如何在 CentOS 7 上使用 TICK 堆栈监控系统指标

1sudo vi /etc/yum.repos.d/influxdata.repo

1[label /etc/yum.repos.d/influxdata.repo]
2[influxdb]
3name = InfluxData Repository - RHEL $releasever
4baseurl = https://repos.influxdata.com/rhel/$releasever/$basearch/stable
5enabled = 1
6gpgcheck = 1
7gpgkey = https://repos.influxdata.com/influxdb.key

1sudo yum install influxdb

1sudo systemctl start influxdb

1systemctl status influxdb

1[secondary_label Output
2    ● influxdb.service - InfluxDB is an open-source, distributed, time series database
3       Loaded: loaded (/usr/lib/systemd/system/influxdb.service; enabled; vendor preset: disabled)
4       Active: active (running) since Tue 2017-02-07 13:19:31 EET; 2min 46s ago
5         Docs: https://docs.influxdata.com/influxdb/
6     Main PID: 14290 (influxd)

1influx

1CREATE USER "sammy" WITH PASSWORD 'sammy_admin' WITH ALL PRIVILEGES

1show users

1[secondary_label Output]
2    user admin
3    ----  -----
4    sammy true

1exit

1sudo vi /etc/influxdb/influxdb.conf

 1[label /etc/influxdb/influxdb.conf]
 2...
 3    [http]
 4      # Determines whether HTTP endpoint is enabled.
 5      # enabled = true
 6
 7      # The bind address used by the HTTP service.
 8      # bind-address = ":8086"
 9
10      # Determines whether HTTP authentication is enabled.
11      auth-enabled = true
12...

1sudo systemctl restart influxdb

1sudo yum install telegraf

1sudo vi /etc/telegraf/telegraf.conf

 1[label /etc/telegraf/telegraf.conf]
 2    [[outputs.influxdb]]
 3      ## The full HTTP or UDP endpoint URL for your InfluxDB instance.
 4      ## Multiple urls can be specified as part of the same cluster,
 5      ## this means that only ONE of the urls will be written to each interval.
 6      # urls = ["udp://localhost:8089"] # UDP endpoint example
 7      urls = ["http://localhost:8086"] # required
 8      ## The target database for metrics (telegraf will create it if not exists).
 9      database = "telegraf" # required
10
11      ...
12
13      ## Write timeout (for the InfluxDB client), formatted as a string.
14      ## If not provided, will default to 5s. 0s means no timeout (not recommended).
15      timeout = "5s"
16      username = "sammy"
17      password = "sammy_admin"
18      ## Set the user agent for HTTP POSTs (can be useful for log differentiation)
19      # user_agent = "telegraf"
20      ## Set UDP payload size, defaults to InfluxDB UDP Client default (512 bytes)
21      # udp_payload = 512

1sudo systemctl start telegraf

1systemctl status telegraf

1[secondary_label Output]
2    ● telegraf.service - The plugin-driven server agent for reporting metrics into InfluxDB
3       Loaded: loaded (/usr/lib/systemd/system/telegraf.service; enabled; vendor preset: disabled)
4       Active: active (running) since Tue 2017-02-07 13:32:36 EET; 3min 27s ago
5         Docs: https://github.com/influxdata/telegraf
6     Main PID: 14412 (telegraf)

1influx -username 'sammy' -password 'sammy_admin'

1show databases

1[secondary_label Output]
2    name: databases
3    name
4    ----
5    _internal
6    telegraf

1use telegraf

1show measurements

 1[secondary_label Output]
 2    name: measurements
 3    name
 4    ----
 5    cpu
 6    disk
 7    diskio
 8    kernel
 9    mem
10    processes
11    swap
12    system

1exit

1sudo yum install kapacitor

1sudo vi /etc/kapacitor/kapacitor.conf

 1[label /etc/kapacitor/kapacitor.conf]
 2# Multiple InfluxDB configurations can be defined.
 3# Exactly one must be marked as the default.
 4# Each one will be given a name and can be referenced in batch queries and InfluxDBOut nodes.
 5[[influxdb]]
 6  # Connect to an InfluxDB cluster
 7  # Kapacitor can subscribe, query and write to this cluster.
 8  # Using InfluxDB is not required and can be disabled.
 9  enabled = true
10  default = true
11  name = "localhost"
12  urls = ["http://localhost:8086"]
13  username = "sammy"
14  password = "sammy_admin"
15...

1sudo systemctl daemon-reload
2sudo systemctl start kapacitor

1kapacitor list tasks

1[secondary_label Output]
2    ID Type Status Executing Databases and Retention Policies

1wget https://dl.influxdata.com/chronograf/releases/chronograf-1.2.0~beta3.x86_64.rpm
2sudo yum localinstall chronograf-1.2.0~beta3.x86_64.rpm

1sudo systemctl start chronograf

1sudo firewall-cmd --zone=public --permanent --add-port=8888/tcp
2sudo firewall-cmd --reload

1{{ .ID }} is {{ .Level }} value: {{ index .Fields "value" }}

 1[label Example message]
 2{
 3    "Name":"system",
 4    "TaskName":"chronograf-v1-50c67090-d74d-42ba-a47e-45ba7268619f",
 5    "Group":"nil",
 6    "Tags":{
 7        "host":"centos-tick"
 8    },
 9    "ID":"TEST:nil",
10    "Fields":{
11        "value":1.25
12    },
13    "Level":"CRITICAL",
14    "Time":"2017-03-08T12:09:30Z",
15    "Message":"TEST:nil is CRITICAL value: 1.25"
16}

1dd if=/dev/zero of=/dev/null

1sudo vi /usr/lib/systemd/system/chronograf.service

1[label /usr/lib/systemd/system/chronograf.service]
2[Service]
3User=chronograf
4Group=chronograf
5ExecStart=/usr/bin/chronograf --host 0.0.0.0 --port 8888 -b /var/lib/chronograf/chronograf-v1.db -c /usr/share/chronograf/canned -t 'secret_token' -i 'your_github_client_id' -s 'your_github_client_secret' -o 'your_github_organization'
6KillMode=control-group
7Restart=on-failure

1sudo systemctl daemon-reload
2sudo systemctl restart chronograf