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texascloud / memory-available.sh
Last active November 26, 2019 19:28
Stress deployment for testing limits of kubernetes nodes
#!/bin/bash
#!/usr/bin/env bash
# This script reproduces what the kubelet does
# to calculate memory.available relative to root cgroup.
# current memory usage
memory_capacity_in_kb=$(cat /proc/meminfo | grep MemTotal | awk '{print $2}')
memory_capacity_in_bytes=$((memory_capacity_in_kb * 1024))
memory_usage_in_bytes=$(cat /sys/fs/cgroup/memory/memory.usage_in_bytes)
@texascloud
texascloud / gist:50a68d67721a16b45059b893aa669669
Last active April 5, 2019 01:01
Terraform debugging Error for aws_iam_role_policy
Error applying plan:
1 error(s) occurred:
* module.iam_profile.aws_iam_role_policy.node_iam_role_policy: 1 error(s) occurred:
* aws_iam_role_policy.node_iam_role_policy: Error reading IAM policy node_iam_role_policy-7b2e3255-0e25-4f33-9982-c78f22c1dd78 from role node_iam_role-7b2e3255-0e25-4f33-9982-c78f22c1dd78: SerializationError: failed decoding Query response
status code: 200, request id: 8cbed960-c3da-4744-aba2-0887d25e1893
caused by: unexpected EOF
@texascloud
texascloud / terraform barf
Created March 9, 2018 16:23
2018-03-09T08:13:42.102-0800 [DEBUG] plugin.terraform-provider-openstack_v1.2.0_x4: 2018/03/09 08:13:42 [DEBUG] OpenStack Region is: THING
2018-03-09T08:13:42.569-0800 [DEBUG] plugin.terraform-provider-openstack_v1.2.0_x4: 2018/03/09 08:13:42 [DEBUG] Addresses: map[string]interface {}{"Network-VM Network":[]interface {}{}}
2018-03-09T08:13:42.569-0800 [DEBUG] plugin.terraform-provider-openstack_v1.2.0_x4: 2018/03/09 08:13:42 [DEBUG] allInstanceAddresses: []openstack.InstanceAddresses{openstack.InstanceAddresses{NetworkName:"Network-VM Network", InstanceNICs:[]openstack.InstanceNIC(nil)}}
2018-03-09T08:13:42.569-0800 [DEBUG] plugin.terraform-provider-openstack_v1.2.0_x4: 2018/03/09 08:13:42 [DEBUG] getAllInstanceNetworks: []openstack.InstanceNetwork{openstack.InstanceNetwork{UUID:"e79ebf9c-2617-459f-af0d-564394db4197", Name:"Network-VM Network", Port:"", FixedIP:"", AccessNetwork:false}}
2018-03-09T08:13:42.571-0800 [DEBUG] plugin.terraform-provider-openstack_v1.2.0_x4: 
Error: Error