Initial commit

.gitignore

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+/dist
+/vendor
+/ec2meta
+
+# Created by .ignore support plugin (hsz.mobi)
+### Go template
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+

.goreleaser.yml

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+before:
+  hooks:
+    - go mod tidy
+builds:
+  - env:
+      - CGO_ENABLED=0
+    binary: ec2meta
+    ldflags:
+      - -s -w -X github.com/invit/ec2meta/internal/lib/version.Version={{.Version}} -X github.com/invit/ec2meta/internal/lib/version.Commit={{.Commit}} -X github.com/invit/ec2meta/internal/lib/version.Date={{.Date}}
+    goos:
+      - linux
+    goarch:
+      - amd64
+archives:
+  - files:
+    - LICENSE
+    - README.md
+checksum:
+  name_template: 'checksums.txt'
+

LICENSE

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+MIT License
+
+Copyright (c) 2020 Invit Travel GmbH
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

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+.PHONY: build install snapshot dist test vet lint fmt run clean
+OUT := ec2meta
+PKG := github.com/invit/ec2meta
+PKG_LIST := $(shell go list ${PKG}/... | grep -v /vendor/)
+GO_FILES := $(shell find . -name '*.go' | grep -v /vendor/)
+
+all: build
+
+build:
+	CGO_ENABLED=0 GOOS=linux go build -a -o ${OUT} ${PKG}
+
+install:
+	CGO_ENABLED=0 GOOS=linux go install -a -v ${PKG}
+
+snapshot:
+	goreleaser --snapshot --rm-dist
+
+dist:
+	goreleaser --rm-dist
+
+test:
+	@go test -v ${PKG_LIST}
+
+vet:
+	@go vet ${PKG_LIST}
+
+lint:
+	@for file in ${GO_FILES} ;  do \
+		golint $$file ; \
+	done
+
+fmt:
+	@gofmt -l -w -s ${GO_FILES}
+
+clean:
+	-@rm -vf ${OUT}
+	-@rm -vrf dist
+
+
+

README.md

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+# ec2meta
+
+Simple CLI to query AWS EC2 instance metadata.
+
+## Usage
+
+``` 
+$ ec2meta
+Display EC2 instance meta data
+
+Usage:
+  ec2meta [command]
+
+Available Commands:
+  get         Returns arbitrary meta data by path
+  help        Help about any command
+  version     Print the version number of ec2meta
+
+Flags:
+  -h, --help   help for ec2meta
+
+Use "ec2meta [command] --help" for more information about a command.
+```
+
+### Query
+
+``` 
+$ ec2meta help get
+Returns arbitrary meta data by path
+
+Usage:
+  ec2meta get <path> [flags]
+
+Flags:
+  -h, --help   help for get
+```
+
+`<path>` can be either point to a directory path like
+
+``` 
+$ ec2meta get /
+ami-id
+ami-launch-index
+ami-manifest-path
+block-device-mapping/
+events/
+hibernation/
+hostname
+iam/
+identity-credentials/
+instance-action
+instance-id
+instance-life-cycle
+instance-type
+local-hostname
+local-ipv4
+mac
+metrics/
+network/
+placement/
+profile
+public-hostname
+public-ipv4
+reservation-id
+security-groups
+services/
+```
+
+a single element
+
+```
+$ ec2meta get /hostname
+ip-10-0-0-248.eu-central-1.compute.internal
+```
+
+or access either all `[*]` or a specific element in a list:
+
+```
+$ ec2meta get /network/interfaces/macs/[0]/vpc-id
+vpc-XXXXXXXX
+```