diff --git a/charts/generic/generic.chartserviceversion.yaml b/charts/generic/generic.chartserviceversion.yaml index 4641f57..0d1d26d 100644 --- a/charts/generic/generic.chartserviceversion.yaml +++ b/charts/generic/generic.chartserviceversion.yaml @@ -37,6 +37,7 @@ spec: - pod-cpu-hog-exec - pod-memory-hog-exec - pod-network-partition + - pod-http-latency keywords: - Kubernetes - K8S @@ -53,6 +54,7 @@ spec: - Service - DNS - Scale + - Http maintainers: - name: ksatchit email: karthik.s@mayadata.io diff --git a/charts/generic/generic.package.yaml b/charts/generic/generic.package.yaml index 68ddab6..d324cae 100644 --- a/charts/generic/generic.package.yaml +++ b/charts/generic/generic.package.yaml @@ -75,3 +75,6 @@ experiments: - name: pod-network-partition CSV: pod-network-partition.chartserviceversion.yaml desc: "pod-network-partition" + - name: pod-http-latency + CSV: pod-http-latency.chartserviceversion.yaml + desc: "pod-http-latency" diff --git a/charts/generic/icons/pod-http-latency.png b/charts/generic/icons/pod-http-latency.png new file mode 100644 index 0000000..5d13f6b Binary files /dev/null and b/charts/generic/icons/pod-http-latency.png differ diff --git a/charts/generic/pod-http-latency/engine.yaml b/charts/generic/pod-http-latency/engine.yaml new file mode 100644 index 0000000..bc226d8 --- /dev/null +++ b/charts/generic/pod-http-latency/engine.yaml @@ -0,0 +1,41 @@ +apiVersion: litmuschaos.io/v1alpha1 +kind: ChaosEngine +metadata: + name: nginx-http-chaos + namespace: default +spec: + # It can be active/stop + engineState: 'active' + appinfo: + appns: 'default' + # FYI, To see app label, apply kubectl get pods --show-labels + applabel: 'app=nginx' + appkind: 'deployment' + chaosServiceAccount: pod-http-latency-sa + experiments: + - name: pod-http-latency + spec: + components: + env: + - name: TOTAL_CHAOS_DURATION + value: '60' # in seconds + + - name: LATENCY + value: '2000' #in ms + + # port of the target service + - name: TARGET_SERVICE_PORT + value: "80" + + # provide the name of container runtime + # it supports docker, containerd, crio + - name: CONTAINER_RUNTIME + value: 'docker' + + # provide the socket file path + - name: SOCKET_PATH + value: '/var/run/docker.sock' + + ## percentage of total pods to target + - name: PODS_AFFECTED_PERC + value: '' diff --git a/charts/generic/pod-http-latency/experiment.yaml b/charts/generic/pod-http-latency/experiment.yaml new file mode 100644 index 0000000..79ab473 --- /dev/null +++ b/charts/generic/pod-http-latency/experiment.yaml @@ -0,0 +1,134 @@ +apiVersion: litmuschaos.io/v1alpha1 +description: + message: | + Injects http request latency on pods belonging to an app deployment +kind: ChaosExperiment +metadata: + name: pod-http-latency + labels: + name: pod-http-latency + app.kubernetes.io/part-of: litmus + app.kubernetes.io/component: chaosexperiment + app.kubernetes.io/version: latest +spec: + definition: + scope: Namespaced + permissions: + # Create and monitor the experiment & helper pods + - apiGroups: [""] + resources: ["pods"] + verbs: ["create","delete","get","list","patch","update", "deletecollection"] + # Performs CRUD operations on the events inside chaosengine and chaosresult + - apiGroups: [""] + resources: ["events"] + verbs: ["create","get","list","patch","update"] + # Fetch configmaps details and mount it to the experiment pod (if specified) + - apiGroups: [""] + resources: ["configmaps"] + verbs: ["get","list",] + # Track and get the runner, experiment, and helper pods log + - apiGroups: [""] + resources: ["pods/log"] + verbs: ["get","list","watch"] + # for creating and managing to execute comands inside target container + - apiGroups: [""] + resources: ["pods/exec"] + verbs: ["get","list","create"] + # deriving the parent/owner details of the pod(if parent is anyof {deployment, statefulset, daemonsets}) + - apiGroups: ["apps"] + resources: ["deployments","statefulsets","replicasets", "daemonsets"] + verbs: ["list","get"] + # deriving the parent/owner details of the pod(if parent is deploymentConfig) + - apiGroups: ["apps.openshift.io"] + resources: ["deploymentconfigs"] + verbs: ["list","get"] + # deriving the parent/owner details of the pod(if parent is deploymentConfig) + - apiGroups: [""] + resources: ["replicationcontrollers"] + verbs: ["get","list"] + # deriving the parent/owner details of the pod(if parent is argo-rollouts) + - apiGroups: ["argoproj.io"] + resources: ["rollouts"] + verbs: ["list","get"] + # for configuring and monitor the experiment job by the chaos-runner pod + - apiGroups: ["batch"] + resources: ["jobs"] + verbs: ["create","list","get","delete","deletecollection"] + # for creation, status polling and deletion of litmus chaos resources used within a chaos workflow + - apiGroups: ["litmuschaos.io"] + resources: ["chaosengines","chaosexperiments","chaosresults"] + verbs: ["create","list","get","patch","update","delete"] + image: "litmuschaos/go-runner:latest" + imagePullPolicy: Always + args: + - -c + - ./experiments -name pod-http-latency + command: + - /bin/bash + env: + + - name: TARGET_CONTAINER + value: '' + + # provide lib image + - name: LIB_IMAGE + value: 'litmuschaos/go-runner:latest' + + - name: LATENCY + value: '2000' #in ms + + # port of the target service + - name: TARGET_SERVICE_PORT + value: "80" + + # port on which the proxy will listen + - name: PROXY_PORT + value: "20000" + + # network interface on which the proxy will listen + - name: NETWORK_INTERFACE + value: "eth0" + + - name: TOTAL_CHAOS_DURATION + value: '60' # in seconds + + # Time period to wait before and after injection of chaos in sec + - name: RAMP_TIME + value: '' + + # lib can be litmus or pumba + - name: LIB + value: 'litmus' + + # percentage of total pods to target + - name: PODS_AFFECTED_PERC + value: '' + + - name: TARGET_PODS + value: '' + + # provide the name of container runtime + # for litmus LIB, it supports docker, containerd, crio + # for pumba LIB, it supports docker only + - name: CONTAINER_RUNTIME + value: 'docker' + + # provide the socket file path + - name: SOCKET_PATH + value: '/var/run/docker.sock' + + # To select pods on specific node(s) + - name: NODE_LABEL + value: '' + + ## it defines the sequence of chaos execution for multiple target pods + ## supported values: serial, parallel + - name: SEQUENCE + value: 'parallel' + + labels: + name: pod-http-latency + app.kubernetes.io/part-of: litmus + app.kubernetes.io/component: experiment-job + app.kubernetes.io/runtime-api-usage: "true" + app.kubernetes.io/version: latest diff --git a/charts/generic/pod-http-latency/pod-network-latency.chartserviceversion.yaml b/charts/generic/pod-http-latency/pod-network-latency.chartserviceversion.yaml new file mode 100644 index 0000000..b363a99 --- /dev/null +++ b/charts/generic/pod-http-latency/pod-network-latency.chartserviceversion.yaml @@ -0,0 +1,45 @@ +apiVersion: litmuchaos.io/v1alpha1 +kind: ChartServiceVersion +metadata: + createdAt: 2019-10-11T10:28:08Z + name: pod-http-latency + version: 0.1.0 + annotations: + categories: Kubernetes + vendor: CNCF + support: https://slack.kubernetes.io/ +spec: + displayName: pod-http-latency + categoryDescription: | + Pod-http-latency contains chaos to disrupt http requests of kubernetes pods. This experiment can inject random http response delays on the app replica pods. + - Causes flaky access to application replica by injecting http response delay using toxiproxy. + - The application pod should be healthy once chaos is stopped. Service-requests should be served despite chaos. + keywords: + - Kubernetes + - K8S + - HTTP + - Pod + - Latency + platforms: + - GKE + - Minikube + - EKS + maturity: alpha + maintainers: + - name: Akash Shrivastava + email: akash.shrivastava@harness.io + minKubeVersion: 1.12.0 + provider: + name: Harness + labels: + app.kubernetes.io/component: chartserviceversion + app.kubernetes.io/version: latest + links: + - name: Source Code + url: https://github.com/litmuschaos/litmus-go/tree/master/experiments/generic/pod-http-latency + - name: Documentation + url: https://litmuschaos.github.io/litmus/experiments/categories/pods/pod-http-latency/ + icon: + - base64data: "" + mediatype: "" + chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/pod-http-latency/experiment.yaml diff --git a/charts/generic/pod-http-latency/rbac-psp.yaml b/charts/generic/pod-http-latency/rbac-psp.yaml new file mode 100644 index 0000000..3b472ee --- /dev/null +++ b/charts/generic/pod-http-latency/rbac-psp.yaml @@ -0,0 +1,85 @@ +--- +apiVersion: v1 +kind: ServiceAccount +metadata: + name: pod-http-latency-sa + namespace: default + labels: + name: pod-http-latency-sa + app.kubernetes.io/part-of: litmus +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: Role +metadata: + name: pod-http-latency-sa + namespace: default + labels: + name: pod-http-latency-sa + app.kubernetes.io/part-of: litmus +rules: + # Create and monitor the experiment & helper pods + - apiGroups: [""] + resources: ["pods"] + verbs: ["create","delete","get","list","patch","update", "deletecollection"] + # Performs CRUD operations on the events inside chaosengine and chaosresult + - apiGroups: [""] + resources: ["events"] + verbs: ["create","get","list","patch","update"] + # Fetch configmaps details and mount it to the experiment pod (if specified) + - apiGroups: [""] + resources: ["configmaps"] + verbs: ["get","list",] + # Track and get the runner, experiment, and helper pods log + - apiGroups: [""] + resources: ["pods/log"] + verbs: ["get","list","watch"] + # for creating and managing to execute comands inside target container + - apiGroups: [""] + resources: ["pods/exec"] + verbs: ["get","list","create"] + # deriving the parent/owner details of the pod(if parent is anyof {deployment, statefulset, daemonsets}) + - apiGroups: ["apps"] + resources: ["deployments","statefulsets","replicasets", "daemonsets"] + verbs: ["list","get"] + # deriving the parent/owner details of the pod(if parent is deploymentConfig) + - apiGroups: ["apps.openshift.io"] + resources: ["deploymentconfigs"] + verbs: ["list","get"] + # deriving the parent/owner details of the pod(if parent is deploymentConfig) + - apiGroups: [""] + resources: ["replicationcontrollers"] + verbs: ["get","list"] + # deriving the parent/owner details of the pod(if parent is argo-rollouts) + - apiGroups: ["argoproj.io"] + resources: ["rollouts"] + verbs: ["list","get"] + # for configuring and monitor the experiment job by the chaos-runner pod + - apiGroups: ["batch"] + resources: ["jobs"] + verbs: ["create","list","get","delete","deletecollection"] + # for creation, status polling and deletion of litmus chaos resources used within a chaos workflow + - apiGroups: ["litmuschaos.io"] + resources: ["chaosengines","chaosexperiments","chaosresults"] + verbs: ["create","list","get","patch","update","delete"] + # use litmus psp + - apiGroups: ["policy"] + resources: ["podsecuritypolicies"] + verbs: ["use"] + resourceNames: ["litmus"] +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: RoleBinding +metadata: + name: pod-http-latency-sa + namespace: default + labels: + name: pod-http-latency-sa + app.kubernetes.io/part-of: litmus +roleRef: + apiGroup: rbac.authorization.k8s.io + kind: Role + name: pod-http-latency-sa +subjects: +- kind: ServiceAccount + name: pod-http-latency-sa + namespace: default diff --git a/charts/generic/pod-http-latency/rbac.yaml b/charts/generic/pod-http-latency/rbac.yaml new file mode 100644 index 0000000..6c46d88 --- /dev/null +++ b/charts/generic/pod-http-latency/rbac.yaml @@ -0,0 +1,80 @@ +--- +apiVersion: v1 +kind: ServiceAccount +metadata: + name: pod-http-latency-sa + namespace: default + labels: + name: pod-http-latency-sa + app.kubernetes.io/part-of: litmus +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: Role +metadata: + name: pod-http-latency-sa + namespace: default + labels: + name: pod-http-latency-sa + app.kubernetes.io/part-of: litmus +rules: + # Create and monitor the experiment & helper pods + - apiGroups: [""] + resources: ["pods"] + verbs: ["create","delete","get","list","patch","update", "deletecollection"] + # Performs CRUD operations on the events inside chaosengine and chaosresult + - apiGroups: [""] + resources: ["events"] + verbs: ["create","get","list","patch","update"] + # Fetch configmaps details and mount it to the experiment pod (if specified) + - apiGroups: [""] + resources: ["configmaps"] + verbs: ["get","list",] + # Track and get the runner, experiment, and helper pods log + - apiGroups: [""] + resources: ["pods/log"] + verbs: ["get","list","watch"] + # for creating and managing to execute comands inside target container + - apiGroups: [""] + resources: ["pods/exec"] + verbs: ["get","list","create"] + # deriving the parent/owner details of the pod(if parent is anyof {deployment, statefulset, daemonsets}) + - apiGroups: ["apps"] + resources: ["deployments","statefulsets","replicasets", "daemonsets"] + verbs: ["list","get"] + # deriving the parent/owner details of the pod(if parent is deploymentConfig) + - apiGroups: ["apps.openshift.io"] + resources: ["deploymentconfigs"] + verbs: ["list","get"] + # deriving the parent/owner details of the pod(if parent is deploymentConfig) + - apiGroups: [""] + resources: ["replicationcontrollers"] + verbs: ["get","list"] + # deriving the parent/owner details of the pod(if parent is argo-rollouts) + - apiGroups: ["argoproj.io"] + resources: ["rollouts"] + verbs: ["list","get"] + # for configuring and monitor the experiment job by the chaos-runner pod + - apiGroups: ["batch"] + resources: ["jobs"] + verbs: ["create","list","get","delete","deletecollection"] + # for creation, status polling and deletion of litmus chaos resources used within a chaos workflow + - apiGroups: ["litmuschaos.io"] + resources: ["chaosengines","chaosexperiments","chaosresults"] + verbs: ["create","list","get","patch","update","delete"] +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: RoleBinding +metadata: + name: pod-http-latency-sa + namespace: default + labels: + name: pod-http-latency-sa + app.kubernetes.io/part-of: litmus +roleRef: + apiGroup: rbac.authorization.k8s.io + kind: Role + name: pod-http-latency-sa +subjects: +- kind: ServiceAccount + name: pod-http-latency-sa + namespace: default