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https://github.com/k3s-io/k3s.git
synced 2024-06-07 19:41:36 +00:00
more changes and Add readme
This commit is contained in:
galal-hussein
parent
128eff9b0e
commit
2165464af6
@ -1,6 +1,6 @@
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MODULE := $(shell basename $$PWD)
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.PHONY: init config apply destroy clean test
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.PHONY: init config apply destroy clean test info
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init:
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@scripts/perf init
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@ -8,6 +8,9 @@ init:
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config:
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@scripts/perf config
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plan:
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@scripts/perf plan
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apply:
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@scripts/perf apply
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@ -19,3 +22,6 @@ clean:
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test:
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@scripts/test test_load
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info:
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@scripts/perf info
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116
tests/perf/README.md
Normal file
116
tests/perf/README.md
Normal file
@ -0,0 +1,116 @@
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## K3S Performance Tests
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---
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These scripts uses Terraform to automate building and testing on k3s clusters on AWS, it supports building normal and HA clusters with N master nodes, N workers nodes and multiple storage backends including:
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- MySQL RDS
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- Postgres RDS
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- Etcd
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- SQlite
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The scripts divides into three sections:
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- server
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- agents
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- tests
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### Server
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The server section deploys the storage backend and then deploys N master nodes, the scripts can be customized to use HA mode or use a single node cluster with sqlite backend, it can also support using 1 master node with external DB, the scripts can also be customized to specify instance type and k3s version, all available options are described in the variable section below.
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The server section will also create a one or more agent nodes specifically for Prometheus deployment, clusterloader2 will deploy prometheus and grafana.
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### Agents
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The agents section deploys the k3s agents, it can be customized with different options that controls the agent node count and the instance types.
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### Tests
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The tests section uses a fork off the (clusterloader2)[https://github.com/kubernetes/perf-tests/tree/master/clusterloader2] tool, the fork just modifies the logging and removes the etcd metrics probes.
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this section will use a dockerized version of the tool, which will run the tests and save the report in `tests/<test_name>-<random-number>`.
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The current available tests are:
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- load test
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- density test
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## Variables
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The scripts can be modified by customizing the variables in `scripts/config`, the variables includes:
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**Main Vars**
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| Name | Description |
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|:----------------:|:------------------------------------------------------------------------------:|
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| CLUSTER_NAME | The cluster name on aws, this will prefix each component in the cluster |
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| DOMAIN_NAME | DNS name of the Loadbalancer for k3s master(s) |
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| ZONE_ID | AWS route53 zone id for modifying the dns name |
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| K3S_VERSION | K3S version that will be used with the cluster |
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| EXTRA_SSH_KEYS | Public ssh keys that will be added to the servers |
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| PRIVATE_KEY_PATH | Private ssh key that will be used by clusterloader2 to ssh and collect metrics |
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| DEBUG | Debug mode for k3s servers |
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**Database Variables**
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| Name | Description |
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|:----------------:|:---------------------------------------------------------------------------------------------------:|
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| DB_ENGINE | The database type, this can be "mysql", "postgres", or "etcd" |
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| DB_INSTANCE_TYPE | The RDS instance type for mysql and postgres, etcd uses db.* class as well as its parsed internally |
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| DB_NAME | Database name created only in postgres and mysql |
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| DB_USERNAME | Database username created only for postgres and mysql |
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| DB_PASSWORD | Database password for the user created only for postgres and mysql |
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| DB_VERSION | Database version |
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**K3S Server Variables**
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| Name | Description |
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|:--------------------:|:---------------------------------------------------------------------------------:|
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| SERVER_HA | Whether or not to use HA mode, if not then sqlite will be used as storage backend |
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| SERVER_COUNT | k3s master node count |
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| SERVER_INSTANCE_TYPE | Ec2 instance type created for k3s server(s) |
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**K3S Agent Variables**
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| Name | Description |
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|:-------------------:|:-----------------------------------------:|
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| AGENT_NODE_COUNT | Number of k3s agents that will be created |
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| AGENT_INSTANCE_TYPE | Ec2 instance type created for k3s agents |
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**Prometheus server Variables**
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| Name | Description |
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|:-------------------------:|:-------------------------------------------------------------------:|
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| PROM_WORKER_NODE_COUNT | Number of k3s agents that will be created for prometheus deployment |
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| PROM_WORKER_INSTANCE_TYPE | Ec2 instance type created for k3s prometheus agents |
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## Usage
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### build
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The script includes a Makefile that run different sections, to build the master and workers, adjust the config file in `tests/perf/scripts/config` and then use the following:
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```
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cd tests/perf
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make apply
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```
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This will basically build the db, server, and agent layers, it will also deploy a kubeconfig file in tests/kubeconfig.yaml.
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### test
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To start the clusterloader2 load test you can modify the tests/perf/tests/load/config.yaml and then run the following:
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```
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cd tests/perf
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make test
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```
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### destroy
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To destroy the cluster just run the following:
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```
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make destroy
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make clean
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```
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@ -52,15 +52,19 @@ module "k3s-pool-worker-asg" {
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version = "3.0.0"
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name = "${local.name}-pool"
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asg_name = "${local.name}-pool"
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instance_type = var.worker_instance_type
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instance_type = var.agent_instance_type
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image_id = data.aws_ami.ubuntu.id
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user_data = base64encode(templatefile("${path.module}/files/pool_worker_userdata.tmpl", { k3s_url = data.terraform_remote_state.server.outputs.public_ip, k3s_cluster_secret = local.k3s_cluster_secret, extra_ssh_keys = var.extra_ssh_keys, install_k3s_version = var.k3s_version }))
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ebs_optimized = true
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desired_capacity = var.node_count
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default_cooldown = 10
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health_check_grace_period = 30
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wait_for_capacity_timeout = "60m"
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desired_capacity = var.agent_node_count
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health_check_type = "EC2"
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max_size = var.node_count
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min_size = var.node_count
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max_size = var.agent_node_count
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min_size = var.agent_node_count
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vpc_zone_identifier = [data.aws_subnet.selected.id]
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spot_price = "0.680"
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@ -1,10 +1,10 @@
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variable "node_count" {
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variable "agent_node_count" {
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description = "Number of nodes to run k3s agents on."
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type = number
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# default = 10
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}
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variable "worker_instance_type" {
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variable "agent_instance_type" {
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type = string
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default = "t3.2xlarge"
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}
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@ -1,28 +1,34 @@
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## MAIN VARIABLES ##
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####################
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CLUSTER_NAME="hgalal-k3s"
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K3S_VERSION="v0.10.0"
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EXTRA_SSH_KEYS="ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDZBAE6I9J733HJfCBVu7iWSUuJ7th0U4P4IFfpFDca52n/Hk4yFFr8SPR8JJc1n42c3vEVCbExp/MD4ihqEBy9+pLewxA+fkb7UAT4cT2eLfvZdTTVe8KSiw6lVN6tWSoNXmNqY+wH7zWQ04lfjXPa/c01L1n2XwV/O+5xii9vEuSxN9YhfQ/s61SdLFqQ5yS8gPsM0qQW+bFt5KGGbapqztDO+h9lxGbZRcRAKbCzZ5kF1mhjI/+VubTWKtoVLCumjzjYqILYyx9g/mLSo26qjDEZvtwBQB9KLugDAtnalLVp0HgivC5YfLHr8PxViVSHfIIKS2DhUpn07jr8eKi9"
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PRIVATE_KEY_PATH="/home/hussein/.ssh/id_rsa" #this has to be a full path
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CLUSTER_NAME="loadtest-k3s"
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DOMAIN_NAME=""
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ZONE_ID=""
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K3S_VERSION="v0.11.0-alpha2"
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EXTRA_SSH_KEYS="" # comma separated public keys
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PRIVATE_KEY_PATH="~/.ssh/id_rsa"
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DEBUG=1
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## K3S DB VARIABLES ##
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##########################
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DB_ENGINE="postgres"
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DB_INSTANCE_TYPE="db.m4.4xlarge"
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DB_NAME="k3s"
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DB_USERNAME="k3suser"
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DB_PASSWORD="024d9442b3add64b7ef90655bc302cd8"
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DB_VERSION=11.5
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## K3S SERVER VARIABLES ##
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##########################
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K3S_HA=1
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MASTER_COUNT=3
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DB_INSTANCE_TYPE="db.m4.4xlarge"
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SERVER_HA=1
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SERVER_COUNT=3
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SERVER_INSTANCE_TYPE="m5.2xlarge"
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DEBUG=1
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## PROMETHEUS SERVER VARIABLES ##
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#################################
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PROM_WORKER_NODE_COUNT=1
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PROM_HOST="prometheus-load.eng.rancher.space"
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GRAF_HOST="prometheus-load.eng.rancher.space"
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PROM_WORKER_INSTANCE_TYPE="m5.large"
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## K3S AGENTS VARIABLES ##
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##########################
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AGENT_NODE_COUNT=100
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WORKER_INSTANCE_TYPE="m5.xlarge"
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AGENT_INSTANCE_TYPE="m5.large"
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@ -18,6 +18,8 @@ init() {
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apply() {
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# init terraform
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init
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# configure variables
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config
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# Run apply for server and agents
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for i in server agents; do
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@ -32,32 +34,52 @@ apply() {
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done
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}
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plan() {
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# init terraform
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config
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# Run apply for server and agents
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for i in server agents; do
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pushd $i
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$TERRAFORM_PLAN_CMD
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popd
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done
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}
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config() {
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source scripts/config
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pushd ./server
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eval PRIVATE_KEY_PATH=$PRIVATE_KEY_PATH
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EXPANDED_PRIV_KEY_PATH=`readlink -f $PRIVATE_KEY_PATH`
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cat <<MAIN > variables.tfvars
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name = "${CLUSTER_NAME}"
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db_instance_type = "${DB_INSTANCE_TYPE}"
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db_name = "${DB_NAME}"
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db_username = "${DB_USERNAME}"
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db_password = "${DB_PASSWORD}"
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db_engine = "${DB_ENGINE}"
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db_version = "${DB_VERSION}"
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server_instance_type = "${SERVER_INSTANCE_TYPE}"
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extra_ssh_keys = ["${EXTRA_SSH_KEYS}"]
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master_count = ${MASTER_COUNT}
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k3s_ha = ${K3S_HA}
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server_count = ${SERVER_COUNT}
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server_ha = ${SERVER_HA}
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k3s_version = "${K3S_VERSION}"
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prom_worker_node_count = ${PROM_WORKER_NODE_COUNT}
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prom_host = "${PROM_HOST}"
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graf_host = "${GRAF_HOST}"
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ssh_key_path = "${PRIVATE_KEY_PATH}"
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prom_worker_instance_type = "${PROM_WORKER_INSTANCE_TYPE}"
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ssh_key_path = "${EXPANDED_PRIV_KEY_PATH}"
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debug = ${DEBUG}
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domain_name = "${DOMAIN_NAME}"
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zone_id = "${ZONE_ID}"
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MAIN
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popd
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pushd ./agents
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cat <<MAIN > variables.tfvars
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name = "${CLUSTER_NAME}"
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node_count = ${AGENT_NODE_COUNT}
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extra_ssh_keys = ["${EXTRA_SSH_KEYS}"]
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k3s_version = "${K3S_VERSION}"
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worker_instance_type = "${WORKER_INSTANCE_TYPE}"
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agent_node_count = ${AGENT_NODE_COUNT}
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agent_instance_type = "${AGENT_INSTANCE_TYPE}"
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MAIN
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popd
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}
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@ -71,6 +93,16 @@ clean() {
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done
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}
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cleanall() {
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clean
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# clean kubeconfig
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pushd tests/
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rm -f kubeconfig
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rm -rf load_tests_results*
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rm -rf density_tests_results*
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popd
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}
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destroy() {
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for i in agents server; do
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pushd $i
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@ -80,4 +112,15 @@ destroy() {
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clean
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}
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info() {
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set +x
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for i in agents server; do
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pushd $i
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if [ -f $i.tfstate ]; then
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terraform output --state=$i.tfstate
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fi
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popd
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done
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}
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$@
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@ -2,9 +2,11 @@
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test_load() {
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source scripts/config
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eval PRIVATE_KEY_PATH=$PRIVATE_KEY_PATH
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EXPANDED_PRIV_KEY_PATH=`readlink -f $PRIVATE_KEY_PATH`
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masterips=`terraform output -state=server/server.tfstate | grep k3s_server_ips | cut -d "=" -f 2`
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pushd tests/
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docker run -v $PRIVATE_KEY_PATH:/opt/priv_key \
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docker run -v $EXPANDED_PRIV_KEY_PATH:/opt/priv_key \
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-e KUBE_SSH_USER=ubuntu \
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-e LOCAL_SSH_KEY=/opt/priv_key \
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-it -v $PWD/:/opt/k3s/perf-tests husseingalal/clusterloader:dev \
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@ -12,7 +14,7 @@ test_load() {
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--kubeconfig /opt/k3s/perf-tests/kubeconfig.yaml \
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--masterip $masterips \
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--provider=local \
|
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--report-dir /opt/k3s/perf-tests/load_tests_results \
|
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--report-dir /opt/k3s/perf-tests/load_tests_results-$RANDOM \
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--enable-prometheus-server \
|
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--tear-down-prometheus-server=0
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popd
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@ -20,17 +22,19 @@ test_load() {
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test_density() {
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source scripts/config
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eval PRIVATE_KEY_PATH=$PRIVATE_KEY_PATH
|
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EXPANDED_PRIV_KEY_PATH=`readlink -f $PRIVATE_KEY_PATH`
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masterips=`terraform output -state=server/server.tfstate | grep k3s_server_ips | cut -d "=" -f 2`
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pushd tests/
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docker run -e KUBE_SSH_USER=ubuntu \
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-v $PRIVATE_KEY_PATH:/opt/priv_key \
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-v $EXPANDED_PRIV_KEY_PATH:/opt/priv_key \
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-e LOCAL_SSH_KEY=/opt/priv_key \
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-it -v $PWD/:/opt/k3s/perf-tests husseingalal/clusterloader:dev \
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clusterloader --testconfig /opt/k3s/perf-tests/density/config.yaml \
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--kubeconfig /opt/k3s/perf-tests/kubeconfig.yaml \
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--masterip $masterips \
|
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--provider=local \
|
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--report-dir /opt/k3s/perf-tests/density_tests_results \
|
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--report-dir /opt/k3s/perf-tests/density_tests_results-$RANDOM \
|
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--enable-prometheus-server \
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--tear-down-prometheus-server=0
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||||
popd
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@ -40,7 +44,7 @@ clean() {
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# clean kubeconfig
|
||||
pushd tests/
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rm -f kubeconfig
|
||||
rm -rf load_tests_results/
|
||||
rm -rf load_tests_results*
|
||||
rm -rf density_tests_results/
|
||||
popd
|
||||
}
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||||
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||||
@ -34,19 +34,3 @@ data "aws_ami" "ubuntu" {
|
||||
values = ["x86_64"]
|
||||
}
|
||||
}
|
||||
|
||||
data "template_file" "metrics" {
|
||||
template = file("${path.module}/files/metrics.yaml")
|
||||
vars = {
|
||||
prom_worker_node_count = local.prom_worker_node_count
|
||||
|
||||
}
|
||||
}
|
||||
data "template_file" "k3s-prom-yaml" {
|
||||
template = file("${path.module}/files/prom.yaml")
|
||||
vars = {
|
||||
prom_host = var.prom_host
|
||||
graf_host = var.graf_host
|
||||
prom_worker_node_count = local.prom_worker_node_count
|
||||
}
|
||||
}
|
||||
|
||||
31
tests/perf/server/files/etcd.tmpl
Normal file
31
tests/perf/server/files/etcd.tmpl
Normal file
@ -0,0 +1,31 @@
|
||||
#cloud-config
|
||||
%{ if length(extra_ssh_keys) > 0 }
|
||||
ssh_authorized_keys:
|
||||
%{ for ssh_key in extra_ssh_keys }
|
||||
- ${ssh_key}
|
||||
%{ endfor }
|
||||
%{ endif }
|
||||
runcmd:
|
||||
- echo "net.ipv4.neigh.default.gc_interval = 3600" >> /etc/sysctl.conf
|
||||
- echo "net.ipv4.neigh.default.gc_stale_time = 3600" >> /etc/sysctl.conf
|
||||
- echo "net.ipv4.neigh.default.gc_thresh3 = 16384" >> /etc/sysctl.conf
|
||||
- echo "net.ipv4.neigh.default.gc_thresh2 = 8192" >> /etc/sysctl.conf
|
||||
- echo "net.ipv4.neigh.default.gc_thresh1 = 4096" >> /etc/sysctl.conf
|
||||
- echo "fs.file-max = 12000500" >> /etc/sysctl.conf
|
||||
- echo "fs.nr_open = 20000500" >> /etc/sysctl.conf
|
||||
- echo "net.ipv4.tcp_mem = '10000000 10000000 10000000'" >> /etc/sysctl.conf
|
||||
- echo "net.ipv4.tcp_rmem = '1024 4096 16384'" >> /etc/sysctl.conf
|
||||
- echo "net.ipv4.tcp_wmem = '1024 4096 16384'" >> /etc/sysctl.conf
|
||||
- echo "net.core.rmem_max = 16384" >> /etc/sysctl.conf
|
||||
- echo "net.core.wmem_max = 16384" >> /etc/sysctl.conf
|
||||
- ulimit -n 20000000
|
||||
- echo "# <domain> <type> <item> <value>" >> /etc/security/limits.d/limits.conf
|
||||
- echo " * soft nofile 20000" >> /etc/security/limits.d/limits.conf
|
||||
- echo " * hard nofile 20000" >> /etc/security/limits.d/limits.conf
|
||||
- sysctl -p
|
||||
- apt-get update
|
||||
- apt-get install -y git vim software-properties-common resolvconf linux-headers-$(uname -r)
|
||||
- echo "nameserver 1.1.1.1" > /etc/resolvconf/resolv.conf.d/tail
|
||||
- echo "RateLimitIntervalSec=0" >> /etc/systemd/journald.conf
|
||||
- echo "RateLimitBurst=0" >> /etc/systemd/journald.conf
|
||||
- curl -sSL https://releases.rancher.com/install-docker/19.03.sh | sh
|
||||
22
tests/perf/server/files/etcd_build.sh
Executable file
22
tests/perf/server/files/etcd_build.sh
Executable file
@ -0,0 +1,22 @@
|
||||
#!/bin/bash
|
||||
set -x
|
||||
|
||||
IFS=',' read -r -a public_ips <<< "$PUBLIC_IPS"
|
||||
IFS=',' read -r -a private_ips <<< "$PRIVATE_IPS"
|
||||
|
||||
conn_string=""
|
||||
for i in "${!private_ips[@]}"; do
|
||||
conn_string=$conn_string"etcd-$i=http://${private_ips[i]}:2380,"
|
||||
done
|
||||
conn_string=${conn_string%?}
|
||||
for i in "${!public_ips[@]}"; do
|
||||
while true; do
|
||||
ssh -i $SSH_KEY_PATH -l ubuntu ${public_ips[i]} "sudo docker run -v /etcd-data:/etcd-data -d -p ${private_ips[i]}:2379:2379 -p ${private_ips[i]}:2380:2380 quay.io/coreos/etcd:$DB_VERSION etcd --initial-advertise-peer-urls http://${private_ips[i]}:2380 --name=etcd-$i --data-dir=/etcd-data --advertise-client-urls=http://0.0.0.0:2379 --listen-peer-urls=http://0.0.0.0:2380 --listen-client-urls=http://0.0.0.0:2379 --initial-cluster-token=etcd-cluster-1 --initial-cluster-state new --initial-cluster $conn_string"
|
||||
if [ $? == 0 ]; then
|
||||
break
|
||||
fi
|
||||
sleep 10
|
||||
done
|
||||
done
|
||||
|
||||
#
|
||||
@ -1,227 +0,0 @@
|
||||
%{ if prom_worker_node_count != 0 }
|
||||
---
|
||||
apiVersion: rbac.authorization.k8s.io/v1
|
||||
# kubernetes versions before 1.8.0 should use rbac.authorization.k8s.io/v1beta1
|
||||
kind: ClusterRoleBinding
|
||||
metadata:
|
||||
name: kube-state-metrics
|
||||
roleRef:
|
||||
apiGroup: rbac.authorization.k8s.io
|
||||
kind: ClusterRole
|
||||
name: kube-state-metrics
|
||||
subjects:
|
||||
- kind: ServiceAccount
|
||||
name: kube-state-metrics
|
||||
namespace: kube-system
|
||||
---
|
||||
apiVersion: rbac.authorization.k8s.io/v1
|
||||
# kubernetes versions before 1.8.0 should use rbac.authorization.k8s.io/v1beta1
|
||||
kind: ClusterRole
|
||||
metadata:
|
||||
name: kube-state-metrics
|
||||
rules:
|
||||
- apiGroups: [""]
|
||||
resources:
|
||||
- configmaps
|
||||
- secrets
|
||||
- nodes
|
||||
- pods
|
||||
- services
|
||||
- resourcequotas
|
||||
- replicationcontrollers
|
||||
- limitranges
|
||||
- persistentvolumeclaims
|
||||
- persistentvolumes
|
||||
- namespaces
|
||||
- endpoints
|
||||
verbs: ["list", "watch"]
|
||||
- apiGroups: ["extensions"]
|
||||
resources:
|
||||
- daemonsets
|
||||
- deployments
|
||||
- replicasets
|
||||
- ingresses
|
||||
verbs: ["list", "watch"]
|
||||
- apiGroups: ["apps"]
|
||||
resources:
|
||||
- daemonsets
|
||||
- deployments
|
||||
- replicasets
|
||||
- statefulsets
|
||||
verbs: ["list", "watch"]
|
||||
- apiGroups: ["batch"]
|
||||
resources:
|
||||
- cronjobs
|
||||
- jobs
|
||||
verbs: ["list", "watch"]
|
||||
- apiGroups: ["autoscaling"]
|
||||
resources:
|
||||
- horizontalpodautoscalers
|
||||
verbs: ["list", "watch"]
|
||||
- apiGroups: ["policy"]
|
||||
resources:
|
||||
- poddisruptionbudgets
|
||||
verbs: ["list", "watch"]
|
||||
- apiGroups: ["certificates.k8s.io"]
|
||||
resources:
|
||||
- certificatesigningrequests
|
||||
verbs: ["list", "watch"]
|
||||
- apiGroups: ["storage.k8s.io"]
|
||||
resources:
|
||||
- storageclasses
|
||||
verbs: ["list", "watch"]
|
||||
- apiGroups: ["autoscaling.k8s.io"]
|
||||
resources:
|
||||
- verticalpodautoscalers
|
||||
verbs: ["list", "watch"]
|
||||
---
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
labels:
|
||||
k8s-app: kube-state-metrics
|
||||
name: kube-state-metrics
|
||||
namespace: kube-system
|
||||
spec:
|
||||
selector:
|
||||
matchLabels:
|
||||
k8s-app: kube-state-metrics
|
||||
replicas: 1
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
k8s-app: kube-state-metrics
|
||||
spec:
|
||||
serviceAccountName: kube-state-metrics
|
||||
containers:
|
||||
- name: kube-state-metrics
|
||||
image: quay.io/coreos/kube-state-metrics:v1.7.2
|
||||
ports:
|
||||
- name: http-metrics
|
||||
containerPort: 8080
|
||||
- name: telemetry
|
||||
containerPort: 8081
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz
|
||||
port: 8080
|
||||
initialDelaySeconds: 5
|
||||
timeoutSeconds: 5
|
||||
readinessProbe:
|
||||
httpGet:
|
||||
path: /
|
||||
port: 8080
|
||||
initialDelaySeconds: 5
|
||||
timeoutSeconds: 5
|
||||
---
|
||||
apiVersion: v1
|
||||
kind: ServiceAccount
|
||||
metadata:
|
||||
name: kube-state-metrics
|
||||
namespace: kube-system
|
||||
---
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: kube-state-metrics
|
||||
namespace: kube-system
|
||||
labels:
|
||||
k8s-app: kube-state-metrics
|
||||
annotations:
|
||||
prometheus.io/scrape: 'true'
|
||||
spec:
|
||||
ports:
|
||||
- name: http-metrics
|
||||
port: 8080
|
||||
targetPort: http-metrics
|
||||
protocol: TCP
|
||||
- name: telemetry
|
||||
port: 8081
|
||||
targetPort: telemetry
|
||||
protocol: TCP
|
||||
selector:
|
||||
k8s-app: kube-state-metrics
|
||||
---
|
||||
kind: ClusterRoleBinding
|
||||
apiVersion: rbac.authorization.k8s.io/v1
|
||||
metadata:
|
||||
name: slo-monitor
|
||||
subjects:
|
||||
- kind: ServiceAccount
|
||||
name: slo-monitor
|
||||
namespace: kube-system
|
||||
roleRef:
|
||||
kind: ClusterRole
|
||||
name: slo-monitor
|
||||
apiGroup: rbac.authorization.k8s.io
|
||||
---
|
||||
kind: ClusterRole
|
||||
apiVersion: rbac.authorization.k8s.io/v1
|
||||
metadata:
|
||||
name: slo-monitor
|
||||
namespace: kube-system
|
||||
rules:
|
||||
- apiGroups: [""]
|
||||
resources: ["pods", "events"]
|
||||
verbs: ["get", "watch", "list"]
|
||||
---
|
||||
apiVersion: v1
|
||||
kind: ServiceAccount
|
||||
metadata:
|
||||
name: slo-monitor
|
||||
namespace: kube-system
|
||||
---
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: slo-monitor
|
||||
namespace: kube-system
|
||||
labels:
|
||||
app: slo-monitor
|
||||
spec:
|
||||
selector:
|
||||
matchLabels:
|
||||
app: slo-monitor
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: slo-monitor
|
||||
annotations:
|
||||
prometheus.io/scrape: "true"
|
||||
spec:
|
||||
containers:
|
||||
- name: slo-monitor
|
||||
image: gcr.io/google-containers/slo-monitor:0.12.0
|
||||
command:
|
||||
- /slo-monitor
|
||||
- --alsologtostderr=true
|
||||
imagePullPolicy: Always
|
||||
ports:
|
||||
- name: metrics
|
||||
containerPort: 8080
|
||||
resources:
|
||||
requests:
|
||||
cpu: 300m
|
||||
memory: 100Mi
|
||||
limits:
|
||||
cpu: 300m
|
||||
memory: 100Mi
|
||||
restartPolicy: Always
|
||||
serviceAccountName: slo-monitor
|
||||
---
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: slo-monitor
|
||||
namespace: kube-system
|
||||
labels:
|
||||
app: slo-monitor
|
||||
spec:
|
||||
selector:
|
||||
app: slo-monitor
|
||||
ports:
|
||||
- name: metrics
|
||||
port: 80
|
||||
targetPort: metrics
|
||||
type: ClusterIP
|
||||
%{ endif }
|
||||
@ -1,86 +0,0 @@
|
||||
%{ if prom_worker_node_count != 0 }
|
||||
---
|
||||
apiVersion: v1
|
||||
kind: Namespace
|
||||
metadata:
|
||||
name: monitoring
|
||||
|
||||
---
|
||||
apiVersion: helm.cattle.io/v1
|
||||
kind: HelmChart
|
||||
metadata:
|
||||
name: prometheus
|
||||
namespace: kube-system
|
||||
spec:
|
||||
chart: https://raw.githubusercontent.com/galal-hussein/charts/master/prometheus-9.2.0.tgz
|
||||
targetNamespace: monitoring
|
||||
valuesContent: |-
|
||||
alertmanager:
|
||||
nodeSelector:
|
||||
prom: "true"
|
||||
persistentVolume:
|
||||
enabled: false
|
||||
kubeStateMetrics:
|
||||
nodeSelector:
|
||||
prom: "true"
|
||||
nodeExporter:
|
||||
nodeSelector:
|
||||
prom: "true"
|
||||
server:
|
||||
nodeSelector:
|
||||
prom: "true"
|
||||
ingress:
|
||||
enabled: true
|
||||
hosts:
|
||||
- ${prom_host}
|
||||
persistentVolume:
|
||||
enabled: false
|
||||
pushgateway:
|
||||
nodeSelector:
|
||||
prom: "true"
|
||||
persistentVolume:
|
||||
enabled: false
|
||||
serverFiles:
|
||||
prometheus.yml:
|
||||
scrape_configs:
|
||||
- job_name: prometheus
|
||||
static_configs:
|
||||
- targets:
|
||||
- localhost:9090
|
||||
- job_name: kubernetes-apiservers
|
||||
scrape_interval: 10s
|
||||
scrape_timeout: 10s
|
||||
metrics_path: /metrics
|
||||
scheme: https
|
||||
kubernetes_sd_configs:
|
||||
- api_server: null
|
||||
role: endpoints
|
||||
namespaces:
|
||||
names: []
|
||||
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
|
||||
tls_config:
|
||||
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
|
||||
insecure_skip_verify: true
|
||||
relabel_configs:
|
||||
- source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
|
||||
separator: ;
|
||||
regex: default;kubernetes;https
|
||||
replacement: $1
|
||||
action: keep
|
||||
---
|
||||
apiVersion: helm.cattle.io/v1
|
||||
kind: HelmChart
|
||||
metadata:
|
||||
name: grafana
|
||||
namespace: kube-system
|
||||
spec:
|
||||
chart: stable/grafana
|
||||
targetNamespace: monitoring
|
||||
valuesContent: |-
|
||||
ingress:
|
||||
enabled: true
|
||||
hosts:
|
||||
- ${graf_host}
|
||||
nodeSelector:
|
||||
prom: "true"
|
||||
%{ endif }
|
||||
@ -6,16 +6,33 @@ ssh_authorized_keys:
|
||||
%{ endfor }
|
||||
%{ endif }
|
||||
write_files:
|
||||
- path: /var/lib/rancher/k3s/server/manifests/metrics.yaml
|
||||
- path: /opt/k3s/run_k3s.sh
|
||||
permissions: "0755"
|
||||
owner: root:root
|
||||
encoding: b64
|
||||
content: ${metrics_yaml}
|
||||
- path: /var/lib/rancher/k3s/server/manifests/prom.yaml
|
||||
permissions: "0755"
|
||||
owner: root:root
|
||||
encoding: b64
|
||||
content: ${prom_yaml}
|
||||
content: |
|
||||
#!/bin/bash
|
||||
set -x
|
||||
if [ ${db_engine} == "postgres" ]; then
|
||||
STORAGE_ENDPOINT="postgres://${db_username}:${db_password}@${db_address}:5432/${db_name}"
|
||||
elif [ ${db_engine} == "mysql" ]; then
|
||||
STORAGE_ENDPOINT="mysql://${db_username}:${db_password}@(${db_address})/${db_name}"
|
||||
else
|
||||
IFS=',' read -r -a private_ips <<< "${db_address}"
|
||||
for i in "$${!private_ips[@]}"; do
|
||||
STORAGE_ENDPOINT=$STORAGE_ENDPOINT"http://$${private_ips[i]}:2379",
|
||||
done
|
||||
STORAGE_ENDPOINT=$${STORAGE_ENDPOINT%?}
|
||||
echo hello
|
||||
fi
|
||||
while true; do
|
||||
curl -sfL https://get.k3s.io | K3S_CLUSTER_SECRET="${k3s_cluster_secret}" \
|
||||
INSTALL_K3S_VERSION="${install_k3s_version}" \
|
||||
INSTALL_K3S_EXEC="${k3s_server_args} --cluster-cidr=10.0.0.0/8 --no-deploy traefik --no-deploy servicelb --tls-san ${lb_address} %{ if use_ha == "true" } --storage-endpoint=$STORAGE_ENDPOINT %{ endif }" sh -
|
||||
if [ $? -eq 0 ]; then
|
||||
break
|
||||
fi
|
||||
sleep 1
|
||||
done
|
||||
runcmd:
|
||||
- echo "net.ipv4.neigh.default.gc_interval = 3600" >> /etc/sysctl.conf
|
||||
- echo "net.ipv4.neigh.default.gc_stale_time = 3600" >> /etc/sysctl.conf
|
||||
@ -41,14 +58,11 @@ runcmd:
|
||||
- echo "RateLimitBurst=0" >> /etc/systemd/journald.conf
|
||||
- systemctl restart systemd-journald.service
|
||||
- systemctl start resolvconf
|
||||
- wget https://raw.githubusercontent.com/galal-hussein/k3s/k3s_with_kine_fix/k3s
|
||||
- cp k3s /usr/local/bin/k3s
|
||||
- chmod +x /usr/local/bin/k3s
|
||||
%{if master_index != 0 }
|
||||
%{ if master_index != 0 }
|
||||
- sleep 20
|
||||
%{ endif }
|
||||
- until (curl -sfL https://get.k3s.io | INSTALL_K3S_SKIP_DOWNLOAD=true K3S_CLUSTER_SECRET="${k3s_cluster_secret}" INSTALL_K3S_VERSION="${install_k3s_version}" INSTALL_K3S_EXEC="${k3s_server_args} --cluster-cidr=10.0.0.0/8 --no-deploy traefik --no-deploy servicelb --tls-san ${lb_address} %{ if use_ha == "true" } --storage-endpoint="postgres://${db_username}:${db_password}@${db_address}:5432/${db_name}" %{ if master_index == 0 }--bootstrap-save%{ endif } %{ endif }" sh -); do echo 'Error installing k3s'; sleep 1; done
|
||||
%{if debug != 0 }
|
||||
- /opt/k3s/run_k3s.sh
|
||||
%{ if debug != 0 }
|
||||
- sed -i 's/bin\/k3s/bin\/k3s --debug/g' /etc/systemd/system/k3s.service
|
||||
- systemctl daemon-reload
|
||||
- systemctl restart k3s
|
||||
|
||||
@ -23,7 +23,7 @@ runcmd:
|
||||
- echo " * soft nofile 20000" >> /etc/security/limits.d/limits.conf
|
||||
- echo " * hard nofile 20000" >> /etc/security/limits.d/limits.conf
|
||||
- sysctl -p
|
||||
- wget https://raw.githubusercontent.com/galal-hussein/k3s/k3s_with_kine_fix/k3s
|
||||
- wget https://raw.githubusercontent.com/galal-hussein/k3s/scale_test/k3s
|
||||
- cp k3s /usr/local/bin/k3s
|
||||
- chmod +x /usr/local/bin/k3s
|
||||
- until (curl -sfL https://get.k3s.io | INSTALL_K3S_VERSION=${install_k3s_version} INSTALL_K3S_EXEC="${k3s_exec}" K3S_URL=https://${k3s_url}:6443 K3S_CLUSTER_SECRET="${k3s_cluster_secret}" sh -); do echo 'k3s did not install correctly'; sleep 1; done
|
||||
|
||||
@ -5,10 +5,11 @@ terraform {
|
||||
}
|
||||
|
||||
locals {
|
||||
name = var.name
|
||||
k3s_cluster_secret = var.k3s_cluster_secret
|
||||
install_k3s_version = var.k3s_version
|
||||
prom_worker_node_count = var.prom_worker_node_count
|
||||
name = var.name
|
||||
k3s_cluster_secret = var.k3s_cluster_secret
|
||||
install_k3s_version = var.k3s_version
|
||||
prom_worker_node_count = var.prom_worker_node_count
|
||||
prom_worker_instance_type = var.prom_worker_instance_type
|
||||
}
|
||||
|
||||
provider "aws" {
|
||||
@ -57,12 +58,12 @@ resource "aws_security_group" "k3s" {
|
||||
}
|
||||
|
||||
resource "aws_db_instance" "k3s_db" {
|
||||
count = "${var.k3s_ha}"
|
||||
count = "${var.db_engine == "etcd" ? 0 : var.server_ha}"
|
||||
allocated_storage = 100 #baseline iops is 300 with gp2
|
||||
storage_type = "io1"
|
||||
iops = "3000"
|
||||
engine = "postgres"
|
||||
engine_version = "11.5"
|
||||
engine = "${var.db_engine}"
|
||||
engine_version = "${var.db_version}"
|
||||
instance_class = "${var.db_instance_type}"
|
||||
name = "${var.db_name}"
|
||||
username = "${var.db_username}"
|
||||
@ -71,13 +72,48 @@ resource "aws_db_instance" "k3s_db" {
|
||||
multi_az = false
|
||||
}
|
||||
|
||||
resource "aws_instance" "k3s_etcd" {
|
||||
count = "${var.etcd_count * (var.db_engine == "etcd" ? 1 * var.server_ha : 0)}"
|
||||
instance_type = replace(var.db_instance_type, "/db./", "")
|
||||
ami = data.aws_ami.ubuntu.id
|
||||
user_data = base64encode(templatefile("${path.module}/files/etcd.tmpl",
|
||||
{
|
||||
extra_ssh_keys = var.extra_ssh_keys,
|
||||
db_version = var.db_version
|
||||
etcd_count = var.etcd_count
|
||||
}))
|
||||
security_groups = [
|
||||
aws_security_group.k3s.name,
|
||||
]
|
||||
|
||||
root_block_device {
|
||||
volume_size = "100"
|
||||
volume_type = "gp2"
|
||||
}
|
||||
|
||||
tags = {
|
||||
Name = "${local.name}-etcd-${count.index}"
|
||||
}
|
||||
}
|
||||
|
||||
resource "aws_lb" "k3s-master-nlb" {
|
||||
name = "${local.name}-nlb"
|
||||
internal = false
|
||||
load_balancer_type = "network"
|
||||
subnets = [data.aws_subnet.selected.id]
|
||||
subnets = data.aws_subnet_ids.available.ids
|
||||
}
|
||||
|
||||
resource "aws_route53_record" "www" {
|
||||
# currently there is the only way to use nlb dns name in k3s
|
||||
# because the real dns name is too long and cause an issue
|
||||
zone_id = "${var.zone_id}"
|
||||
name = "${var.domain_name}"
|
||||
type = "CNAME"
|
||||
ttl = "30"
|
||||
records = ["${aws_lb.k3s-master-nlb.dns_name}"]
|
||||
}
|
||||
|
||||
|
||||
resource "aws_lb_target_group" "k3s-master-nlb-tg" {
|
||||
name = "${local.name}-nlb-tg"
|
||||
port = "6443"
|
||||
@ -104,35 +140,33 @@ resource "aws_lb_listener" "k3s-master-nlb-tg" {
|
||||
}
|
||||
|
||||
resource "aws_lb_target_group_attachment" "test" {
|
||||
count = "${var.master_count}"
|
||||
count = "${var.server_count}"
|
||||
target_group_arn = "${aws_lb_target_group.k3s-master-nlb-tg.arn}"
|
||||
target_id = "${aws_spot_instance_request.k3s-server[count.index].spot_instance_id}"
|
||||
target_id = "${aws_instance.k3s-server[count.index].id}"
|
||||
port = 6443
|
||||
}
|
||||
|
||||
resource "aws_spot_instance_request" "k3s-server" {
|
||||
count = "${var.master_count}"
|
||||
resource "aws_instance" "k3s-server" {
|
||||
count = "${var.server_count}"
|
||||
instance_type = var.server_instance_type
|
||||
ami = data.aws_ami.ubuntu.id
|
||||
user_data = base64encode(templatefile("${path.module}/files/server_userdata.tmpl",
|
||||
{
|
||||
extra_ssh_keys = var.extra_ssh_keys,
|
||||
metrics_yaml = base64encode(data.template_file.metrics.rendered),
|
||||
prom_yaml = base64encode(data.template_file.k3s-prom-yaml.rendered),
|
||||
k3s_cluster_secret = local.k3s_cluster_secret,
|
||||
install_k3s_version = local.install_k3s_version,
|
||||
k3s_server_args = var.k3s_server_args,
|
||||
db_address = aws_db_instance.k3s_db[0].address,
|
||||
db_name = aws_db_instance.k3s_db[0].name,
|
||||
db_username = aws_db_instance.k3s_db[0].username,
|
||||
db_password = aws_db_instance.k3s_db[0].password,
|
||||
use_ha = "${var.k3s_ha == 1 ? "true": "false"}",
|
||||
db_engine = var.db_engine
|
||||
db_address = "${var.db_engine == "etcd" ? join(",",aws_instance.k3s_etcd.*.private_ip) : aws_db_instance.k3s_db[0].address}",
|
||||
db_name = var.db_name,
|
||||
db_username = var.db_username,
|
||||
db_password = var.db_password,
|
||||
use_ha = "${var.server_ha == 1 ? "true": "false"}",
|
||||
master_index = count.index,
|
||||
lb_address = aws_lb.k3s-master-nlb.dns_name,
|
||||
lb_address = var.domain_name,
|
||||
prom_worker_node_count = local.prom_worker_node_count,
|
||||
debug = var.debug,}))
|
||||
|
||||
wait_for_fulfillment = true
|
||||
debug = var.debug,
|
||||
k3s_cluster_secret = local.k3s_cluster_secret,}))
|
||||
security_groups = [
|
||||
aws_security_group.k3s.name,
|
||||
]
|
||||
@ -155,9 +189,9 @@ module "k3s-prom-worker-asg" {
|
||||
version = "3.0.0"
|
||||
name = "${local.name}-prom-worker"
|
||||
asg_name = "${local.name}-prom-worker"
|
||||
instance_type = "m5.large"
|
||||
instance_type = local.prom_worker_instance_type
|
||||
image_id = data.aws_ami.ubuntu.id
|
||||
user_data = base64encode(templatefile("${path.module}/files/worker_userdata.tmpl", { extra_ssh_keys = var.extra_ssh_keys, k3s_url = aws_lb.k3s-master-nlb.dns_name, k3s_cluster_secret = local.k3s_cluster_secret, install_k3s_version = local.install_k3s_version, k3s_exec = "--node-label prom=true" }))
|
||||
user_data = base64encode(templatefile("${path.module}/files/worker_userdata.tmpl", { extra_ssh_keys = var.extra_ssh_keys, k3s_url = var.domain_name, k3s_cluster_secret = local.k3s_cluster_secret, install_k3s_version = local.install_k3s_version, k3s_exec = "--node-label prom=true" }))
|
||||
|
||||
desired_capacity = local.prom_worker_node_count
|
||||
health_check_type = "EC2"
|
||||
@ -180,9 +214,22 @@ module "k3s-prom-worker-asg" {
|
||||
]
|
||||
}
|
||||
|
||||
resource "null_resource" "run_etcd" {
|
||||
count = "${var.db_engine == "etcd" ? 1 : 0}"
|
||||
|
||||
triggers = {
|
||||
etcd_instance_ids = "${join(",", aws_instance.k3s_etcd.*.id)}"
|
||||
}
|
||||
|
||||
provisioner "local-exec" {
|
||||
interpreter = ["bash", "-c"]
|
||||
command = "DB_VERSION=${var.db_version} SSH_KEY_PATH=${var.ssh_key_path} PUBLIC_IPS=${join(",",aws_instance.k3s_etcd.*.public_ip)} PRIVATE_IPS=${join(",",aws_instance.k3s_etcd.*.private_ip)} files/etcd_build.sh"
|
||||
}
|
||||
}
|
||||
|
||||
resource "null_resource" "get-kubeconfig" {
|
||||
provisioner "local-exec" {
|
||||
interpreter = ["bash", "-c"]
|
||||
command = "until ssh -i ${var.ssh_key_path} ubuntu@${aws_spot_instance_request.k3s-server[0].public_ip} 'sudo sed \"s/localhost/$aws_lb.k3s-master-nlb.dns_name}/g;s/127.0.0.1/${aws_lb.k3s-master-nlb.dns_name}/g\" /etc/rancher/k3s/k3s.yaml' >| ../tests/kubeconfig.yaml; do sleep 5; done"
|
||||
command = "until ssh -i ${var.ssh_key_path} ubuntu@${aws_instance.k3s-server[0].public_ip} 'sudo sed \"s/localhost/$var.domain_name}/g;s/127.0.0.1/${var.domain_name}/g\" /etc/rancher/k3s/k3s.yaml' >| ../tests/kubeconfig.yaml; do sleep 5; done"
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
output "public_ip" {
|
||||
value = aws_lb.k3s-master-nlb.dns_name
|
||||
value = var.domain_name
|
||||
}
|
||||
|
||||
output "install_k3s_version" {
|
||||
@ -11,5 +11,5 @@ output "k3s_cluster_secret" {
|
||||
}
|
||||
|
||||
output "k3s_server_ips" {
|
||||
value = join(",", aws_spot_instance_request.k3s-server.*.public_ip)
|
||||
value = join(",", aws_instance.k3s-server.*.public_ip)
|
||||
}
|
||||
|
||||
@ -23,12 +23,7 @@ variable "k3s_cluster_secret" {
|
||||
type = string
|
||||
description = "Cluster secret for k3s cluster registration"
|
||||
}
|
||||
variable "prom_host" {
|
||||
default = ""
|
||||
}
|
||||
variable "graf_host" {
|
||||
default = ""
|
||||
}
|
||||
|
||||
variable "name" {
|
||||
default = "k3s-loadtest"
|
||||
type = string
|
||||
@ -47,11 +42,19 @@ variable "extra_ssh_keys" {
|
||||
description = "Extra ssh keys to inject into Rancher instances"
|
||||
}
|
||||
|
||||
variable "k3s_ha" {
|
||||
variable "server_ha" {
|
||||
default = 0
|
||||
description = "Enable k3s in HA mode"
|
||||
}
|
||||
|
||||
variable "etcd_count" {
|
||||
default = 3
|
||||
}
|
||||
|
||||
variable "db_engine" {
|
||||
default = "postgres"
|
||||
}
|
||||
|
||||
variable "db_instance_type" {
|
||||
}
|
||||
|
||||
@ -67,7 +70,9 @@ variable "db_password" {
|
||||
default = "b58bf234c4bd0133fc7a92b782e498a6"
|
||||
}
|
||||
|
||||
variable "master_count" {
|
||||
variable "db_version" {}
|
||||
|
||||
variable "server_count" {
|
||||
default = 1
|
||||
description = "Count of k3s master servers"
|
||||
}
|
||||
@ -76,3 +81,16 @@ variable "debug" {
|
||||
default = 0
|
||||
description = "Enable Debug log"
|
||||
}
|
||||
|
||||
variable "prom_worker_instance_type" {
|
||||
default = "m5.large"
|
||||
description = "Prometheus instance type"
|
||||
}
|
||||
|
||||
variable "domain_name" {
|
||||
description = "FQDN of the cluster"
|
||||
}
|
||||
|
||||
variable "zone_id" {
|
||||
description = "route53 zone id to register the domain name"
|
||||
}
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
#Constants
|
||||
{{$NODE_MODE := DefaultParam .NODE_MODE "allnodes"}}
|
||||
{{$NODES_PER_NAMESPACE := DefaultParam .NODES_PER_NAMESPACE 100}}
|
||||
{{$PODS_PER_NODE := DefaultParam .PODS_PER_NODE 30}}
|
||||
{{$PODS_PER_NODE := DefaultParam .PODS_PER_NODE 100}}
|
||||
{{$LOAD_TEST_THROUGHPUT := DefaultParam .LOAD_TEST_THROUGHPUT 10}}
|
||||
{{$BIG_GROUP_SIZE := 1000}}
|
||||
{{$MEDIUM_GROUP_SIZE := 500}}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user