[英]How to pass environment variable to the buildspec.yml for AWS codebuild
I have the following command in my buildspec.yml file in my gatsby site root directory.我的 gatsby 站点根目录中的 buildspec.yml 文件中有以下命令。
version: 0.2
phases:
install:
commands:
- npm i npm@latest -g
- npm install --global gatsby-cli
- npm install
- pip install --upgrade pip
- pip install --upgrade awscli
build:
commands:
- gatsby build
post_build:
commands:
- aws s3 sync public/ s3://stagging
I have 2 environments, staggin and production.我有 2 个环境,staggin 和 production。 Is there a way that i can maybe automate the sync command here to use some kind of variable to change the environment when i do codebuild.
有没有一种方法可以让我在这里自动执行同步命令,以便在我进行代码构建时使用某种变量来更改环境。 Maybe i can pass the environment name via command line.
也许我可以通过命令行传递环境名称。
When you create a codebuild you can pass environment variables.创建代码构建时,您可以传递环境变量。
{
"name": "sample-docker-project",
"source": {
"type": "S3",
"location": "codebuild-region-ID-account-ID-input-bucket/DockerSample.zip"
},
"artifacts": {
"type": "NO_ARTIFACTS"
},
"environment": {
"type": "LINUX_CONTAINER",
"image": "aws/codebuild/docker:17.09.0",
"computeType": "BUILD_GENERAL1_SMALL",
"environmentVariables": [
{
"name": "AWS_DEFAULT_REGION",
"value": "region-ID"
},
{
"name": "AWS_ACCOUNT_ID",
"value": "account-ID"
},
{
"name": "IMAGE_REPO_NAME",
"value": "Amazon-ECR-repo-name"
},
{
"name": "IMAGE_TAG",
"value": "latest"
}
]
},
"serviceRole": "arn:aws:iam::account-ID:role/role-name",
"encryptionKey": "arn:aws:kms:region-ID:account-ID:key/key-ID"
}
Then in your buildspec.yml you can refer them like regular environment variables with $IMAGE_REPO_NAME .然后在您的 buildspec.yml 中,您可以像使用$IMAGE_REPO_NAME 的常规环境变量一样引用它们。
version: 0.2
phases:
pre_build:
commands:
- echo Logging in to Amazon ECR...
- $(aws ecr get-login --no-include-email --region $AWS_DEFAULT_REGION)
build:
commands:
- echo Build started on `date`
- echo Building the Docker image...
- docker build -t $IMAGE_REPO_NAME:$IMAGE_TAG .
- docker tag $IMAGE_REPO_NAME:$IMAGE_TAG $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com/$IMAGE_REPO_NAME:$IMAGE_TAG
post_build:
commands:
- echo Build completed on `date`
- echo Pushing the Docker image...
- docker push $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com/$IMAGE_REPO_NAME:$IMAGE_TAG
What you can not do is create only 1 codebuild and pass variables to it like a script, so you need to create 2 codebuilds, but 1 buildspec.yml.您不能做的是只创建 1 个 codebuild 并将变量像脚本一样传递给它,因此您需要创建 2 个 codebuild,但是 1 个 buildspec.yml。
More information here: https://docs.aws.amazon.com/codebuild/latest/userguide/sample-docker.html更多信息在这里: https : //docs.aws.amazon.com/codebuild/latest/userguide/sample-docker.html
Based on the documentation you can use the following format:根据文档,您可以使用以下格式:
env:
variables:
key: "value"
key: "value"
Another approach will be prepare an script and a YAML with all the config variables needed.另一种方法是准备一个脚本和一个包含所有所需配置变量的 YAML。
The script file yaml_to_envvars.sh (modified from here https://stackoverflow.com/a/21189044/2275126 ):脚本文件yaml_to_envvars.sh (从这里修改https://stackoverflow.com/a/21189044/2275126 ):
#!/bin/bash
prefix=$2
s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
sed -ne "s|^\($s\):|\1|" \
-e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
-e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p" $1 |
awk -F$fs '{
indent = length($1)/2;
vname[indent] = $2;
for (i in vname) {if (i > indent) {delete vname[i]}}
if (length($3) > 0) {
vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
printf("conf_%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3);
}
}'
The YAML file settings.yml : YAML 文件settings.yml :
common:
key1: value1
dev:
key2: value2
test:
key3: value3
And in your pre_build section commands run the following:并在您的pre_build部分命令中运行以下内容:
- chmod u+x yaml_to_envvars.sh
- ./yaml_to_envvars.sh settings.yml > variables.env
- |-
for NEWVAR in $(cat variables.env); do
export $NEWVAR
done
Then you will have available variables inside your buildspec as:然后,您的构建规范中将有可用变量,如下所示:
$ echo $conf_common_key1
value1
$ echo $conf_dev_key2
value2
$ echo $conf_test_key3
value3
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