We develop a project all RestApi services is a Lambda function, We use serverless framework for AWS Lambda deploying. Project is mono-repo.
It's folder structure like this
./app (this is shared folder and a layer on AWS )
- /Models
- /Helper
- ...
./services
- /ServiceGroup
- /service1
- service.handler
- config.yml
- /service2
- service.handler
- config.yml
- /AnotherServiceGroup
- /service3
- service.handler
- config.yml
- /service4
- service.handler
- config.yml
- serverless.yml (this yml configuration file is including all services configuration files)
We use custom own gitlab server. And this project CI folder run this code for lambda deploy
serverless deploy
This command deploy all services but we want deploy only changed services. How to customize CI for that?
If all of your services share the same serverless.yml file, they live in the same cloudformation stack, so what you're asking for doesn't work.
You can use serverless deploy function to update just one function, but that skips cloudformation, so new resources won't be created and your stack will drift. You should use it during development, but not for production deployments.
I strongly recommend splitting your stacks. You can still use a mono-repo, and then you can conditionally deploy services depending on which files changed for a given commit.
Related
My code .net core added in GitLab and my web application deploys in AWS windows instance IIS.
How to write yml file to automatically publish and deploy my code in IIS.
If possible please share whatever you have tried so far, I am just sharing high level steps here.
First prepare the .gitlab-ci.yml file then add following lines
script:
- bash .gitlab-deploy-dev.sh
Inside .gitlab-deploy-dev.sh you should add
ssh ec2-use#server 'git pull origin dev && aws s3://bucket/dev-config.json .............. '
Then run the pipeline
I'm using gitlab CI for deployment.
I'm running into a problem when the review branch is deleted.
stop_review:
variables:
GIT_STRATEGY: none
stage: cleanup
script:
- echo "$AWS_REGION"
- echo "Stopping review branch"
- serverless config credentials --provider aws --key ${AWS_ACCESS_KEY_ID} --secret ${AWS_SECRET_ACCESS_KEY}
- echo "$CI_COMMIT_REF_NAME"
- serverless remove --stage=$CI_COMMIT_REF_NAME --verbose
only:
- branches
except:
- master
environment:
name: review/$CI_COMMIT_REF_NAME
action: stop
when: manual
error is This command can only be run in a Serverless service directory. Make sure to reference a valid config file in the current working directory if you're using a custom config file
I have tried different GIT_STRATEGY, can some point me in right direction?
In order to run serverless remove, you'll need to have the serverless.yml file available, which means the actual repository will need to be cloned. (or that file needs to get to GitLab in some way).
It's required to have a serverless.yml configuration file available when you run serverless remove because the Serverless Framework allows users to provision infrastructure using not only the framework's YML configuration but also additional resources (like CloudFormation in AWS) which may or may not live outside of the specified app or stage CF Stack entirely.
In fact, you can also provision infrastructure into other providers as well (AWS, GCP, Azure, OpenWhisk, or actually any combination of these).
So it's not sufficient to simply identify the stage name when running sls remove, you'll need the full serverless.yml template.
currently I'm trying to understand the Gitlab-CI multi-project-pipeline.
I want to achieve to run a pipeline if another pipeline has finshed.
Example:
I have one project nginx saved in namespace baseimages which contains some configuration like fast-cgi-params. The ci-file looks like this:
stages:
- release
- notify
variables:
DOCKER_HOST: "tcp://localhost:2375"
DOCKER_REGISTRY: "registry.mydomain.de"
SERVICE_NAME: "nginx"
DOCKER_DRIVER: "overlay2"
release:
stage: release
image: docker:git
services:
- docker:dind
script:
- docker build -t $SERVICE_NAME:latest .
- docker tag $SERVICE_NAME:latest $DOCKER_REGISTRY/$SERVICE_NAME:latest
- docker push $DOCKER_REGISTRY/$SERVICE_NAME:latest
only:
- master
notify:
stage: notify
image: appropriate/curl:latest
script:
- curl -X POST -F token=$CI_JOB_TOKEN -F ref=master https://gitlab.mydomain.de/api/v4/projects/1/trigger/pipeline
only:
- master
Now I want to have multiple projects to rely on this image and let them rebuild if my baseimage changes e.g. new nginx version.
baseimage
|
---------------------------
| | |
project1 project2 project3
If I add a trigger to the other project and insert the generated token at $GITLAB_CI_TOKEN the foreign pipeline starts but there is no combined graph as shown in the documentation (https://docs.gitlab.com/ee/ci/multi_project_pipelines.html)
How is it possible to show the full pipeline graph?
Do I have to add every project which relies on my baseimage to the CI-File of the baseimage or is it possible to subscribe the baseimage-pipline in each project?
The Multi-project pipelines is a paid for feature introduced in GitLab Premium 9.3, and can only be accessed using GitLab's Premium or Silver models.
A way to see this is to the right of the document title:
Well after some more digging into the documentation I found a little sentence which states that Gitlab CE provides features marked as Core-Feature.
We have 50+ Gitlab packages where this is needed. What we used to do was push a commit to a downstream package, wait for the CI to finish, then push another commit to the upstream package, wait for the CI to finish, etc. This was very time consuming.
The other thing you can do is manually trigger builds and you can manually determine the order.
If none of this works for you or you want a better way, I built a tool to help do this called Gitlab Pipes. I used it internally for many months and realized that people need something like this, so I did the work to make it public.
Basically it listens to Gitlab notifications and when it sees a commit to a package, it reads the .gitlab-pipes.yml file to determine that projects dependencies. It will be able to construct a dependency graph of your projects and build the consumer packages on downstream commits.
The documentation is here, it sort of tells you how it works. And then the primary app website is here.
If you click the versions history ... from multi_project_pipelines it reveals.
Made available in all tiers in GitLab 12.8.
Multi-project pipeline visualizations as of 13.10-pre is marked as premium however in my ee version the visualizations for down/upstream links are functional.
So reference Triggering a downstream pipeline using a bridge job
Before GitLab 11.8, it was necessary to implement a pipeline job that was responsible for making the API request to trigger a pipeline in a different project.
In GitLab 11.8, GitLab provides a new CI/CD configuration syntax to make this task easier, and avoid needing GitLab Runner for triggering cross-project pipelines. The following illustrates configuring a bridge job:
rspec:
stage: test
script: bundle exec rspec
staging:
variables:
ENVIRONMENT: staging
stage: deploy
trigger: my/deployment
I've been working on a SlackBot project based in Scala using Gradle and have been looking into ways to leverage Gitlab-CI for the purpose of deploying to AWS EC2.
I am able to fully build and test my application with Gitlab-CI.
How can I perform a deployment from Gitlab-CI to Amazon EC2 Using CodeDeploy and CodePipeline?
Answer to follow as a Guide to do this.
I have created a set of sample files to go with the Guide provided below.
These files are available at the following link: https://gitlab.com/autronix/gitlabci-ec2-deployment-samples-guide/
Scope
This guide assumes the following
Gitlab EE hosted project - may work on private CE/EE instances (not tested)
Gitlab as the GIT versioning repository
Gitlab-CI as the Continuous Integration Engine
Existing AWS account
AWS EC2 as the target production or staging system for the deployment
AWS EC2 Instance running Amazon Linux AMI
AWS S3 as the storage facility for deployment files
AWS CodeDeploy as the Deployment engine for the project
AWS CodePipeline as the Pipeline for deployment
The provided .gitlab-ci.yml sample is based on a Java/Scala + Gradle project.
The script is provided as a generic example and will need to be adapted to your specific needs when implementing Continuous Delivery through this method.
The guide will assume that the user has basic knowledge about AWS services and how to perform the necessary tasks.
Note: The guide provided in this sample uses the AWS console to perform tasks. While there are likely CLI equivalent for the tasks performed here, these will not be covered throughout the guide.
Motivation
The motivation for creating these scripts and deployment guide came from the lack of availability of a proper tutorial showing how to implement Continuous Delivery using Gitlab and AWS EC2.
Gitlab introduced their freely available CI engine by partnering with Digital Ocean, which enables user repositories to benefit from good quality CI for free.
One of the main advantages of using Gitlab is that they provide built-in Continuous Integration containers for running through the various steps and validate a build.
Unfortunately, Gitblab nor AWS provide an integration that would allow to perform Continuous Deliver following passing builds.
This Guide and Scripts (https://gitlab.com/autronix/gitlabci-ec2-deployment-samples-guide/) provide a simplified version of the steps that I've undertaken in order to have a successful CI and CD using both Gitlab and AWS EC2 that can help anyone else get started with this type of implementation.
Setting up the environment on AWS
The first step in ensuring a successful Continuous Delivery process is to set up the necessary objects on AWS in order to allow the deployment process to succeed.
AWS IAM User
The initial requirement will be to set up an IAM user:
https://console.aws.amazon.com/iam/home#users
Create a user
Attach the following permissions:
CodePipelineFullAccess
AmazonEC2FullAccess
AmazonS3FullAccess
AWSCodeDeployFullAccess
Inline Policy:
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"autoscaling:*",
"codedeploy:*",
"ec2:*",
"elasticloadbalancing:*",
"iam:AddRoleToInstanceProfile",
"iam:CreateInstanceProfile",
"iam:CreateRole",
"iam:DeleteInstanceProfile",
"iam:DeleteRole",
"iam:DeleteRolePolicy",
"iam:GetInstanceProfile",
"iam:GetRole",
"iam:GetRolePolicy",
"iam:ListInstanceProfilesForRole",
"iam:ListRolePolicies",
"iam:ListRoles",
"iam:PassRole",
"iam:PutRolePolicy",
"iam:RemoveRoleFromInstanceProfile",
"s3:*"
],
"Resource": "*"
}
]
}
Generate security credentials
Note: The policies listed above are very broad in scope. You may adjust to your requirements by creating custom policies that limit access only to certain resources.
Note: Please keep these credentials in a safe location. You will need them in a later step.
AWS EC2 instance & Role
Instance Role for CodeDeploy
https://console.aws.amazon.com/iam/home#roles
Create a new Role that will be assigned to your EC2 Instance in order to access S3,
Set the name according to your naming conventions (ie. MyDeploymentAppRole)
Select Amazon EC2 in order to allow EC2 instances to run other AWS services
Attache the following policies:
AmazonEC2FullAccess
AmazonS3FullAccess
AWSCodeDeployRole
Note: The policies listed above are very broad in scope. You may adjust to your requirements by creating custom policies that limit access only to certain resources.
Launch Instance
https://console.aws.amazon.com/ec2/v2/home
Click on Launch Instance and follow these steps:
Select Amazon Linux AMI 2016.03.3 (HVM), SSD Volume Type
Select the required instance type (t2.micro by default)
Next
Select IAM Role to be MyDeploymentAppRole (based on the name created in the previous section)
Next
Select Appropriate Storage
Next
Tag your instance with an appropriate name (ie. MyApp-Production-Instance)
add additional tags as required
Next
Configure Security group as necessary
Next
Review and Launch your instance
You will be provided with the possibility to either generate or use SSH keys. Please select the appropriate applicable method.
Setting up instance environment
Install CodeDeploy Agent
Log into your newly created EC2 instance and follow the instructions:
http://docs.aws.amazon.com/codedeploy/latest/userguide/how-to-run-agent-install.html
CodeDeploy important paths:
CodeDeploy Deployment base directory: /opt/codedeploy-agent/deployment-root/
CodeDeploy Log file: /var/log/aws/codedeploy-agent/codedeploy-agent.log
Tip: run tail -f /var/log/aws/codedeploy-agent/codedeploy-agent.log to keep track of the deployment in real time.
Install your project prerequisites
If your project has any prerequisites to run, make sure that you install those before running the deployment, otherwise your startup script may fail.
AWS S3 repository
https://console.aws.amazon.com/s3/home
In this step, you will need to create an S3 bucket that will be holding your deployment files.
Simply follow these steps:
Choose Create Bucket
Select a bucket name (ie. my-app-codepipeline-deployment)
Select a region
In the console for your bucket select Properties
Expand the Versioning menu
choose Enable Versioning
AWS CodeDeploy
https://console.aws.amazon.com/codedeploy/home#/applications
Now that the basic elements are set, we are ready to create the Deployment application in CodeDeploy
To create a CodeDeploy deployment application follow these steps:
Select Create New Application
Choose an Application Name (ie. MyApp-Production )
Choose a Deployment Group Name (ie. MyApp-Production-Fleet)
Select the EC2 Instances that will be affected by this deployment - Search by Tags
Under Key Select Name
Under Value Select MyApp-Production-Instance
Under Service Role, Select MyDeploymentAppRole
Click on Create Application
Note: You may assign the deployment to any relevant Tag that applied to the desired instances targeted for deployment. For simplicity's sake, only the Name Tag has been used to choose the instance previously defined.
AWS CodePipeline
https://console.aws.amazon.com/codepipeline/home#/dashboard
The next step is to proceed with creating the CodePipeline, which is in charge of performing the connection between the S3 bucket and the CodeDeploy process.
To create a CodePipeline, follow these steps:
Click on Create Pipeline
Name your pipeline (ie. MyAppDeploymentPipeline )
Next
Set the Source Provider to Amazon S3
set Amazon S3 location to the address of your bucket and target deployment file (ie. s3://my-app-codepipeline-deployment/myapp.zip )
Next
Set Build Provider to None - This is already handled by Gitlab-CI as will be covered later
Next
Set Deployment Provider to AWS CodeDeploy
set Application Name to the name of your CodeDeploy Application (ie. MyApp-Production)
set Deployment Group to the name of your CodeDeploy Deployment Group (ie. MyApp-Production-Fleet )
Next
Create or Choose a Pipeline Service Role
Next
Review and click Create Pipeline
Setting up the environment on Gitlab
Now that The AWS environment has been prepared to receive the application deployment we can proceed with setting up the CI environment and settings to ensure that the code is built and deployed to an EC2 Instance using S3, CodeDeploy and the CodePipeline.
Gitlab Variables
In order for the deployment to work, we will need to set a few environment variables in the project repository.
In your Gitlab Project, navigate to the Variables area for your project and set the following variables:
AWS_DEFAULT_REGION => your AWS region
AWS_SECRET_ACCESS_KEY => your AWS user credential secret key (obtained when you generated the credentials for the user)
AWS_ACCESS_KEY_ID => your AWS user credential key ID (obtained when you generated the credentials for the user)
AWS_S3_LOCATION => the location of your deployment zip file (ie. s3://my-app-codepipeline-deployment/my_app.zip )
These variables will be accessible by the scripts executed by the Gitlab-CI containers.
Startup script
A simple startup script has been provided (https://gitlab.com/autronix/gitlabci-ec2-deployment-samples-guide/blob/master/deploy/extras/my_app.sh) to allow the deployment to perform the following tasks:
Start the application and create a PID file
Check the status of the application through the PID file
Stop the application
You may find this script under deploy/extras/my_app.sh
Creating gitlab-ci.yml
The gitlab-ci.yml file is in charge of performing the Continuous Integration tasks associated with a given commit.
It acts as a simplified group of shell scripts that are organized in stages which correspond to the different phases in your Continuous Integration steps.
For more information on the details and reference, please refer to the following two links:
http://docs.gitlab.com/ce/ci/quick_start/README.html
http://docs.gitlab.com/ce/ci/yaml/README.html
You may validate the syntax of your gitlab-ci.yml file at any time with the following tool: https://gitlab.com/ci/lint
For the purpose of deployment, we will cover only the last piece of the sample provided with this guide:
deploy-job:
# Script to run for deploying application to AWS
script:
- apt-get --quiet install --yes python-pip # AWS CLI requires python-pip, python is installed by default
- pip install -U pip # pip update
- pip install awscli # AWS CLI installation
- $G build -x test -x distTar # # Build the project with Gradle
- $G distZip # creates distribution zip for deployment
- aws s3 cp $BUNDLE_SRC $AWS_S3_LOCATION # Uploads the zipfile to S3 and expects the AWS Code Pipeline/Code Deploy to pick up
# requires previous CI stages to succeed in order to execute
when: on_success
stage: deploy
environment: production
cache:
key: "$CI_BUILD_NAME/$CI_BUILD_REF_NAME"
untracked: true
paths:
- build/
# Applies only to tags matching the regex: ie: v1.0.0-My-App-Release
only:
- /^v\d+\.\d+\.\d+-.*$/
except:
- branches
- triggers
This part represents the whole job associated with the deployment following the previous, if any, C.I. stages.
The relevant part associated with the deployment is this:
# Script to run for deploying application to AWS
script:
- apt-get --quiet install --yes python-pip # AWS CLI requires python-pip, python is installed by default
- pip install -U pip # pip update
- pip install awscli # AWS CLI installation
- $G build -x test -x distTar # # Build the project with Gradle
- $G distZip # creates distribution zip for deployment
- aws s3 cp $BUNDLE_SRC $AWS_S3_LOCATION # Uploads the zipfile to S3 and expects the AWS Code Pipeline/Code Deploy to pick up
The first step involves installing the python package management system: pip.
pip is required to install AWS CLI, which is necessary to upload the deployment file to AWS S3
In this example, we are using Gradle (defined by the environment variable $G); Gradle provides a module to automatically Zip the deployment files. Depending on the type of project you are deploying this method will be different for generating the distribution zip file my_app.zip.
The aws s3 cp $BUNDLE_SRC $AWS_S3_LOCATION command uploads the distribution zip file to the Amazon S3 location that we defined earlier. This file is then automatically detected by CodePipeline, processed and sent to CodeDeploy.
Finally, CodeDeploy performs the necessary tasks through the CodeDeploy agent as specified by the appspec.yml file.
Creating appspec.yml
The appspec.yml defines the behaviour to be followed by CodeDeploy once a deployment file has been received.
A sample file has been provided along with this guide along with sample scripts to be executed during the various phases of the deployment.
Please refer to the specification for the CodeDeploy AppSpec for more information on how to build the appspec.yml file: http://docs.aws.amazon.com/codedeploy/latest/userguide/app-spec-ref.html
Generating the Deployment ZipFile
In order for CodeDeploy to work properly, you must create a properly generated zip file of your application.
The zip file must contain:
Zip root
appspec.yml => CodeDeploy deployment instructions
deployment stage scripts
provided samples would be placed in the scripts directory in the zip file, would require the presence my_app.sh script to be added at the root of your application directory (ie. my_app directory in the zip)
distribution code - in our example it would be under the my_app directory
Tools such as Gradle and Maven are capable of generating distribution zip files with certain alterations to the zip generation process.
If you do not use such a tool, you may have to instruct Gitlab-CI to generate this zip file in a different manner; this method is outside of the scope of this guide.
Deploying your application to EC2
The final step in this guide is actually performing a successful deployment.
The stages of Continuous integration are defined by the rules set in the gitlab-ci.yml. The example provided with this guide will initiate a deploy for any reference matching the following regex: /^v\d+\.\d+\.\d+-.*$/.
In this case, pushing a Tag v1.0.0-My-App-Alpha-Release through git onto your remote Gitlab would initiate the deployment process. You may adjust these rules as applicable to your project requirements.
The gitlab-ci.yml example provided would perform the following jobs when detecting the Tag v1.0.0-My-App-Alpha-Release:
build job - compile the sources
test job - run the unit tests
deploy-job - compile the sources, generate the distribution zip, upload zip to Amazon S3
Once the distribution zip has been uploaded to Amazon S3, the following steps happen:
CodePipeline detects the change in the revision of the S3 zip file
CodePipeline validates the file
CodePipeline sends signal that the bundle for CodeDeploy is ready
CodeDeploy executes the deployment steps
Start - initialization of the deployment
Application Stop - Executes defined script for hook
DownloadBundle - Gets the bundle file from the S3 repository through the CodePipeline
BeforeInstall - Executes defined script for hook
Install - Copies the contents to the deployment location as defined by the files section of appspec.yml
AfterInstall - Executes defined script for hook
ApplicationStart - Executes defined script for hook
ValidateService - Executes defined script for hook
End - Signals the CodePipeline that the deployment has completed successfully
Successful deployment screenshots:
References
Gitlab-CI QuickStart: http://docs.gitlab.com/ce/ci/quick_start/README.html
Gitlab-CI .gitlab-ci.yml: http://docs.gitlab.com/ce/ci/yaml/README.html
AWS CodePipeline Walkthrough: http://docs.aws.amazon.com/codepipeline/latest/userguide/getting-started-w.html
Install or Reinstall the AWS CodeDeploy Agent: http://docs.aws.amazon.com/codedeploy/latest/userguide/how-to-run-agent-install.html
AWS CLI Getting Started - Env: http://docs.aws.amazon.com/cli/latest/userguide/cli-chap-getting-started.html#cli-environment
AppSpec Reference: http://docs.aws.amazon.com/codedeploy/latest/userguide/app-spec-ref.html
autronix's answer is awesome, although in my case I had to gave up the CodePipeline part due to the following error : The deployment failed because a specified file already exists at this location : /path/to/file. This is because I already have files at the location since I'm using an existing instance with a server running already on it.
Here is my workaround :
In the .gitlab-ci.yml here is what I changed :
deploy:
stage: deploy
script:
- curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" # Downloading and installing awscli
- unzip awscliv2.zip
- ./aws/install
- aws deploy push --application-name App-Name --s3-location s3://app-deployment/app.zip # Adding revision to s3 bucket
- aws deploy create-deployment --application-name App-Name --s3-location bucket=app-deployment,key=app.zip,bundleType=zip --deployment-group-name App-Name-Fleet --deployment-config-name CodeDeployDefault.OneAtATime --file-exists-behavior OVERWRITE # Ordering the deployment of the new revision
when: on_success
only:
refs:
- dev
The important part is the aws deploy create-deployment line with it's flag --file-exists-behavior. There are three options available, OVERWRITE was the one I needed and I couldn't manage to set this flag with CodePipeline so I went with the cli option.
I've also changed a bit the part for the upload of the .zip. Instead of creating the .zip myself I'm using aws deploy push command which will create a .zip for me on the s3 bucket.
There is really nothing else to modify.
I have a Node.js application which is being automatically deployed to Amazon Web Service through Codeship using the CodeDeploy AWS deployment system.
During the deployment process I've set in my appspec.yml for the currently running web application to be stopped. Once the deployment is complete, I want the web application to be started up again.
os: linux
files:
- source: /
destination: /var/www/app2
hooks:
AfterInstall:
- location: bash_scripts/stop_forever.sh
runas: ec2-user
ApplicationStart:
- location: bash_scripts/start_forever.sh
runas: ec2-user
However I've not yet been able to have either of these scripts to be called successfully from the appspec.yml file during a deployment.
The current error I'm seeing in the AWS deployment agent log is
Error CodeScriptMissing
Script Name /var/scripts/stop_forever.sh
MessageScript does not exist at specified location: /var/scripts/stop_forever.sh
Log TailLifecycleEvent - ApplicationStop
This seems to refer to an older version of the appspec.yml file which was attempting to run these scripts in a different location. Even though I've changed the contents of the appspec.yml file in the deployed package, this error message remains the same on each deploy.
In addition to appspec.yml file listed above, I've also tried making the following changes:
Not listing a runas parameter for each hook
Referencing a script inside the deployed directory
Referencing a script outside the deployed directory
Having a version parameter initially set to 0.0
Unfortunately there is very little online in terms of appspec.yml troubleshooting, other than the AWS documentation.
What very obvious thing I am doing wrong?
The ApplicationStop hook is being called from the previously installed deployment before trying to run the current deployment appspec.yml file.
In order to prevent this from happening you'll have to remove any previously installed deployment from the server.
Stop the code deploy agent - sudo service codedeploy-agent stop
clear all deployments under /opt/codedeploy-agent/deployment-root
Restart the code deploy agent - sudo service codedeploy-agent start
There is another way documented in the AWS developer forums, which I think is preferable.
Use the --ignore-application-stop-failures option with the CLI tool while doing the deployment, it worked perfectly for me.
Example taken from the forum:
aws deploy create-deployment --application-name APPLICATION --deployment-group-name GROUP --ignore-application-stop-failures --s3-location bundleType=tar,bucket=BUCKET,key=KEY --description "Ignore ApplicationStop failures due to broken script"
https://forums.aws.amazon.com/thread.jspa?threadID=166904