Grafana ist eine plattformübergreifende Open-Source-Anwendung zur grafischen Darstellung von Daten aus verschiedenen Datenquellen wie z. B. InfluxDB, MySQL, PostgreSQL oder Prometheus. Heute zeige ich, wie man einen Grafana-Dienst auf der Synology-Diskstation installiert.
Schritt 1: Synology vorbereiten
Als erstes muss der SSH-Login auf der Diskstation aktiviert werden. Dazu geht man in die „Systemsteuerung“ > „Terminal & SNMP“ und aktiviert dort die „SSH-Dienst aktivieren“-Einstellung.
Danach kann man sich via „SSH„, den angegebenen Port und den Administrator-Password anmelden (Windows-Nutzer nehmen Putty oder WinSCP).
Ich logge mich via Terminal, winSCP oder Putty ein und lasse diese Konsole für später offen.
Schritt 2: Grafana-Ordner erstellen
Ich erstelle ein neues Verzeichnis namens „grafana“ im Docker-Verzeichnis.
Mit dem Befehl “cd” suche ich das Grafana-Verzeichnis auf:
$ cd /volume1/docker/grafana/
Dann erstelle ich dort eine „grafana.yml“-Datei im Grafana-Verzeichnis mit diesem Inhalt:
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:
Ich erstelle noch zwei Unterordner für die Daten:
$ mkdir grafana
$ mkdir influxdb
$ chown -R 472:472 grafana
Da ich für Grafana und die dazugehörigen Schnittstelle SSL nutzen will, muss noch ein Zertifikat erstellt werden:
$ 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
Als Letztes erstelle ich eine “telegraf.conf”-Datei mit diesem Inhalt:
[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
Nun starte den Grafana-Server mit diesem Compose-Aufruf:
$ sudo docker-compose -f grafana.yml up
Schritt 3: Konfiguration
Nun kann ich den Server aufrufen, die Datenbank konfigurieren, Dashboard erstellen und weitere Messdaten anschliessen.