weewx configuration

common/nomad.nix

@@ -67,6 +67,8 @@ in
         "node_name"
       ];
     };
+
+    plugin.raw_exec.config.enabled = true;
   };
 
   environment.persistence."/persist".directories = [

flake.lock

@@ -9,11 +9,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1703087360,
+        "lastModified": 1704875591,
-        "narHash": "sha256-0VUbWBW8VyiDRuimMuLsEO4elGuUw/nc2WDeuO1eN1M=",
+        "narHash": "sha256-eWRLbqRcrILgztU/m/k7CYLzETKNbv0OsT2GjkaNm8A=",
         "owner": "serokell",
         "repo": "deploy-rs",
-        "rev": "b709d63debafce9f5645a5ba550c9e0983b3d1f7",
+        "rev": "1776009f1f3fb2b5d236b84d9815f2edee463a9b",
         "type": "github"
       },
       "original": {
@@ -55,11 +55,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1703992652,
+        "lastModified": 1705183652,
-        "narHash": "sha256-C0o8AUyu8xYgJ36kOxJfXIroy9if/G6aJbNOpA5W0+M=",
+        "narHash": "sha256-rnfkyUH0x72oHfiSDhuCHDHg3gFgF+lF8zkkg5Zihsw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "32f63574c85fbc80e4ba1fbb932cde9619bad25e",
+        "rev": "428544ae95eec077c7f823b422afae5f174dee4b",
         "type": "github"
       },
       "original": {
@@ -71,11 +71,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1703961334,
+        "lastModified": 1705133751,
-        "narHash": "sha256-M1mV/Cq+pgjk0rt6VxoyyD+O8cOUiai8t9Q6Yyq4noY=",
+        "narHash": "sha256-rCIsyE80jgiOU78gCWN3A0wE0tR2GI5nH6MlS+HaaSQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b0d36bd0a420ecee3bc916c91886caca87c894e9",
+        "rev": "9b19f5e77dd906cb52dade0b7bd280339d2a1f3d",
         "type": "github"
       },
       "original": {

secrets/mysql_root_password

@@ -0,0 +1 @@
+wiochohv8foR9eDo5ol5

secrets/postgres_password

@@ -0,0 +1 @@
+Faelaishewohlees4nei

services/mysql-backup.hcl

@@ -0,0 +1,39 @@
+job "mysql-backup" {
+  datacenters = ["alo"]
+  type = "batch"
+
+  periodic {
+    cron = "23 23 * * * *"
+    prohibit_overlap = true
+  }
+
+  group "db" {
+    task "backup" {
+      driver = "raw_exec"
+
+      config {
+        command = "/bin/sh"
+        args = [ "local/script.sh" ]
+      }
+
+      template {
+        destination = "local/script.sh"
+        data = <<EOH
+          set -e
+          /run/current-system/sw/bin/nomad alloc exec -job -task=mysqld mysql \
+            mysqldump -u root --password="$MYSQL_ROOT_PASS" --all-databases > /data/compute/appdata/db-backups/mysql/backup.sql && \
+          echo "last_success $(date +%s)" | \
+          /run/current-system/sw/bin/curl --data-binary @- http://pushgateway.service.consul:9091/metrics/job/mysql_backup
+        EOH
+      }
+
+      template {
+        destination = "secrets/file.env"
+        env = true
+        data = <<EOH
+          {{- with nomadVar "secrets/mysql" -}}MYSQL_ROOT_PASS="{{ .root_password }}"{{- end -}}
+        EOH
+      }
+    }
+  }
+}

services/mysql.hcl

@@ -14,13 +14,15 @@ job "mysql" {
       driver = "docker"
 
       config {
-        image = "mysql:8.1"
+        image = "mysql:8.2"
         ports = ["db"]
-        volumes = [ "/data/compute/appdata/mysql:/var/lib/mysql" ]
+        volumes = [
+          "/data/compute/appdata/mysql:/var/lib/mysql",
+        ]
       }
 
       env {
-        MYSQL_ROOT_PASSWORD = "${var.mysql_root_password}"
+        MYSQL_ROOT_PASSWORD = "{{ with nomadVar \"secrets/mysql\" }}{{ .root_password }}{{ end }}"
       }
 
       service {
@@ -61,8 +63,3 @@ job "mysql" {
     }
   }
 }
-
-variable "mysql_root_password" {
-  type = string
-  default = "wiochohv8foR9eDo5ol5"
-}

services/postgres-backup.hcl

@@ -0,0 +1,39 @@
+job "postgres-backup" {
+  datacenters = ["alo"]
+  type = "batch"
+
+  periodic {
+    cron = "22 22 * * * *"
+    prohibit_overlap = true
+  }
+
+  group "db" {
+    task "backup" {
+      driver = "raw_exec"
+
+      config {
+        command = "/bin/sh"
+        args = [ "local/script.sh" ]
+      }
+
+      template {
+        destination = "local/script.sh"
+        data = <<EOH
+          set -e
+          /run/current-system/sw/bin/nomad alloc exec -job -task=postgres postgres \
+            pg_dumpall -U postgres > /data/compute/appdata/db-backups/postgresql/backup.sql && \
+          echo "last_success $(date +%s)" | \
+          /run/current-system/sw/bin/curl --data-binary @- http://pushgateway.service.consul:9091/metrics/job/postgres_backup
+        EOH
+      }
+
+      template {
+        destination = "secrets/file.env"
+        env = true
+        data = <<EOH
+          {{- with nomadVar "secrets/postgresql" -}}PGPASSWORD="{{ .postgres_password }}"{{- end -}}
+        EOH
+      }
+    }
+  }
+}

services/postgres.hcl

@@ -10,7 +10,6 @@ job "postgres" {
         to = 9187
       }
       port "admin" { }
-      port "backup_healthckeck" { }
     }
 
     task "postgres" {
@@ -23,7 +22,7 @@ job "postgres" {
       }
 
       env {
-        POSTGRES_PASSWORD = "${var.pg_password}"
+        POSTGRES_PASSWORD = "{{ with nomadVar \"secrets/postgresql\" }}{{ .postgres_password }}{{ end }}"
       }
 
       service {
@@ -52,7 +51,7 @@ job "postgres" {
       }
 
       env {
-        DATA_SOURCE_NAME = "postgresql://postgres:${var.pg_password}@${NOMAD_ADDR_db}/postgres?sslmode=disable"
+        DATA_SOURCE_NAME = "postgresql://postgres:{{ with nomadVar \"secrets/postgresql\" }}{{ .postgres_password }}{{ end }}@${NOMAD_ADDR_db}/postgres?sslmode=disable"
       }
 
       service {
@@ -106,34 +105,9 @@ EOH
         ]
       }
     }
-
-    task "backup" {
-      driver = "docker"
-
-      config {
-        image = "prodrigestivill/postgres-backup-local"
-        ports = [ "backup_healthckeck" ]
-        volumes = [ "/data/compute/appdata/pgbackup:/backups" ]
-      }
-
-      env {
-        POSTGRES_DB = "postgres"
-        POSTGRES_HOST = "${NOMAD_IP_db}"
-        POSTGRES_USER = "postgres"
-        POSTGRES_PASSWORD = "${var.pg_password}"
-        POSTGRES_CLUSTER = "TRUE"
-        POSTGRES_EXTRA_OPTS = ""
-        HEALTHCHECK_PORT = "${NOMAD_PORT_backup_healthckeck}"
-      }
-    }
   }
 }
 
-variable "pg_password" {
-  type = string
-  default = "Faelaishewohlees4nei"
-}
-
 variable "default_email" {
   type = string
   default = "petru@paler.net"

services/weewx.hcl

@@ -0,0 +1,66 @@
+job "weewx" {
+  datacenters = ["alo"]
+
+  meta {
+    uuid = uuidv4()
+  }
+
+  group "weather" {
+    network {
+      port "http" {
+      }
+    }
+
+    task "backend" {
+      driver = "docker"
+
+      config {
+        image = "gitea.v.paler.net/ppetru/weewx:latest"
+        volumes = [
+          "/data/compute/appdata/weewx/etc:/etc/weewx",
+          "/data/compute/appdata/weewx/html:/var/www/html",
+        ]
+      }
+
+      resources {
+        # needed for running weectl report run inside the container
+        #memory = 1024
+      }
+    }
+
+    task "frontend" {
+      driver = "docker"
+
+      config {
+        image = "pierrezemb/gostatic"
+
+        ports = [ "http" ]
+
+        args = [
+          "-port=${NOMAD_PORT_http}",
+          "-enable-health",
+        ]
+
+        volumes = [ "/data/compute/appdata/weewx/html:/srv/http" ]
+      }
+    }
+
+    service {
+      name = "weather"
+      port = "http"
+
+      tags = [
+        "traefik.enable=true",
+        "traefik.http.routers.weather.entryPoints=websecure",
+        "traefik.http.routers.weather.rule=Host(`weewx.v.paler.net`) || (Host(`alo.land`) && PathPrefix(`/weather/`))",
+      ]
+
+      check {
+        type = "http"
+        path = "/health"
+        interval = "10s"
+        timeout = "2s"
+      } 
+    }
+  }
+}

stateful-commands.txt

@@ -22,3 +22,9 @@ glusterfs tweaking for wordpress performance:
   * gluster volume set compute server.event-threads 8
   * gluster volume set compute cluster.readdir-optimize on
   * gluster volume set compute server.outstanding-rpc-limit 256
+
+mysql credentials
+  * Put secrets/mysql_root_password into a Nomad var named secrets/mysql.root_password
+
+postgres credentials
+  * Put secrets/postgres_password into a Nomad var named secrets/postgresql.postgres_password