kevinhooke

fields @timestamp, @message
| filter @message like /string pattern to match/
| sort @timestamp asc


fields @timestamp
| filter @message like /string pattern to match/
#parse line, match a pattern, capture pattern match in this case * as named value userId
| parse "\"userId\": \"*\"" as userId
#only include where this has a value

kevinhooke

#list-functions is paginated by default so need to set page-size, no-paginate or simiilar to get complete list
# see https://docs.aws.amazon.com/cli/latest/reference/lambda/list-functions.html
# https://docs.aws.amazon.com/cli/latest/userguide/cli-usage-pagination.html

aws lambda list-functions --region us-west-2
  --query 'Functions[?starts_with(FunctionName, `name-pattern-here`) == `true`].FunctionName'
  --page-size 300 >> output.txt

kevinhooke

Calling an api that doesn't exist in your API Gateway will return a 403 with the rather misleading response:

{
    "message": "Missing Authentication Token"
}

kevinhooke

#zsh git prompt customizations
parse_git_branch() {
    git branch 2> /dev/null | sed -n -e 's/^\* \(.*\)/[\1]/p'
}
COLOR_DEF=$'\e[0m'
COLOR_USR=$'\e[38;5;243m'
COLOR_DIR=$'\e[38;5;197m'
COLOR_GIT=$'\e[38;5;39m'
NEWLINE=$'\n'
setopt PROMPT_SUBST

kevinhooke

{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Description": "Example ECS Service",
    "Parameters": {
        "VPCSecurityGroupId": {
            "Type": "String"
        },
        "VPCSubnetId": {
            "Type": "String"
        }

kevinhooke

{
    "Description": "Example ECS TaskDef",
    "Parameters": {
        "Param1": {
            "Description": "Example param 1",
            "Type": "String"
        }
    },
    "Resources": {
        "ECSTaskExampleExecutionRole": {

kevinhooke

{
    "Description" : "Example ECS Cluster",
    "Resources" : {
        "ECSClusterExample1" : {
            "Type" : "AWS::ECS::Cluster",
            "Properties" : {
                "ClusterName" : "ecs-cluster-example1"
            }
        }
    }

kevinhooke

let arrayOfStrings = [ "bbb", "ccc", "aaa"];
arrayOfStrings.sort(); //sorts as strings in alphabetical ascending order by default
//arrayOfStrings = ["aaa", "bbb", "ccc"]

let arrayOfInts = [3, 4, 1];
//function passed to sort() returns > 0 if b comes after a, or if < 0 then a comes before b
arrayOfInts.sort( (a,b) =>  a - b );
//arrayOfInts = [1, 3, 4];

kevinhooke

let arrays = [ [1,2], [2,3], [3,4] ];
let singleArray = [].concat.apply([], arrays);
//singleArray = [1, 2, 2, 3, 3, 4];

kevinhooke

# Lambda ARNs
aws lambda list-functions | jq '.Functions[].FunctionArn'

# multiple properies: outputs on separate lines
aws lambda list-functions | jq -r '.Functions[] | .FunctionArn, .FunctionName'     

# multiple properties as arrays
aws lambda list-functions | jq -r '.Functions[] | [.FunctionArn, .FunctionName]'

# multiple properties as arrays, converted to csv