ansible-roles/fluentd-client#4 Moior FluentD buffer

tasks/install.yml

@@ -28,3 +28,21 @@
   args:
     chdir: /opt/{{ netdata_local_archive|default('netdata') }}
   when: netdata_clone.changed or netdata_extract.changed
+
+- name: "Install Custom Charts"
+  template:
+    src: '{{ item }}.chart.sh'
+    dest: '/usr/libexec/netdata/charts.d/{{ item }}.chart.sh'
+  with_items:
+    - 'fluentd_buffer'
+  notify:
+    - "Restart NetData"
+
+- name: "Install Custom Alerts"
+  template:
+    src: '{{ item }}.conf'
+    dest: '/etc/netdata/health.d/{{ item }}.conf'
+  with_items:
+    - 'fluentd_buffer'
+  notify:
+    - "Restart NetData"

templates/fluentd_buffer.chart.sh

+fluentd_buffer_update_every=5
+fluentd_buffer_priority=12000
+fluentd_buffer_value1=0
+fluentd_buffer_last=0
+fluentd_buffer_count=0
+
+fluentd_buffer_get() {
+  fluentd_buffer_value1=$(find /var/log/td-agent/buffer -type f | wc -l)
+  return 0
+}
+
+fluentd_buffer_check() {
+  return 0
+}
+
+fluentd_buffer_create() {
+  cat <<EOF
+CHART fluentd_buffer.files '' "Files in buffer" "files" fluentd fluentd.countfiles line $((fluentd_buffer_priority + 1)) $fluentd_buffer_update_every
+DIMENSION countfiles '' absolute 1 1
+EOF
+  return 0
+}
+
+fluentd_buffer_update() {
+  fluentd_buffer_get || return 1
+
+  cat <<VALUESEOF
+BEGIN fluentd_buffer.files $1
+SET countfiles = $fluentd_buffer_value1
+END
+VALUESEOF
+
+  return 0
+}

templates/fluentd_buffer.conf

+template: fluentd_buffer_files
+      on: fluentd_buffer.files
+    calc: $this
+   green: 15
+     red: 20
+   every: 10s
+    warn: $this > $green
+    crit: $this > $red
+    info: files in buffer
+      to: sysadmin