Add speedtest cli to Telegraf config

- Install speedtest CLI on cluster leader
- Install speedtest telegraf config on leader
- cleanup hosts in ping list
- Add custom shell script on leader to output speedtest data to influxdb
- improve version checking of Telegraf binary
- bump telegraf version
- allow ' package-latest' to pass ansible-lint

templates/telegraf/base_config.conf.j2

@@ -35,7 +35,7 @@
 {% if 'pis' in group_names %}
   logtarget = "file"        ## destination  logs can be one of "file" or "stderr"
   logfile = "/var/log/telegraf/telegraf.log"
-  logfile_rotation_interval = "1d"
+  logfile_rotation_interval = "24h"
   # logfile_rotation_max_size = "0MB"
   logfile_rotation_max_archives = 2
 {% elif 'macs' in group_names %}

templates/telegraf/pingHosts.conf.j2

@@ -29,14 +29,13 @@
   urls = [{% for i in groups['pis'] %}'{{ hostvars[i].ansible_host }}'{% if not loop.last %}, {% endif %}{% endfor %},
     '10.0.30.6',
     'core1.bos1.he.net',
-    'core1.lax1.he.net',
+    'core2.lax1.he.net',
     'core1.nyc4.he.net',
-    'core1.oma1.he.net',
+    'core2.oma1.he.net',
     'core1.chi1.he.net',
     'core1.dal1.he.net',
     'core1.den1.he.net',
-    'core1.mia1.he.net',
-    'core1.bna1.he.net',
+    'core2.mia1.he.net',
     'core1.phx1.he.net',
     'core1.sea1.he.net',
     'core1.blp1.he.net',
@@ -49,10 +48,8 @@
     'core1.zrh3.he.net',
     'core2.sao1.he.net',
     'core1.sin1.he.net',
-    'core1.kpb1.he.net',
     'core1.nbo1.he.net',
     'core1.tpe1.he.net',
-    'core1.sto1.he.net',
     'core1.ymq1.he.net',
     'core2.syd1.he.net'
     ]

templates/telegraf/speedtest.conf.j2

@@ -0,0 +1,6 @@
+[[inputs.exec]]
+  commands = ["/usr/local/bin/telegraf_speedtest.sh"]
+  interval = "10m"
+  timeout = "1m"
+  name_suffix = "_speedtest"
+  data_format = "influx"