Skip to content

Instantly share code, notes, and snippets.

Alastair Firth afirth

  • Berlin, Germany
Block or report user

Report or block afirth

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile
@afirth
afirth / gist:13630e948592966f1ac44532175a3696
Last active Jan 15, 2020
vim add phony targets for makefiles
View gist:13630e948592966f1ac44532175a3696
%s/^\([a-z-]\+\):/.PHONY: \1\r\1:/
View gist:e859b649bb7b657f25eec3a9358f5627
#name and status
k get zb -o json | jq -r '.items[] | [.metadata.name, .status.ready] | @tsv'
#get pods by label, show image and ready status
kgp --all-namespaces -l app.kubernetes.io/component=gateway -o json | jq -r '.items[] |[ .metadata.namespace, .status.containerStatuses[0].ready, .status.containerStatuses[0].image ] | @tsv' | grep alpha <<<
View flamegraph java profile notes
#openjdk11:
#https://blog.codecentric.de/en/2017/09/jvm-fire-using-flame-graphs-analyse-performance/
#https://www.slideshare.net/brendangregg
sudo apt-install openjfx
java --module-path /usr/share/openjfx/lib --add-modules=javafx.base,javafx.controls,javafx.fxml,javafx.graphics,javafx.media,javafx.swing,javafx.web -cp ~/honest-profiler/honest-profiler.jar com.insightfullogic.honest_profiler.ports.console.FlameGraphDumperApplication ~/Downloads/honest-profiler-log-05.hpl ~/Downloads/honest-profiler-log-05.folded
git clone --depth 1 https://github.com/brendangregg/FlameGraph
cd FlameGraph
View gist:3b78034d5df5ffa5c7416f03bf26d319
dlv test -- -test.v -test.run=TestFuncName
b filename:ln
View kubebuilder-2019-08-30.svg
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
@afirth
afirth / getopt.bash
Created Jul 18, 2019
bash getopt get args getargs limoncelli
View getopt.bash
#!/bin/bash
MINITEMS=1
function usage { echo " Usage: $0 [-d] [-a author] [-c file.txt] [-h] dir1 [dir1 ...] -d debug, don't actual run command -a author name of the author -c copyright override default copyright file -h this help message " exit 1 }
# Set our defaults:
DEBUG=false DEBUGCMD= AUTHOR= COPYRIGHT=copyright.txt
# Process command-line arguments, possibly overriding defaults
args='getopt da:c:h $*'
if [ $? != 0 ] then usage fi
set -- $args
for i do
View gist:ca016f72fc98a05e3d8145911d70f3a8
time="2019-06-14T00:20:28Z" level=info msg="running version stable-2.3.2"
INFO [ 0.001275s] linkerd2_proxy::app::main using destination service at Some(ControlAddr { addr: Name(NameAddr { name: "linkerd-destination.linkerd.svc.cluster.local", port: 8086 }), identity: Some("linkerd-controller.linkerd.serviceaccount.identity.linkerd.cluster.local") })
INFO [ 0.001575s] linkerd2_proxy::app::main using identity service at Name(NameAddr { name: "linkerd-identity.linkerd.svc.cluster.local", port: 8080 })
INFO [ 0.001750s] linkerd2_proxy::app::main routing on V4(127.0.0.1:4140)
INFO [ 0.001961s] linkerd2_proxy::app::main proxying on V4(0.0.0.0:4143) to None
INFO [ 0.002152s] linkerd2_proxy::app::main serving admin endpoint metrics on V4(0.0.0.0:4191)
INFO [ 0.002277s] linkerd2_proxy::app::main protocol detection disabled for inbound ports {25, 3306}
INFO [ 0.002407s] linkerd2_proxy::app::main protocol detection disabled for outbound ports {25, 3306}
INFO [ 0.004537s] trust_dns_proto::
@afirth
afirth / Dockerfile
Created May 29, 2019
Add jmx_exporter to Camunda BPM
View Dockerfile
FROM camunda/camunda-bpm-platform:tomcat-7.11.0
## Add prometheus exporter
RUN wget https://repo1.maven.org/maven2/io/prometheus/jmx/jmx_prometheus_javaagent/0.11.0/jmx_prometheus_javaagent-0.11.0.jar -P lib/
#9404 is the reserved prometheus-jmx port
ENV CATALINA_OPTS -javaagent:lib/jmx_prometheus_javaagent-0.11.0.jar=9404:/etc/config/prometheus-jmx.yaml
@afirth
afirth / go get binaries available on path
Last active May 29, 2019
Make binaries installed with go get available on path
View go get binaries available on path
# add to [bash/zsh]rc and source
# Golang
which go > /dev/null && \
export GOPATH=$(go env GOPATH) && \
export PATH=$GOPATH/bin:$PATH
View afirth.zsh-theme
local ret_status="%(?:%{$fg_bold[green]%}➜ :%{$fg_bold[red]%}➜ )"
PROMPT='${ret_status} %{$fg[cyan]%}%~%{$reset_color%} $(git_prompt_info)'
ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[blue]%}(%{$fg[red]%}"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%} "
ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[blue]%}) %{$fg[yellow]%}✗"
ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[blue]%})"
You can’t perform that action at this time.