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275 Commits 2 Branches 39 Tags
e9d3f8cd2bc4df9f02291269988a98459ef02c46
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68 Commits

Author SHA1 Message Date
Sachin Kamboj
7e60ee675a Simplify updateCounters, don't try to maintain a running count 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-08 07:56:04 -04:00
Sachin Kamboj
d68d35bbab Add a ping time that gives the last time a node was pinged 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-07 21:04:43 -04:00
Sachin Kamboj
2a78a9cec5 Don't ping all pods on call, return existing data 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-07 20:49:01 -04:00
Sachin Kamboj
9db241d67d Update the set of pingers at regular intervals from the k8s API server 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-07 19:54:19 -04:00
Sachin Kamboj
40f57b1a4e Get rid of the lock and keep a running count of healthy/unhealthy nodes 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-07 08:45:14 -04:00
Sachin Kamboj
8a40aee927 Have the updater continuously ping pods and collate the results 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-07 08:02:36 -04:00
Sachin Kamboj
0690ac21a2 Command line options for adding a jitter-factor 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-07 07:55:48 -04:00
Sachin Kamboj
d0dfd3e493 Add code to continuously ping the pods and send the results over a channel 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-07 07:54:10 -04:00
Sachin Kamboj
9ae3e78035 Better structured logging 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-06 22:39:57 -04:00
Sachin Kamboj
2e1c799a25 Replace log statements with zap 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-06 22:18:04 -04:00
Sachin Kamboj
1c6362b2a9 Add a context to the ping results 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-06 19:43:22 -04:00
Sachin Kamboj
7bbdcacf9b Add a context/timeout to the heatmap 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-06 19:42:59 -04:00
Sachin Kamboj
3a6ab53ced Add a context to the updater 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-06 19:41:43 -04:00
Sachin Kamboj
aa7eaca30e Get the context from the request and add overall timeouts 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-06 19:38:32 -04:00
Sachin Kamboj
86f9f8a1dd Add a context and timeout to the ping and check calls 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-06 19:36:14 -04:00
Sachin Kamboj
c8fbf618c7 Add flags for custom timeouts for the three operations 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-06 19:32:47 -04:00
Sachin Kamboj
1338f28163 Increment the major version since this is a breaking change 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-03 23:31:05 -04:00
Sachin Kamboj
f0c66f29c7 Store results by pod name instead of pod IP 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-03 23:22:52 -04:00
Sachin Kamboj
86febf8295 Update the way of selecting pods 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-03 23:17:26 -04:00
Sachin Kamboj
aa789fdea8 Add a PodName to the config 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-03 23:16:43 -04:00
Sachin Kamboj
a95279ac8e Also remove the PodSelector from the config and main 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-03 23:13:53 -04:00
Sachin Kamboj
6ee538549a Simplify and remove the PodSelecter struct 
There is currently only a single way to select pods to ping and there is really no way to conifgure alternatives. So this commit removes the struct and simplifes the code.

Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-03 23:11:53 -04:00
Sachin Kamboj
7fa3138235 Also store the PodName when fetching from k8s API server. Also map from podName to GoldpingerPod sruct 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-03 23:10:36 -04:00
Sachin Kamboj
00cd1e3886 Auto-generated code with the changes to the swagger 
Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>
 2020-04-03 23:09:05 -04:00
Mikolaj Pawlikowski
94d4a7c81e Use HostIP as podIP, if the there is no podIP 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2020-03-11 13:25:12 +00:00
Mikolaj Pawlikowski
d297e2f3c6 Change CheckAllPods to return an error when can't create a server 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2020-03-11 13:05:22 +00:00
Mikolaj Pawlikowski
02067f03ab Change PingAllPods to send an error if the client can't be created 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2020-03-11 13:05:22 +00:00
Mikolaj Pawlikowski
b96cab34ea Change the client builder to fail, if the IP provided is empty, instead of defaulting to localhost 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2020-03-11 13:05:22 +00:00
Mikolaj Pawlikowski
bc7afb7a17 Return response time on failure to ping 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2020-03-11 13:05:22 +00:00
Mikolaj Pawlikowski
89a6c76c9c Formatting 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2020-03-11 13:05:22 +00:00
Mikolaj Pawlikowski
ae67cf3594 Add a note about the DNS addresses being space-delimited 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2019-09-06 14:57:08 +01:00
Chris Green
bcbc2ac6fc :trollface: re-ran swagger 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-08-21 04:53:01 -04:00
Chris Green
192fc433a2 Added metric for DNS failures 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-07-04 03:06:29 -04:00
Chris Green
1b12b7dc6b Version bump 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-06-09 08:44:49 -04:00
Chris Green
5e0ecdd8d1 Updates from swagger change 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-06-05 14:30:53 -04:00
Chris Green
d834433d30 Moved dns check into client 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-06-05 14:30:11 -04:00
Chris Green
b64f5152f2 Moved DnsResults into CheckResults 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-06-05 14:28:40 -04:00
Chris Green
bbac97c17e Refactored swagger.yml for fewer dns requests 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-06-04 02:54:23 -04:00
Chris Green
74ffcc8d2e Do the dns lookup 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-06-02 13:18:40 -04:00
Chris Green
9586e16237 Updated models from swagger 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-06-02 13:18:05 -04:00
Chris Green
31a503d831 Added env-delim for envvar config 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-06-02 11:18:25 -04:00
Chris Green
195691518b Added DnsHosts to config 
Signed-off-by: Chris Green <34572557+cgreen12@users.noreply.github.com>
 2019-06-01 15:18:26 -04:00
Mikolaj Pawlikowski
11ec058b3b Add PING_NUMBER envvar support 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2019-03-14 11:27:49 +00:00
stuart nelson
895af850a1 Make PodSelecter a member on config struct 
Signed-off-by: stuart nelson <stuartnelson3@gmail.com>
 2019-03-13 15:30:18 +01:00
stuart nelson
771f303062 Add rendezvous hash for selecting subset of nodes 
Select a user-defined number of pods via
rendezvous hash. This is important for larger
clusters, where the metric cardinality explosion
is too much for a single prometheus to handle.

Signed-off-by: stuart nelson <stuartnelson3@gmail.com>
 2019-03-13 15:30:18 +01:00
Mikolaj Pawlikowski
593307dc01 change the block size to 14 pixels (enough for two digits, so 100 machines cluster) 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2019-02-22 17:32:22 +00:00
Mikolaj Pawlikowski
d8f0d696ea add a basic legend to the heatmap image 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2019-02-21 18:34:30 +00:00
Mikolaj Pawlikowski
2efee0f5e5 read the tresholds from the query params 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2019-02-21 17:40:06 +00:00
Mikolaj Pawlikowski
fd84599157 remove debug print statements 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2019-02-21 16:13:20 +00:00
Mikolaj Pawlikowski
f5c2763000 add an endpoint for generating a /heatmap.png 
Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
 2019-02-21 13:51:20 +00:00