Add mysql database storage to Grafana

main
IamTheFij 2 weeks ago
parent 0d61ebc877
commit 1c38aa212e
  1. 6
      nomad/databases/mysql.tf
  2. 85
      nomad/metrics/grafana.nomad

@ -42,6 +42,12 @@ resource "consul_config_entry" "mysql_intents" {
Precedence = 9
Type = "consul"
},
{
Action = "allow"
Name = "grafana"
Precedence = 9
Type = "consul"
},
]
})
}

@ -38,6 +38,11 @@ job "grafana" {
destination_name = "loki"
local_bind_port = 3100
}
upstreams {
destination_name = "mysql-server"
local_bind_port = 6060
}
}
}
@ -62,6 +67,70 @@ job "grafana" {
]
}
task "grafana-bootstrap" {
driver = "docker"
lifecycle {
hook = "prestart"
sidecar = false
}
config {
image = "mysql:8"
args = [
"/bin/bash",
"-c",
"/usr/bin/mysql --defaults-extra-file=/task/my.cnf < /task/bootstrap.sql",
]
mount {
type = "bind"
source = "local/"
target = "/task/"
}
}
vault {
policies = [
"access-tables",
"nomad-task",
]
}
template {
data = <<EOF
[client]
host={{ env "NOMAD_UPSTREAM_IP_mysql_server" }}
port={{ env "NOMAD_UPSTREAM_PORT_mysql_server" }}
user=root
{{ with secret "kv/data/mysql" }}
password={{ .Data.data.root_password }}
{{ end }}
EOF
destination = "local/my.cnf"
}
template {
data = <<EOF
{{ with secret "kv/data/grafana" -}}
{{ if .Data.data.db_name -}}
CREATE DATABASE IF NOT EXISTS `{{ .Data.data.db_name }}`;
CREATE USER IF NOT EXISTS '{{ .Data.data.db_user }}'@'%' IDENTIFIED BY '{{ .Data.data.db_pass }}';
GRANT ALL ON `{{ .Data.data.db_name }}`.* to '{{ .Data.data.db_user }}'@'%';
{{ else -}}
SELECT 'NOOP';
{{ end -}}
{{ end -}}
EOF
destination = "local/bootstrap.sql"
}
resources {
cpu = 50
memory = 50
}
}
task "grafana" {
driver = "docker"
@ -89,19 +158,27 @@ job "grafana" {
template {
data = <<EOF
{{ with secret "kv/data/grafana" }}
{{ with secret "kv/data/grafana" -}}
GF_SECURITY_ADMIN_PASSWORD={{ .Data.data.admin_pw }}
GF_SMTP_USER={{ .Data.data.smtp_user }}
GF_SMTP_PASSWORD={{ .Data.data.smtp_password }}
GF_EXTERNAL_IMAGE_STORAGE_S3_ACCESS_KEY={{ .Data.data.minio_access_key }}
GF_EXTERNAL_IMAGE_STORAGE_S3_SECRET_KEY={{ .Data.data.minio_secret_key }}
GRAFANA_ALERT_EMAIL_ADDRESSES={{ .Data.data.alert_email_addresses }}
{{ end }}
{{ with secret "kv/data/slack" }}
{{ if .Data.data.db_name -}}
# Database storage
GF_DATABASE_TYPE=mysql
GF_DATABASE_HOST={{ env "NOMAD_UPSTREAM_ADDR_mysql_server" }}
GF_DATABASE_NAME={{ .Data.data.db_name }}
GF_DATABASE_USER={{ .Data.data.db_user }}
GF_DATABASE_PASSWORD={{ .Data.data.db_pass }}
{{ end -}}
{{ end -}}
{{ with secret "kv/data/slack" -}}
SLACK_BOT_URL={{ .Data.data.bot_url }}
SLACK_BOT_TOKEN={{ .Data.data.bot_token }}
SLACK_HOOK_URL={{ .Data.data.hook_url }}
{{ end }}
{{ end -}}
EOF
env = true
destination = "secrets/conf.env"

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