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Merge pull request #8 from utilitywarehouse/as-upgrade
update go and added test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "os" | ||
| "testing" | ||
|
|
||
| "github.com/google/go-cmp/cmp" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| _ "k8s.io/client-go/plugin/pkg/client/auth" | ||
| stats "k8s.io/kubelet/pkg/apis/stats/v1alpha1" | ||
| ) | ||
|
|
||
| func Test_collectSummaryMetrics(t *testing.T) { | ||
| expectedOut := `# HELP kube_summary_container_logs_available_bytes Number of bytes that aren't consumed by the container logs | ||
| # TYPE kube_summary_container_logs_available_bytes gauge | ||
| kube_summary_container_logs_available_bytes{name="dev-server",namespace="mon",pod="dev-server-0"} 9.0016837632e+10 | ||
| # HELP kube_summary_container_logs_capacity_bytes Number of bytes that can be consumed by the container logs | ||
| # TYPE kube_summary_container_logs_capacity_bytes gauge | ||
| kube_summary_container_logs_capacity_bytes{name="dev-server",namespace="mon",pod="dev-server-0"} 1.01535985664e+11 | ||
| # HELP kube_summary_container_logs_inodes Number of Inodes for logs | ||
| # TYPE kube_summary_container_logs_inodes gauge | ||
| kube_summary_container_logs_inodes{name="dev-server",namespace="mon",pod="dev-server-0"} 2.5474432e+07 | ||
| # HELP kube_summary_container_logs_inodes_free Number of available Inodes for logs | ||
| # TYPE kube_summary_container_logs_inodes_free gauge | ||
| kube_summary_container_logs_inodes_free{name="dev-server",namespace="mon",pod="dev-server-0"} 2.5355212e+07 | ||
| # HELP kube_summary_container_logs_inodes_used Number of used Inodes for logs | ||
| # TYPE kube_summary_container_logs_inodes_used gauge | ||
| kube_summary_container_logs_inodes_used{name="dev-server",namespace="mon",pod="dev-server-0"} 1 | ||
| # HELP kube_summary_container_logs_used_bytes Number of bytes that are consumed by the container logs | ||
| # TYPE kube_summary_container_logs_used_bytes gauge | ||
| kube_summary_container_logs_used_bytes{name="dev-server",namespace="mon",pod="dev-server-0"} 8192 | ||
| # HELP kube_summary_container_rootfs_available_bytes Number of bytes that aren't consumed by the container | ||
| # TYPE kube_summary_container_rootfs_available_bytes gauge | ||
| kube_summary_container_rootfs_available_bytes{name="dev-server",namespace="mon",pod="dev-server-0"} 9.0016837632e+10 | ||
| # HELP kube_summary_container_rootfs_capacity_bytes Number of bytes that can be consumed by the container | ||
| # TYPE kube_summary_container_rootfs_capacity_bytes gauge | ||
| kube_summary_container_rootfs_capacity_bytes{name="dev-server",namespace="mon",pod="dev-server-0"} 1.01535985664e+11 | ||
| # HELP kube_summary_container_rootfs_inodes Number of Inodes | ||
| # TYPE kube_summary_container_rootfs_inodes gauge | ||
| kube_summary_container_rootfs_inodes{name="dev-server",namespace="mon",pod="dev-server-0"} 2.5474432e+07 | ||
| # HELP kube_summary_container_rootfs_inodes_free Number of available Inodes | ||
| # TYPE kube_summary_container_rootfs_inodes_free gauge | ||
| kube_summary_container_rootfs_inodes_free{name="dev-server",namespace="mon",pod="dev-server-0"} 2.5355212e+07 | ||
| # HELP kube_summary_container_rootfs_inodes_used Number of used Inodes | ||
| # TYPE kube_summary_container_rootfs_inodes_used gauge | ||
| kube_summary_container_rootfs_inodes_used{name="dev-server",namespace="mon",pod="dev-server-0"} 14 | ||
| # HELP kube_summary_container_rootfs_used_bytes Number of bytes that are consumed by the container | ||
| # TYPE kube_summary_container_rootfs_used_bytes gauge | ||
| kube_summary_container_rootfs_used_bytes{name="dev-server",namespace="mon",pod="dev-server-0"} 114688 | ||
| # HELP kube_summary_pod_ephemeral_storage_available_bytes Number of bytes of Ephemeral storage that aren't consumed by the pod | ||
| # TYPE kube_summary_pod_ephemeral_storage_available_bytes gauge | ||
| kube_summary_pod_ephemeral_storage_available_bytes{namespace="mon",pod="dev-server-0"} 9.0016837632e+10 | ||
| # HELP kube_summary_pod_ephemeral_storage_capacity_bytes Number of bytes of Ephemeral storage that can be consumed by the pod | ||
| # TYPE kube_summary_pod_ephemeral_storage_capacity_bytes gauge | ||
| kube_summary_pod_ephemeral_storage_capacity_bytes{namespace="mon",pod="dev-server-0"} 1.01535985664e+11 | ||
| # HELP kube_summary_pod_ephemeral_storage_inodes Number of Inodes for pod Ephemeral storage | ||
| # TYPE kube_summary_pod_ephemeral_storage_inodes gauge | ||
| kube_summary_pod_ephemeral_storage_inodes{namespace="mon",pod="dev-server-0"} 2.5474432e+07 | ||
| # HELP kube_summary_pod_ephemeral_storage_inodes_free Number of available Inodes for pod Ephemeral storage | ||
| # TYPE kube_summary_pod_ephemeral_storage_inodes_free gauge | ||
| kube_summary_pod_ephemeral_storage_inodes_free{namespace="mon",pod="dev-server-0"} 2.5355212e+07 | ||
| # HELP kube_summary_pod_ephemeral_storage_inodes_used Number of used Inodes for pod Ephemeral storage | ||
| # TYPE kube_summary_pod_ephemeral_storage_inodes_used gauge | ||
| kube_summary_pod_ephemeral_storage_inodes_used{namespace="mon",pod="dev-server-0"} 63 | ||
| # HELP kube_summary_pod_ephemeral_storage_used_bytes Number of bytes of Ephemeral storage that are consumed by the pod | ||
| # TYPE kube_summary_pod_ephemeral_storage_used_bytes gauge | ||
| kube_summary_pod_ephemeral_storage_used_bytes{namespace="mon",pod="dev-server-0"} 1.33947392e+08 | ||
| ` | ||
|
|
||
| d, err := os.ReadFile("test-summary.json") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| var summary stats.Summary | ||
| registry := prometheus.NewRegistry() | ||
|
|
||
| err = json.Unmarshal(d, &summary) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| collectSummaryMetrics(&summary, registry) | ||
|
|
||
| tmpfile, err := os.CreateTemp("", "test-summary.prom") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| defer os.Remove(tmpfile.Name()) | ||
|
|
||
| if err := prometheus.WriteToTextfile(tmpfile.Name(), registry); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| fileBytes, err := os.ReadFile(tmpfile.Name()) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| if diff := cmp.Diff(string(fileBytes), expectedOut); diff != "" { | ||
| t.Errorf("collectSummaryMetrics() metrics mismatch (-want +got):\n%s", diff) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| apiVersion: v1 | ||
| kind: ServiceAccount | ||
| metadata: | ||
| name: kube-summary-exporter | ||
| --- | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| labels: | ||
| name: kube-summary-exporter | ||
| name: kube-summary-exporter | ||
| spec: | ||
| ports: | ||
| - name: kube-summary-exporter | ||
| protocol: TCP | ||
| port: 9779 | ||
| targetPort: 9779 | ||
| selector: | ||
| app: kube-summary-exporter | ||
| --- | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: kube-summary-exporter | ||
| spec: | ||
| replicas: 1 | ||
| selector: | ||
| matchLabels: | ||
| app: kube-summary-exporter | ||
| template: | ||
| metadata: | ||
| name: kube-summary-exporter | ||
| labels: | ||
| app: kube-summary-exporter | ||
| spec: | ||
| serviceAccountName: kube-summary-exporter | ||
| containers: | ||
| - name: kube-summary-exporter | ||
| image: quay.io/utilitywarehouse/kube-summary-exporter:latest | ||
| ports: | ||
| - name: tcp | ||
| containerPort: 9779 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| apiVersion: kustomize.config.k8s.io/v1beta1 | ||
| kind: Kustomization | ||
| resources: | ||
| - deployment.yaml |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRole | ||
| metadata: | ||
| name: kube-summary-exporter | ||
| rules: | ||
| - apiGroups: [""] | ||
| resources: ["nodes/proxy"] | ||
| verbs: ["get"] | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRoleBinding | ||
| metadata: | ||
| name: kube-summary-exporter | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: ClusterRole | ||
| name: kube-summary-exporter | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: kube-summary-exporter | ||
| namespace: sys-prom |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| apiVersion: kustomize.config.k8s.io/v1beta1 | ||
| kind: Kustomization | ||
| resources: | ||
| - clusterrole.yaml |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| # Scrape config for the Summary API exporter. | ||
| # This assumes that the exporter is available at kube-summary-exporter:9779 | ||
| - job_name: "kubernetes-summary" | ||
| kubernetes_sd_configs: | ||
| - role: node | ||
| relabel_configs: | ||
| - action: labelmap | ||
| regex: __meta_kubernetes_node_label_(.+) | ||
| - source_labels: [__meta_kubernetes_node_name] | ||
| regex: (.+) | ||
| target_label: __metrics_path__ | ||
| replacement: /node/${1} | ||
| - target_label: __address__ | ||
| replacement: kube-summary-exporter:9779 |
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