Merge pull request #38 from carlossg/flagger

Add flagger demo instructions

charts/croc-hunter-jenkinsx/templates/canary.yaml

@@ -30,7 +30,7 @@ spec:
     - croc-hunter.istio.eu.g.csanchez.org
   canaryAnalysis:
     # schedule interval (default 60s)
-    interval: 15s
+    interval: 30s
     # max number of failed metric checks before rollback
     threshold: 5
     # max traffic percentage routed to canary
@@ -44,10 +44,10 @@ spec:
       # minimum req success rate (non 5xx responses)
       # percentage (0-100)
       threshold: 99
-      interval: 30s
+      interval: 60s
     - name: istio_request_duration_seconds_bucket
       # maximum req duration P99
       # milliseconds
       threshold: 500
-      interval: 30s
+      interval: 60s
 {{- end }}

flagger/README.md

@@ -26,3 +26,32 @@ Go to the `canary-analysis` dashboard and select
 * namespace: `jx-production`
 * primary: `jx-production-croc-hunter-jenkinsx-primary`
 * canary: `jx-production-croc-hunter-jenkinsx`
+
+to see the roll out metrics.
+
+# Prometheus Metrics
+
+    kubectl --namespace istio-system port-forward deploy/prometheus 9090
+
+# Demo
+
+Promote to production
+
+    jx promote croc-hunter-jenkinsx --env production --version 0.0.xxx
+
+Tail the flagger logs
+
+    kail -d flagger --since=5m
+
+Generate traffic to show the version served
+
+    while true; do
+        out=$(curl -sSL -w "%{http_code}" http://croc-hunter.istio.us.g.csanchez.org/)
+        date="$(date +%R:%S)"; echo -n $date
+        echo -n "$out" | tail -n 1 ; echo -n "-" ; echo "$out" | grep Release | grep -o '\d*\.\d*\.\d*'
+    done
+
+Generate delays and errors to show automatic rollbacks
+
+    watch curl -sSL http://croc-hunter.istio.us.g.csanchez.org/delay?wait=5
+    watch curl -sSL http://croc-hunter.istio.us.g.csanchez.org/status?code=500

flagger/croc-hunter-canary.yaml

@@ -30,7 +30,7 @@ spec:
     - croc-hunter.istio.eu.g.csanchez.org
   canaryAnalysis:
     # schedule interval (default 60s)
-    interval: 15s
+    interval: 30s
     # max number of failed metric checks before rollback
     threshold: 5
     # max traffic percentage routed to canary
@@ -44,9 +44,9 @@ spec:
       # minimum req success rate (non 5xx responses)
       # percentage (0-100)
       threshold: 99
-      interval: 30s
+      interval: 60s
     - name: istio_request_duration_seconds_bucket
       # maximum req duration P99
       # milliseconds
       threshold: 500
-      interval: 30s
+      interval: 60s