |
| 64 | return nil, fmt.Errorf("profile has empty name") |
| 65 | } |
| 66 | |
| 67 | displayName := stringsTrim(resolved.Config.DisplayName) |
| 68 | if displayName == "" { |
| 69 | return nil, fmt.Errorf("profile %q has empty display_name", profileName) |
| 70 | } |
| 71 | |
| 72 | resourceType := stringsTrim(resolved.Config.ResourceType) |
| 73 | metricNamespace := stringsTrim(resolved.Config.MetricNamespace) |
| 74 | if metricNamespace == "" { |
| 75 | metricNamespace = resourceType |
| 76 | } |
| 77 | |
| 78 | out := &profileRuntime{ |
| 79 | Name: profileName, |
| 80 | DisplayName: displayName, |
| 81 | ResourceType: resourceType, |
| 82 | MetricNamespace: metricNamespace, |
| 83 | Filters: cloneResourceFilters(entry.Filters), |
| 84 | Metrics: make([]*metricRuntime, 0, len(resolved.Config.Metrics)), |
| 85 | } |
| 86 | |
| 87 | for _, m := range resolved.Config.Metrics { |
| 88 | grain := strings.ToUpper(stringsTrim(m.TimeGrain)) |
| 89 | if grain == "" { |
| 90 | grain = "PT1M" |
| 91 | } |
| 92 | grainEvery, ok := azureprofiles.SupportedTimeGrains[grain] |
| 93 | if !ok { |
| 94 | return nil, fmt.Errorf("profile %q metric %q has unsupported time grain %q", profileName, m.ID, grain) |
| 95 | } |
| 96 | |
| 97 | mr := &metricRuntime{ |
| 98 | ID: stringsTrim(m.ID), |
| 99 | AzureName: stringsTrim(m.AzureName), |
| 100 | TimeGrain: grain, |
| 101 | TimeGrainEvery: grainEvery, |
| 102 | Series: make([]*seriesRuntime, 0, len(m.Series)), |
| 103 | } |
| 104 | |
| 105 | for _, s := range m.Series { |
| 106 | aggregation := azureprofiles.NormalizeAggregation(s.Aggregation) |
| 107 | mr.Series = append(mr.Series, &seriesRuntime{ |
| 108 | Aggregation: aggregation, |
| 109 | Kind: azureprofiles.NormalizeSeriesKind(s.Kind), |
| 110 | Instrument: azureprofiles.ExportedSeriesName(profileName, m.ID, aggregation), |
| 111 | }) |
| 112 | } |
| 113 | |
| 114 | sort.Slice(mr.Series, func(i, j int) bool { |
| 115 | return mr.Series[i].Aggregation < mr.Series[j].Aggregation |
| 116 | }) |
| 117 | out.Metrics = append(out.Metrics, mr) |
| 118 | } |
| 119 | |
| 120 | sort.Slice(out.Metrics, func(i, j int) bool { |
| 121 | return out.Metrics[i].ID < out.Metrics[j].ID |
| 122 | }) |
| 123 | |
| 124 | out.Template = resolved.Config.Template |
| 125 | out.Template.Metrics = profileMetricsList(out) |
| 126 | return out, nil |
| 127 | } |
| 128 | |
| 129 | func buildChartTemplate(runtime *collectorRuntime) (string, error) { |
| 130 | spec := charttpl.Spec{ |
| 131 | Version: charttpl.VersionV1, |
| 132 | ContextNamespace: "azure_monitor", |
| 133 | Groups: make([]charttpl.Group, 0, len(runtime.Profiles)), |
| 134 | } |
| 135 | |
| 136 | for _, p := range runtime.Profiles { |
| 137 | spec.Groups = append(spec.Groups, p.Template) |
| 138 | } |
| 139 | |
| 140 | if err := spec.Validate(); err != nil { |
| 141 | return "", err |
| 142 | } |
| 143 | |
| 144 | raw, err := yaml.Marshal(spec) |
| 145 | if err != nil { |
| 146 | return "", err |
| 147 | } |
| 148 | return string(raw), nil |
| 149 | } |
| 150 | |
| 151 | func profileMetricsList(p *profileRuntime) []string { |
| 152 | list := make([]string, 0) |
| 153 | for _, metric := range p.Metrics { |
| 154 | for _, series := range metric.Series { |
| 155 | list = append(list, series.Instrument) |
| 156 | } |
| 157 | } |
| 158 | sort.Strings(list) |
| 159 | return list |
| 160 | } |
| 161 | |
| 162 | func walkCharts(group charttpl.Group, fn func(charttpl.Chart) error) error { |
| 163 | for _, chart := range group.Charts { |
| 164 | if err := fn(chart); err != nil { |
| 165 | return err |
| 166 | } |
| 167 | } |
| 168 | for _, child := range group.Groups { |
| 169 | if err := walkCharts(child, fn); err != nil { |
| 170 | return err |
| 171 | } |
| 172 | } |
| 173 | return nil |
| 174 | } |