Lower default memory requests

This is to address out of memory issues on CI as well as help
fit deployments for people starting out with kargo on smaller
machines

roles/network_plugin/calico/defaults/main.yml

@@ -23,9 +23,9 @@ global_as_num: "64512"
 # Limits for apps
 calico_node_memory_limit: 500M
 calico_node_cpu_limit: 300m
-calico_node_memory_requests: 256M
+calico_node_memory_requests: 64M
 calico_node_cpu_requests: 150m
 calicoctl_memory_limit: 170M
 calicoctl_cpu_limit: 100m
-calicoctl_memory_requests: 70M
+calicoctl_memory_requests: 32M
 calicoctl_cpu_requests: 50m

roles/network_plugin/calico/rr/defaults/main.yml

@@ -9,5 +9,5 @@ etcd_cert_dir: /etc/ssl/etcd/ssl
 # Limits for apps
 calico_rr_memory_limit: 1000M
 calico_rr_cpu_limit: 300m
-calico_rr_memory_requests: 500M
+calico_rr_memory_requests: 128M
 calico_rr_cpu_requests: 150m

roles/network_plugin/canal/defaults/main.yml

@@ -20,14 +20,14 @@ canal_policy_dir: /etc/kubernetes/policy
 # Limits for apps
 calico_node_memory_limit: 500M
 calico_node_cpu_limit: 200m
-calico_node_memory_requests: 256M
+calico_node_memory_requests: 64M
 calico_node_cpu_requests: 100m
 flannel_memory_limit: 500M
 flannel_cpu_limit: 200m
-flannel_memory_requests: 256M
+flannel_memory_requests: 64M
 flannel_cpu_requests: 100m
 calicoctl_memory_limit: 170M
 calicoctl_cpu_limit: 100m
-calicoctl_memory_requests: 70M
+calicoctl_memory_requests: 32M
 calicoctl_cpu_requests: 50m
 

roles/network_plugin/flannel/defaults/main.yml

@@ -14,7 +14,7 @@ flannel_backend_type: "vxlan"
 # Limits for apps
 flannel_memory_limit: 500M
 flannel_cpu_limit: 300m
-flannel_memory_requests: 256M
+flannel_memory_requests: 64M
 flannel_cpu_requests: 150m
 
 flannel_cert_dir: /etc/flannel/certs

roles/network_plugin/weave/defaults/main.yml

@@ -2,5 +2,5 @@
 # Limits
 weave_memory_limit: 400M
 weave_cpu_limit: 30m
-weave_memory_requests: 200M
+weave_memory_requests: 64M
 weave_cpu_requests: 10m