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--- hashicorp_consul [2026/11/01 10:58]
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+++ hashicorp_consul [2026/11/01 15:14] (current)
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 ====== Hashicorp Consul ======
+==== Запуск ====
+<code>
+server# docker run -d --name consul-dev -p 8500:8500 hashicorp/consul:2.1.0 agent -dev -client=0.0.0.0
+</code>
+==== Добавление и мониторинг web сервисов ====
+  * [[Язык программирования Python#Доступ к каталогу по http]] на gate
+<code>
+$ curl --request PUT \
+  --url http://server:8500/v1/agent/service/register \
+  --header 'Content-Type: application/json' \
+  --data '{
+    "ID": "web-app-N",
+    "Name": "web-service",
+    "Address": "192.168.X.1",
+    "Port": 8N,
+    "Check": {
+      "Name": "Web App HTTP Check",
+      "HTTP": "http://192.168.X.1:8N/",
+      "Interval": "10s",
+      "Timeout": "1s"
+    }
+  }'
+...
+$ curl -s "http://server:8500/v1/health/service/web-service" | ...
+  или
+$ curl -s "http://server:8500/v1/health/service/web-service?passing=1" | ...
+... jq '.[] | .Node.Node as $node | .Service.ID as $sid | .Checks[] | {Node: $node, ServiceID: $sid, CheckName: .Name, Status: .Status}'
+</code>
+  * [[Сервис Prometheus]]
+<code>
+server$ curl -s "http://localhost:8500/v1/health/service/web-service?passing=1" | \
+jq '[{ "targets": [ .[] | "\(.Service.Address):\(.Service.Port)" ], "labels": { "job": "web-service" } }]' \
+| tee /etc/prometheus/targets.json
+</code>
+==== Удаление сервиса ====
+<code>
+server$ ID=web-app-N
+server$ curl --request PUT http://localhost:8500/v1/agent/service/deregister/$ID
+</code>
+==== Пример с node-exporter ====
+  * Prometheus [[Сервис Prometheus#Service Discovery]]
+<code>
+server$ curl --request PUT \
+  --data '{
+    "ID": "node-exporter-gate",
+    "Name": "node-exporter",
+    "Address": "192.168.X.1",
+    "Port": 9100
+  }' \
+  http://server:8500/v1/agent/service/register
+clientN:~# crontab -l
+</code><code>
+@reboot sleep 10; /usr/local/bin/register-in-consul.sh
+</code><code>
+#!/bin/bash
+IP_ADDRESS=$(ip route get 1 | awk '{print $7; exit}')
+HOSTNAME=$(hostname)
+SERVICE_ID="node-exporter-$HOSTNAME"
+curl --request PUT \
+  --header "Content-Type: application/json" \
+  --data "{
+    \"ID\": \"$SERVICE_ID\",
+    \"Name\": \"node-exporter\",
+    \"Address\": \"$IP_ADDRESS\",
+    \"Port\": 9100,
+    \"Meta\": {
+      \"hostname\": \"$HOSTNAME\"
+    }
+  }" \
+  http://server:8500/v1/agent/service/register
+</code>
+==== Пример с windows-exporter ====
+<code>
+PS> mkdir C:\Scripts
+PS> notepad C:\Scripts\register-in-consul.ps1
+</code><code>
+$Hostname = [System.Net.Dns]::GetHostName()
+$ServiceId = "windows-exporter-$Hostname"
+$IpAddress = (Get-NetIPAddress -AddressFamily IPv4 |
+    Where-Object { $_.InterfaceAlias -notlike "*Loopback*" -and $_.IPAddress -notlike "169.254.*" } |
+    Select-Object -First 1).IPAddress
+$Body = @{
+    ID      = $ServiceId
+    Name    = "windows-exporter"
+    Address = $IpAddress
+    Port    = 9182
+    Meta    = @{
+        hostname = $Hostname
+    }
+} | ConvertTo-Json -Compress
+$Uri = "http://server:8500/v1/agent/service/register"
+Invoke-RestMethod -Method Put -Uri $Uri -ContentType "application/json" -Body $Body
+</code><code>
+PS> PowerShell.exe -ExecutionPolicy Bypass -File C:\Scripts\register-in-consul.ps1
+PS Admin>
+$Action = New-ScheduledTaskAction -Execute "PowerShell.exe" -Argument "-NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -File C:\Scripts\register-in-consul.ps1"
+$Trigger = New-ScheduledTaskTrigger -AtStartup
+$Trigger.Delay = "PT10S"
+Register-ScheduledTask -TaskName "RegisterInConsul" -Action $Action -Trigger $Trigger -User "NT AUTHORITY\SYSTEM" -Force
+PS Admin> Get-ScheduledTask -TaskName "RegisterInConsul"
+</code>

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