carlosjgp

#!/bin/bash

set -ex

helm repo up

# Find `ci` directories
for chart_file in $(find * -name Chart.yaml -print | sort); do
  # Find `.template` files
  dir=$(dirname ${chart_file})

carlosjgp

# This command shows all the metrics from all the services in use on the account and region used
# Different services and configurations might have more or less metrics than others. eg. When using T instance types you would get CPU credits related metrics otherwise you won't
#
# AWS Cloudwatch metrics namespaces https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/aws-services-cloudwatch-metrics.html
aws cloudwatch list-metrics --namespace AWS/ES > metrics.json

# Add 'select(.MetricName | contains("FreeStorageSpace")) |' to JQ pipe to filter by name
#
# this snippet will not add the instances identifiers and remove duplicated entries (one per instace)
cat metrics.json | jq -r '.Metrics

carlosjgp

kind: Project
name: my-project
defaultEnvironment: ${local.env.ENVIRONMENT}
dotIgnoreFiles: [.gitignore]
variables:
  myEnvs: here
environments:
  - name: dev
  - name: ci
  - name: stable-build

carlosjgp

Keybase proof

I hereby claim:

• I am carlosjgp on github.
• I am carlosjgp (https://keybase.io/carlosjgp) on keybase.
• I have a public key whose fingerprint is 7C07 E84B 4BAD CB62 05C4 9231 26C3 7139 32D0 9D59

To claim this, I am signing this object:

carlosjgp

helm repo add stable https://kubernetes-charts.storage.googleapis.com
helm repo up

carlosjgp

Container engines:

• Docker - containerd
• CRI-O

Container layer analysis:

• dive

Networking monitoring

• Inter nodes comms

carlosjgp

+ shift
+ . /opt/strimzi/bin/dynamic_resources.sh
++ get_heap_size
+++ cat /sys/fs/cgroup/memory/memory.limit_in_bytes
++ CONTAINER_MEMORY_IN_BYTES=536870912
++ DEFAULT_MEMORY_CEILING=32505856
++ '[' 536870912 -lt 32505856 ']'
+ MAX_HEAP=
+ '[' -n '' ']'
+ export MALLOC_ARENA_MAX=2

carlosjgp

# List all the CRDs from all the NAMESPACES
for ns in $(kubectl get ns -o jsonpath='{.items[*].metadata.name}'); do \
  echo "-------- NS: $ns -------- \n"; \
  for crd in $(kubectl get crd -o jsonpath='{.items[*].spec.names.kind}'); do \
    echo "-------- CRD: $crd -------- \n"; \
    kubectl get $crd -n $ns; \
  done; \
done;

carlosjgp

time="May  1 10:35:25" level=warning msg="Login opened from: 172.22.20.185:59572" 
time="May  1 10:35:30" level=warning msg="Login opened from: 172.22.20.185:59612" 
time="May  1 10:35:35" level=info msg="Got configuration for nodeID: 9d8c7885-a618-4483-67d2-930b0c30dda1|tyk-gateway-7c779889f8-t8h6h" 
time="May  1 10:35:35" level=info msg="Got configuration for nodeID: 9d8c7885-a618-4483-67d2-930b0c30dda1|tyk-gateway-5f68fd54b5-6m7fg" 
time="May  1 10:35:35" level=warning msg="Login opened from: 172.22.20.185:59638" 
time="May  1 10:35:38" level=info msg="Sending config request for node: 9d8c7885-a618-4483-67d2-930b0c30dda1-tyk-gateway-7c779889f8-t8h6h" 
time="May  1 10:35:38" level=info msg="Got configuration for nodeID: 9d8c7885-a618-4483-67d2-930b0c30dda1|tyk-gateway-7c779889f8-t8h6h" 
time="May  1 10:35:38" level=info msg="Got configuration for nodeID: 9d8c7885-a618-4483-67d2-930b0c30dda1|tyk-gateway-5f68fd54b5-6m7fg" 
time="May  1 10:35:40" level=warning msg="Login opened from: 172.22.20.185:59702" 
time

carlosjgp

# redis
helm upgrade --install --namespace tyk \
  --version 6.3.1 redis redis \
  --set usePassword=false,cluster.enabled=true,cluster.slaveCount=2,metrics.enabled=true

# mongo
helm upgrade --install --namespace tyk \
  --version 3.9.2 mongodb mongodb-replicaset \
  --set replicas=3,metrics.enabled=true,persistentVolume:size=10Gi