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Herr Knedel/Geweldige dingen met containers: Grafana op Synology - Diskstation

Created Mon, 18 Apr 2022 00:00:00 +0000 Modified Sun, 24 Apr 2022 10:21:50 +0000 Schwierigkeitsgrad: Es kann etwas länger dauern

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Grafana is een cross-platform open source toepassing voor het grafisch weergeven van gegevens uit verschillende gegevensbronnen, zoals InfluxDB, MySQL, PostgreSQL of Prometheus. Vandaag laat ik zien hoe je een Grafana service op een Synology DiskStation installeert.

Stap 1: Synology voorbereiden

Eerst moet de SSH-aanmelding op het DiskStation worden geactiveerd. Om dit te doen, ga naar het “Configuratiescherm” > “Terminal

Vervolgens kunt u inloggen via “SSH”, de opgegeven poort en het beheerderswachtwoord (Windows-gebruikers gebruiken Putty of WinSCP). Ik log in via Terminal, winSCP of Putty en laat deze console open voor later.

Stap 2: Grafana map aanmaken

Ik maak een nieuwe map aan genaamd “grafana” in de Docker map.

Met het commando “cd” zoek ik naar de Grafana directory:
x
+
Terminal

$ cd /volume1/docker/grafana/

Dan maak ik een “grafana.yml” bestand aan in de Grafana directory met deze inhoud:

version: "2"
services:
  grafana:
    image: grafana/grafana
    container_name: grafana_server_grafana
    restart: always
    ports:
      - 3000:3000
    networks:
      - grafana
    environment:
      - GF_SERVER_CERT_FILE=/etc/ssl/server.crt
      - GF_SERVER_CERT_KEY=/etc/ssl/server.key
      - GF_SERVER_PROTOCOL=https
      - GF_SERVER_HTTP_PORT=3000
    volumes:
      - ./grafana:/var/lib/grafana
      - ./ssl:/etc/ssl

  influxdb:
    image: influxdb
    container_name: grafana_server_influxdb
    restart: always
    ports:
      - 8086:8086
    networks:
      - grafana
    volumes:
      - ./influxdb:/var/lib/influxdb
      - ./ssl:/etc/ssl
    environment:
      - INFLUXDB_DB=telegraf
      - INFLUXDB_USER=telegraf
      - INFLUXDB_USER_PASSWORD=influxdb-password
      - INFLUXDB_ADMIN_ENABLED=true
      - INFLUXDB_ADMIN_USER=admin
      - INFLUXDB_ADMIN_PASSWORD=influxdb-password
      - INFLUXDB_HTTP_HTTPS_ENABLED=true
      - INFLUXDB_HTTP_HTTPS_CERTIFICATE=/etc/ssl/server.crt
      - INFLUXDB_HTTP_HTTPS_PRIVATE_KEY=/etc/ssl/server.key
      - INFLUXDB_HTTP_AUTH_ENABLED=true

  telegraf:
    image: telegraf
    container_name: grafana_server_telegraf
    restart: always
    environment:
      HOST_PROC: /rootfs/proc
      HOST_SYS: /rootfs/sys
      HOST_ETC: /rootfs/etc
    volumes:
     - ./telegraf.conf:/etc/telegraf/telegraf.conf:ro
     - /var/run/docker.sock:/var/run/docker.sock:ro
     - /sys:/rootfs/sys:ro
     - /proc:/rootfs/proc:ro
     - /etc:/rootfs/etc:ro

networks:
  grafana:

Ik maak nog twee submappen voor de gegevens:

x
+
Terminal

$ mkdir grafana
$ mkdir influxdb
$ chown -R 472:472 grafana

Aangezien ik SSL wil gebruiken voor Grafana en de bijbehorende interface, moet er nog een certificaat worden aangemaakt:
x
+
Terminal

$ mkdir ssl
$ openssl genrsa -aes256 -passout pass:your-password -out ssl/server.pass.key 4096
$ openssl rsa -passin pass:your-password -in ssl/server.pass.key -out ssl/server.key
$ openssl req -new -key ssl/server.key -out ssl/server.csr
$ rm ssl/server.pass.key
$ openssl x509 -req -sha256 -days 365 -in ssl/server.csr -signkey ssl/server.key -out ssl/server.crt

Zie: Tenslotte maak ik een “telegraf.conf” bestand aan met deze inhoud:

[global_tags]

[agent]
  interval = "60s"
  round_interval = true
  metric_batch_size = 1000
  metric_buffer_limit = 10000
  collection_jitter = "0s"
  flush_interval = "10s"
  flush_jitter = "0s"
  precision = ""
  hostname = "Synology DS918"
  omit_hostname = false

[[outputs.influxdb]]
urls = ["https://192.168.1.46:8086"] #synology ip
database = "telegraf"
timeout = "5s"
username = "telegraf"
password = "influxdb-password"
insecure_skip_verify = true

[[inputs.ping]]
  interval = "5s"
  urls = ["google.com", "amazon.com", "github.com"]
  count = 4
  ping_interval = 1.0
  timeout = 2.0

[[inputs.cpu]]
  percpu = true
  totalcpu = true
  collect_cpu_time = false
  report_active = false
  fielddrop = ["time_*"]

[[inputs.disk]]
  ignore_fs = ["tmpfs", "devtmpfs", "devfs", "iso9660", "overlay", "aufs", "squashfs"]

[[inputs.disk]]
  ignore_fs = ["tmpfs", "devtmpfs", "none", "iso9660", "overlay", "aufs", "squashfs"]

[[inputs.diskio]]

[[inputs.kernel]]

[[inputs.mem]]

[[inputs.swap]]

[[inputs.net]]
  fieldpass = [ "bytes*" ]

[[inputs.netstat]]

[[inputs.processes]]

[[inputs.system]]

[[inputs.net]]
  fieldpass = [ "bytes*" ]

[[inputs.docker]]
  endpoint = "unix:///var/run/docker.sock"

  gather_services = false

  container_name_include = []
  container_name_exclude = []

  timeout = "5s"

  docker_label_include = []
  docker_label_exclude = []

  perdevice = true

  total = false


   

## 

## Synology

## 
 [[inputs.snmp]]
   # List of agents to poll
   agents = [ "192.168.1.46" ] # required - enter the IP address of your Synology device
   
   # Polling interval
   interval = "60s"
   
   # Timeout for each SNMP query.
   timeout = "10s"
   
   # Number of retries to attempt within timeout.
   retries = 3
   
   # SNMP version, UAP only supports v1
   version = 2
   
   # SNMP community string.
   community = "public"
   
   # The GETBULK max-repetitions parameter
   max_repetitions = 30
   
   # Measurement name
   name = "snmp.SYNO"

   #  System name (hostname)
   [[inputs.snmp.field]]
     is_tag = true
     name = "sysName"
     oid = "RFC1213-MIB::sysName.0"
   #  System vendor OID
   [[inputs.snmp.field]]
     name = "sysObjectID"
     oid = "RFC1213-MIB::sysObjectID.0"
   #  System description
   [[inputs.snmp.field]]
     name = "sysDescr"
     oid = "RFC1213-MIB::sysDescr.0"
   #  System contact
   [[inputs.snmp.field]]
     name = "sysContact"
     oid = "RFC1213-MIB::sysContact.0"
   #  System location
   [[inputs.snmp.field]]
     name = "sysLocation"
     oid = "RFC1213-MIB::sysLocation.0"
   #  System uptime
   [[inputs.snmp.field]]
     name = "sysUpTime"
     oid = "RFC1213-MIB::sysUpTime.0"
   # Inet interface
   [[inputs.snmp.table]]
     oid = "IF-MIB::ifTable"
     [[inputs.snmp.table.field]]
       is_tag = true
     oid = "IF-MIB::ifDescr"
   #Syno disk
   [[inputs.snmp.table]]
     oid = "SYNOLOGY-DISK-MIB::diskTable"
     [[inputs.snmp.table.field]]
       is_tag = true
     oid = "SYNOLOGY-DISK-MIB::diskID" 
   #Syno raid
   [[inputs.snmp.table]]
     oid = "SYNOLOGY-RAID-MIB::raidTable"
     [[inputs.snmp.table.field]]
       is_tag = true
     oid = "SYNOLOGY-RAID-MIB::raidName" 
   #Syno load
   [[inputs.snmp.table]]
     oid = "UCD-SNMP-MIB::laTable"
     [[inputs.snmp.table.field]]
       is_tag = true
     oid = "UCD-SNMP-MIB::laNames"
   #  System memTotalSwap
   [[inputs.snmp.field]]
     name = "memTotalSwap"
     oid = "UCD-SNMP-MIB::memTotalSwap.0"
   #  System memAvailSwap
   [[inputs.snmp.field]]
     name = "memAvailSwap"
     oid = "UCD-SNMP-MIB::memAvailSwap.0"
   #  System memTotalReal
   [[inputs.snmp.field]]
     name = "memTotalReal"
     oid = "UCD-SNMP-MIB::memTotalReal.0"
   #  System memAvailReal
   [[inputs.snmp.field]]
     name = "memAvailReal"
     oid = "UCD-SNMP-MIB::memAvailReal.0"
   #  System memTotalFree
   [[inputs.snmp.field]]
     name = "memTotalFree"
     oid = "UCD-SNMP-MIB::memTotalFree.0"
   #  System Status
   [[inputs.snmp.field]]
     name = "systemStatus"
     oid = "SYNOLOGY-SYSTEM-MIB::systemStatus.0"
   #  System temperature
   [[inputs.snmp.field]]
     name = "temperature"
     oid = "SYNOLOGY-SYSTEM-MIB::temperature.0"
   #  System powerStatus
   [[inputs.snmp.field]]
     name = "powerStatus"
     oid = "SYNOLOGY-SYSTEM-MIB::powerStatus.0"
   #  System systemFanStatus
   [[inputs.snmp.field]]
     name = "systemFanStatus"
     oid = "SYNOLOGY-SYSTEM-MIB::systemFanStatus.0"
   #  System cpuFanStatus
   [[inputs.snmp.field]]
     name = "cpuFanStatus"
     oid = "SYNOLOGY-SYSTEM-MIB::cpuFanStatus.0"
   #  System modelName
   [[inputs.snmp.field]]
     name = "modelName"
     oid = "SYNOLOGY-SYSTEM-MIB::modelName.0"
   #  System serialNumber
   [[inputs.snmp.field]]
     name = "serialNumber"
     oid = "SYNOLOGY-SYSTEM-MIB::serialNumber.0"
   #  System version
   [[inputs.snmp.field]]
     name = "version"
     oid = "SYNOLOGY-SYSTEM-MIB::version.0"
   #  System upgradeAvailable
   [[inputs.snmp.field]]
     name = "upgradeAvailable"
     oid = "SYNOLOGY-SYSTEM-MIB::upgradeAvailable.0"
   # System volume   
   [[inputs.snmp.table]]
     oid = "HOST-RESOURCES-MIB::hrStorageTable"
   [[inputs.snmp.table.field]]
       is_tag = true
     oid = "HOST-RESOURCES-MIB::hrStorageDescr"
   # System ssCpuUser 
   [[inputs.snmp.field]]
     name = "ssCpuUser"
     oid = ".1.3.6.1.4.1.2021.11.9.0"
   # System ssCpuSystem  
   [[inputs.snmp.field]]
     name = "ssCpuSystem"
     oid = ".1.3.6.1.4.1.2021.11.10.0"
   # System ssCpuIdle   
   [[inputs.snmp.field]]
     name = "ssCpuIdle"
     oid = ".1.3.6.1.4.1.2021.11.11.0"
   # Service users CIFS
   [[inputs.snmp.table.field]]
     name = "usersCIFS"
     oid = "SYNOLOGY-SERVICES-MIB::serviceUsers"
     oid_index_suffix = "1"
   # Service users AFP
   [[inputs.snmp.table.field]]
     name = "usersAFP"
     oid = "SYNOLOGY-SERVICES-MIB::serviceUsers"
     oid_index_suffix = "2"
   # Service users NFS
   [[inputs.snmp.table.field]]
     name = "usersNFS"
     oid = "SYNOLOGY-SERVICES-MIB::serviceUsers"
     oid_index_suffix = "3"
   # Service users FTP
   [[inputs.snmp.table.field]]
     name = "usersFTP"
     oid = "SYNOLOGY-SERVICES-MIB::serviceUsers"
     oid_index_suffix = "4"
   # Service users SFTP
   [[inputs.snmp.table.field]]
     name = "usersSFTP"
     oid = "SYNOLOGY-SERVICES-MIB::serviceUsers"
     oid_index_suffix = "5"
   # Service users HTTP
   [[inputs.snmp.table.field]]
     name = "usersHTTP"
     oid = "SYNOLOGY-SERVICES-MIB::serviceUsers"
     oid_index_suffix = "6"
   # Service users TELNET
   [[inputs.snmp.table.field]]
     name = "usersTELNET"
     oid = "SYNOLOGY-SERVICES-MIB::serviceUsers"
     oid_index_suffix = "7"
   # Service users SSH
   [[inputs.snmp.table.field]]
     name = "usersSSH"
     oid = "SYNOLOGY-SERVICES-MIB::serviceUsers"
     oid_index_suffix = "8"
   # Service users OTHER
   [[inputs.snmp.table.field]]
     name = "usersOTHER"
     oid = "SYNOLOGY-SERVICES-MIB::serviceUsers"
     oid_index_suffix = "9"
   # UPS Status
   [[inputs.snmp.table.field]]
     name = "upsStatus"
     oid = "SYNOLOGY-UPS-MIB::upsInfoStatus"
   # UPS Load
   [[inputs.snmp.table.field]]
     name = "upsLoad"
     oid = "SYNOLOGY-UPS-MIB::upsInfoLoadValue"
   # UPS Battery Charge
   [[inputs.snmp.table.field]]
     name = "upsCharge"
     oid = "SYNOLOGY-UPS-MIB::upsBatteryChargeValue"
   # UPS Battery Charge Warning
   [[inputs.snmp.table.field]]
     name = "upsWarning"
     oid = "SYNOLOGY-UPS-MIB::upsBatteryChargeWarning"

[[inputs.docker]]
  endpoint = "unix:///var/run/docker.sock"

  gather_services = false

  container_name_include = []
  container_name_exclude = []

  timeout = "5s"

  docker_label_include = []
  docker_label_exclude = []

  perdevice = true

  total = false

Start nu de Grafana server met deze Compose oproep:

x
+
Terminal

$ sudo docker-compose -f grafana.yml up

Stap 3: Configuratie

Nu kan ik de server oproepen, de database configureren, een dashboard maken en meer meetgegevens koppelen.