developer-guy

// Sign returns a signature made by combining the message and the signers private key
// With the r.Verify function, the signature can be checked.
func (r *RsaIdentity) Sign(msg []byte) (signature []byte, err error) {
	hs := r.getHashSum(msg)
	signature, err := rsa.SignPKCS1v15(rand.Reader, r.private, crypto.SHA256, hs)
	return
}

developer-guy

package main

import (
	"crypto"
	"crypto/rand"
	"crypto/rsa"
	"crypto/sha256"
	"encoding/base64"
	"testing"
)

developer-guy

package main

import (
	"fmt"
	"log"
	"os"
	"os/signal"

	"github.com/iovisor/gobpf/bcc"
)

developer-guy

package main

import (
	"crypto/rand"
	"crypto/rsa"
	"crypto/x509"
	"crypto/x509/pkix"
	"encoding/pem"
	"fmt"
	"math/big"

developer-guy

package main

import (
        "bytes"
        "exec"
        "log"
        "os"
)

// Pipeline strings together the given exec.Cmd commands in a similar fashion

developer-guy

# This is the first stage, for building things that will be required by the
# final stage (notably the binary)
FROM golang

# Copy in just the go.mod and go.sum files, and download the dependencies. By
# doing this before copying in the other dependencies, the Docker build cache
# can skip these steps so long as neither of these two files change.
COPY go.mod go.sum ./
RUN go mod download

developer-guy

# Sample from @citizen428 https://dev.to/citizen428/comment/6cmh
FROM golang:alpine as build
RUN apk add --no-cache ca-certificates
WORKDIR /build
ADD . .
RUN CGO_ENABLED=0 GOOS=linux \
    go build -ldflags '-extldflags "-static"' -o app

FROM scratch
COPY --from=build /etc/ssl/certs/ca-certificates.crt \

developer-guy

package tar_helper

import (
	"archive/tar"
	"compress/gzip"
	"errors"
	"fmt"
	"io"
	"io/ioutil"
	"os"

developer-guy

image: gitlab.dev.terastrm.net:4567/terastream/cisco-nso/ci-cisco-nso:4.2.3

stages:
  - build
  - mr-robot

variables:
  NCS_VERSION: "4.2.3"
  DOCKER_REGISTRY: "gitlab.dev.terastrm.net:4567/terastream/cisco-nso"
  TARGET_REGISTRY: "repo.dev.terastrm.net:5000/"

developer-guy

Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq