orchestration-tests/nomad/metrics/grafana.nomad

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job "grafana" {
datacenters = ["dc1"]
group "grafana" {
count = 1
network {
mode = "bridge"
port "web" {
host_network = "loopback"
to = 3000
}
}
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ephemeral_disk {
migrate = true
sticky = true
}
service {
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name = "grafana"
port = "web"
connect {
sidecar_service {
proxy {
local_service_port = 3000
upstreams {
destination_name = "prometheus"
local_bind_port = 9090
}
}
}
sidecar_task {
resources {
cpu = 50
memory = 50
}
}
}
check {
type = "http"
path = "/"
port = "web"
interval = "10s"
timeout = "10s"
}
tags = [
"traefik.enable=true",
"traefik.http.routers.grafana.entryPoints=websecure",
]
}
task "grafana" {
driver = "docker"
config {
image = "grafana/grafana:7.3.6"
ports = ["web"]
mount {
type = "bind"
target = "/etc/grafana/grafana.ini"
source = "local/config/grafana.ini"
}
mount {
type = "bind"
target = "/etc/grafana/provisioning"
source = "local/config/provisioning"
}
}
env = {
"GF_SECURITY_ADMIN_PASSWORD" = "password",
"GF_INSTALL_PLUGINS" = "grafana-clock-panel,grafana-piechart-panel,grafana-polystat-panel",
}
template {
data = <<EOF
[paths]
# Path to where grafana can store temp files, sessions, and the sqlite3 db (if that is used)
data = /var/lib/grafana
# folder that contains provisioning config files that grafana will apply on startup and while running.
provisioning = /etc/grafana/provisioning
[server]
# Protocol (http, https, socket)
protocol = http
http_port = 3000
EOF
change_mode = "signal"
change_signal = "SIGHUP"
destination = "local/config/grafana.ini"
}
template {
data = <<EOF
---
apiVersion: 1
datasources:
- name: Prometheus
url: http://${NOMAD_UPSTREAM_ADDR_prometheus}
type: prometheus
access: proxy
isDefault: true
version: 1
EOF
change_mode = "signal"
change_signal = "SIGHUP"
destination = "local/config/provisioning/datasources/prometheus.yml"
}
resources {
cpu = 100
memory = 200
}
}
}
}