koduki

apiVersion: cert-manager.io/v1alpha2
kind: Certificate
metadata:
  name: che-tls
  namespace: che
spec:
  secretName: che-tls
  dnsNames:
    - '*.che.hnakada128.com'
  issuerRef:

koduki

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.core.type.TypeReference;

var json = "[{\"name\":\"nanoha\", \"age\":10}, {\"name\":\"fate\", \"age\":10}]";
var mapper = new ObjectMapper();
var data = Arrays.asList(mapper.readValue(json, HashMap[].class));

System.out.println(data);

koduki

GCEでデフォルトのサービスアカウント名を取得する

$ curl "http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/email" -H "Metadata-Flavor: Google"
[email protected]

berglasによる暗号化

TLS_KEY=berglas://${BUCKET_ID}/tls-key?destination=tempfile berglas exec irb

koduki

#!/bin/bash

JFR_NAME=$1
JFR_JSON_PATH="gs://jfr-storage_json/$(echo ${JFR_NAME}|sed 's/.jfr$//g')"

bq load --autodetect --source_format=NEWLINE_DELIMITED_JSON jfr_logs.jdk_CPULoad ${JFR_JSON_PATH}/CPULoad.json
bq load --autodetect --source_format=NEWLINE_DELIMITED_JSON jfr_logs.jdk_ExecutionSample ${JFR_JSON_PATH}/ExecutionSample.json
bq load --autodetect --source_format=NEWLINE_DELIMITED_JSON jfr_logs.jdk_GCHeapSummary ${JFR_JSON_PATH}/GCHeapSummary.json
bq load --autodetect --source_format=NEWLINE_DELIMITED_JSON jfr_logs.jdk_GCPhaseParallel ${JFR_JSON_PATH}/GCPhaseParallel.json
bq load --autodetect --source_format=NEWLINE_DELIMITED_JSON jfr_logs.HttpRequestEvent ${JFR_JSON_PATH}/HttpRequestEvent.json

koduki

REPO=/var/log/myapp/jfr_logs
WORKDIR=/tmp

CURRENT_REPO="$REPO/"$(ls -1 $REPO|sort|head -1)
ls -l $CURRENT_REPO|awk '/jfr/{print $9, $5}'|sort > $WORKDIR/jfr.list
diff ${WORKDIR}/jfr.list ${WORKDIR}/jfr.list.prev |grep jfr|awk '$NF > 0{print $2}' > ${WORKDIR}/jfr.diff
mv $WORKDIR/jfr.list $WORKDIR/jfr.list.prev

cat ${WORKDIR}/jfr.diff|xargs -n1 -P1 -I{} gsutil cp "${CURRENT_REPO}/"{} gs://jfr-storage/

koduki

// https://download.eclipse.org/microprofile/microprofile-metrics-2.2/microprofile-metrics-spec-2.2.html#_application_metric_registry

    @Inject
    @RegistryType(type = MetricRegistry.Type.BASE)
    MetricRegistry baseRegistry;

koduki

defmodule LoadGenerator do
  import AssertionHelper
  import LogHelper
  import RestHelper

  def run(users_num) do
    Enum.map(1..users_num, fn(x) -> Task.async(fn -> make_user() end)end)
    |> Enum.map(fn(task) -> Task.await(task, 1_000_000) end)
  end

koduki

deployment:
- name: my-environment-deployment
  properties:
    region: us-central1
    zone: us-central1-f
  networks:
  - name: "my-network"
    properties:
      routingConfig:
        routingMode: REGIONAL

koduki

digraph G {
  layout=dot;


  labeljust=l;
  color=white;

  internet [
      label=<<table border="0"><tr><td fixedsize="true" width="32" height="32"><img src="gcp/internet.png" /></td><td>Internet</td></tr></table>>,
      shape=record, color=black, style = "filled", fillcolor=white

koduki

# click login
DISPLAY=:0 xdotool mousemove -- 1150 25
DISPLAY=:0 xdotool click 1

# login
## user name
DISPLAY=:0 xdotool mousemove -- 1200 320
DISPLAY=:0 xdotool click 1
DISPLAY=:0 xdotool type "User Name"