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-rw-r--r--health/health.d/kubelet.conf115
-rw-r--r--health/health.d/x509check.conf (renamed from health/health.d/sslcheck.conf)6
2 files changed, 118 insertions, 3 deletions
diff --git a/health/health.d/kubelet.conf b/health/health.d/kubelet.conf
new file mode 100644
index 000000000..d2ef24b58
--- /dev/null
+++ b/health/health.d/kubelet.conf
@@ -0,0 +1,115 @@
+# you can disable an alarm notification by setting the 'to' line to: silent
+
+# -----------------------------------------------------------------------------
+
+# True (1) if the node is experiencing a configuration-related error, false (0) otherwise.
+
+ template: node_config_error
+ on: k8s_kubelet.kubelet_node_config_error
+ calc: $kubelet_node_config_error
+ units: bool
+ every: 10s
+ warn: $this == 1
+ delay: down 1m multiplier 1.5 max 2h
+ info: the node is experiencing a configuration-related error
+ to: sysadmin
+
+# Failed Token() requests to the alternate token source
+
+ template: token_requests
+ lookup: sum -10s of token_fail_count
+ on: k8s_kubelet.kubelet_token_requests
+ units: failed requests
+ every: 10s
+ warn: $this > 0
+ delay: down 1m multiplier 1.5 max 2h
+ info: failed token requests to alternate token source
+ to: sysadmin
+
+# Docker and runtime operation errors
+
+ template: kubelet_operations_error
+ lookup: sum -1m
+ on: k8s_kubelet.kubelet_operations_errors
+ units: errors
+ every: 10s
+ warn: $this > (($status >= $WARNING) ? (0) : (20))
+ delay: up 30s down 1m multiplier 1.5 max 2h
+ info: operations error
+ to: sysadmin
+
+# -----------------------------------------------------------------------------
+
+# Pod Lifecycle Event Generator Relisting Latency
+
+# 1. calculate the pleg relisting latency for 1m (quantile 0.5, quantile 0.9, quantile 0.99)
+# 2. do the same for the last 10s
+# 3. raise an alarm if the later is:
+# - 2x the first for quantile 0.5
+# - 4x the first for quantile 0.9
+# - 8x the first for quantile 0.99
+#
+# we assume the minimum latency is 1000 microseconds
+
+# quantile 0.5
+
+template: 1m_kubelet_pleg_relist_latency_quantile_05
+ on: k8s_kubelet.kubelet_pleg_relist_latency_microseconds
+ lookup: average -1m unaligned of kubelet_pleg_relist_latency_05
+ units: microseconds
+ every: 10s
+ info: the average value of pleg relisting latency during the last minute (quantile 0.5)
+
+template: 10s_kubelet_pleg_relist_latency_quantile_05
+ on: k8s_kubelet.kubelet_pleg_relist_latency_microseconds
+ lookup: average -10s unaligned of kubelet_pleg_relist_latency_05
+ calc: $this * 100 / (($1m_kubelet_pleg_relist_latency_quantile_05 < 1000)?(1000):($1m_kubelet_pleg_relist_latency_quantile_05))
+ every: 10s
+ units: %
+ warn: $this > (($status >= $WARNING)?(100):(200))
+ crit: $this > (($status >= $WARNING)?(200):(400))
+ delay: down 1m multiplier 1.5 max 2h
+ info: the % of the pleg relisting latency in the last 10 seconds, compared to the last minute (quantile 0.5)
+ to: sysadmin
+
+# quantile 0.9
+
+template: 1m_kubelet_pleg_relist_latency_quantile_09
+ on: k8s_kubelet.kubelet_pleg_relist_latency_microseconds
+ lookup: average -1m unaligned of kubelet_pleg_relist_latency_09
+ units: microseconds
+ every: 10s
+ info: the average value of pleg relisting latency during the last minute (quantile 0.9)
+
+template: 10s_kubelet_pleg_relist_latency_quantile_09
+ on: k8s_kubelet.kubelet_pleg_relist_latency_microseconds
+ lookup: average -10s unaligned of kubelet_pleg_relist_latency_09
+ calc: $this * 100 / (($1m_kubelet_pleg_relist_latency_quantile_09 < 1000)?(1000):($1m_kubelet_pleg_relist_latency_quantile_09))
+ every: 10s
+ units: %
+ warn: $this > (($status >= $WARNING)?(200):(400))
+ crit: $this > (($status >= $WARNING)?(400):(800))
+ delay: down 1m multiplier 1.5 max 2h
+ info: the % of the pleg relisting latency in the last 10 seconds, compared to the last minute (quantile 0.9)
+ to: sysadmin
+
+# quantile 0.99
+
+template: 1m_kubelet_pleg_relist_latency_quantile_099
+ on: k8s_kubelet.kubelet_pleg_relist_latency_microseconds
+ lookup: average -1m unaligned of kubelet_pleg_relist_latency_099
+ units: microseconds
+ every: 10s
+ info: the average value of pleg relisting latency during the last minute (quantile 0.99)
+
+template: 10s_kubelet_pleg_relist_latency_quantile_099
+ on: k8s_kubelet.kubelet_pleg_relist_latency_microseconds
+ lookup: average -10s unaligned of kubelet_pleg_relist_latency_099
+ calc: $this * 100 / (($1m_kubelet_pleg_relist_latency_quantile_099 < 1000)?(1000):($1m_kubelet_pleg_relist_latency_quantile_099))
+ every: 10s
+ units: %
+ warn: $this > (($status >= $WARNING)?(400):(800))
+ crit: $this > (($status >= $WARNING)?(800):(1200))
+ delay: down 1m multiplier 1.5 max 2h
+ info: the % of the pleg relisting latency in the last 10 seconds, compared to the last minute (quantile 0.99)
+ to: sysadmin
diff --git a/health/health.d/sslcheck.conf b/health/health.d/x509check.conf
index 29a017e3d..dc0e6c695 100644
--- a/health/health.d/sslcheck.conf
+++ b/health/health.d/x509check.conf
@@ -1,7 +1,7 @@
-template: sslcheck_days_until_expiration
- on: sslcheck.time_until_expiration
- calc: $time
+template: x509check_days_until_expiration
+ on: x509check.time_until_expiration
+ calc: $expiry
units: seconds
every: 60s
warn: $this < $days_until_expiration_warning*24*60*60