jprdonnelly/kubernetes-cluster
1
0
Fork 0
mirror of https://github.com/jprdonnelly/kubernetes-cluster.git synced 2025-12-19 18:05:19 -05:00
Code Issues Projects Releases Wiki Activity

Adding optional Grafana and Prometheus deployments

Browse Source
This commit is contained in:
jprdonnelly
2019-09-04 11:31:36 -04:00
parent 6ab9be3f35
commit 931dbaea26
7 changed files with 276 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
Vagrantfile vendored
View File

@@ -56,15 +56,15 @@ EOF'
curl -sSL get.docker.com | sh
# Setup daemon.
sudo bash -c 'cat <<EOF> /etc/docker/daemon.json
{
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2"
}
sudo bash -c 'cat <<EOF> /etc/docker/daemon.json
{
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2"
}
EOF'
sudo mkdir -p /etc/systemd/system/docker.service.d
@@ -89,7 +89,7 @@ EOF'
# systemctl daemon-reload
sudo apt update && sudo apt install -y docker ntpdate nmap netcat neofetch socat apt-transport-https ca-certificates curl software-properties-common nfs-common sshpass kubelet kubeadm kubectl kubernetes-cni
sudo apt update && sudo apt install -y docker ntpdate nmap netcat neofetch socat apt-transport-https ca-certificates curl software-properties-common sshpass kubelet kubeadm kubectl kubernetes-cni
echo "libssl1.1 libssl1.1/restart-services boolean true" | sudo debconf-set-selections
sudo DEBIAN_FRONTEND=noninteractive apt update && sudo DEBIAN_FRONTEND=noninteractive apt upgrade -y
@@ -183,19 +183,7 @@ $configureNFS = <<-SCRIPT
# Label the node that will host NFS pvs
# kubectl label nodes k8s-nfs role=nfs
# kubectl taint nodes k8s-nfs key=value:NoSchkubectl label nodes k8s-nfs role=nfsedule
# echo "################################################################"
# echo " Deploy nfs-provisioner in k8s cluster
# echo " using dedicated disk attached to k8s-node1"
# echo "################################################################"
# # Pull and apply the nfs-provisioner
# sleep 60
# kubectl apply -f https://raw.githubusercontent.com/jprdonnelly/kubernetes-cluster/master/nfs-provisioner/nfs-deployment.yaml
# kubectl apply -f https://raw.githubusercontent.com/jprdonnelly/kubernetes-cluster/master/nfs-provisioner/nfs-class.yaml
# # Define the new storage class as default
# kubectl patch storageclass nfs-dynamic -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
# kubectl taint nodes k8s-nfs key=value:NoSchedule
SCRIPT
# Insanely broken - barely fit for testing
@@ -220,6 +208,7 @@ Vagrant.configure("2") do |config|
end
servers.each do |opts|
config.ssh.keep_alive = true
config.vm.define opts[:name] do |config|
config.vm.box = opts[:box]
config.vm.box_version = opts[:box_version]

13
grafana/grafana-claim-persistentvolumeclaim.yaml Normal file
View File

@@ -0,0 +1,13 @@
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
creationTimestamp: null
labels:
component: grafana
name: grafana-claim
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 10Gi

54
grafana/grafana-deployment.yaml Normal file
View File

@@ -0,0 +1,54 @@
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: grafana
name: grafana-deployment
spec:
replicas: 1
selector:
matchLabels:
component: grafana
template:
metadata:
labels:
component: grafana
spec:
volumes:
- name: grafana-claim
persistentVolumeClaim:
claimName: grafana-claim
containers:
- name: grafana
image: pharosproduction/grafana:6
imagePullPolicy: IfNotPresent
ports:
- containerPort: 3000
resources:
limits:
cpu: 500m
memory: 2500Mi
requests:
cpu: 100m
memory: 100Mi
# livenessProbe:
# exec:
# command:
# - wget
# - localhost:3000
# - --spider
# initialDelaySeconds: 30
# periodSeconds: 30
# readinessProbe:
# exec:
# command:
# - wget
# - localhost:3000
# - --spider
# initialDelaySeconds: 120
# periodSeconds: 5
volumeMounts:
- mountPath: /var/lib/grafana
name: grafana-claim

16
grafana/grafana-ip-service.yaml Normal file
View File

@@ -0,0 +1,16 @@
apiVersion: v1
kind: Service
metadata:
name: grafana-ip-service
namespace: default
annotations:
prometheus.io/scrape: 'true'
prometheus.io/path: /metrics
prometheus.io/port: '3000'
spec:
type: ClusterIP
selector:
component: grafana
ports:
- port: 3000
targetPort: 3000

123
prometheus/config-map.yaml Normal file
View File

@@ -0,0 +1,123 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: prometheus-server-conf
labels:
name: prometheus-server-conf
namespace: default
data:
prometheus.yml: |-
global:
scrape_interval: 5s
evaluation_interval: 5s
rule_files:
- /etc/prometheus/prometheus.rules
alerting:
alertmanagers:
- scheme: http
static_configs:
- targets:
- "alertmanager.monitoring.svc:9093"
scrape_configs:
- job_name: 'kubernetes-apiservers'
kubernetes_sd_configs:
- role: endpoints
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
relabel_configs:
- source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
action: keep
regex: default;kubernetes;https
- job_name: 'kubernetes-nodes'
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
- target_label: __address__
replacement: kubernetes.default.svc:443
- source_labels: [__meta_kubernetes_node_name]
regex: (.+)
target_label: __metrics_path__
replacement: /api/v1/nodes/${1}/proxy/metrics
- job_name: 'kubernetes-pods'
kubernetes_sd_configs:
- role: pod
relabel_configs:
- source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
action: keep
regex: true
- source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
action: replace
target_label: __metrics_path__
regex: (.+)
- source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
action: replace
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
target_label: __address__
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
- source_labels: [__meta_kubernetes_namespace]
action: replace
target_label: kubernetes_namespace
- source_labels: [__meta_kubernetes_pod_name]
action: replace
target_label: kubernetes_pod_name
- job_name: 'kubernetes-cadvisor'
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
- target_label: __address__
replacement: kubernetes.default.svc:443
- source_labels: [__meta_kubernetes_node_name]
regex: (.+)
target_label: __metrics_path__
replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor
- job_name: 'kubernetes-service-endpoints'
kubernetes_sd_configs:
- role: endpoints
relabel_configs:
- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
action: keep
regex: true
- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
action: replace
target_label: __scheme__
regex: (https?)
- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
action: replace
target_label: __metrics_path__
regex: (.+)
- source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
action: replace
target_label: __address__
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- source_labels: [__meta_kubernetes_namespace]
action: replace
target_label: kubernetes_namespace
- source_labels: [__meta_kubernetes_service_name]
action: replace
target_label: kubernetes_name

40
prometheus/prometheus-deployment.yaml Normal file
View File

@@ -0,0 +1,40 @@
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: prometheus-deployment
namespace: default
spec:
replicas: 1
template:
metadata:
labels:
app: prometheus-server
spec:
containers:
- name: prometheus
image: prom/prometheus:latest
args:
- "--config.file=/etc/prometheus/prometheus.yml"
- "--storage.tsdb.path=/prometheus/"
ports:
- containerPort: 9090
volumeMounts:
- name: prometheus-config-volume
mountPath: /etc/prometheus/
- name: prometheus-storage-volume
mountPath: /prometheus/
resources:
requests:
memory: "512Mi"
cpu: "500m"
limits:
memory: "1Gi"
cpu: "1000m"
volumes:
- name: prometheus-config-volume
configMap:
defaultMode: 420
name: prometheus-server-conf
- name: prometheus-storage-volume
emptyDir: {}

18
prometheus/prometheus-ip-service.yaml Normal file
View File

@@ -0,0 +1,18 @@
apiVersion: v1
kind: Service
metadata:
name: prometheus-ip-service
namespace: default
# namespace: monitoring
annotations:
prometheus.io/scrape: 'true'
prometheus.io/path: /metrics
prometheus.io/port: '9090'
spec:
selector:
app: prometheus-server
type: ClusterIP
ports:
- port: 9090
targetPort: 9090