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Setup Cloud9 for EKS

快速设置 cloud9 用于日常测试环境搭建，包含从 cloudshell 中创建 cloud9 instance，然后登录 cloud9 instance 进行基础软件安装、磁盘大小调整和容器环境相关软件安装。为了更方便配置，在 quick-setup-cloud9 中，直接可以仅通过 cloudshell 即完成所有初始化动作，登录 cloud9 instance 后就可以开始使用。

spin-up-a-cloud9-instance-in-your-region

  • 点击这里 运行 cloudshell，执行代码块创建 cloud9 测试环境 (open cloudshell, and then execute following code to create cloud9 environment)

    # name=<give your cloud9 a name>
datestring=$(date +%Y%m%d-%H%M)
echo ${name:=cloud9-$datestring}

# VPC_ID=<your vpc id> 
# ensure you have public subnet in it
DEFAULT_VPC_ID=$(aws ec2 describe-vpcs \
  --filter Name=is-default,Values=true \
  --query 'Vpcs[0].VpcId' --output text \
  --region ${AWS_DEFAULT_REGION})
VPC_ID=${VPC_ID:=$DEFAULT_VPC_ID}

if [[ ! -z ${VPC_ID} ]]; then
  FIRST_SUBNET=$(aws ec2 describe-subnets \
    --filters "Name=vpc-id,Values=${VPC_ID}" \
    --query 'Subnets[?(AvailabilityZone==`'"${AWS_DEFAULT_REGION}a"'` && MapPublicIpOnLaunch==`true`)].SubnetId' \
    --output text \
    --region ${AWS_DEFAULT_REGION})
  aws cloud9 create-environment-ec2 \
    --name ${name} \
    --image-id amazonlinux-2-x86_64 \
    --instance-type m5.large \
    --subnet-id ${FIRST_SUBNET%% *} \
    --automatic-stop-time-minutes 10080 \
    --region ${AWS_DEFAULT_REGION} |tee /tmp/$$
  echo "Open URL to access your Cloud9 Environment:"
  C9_ID=$(cat /tmp/$$ |jq -r '.environmentId')
  echo "https://${AWS_DEFAULT_REGION}.console.aws.amazon.com/cloud9/ide/${C9_ID}"
else
  echo "you have no default vpc in $AWS_DEFAULT_REGION"
fi

  • 点击输出的 URL 链接，打开 cloud9 测试环境 (click the URL at the bottom to open cloud9 environment)
    IMG-setup-cloud9-for-eks.png

using internal proxy or not

  • 如果你不需要使用代理服务器下载软件包，跳过执行下面代码 (skip this code block if you do not need proxy in your environment)
    cat >> ~/.bash_profile <<-EOF
export http_proxy=http://10.101.1.55:998
export https_proxy=http://10.101.1.55:998
export NO_PROXY=169.254.169.254,10.0.0.0/8,172.16.0.0/16,192.168.0.0/16
EOF
source ~/.bash_profile

install-in-cloud9-

  • 下面代码块包含一些基本设置，包括：(execute this code block to install tools for your lab, and resize ebs of cloud9)
    • 安装更新常用的软件
    • 修改 cloud9 磁盘大小 (link)
script-prep-eks-env-part-one.sh
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#!/bin/bash
###-SCRIPT-PART-ONE-BEGIN-###
echo "###"
echo "SCRIPT-PART-ONE-BEGIN"
echo "###"
# set size as your expectation, otherwize 100g as default volume size
# size=200

# default execute this script in EC2, not Cloud9
echo ${EXECUTE_IN_CLOUD9:=false}

# install others
sudo yum -y install jq gettext bash-completion wget argon2 # moreutils

# install terraform 
sudo yum install -y yum-utils shadow-utils
sudo yum-config-manager --add-repo https://rpm.releases.hashicorp.com/AmazonLinux/hashicorp.repo
sudo yum -y install terraform

# install code-server
IDE_PASSWORD=$(echo -n $(aws sts get-caller-identity --query "Account" --output text) | argon2 $(uuidgen) -e)
mkdir -p ~/.config/code-server
tee ~/.config/code-server/config.yaml <<-EOF
cert: false
auth: password
hashed-password: "$IDE_PASSWORD"
bind-addr: 0.0.0.0:8088
EOF
mkdir -p ~/.local/share/code-server/User
tee ~/.local/share/code-server/User/settings.json <<EOF
{
"extensions.autoUpdate": false,
"extensions.autoCheckUpdates": false,
"terminal.integrated.cwd": "/home/$USER",
"telemetry.telemetryLevel": "off",
"security.workspace.trust.startupPrompt": "never",
"security.workspace.trust.enabled": false,
"security.workspace.trust.banner": "never",
"security.workspace.trust.emptyWindow": false,
"editor.indentSize": "tabSize",
"editor.tabSize": 2,
"python.testing.pytestEnabled": true,
"auto-run-command.rules": [
    {
    "command": "workbench.action.terminal.new"
    }
]
}
EOF

CODE_SERVER_VER=4.93.1
wget -qO /tmp/code-server.rpm https://github.com/coder/code-server/releases/download/v${CODE_SERVER_VER}/code-server-${CODE_SERVER_VER}-amd64.rpm
sudo yum install -y /tmp/code-server.rpm
sudo systemctl enable --now code-server@ec2-user
sudo systemctl restart code-server@ec2-user

# install awscli v2
curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o /tmp/awscliv2.zip
echo A |unzip /tmp/awscliv2.zip -d /tmp
sudo /tmp/aws/install --update 2>&1 >/tmp/awscli-install.log
echo "complete -C '/usr/local/bin/aws_completer' aws" >> ~/.bash_profile

# remove existed aws
if [[ $? -eq 0 ]]; then
  sudo yum remove -y awscli
  source ~/.bash_profile
  aws --version
fi

# install awscli v1
# curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip"
# unzip awscli-bundle.zip
# sudo ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws

# install ssm session plugin
curl "https://s3.amazonaws.com/session-manager-downloads/plugin/latest/linux_64bit/session-manager-plugin.rpm" -o "/tmp/session-manager-plugin.rpm"
sudo yum install -y /tmp/session-manager-plugin.rpm

# your default region 
TOKEN=$(curl -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600")
export AWS_DEFAULT_REGION=$(curl -H "X-aws-ec2-metadata-token: $TOKEN" -s http://169.254.169.254/latest/dynamic/instance-identity/document | jq -r '.region')

# change root volume size for cloud9
if [[ ${EXECUTE_IN_CLOUD9} == "true" ]]; then
if [[ -c /dev/nvme0 ]]; then
  wget -qO- https://github.com/amazonlinux/amazon-ec2-utils/raw/main/ebsnvme-id >/tmp/ebsnvme-id
  VOLUME_ID=$(sudo python3 /tmp/ebsnvme-id -v /dev/nvme0 |awk '{print $NF}')
  DEVICE_NAME=/dev/nvme0n1
else
  C9_INST_ID=$(curl -H "X-aws-ec2-metadata-token: $TOKEN" http://169.254.169.254/latest/meta-data/instance-id)
  VOLUME_ID=$(aws ec2 describe-volumes --filters Name=attachment.instance-id,Values=${C9_INST_ID} --query "Volumes[0].VolumeId" --output text)
  DEVICE_NAME=/dev/xvda
fi

aws ec2 modify-volume --volume-id ${VOLUME_ID} --size ${size:-100}
sleep 10
sudo growpart ${DEVICE_NAME} 1
sudo xfs_growfs -d /

if [[ $? -eq 1 ]]; then
  ROOT_PART=$(df |grep -w / |awk '{print $1}')
  sudo resize2fs ${ROOT_PART}
fi
fi

echo "###"
echo "SCRIPT-PART-ONE-END"
echo "###"
###-SCRIPT-PART-ONE-END-###
script-ubuntu-prep-eks-env-part-one.sh
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#!/bin/bash
(###-SCRIPT-PART-ONE-BEGIN-###
echo "###"
echo "SCRIPT-PART-ONE-BEGIN"
echo "###"
# set size as your expectation, otherwize 100g as default volume size
# size=200

# default execute this script in EC2, not Cloud9
echo ${EXECUTE_IN_CLOUD9:=false}

# install others
export DEBIAN_FRONTEND=noninteractive
sudo -E apt update
sudo -E apt-get -yq install jq gettext bash-completion wget argon2 moreutils awscli

# install terraform 
sudo rm -f /usr/share/keyrings/hashicorp-archive-keyring.gpg
wget -O- https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/hashicorp-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
sudo -E apt update
sudo -E apt-get -yq install terraform=1.5.7-1
sudo apt-mark hold terraform

# install code-server
IDE_PASSWORD=$(echo -n $(aws sts get-caller-identity --query "Account" --output text) | argon2 $(uuidgen) -e)
mkdir -p ~/.config/code-server
tee ~/.config/code-server/config.yaml <<-EOF
cert: false
auth: password
hashed-password: "${IDE_PASSWORD}"
bind-addr: 0.0.0.0:8088
EOF
mkdir -p ~/.local/share/code-server/User
tee ~/.local/share/code-server/User/settings.json <<EOF
{
"extensions.autoUpdate": false,
"extensions.autoCheckUpdates": false,
"terminal.integrated.cwd": "/home/$USER",
"telemetry.telemetryLevel": "off",
"security.workspace.trust.startupPrompt": "never",
"security.workspace.trust.enabled": false,
"security.workspace.trust.banner": "never",
"security.workspace.trust.emptyWindow": false,
"editor.indentSize": "tabSize",
"editor.tabSize": 2,
"python.testing.pytestEnabled": true,
"auto-run-command.rules": [
    {
    "command": "workbench.action.terminal.new"
    }
]
}
EOF

CODE_SERVER_VER=4.93.1
wget -qO /tmp/code-server.deb https://github.com/coder/code-server/releases/download/v${CODE_SERVER_VER}/code-server_${CODE_SERVER_VER}_amd64.deb
sudo dpkg -i /tmp/code-server.deb
sudo systemctl enable --now code-server@ubuntu
sudo systemctl restart code-server@ubuntu

# install awscli v2
# sudo -E apt-get -yq install awscli
echo "complete -C '/usr/bin/aws_completer' aws" >> ~/.bash_profile

# install ssm session plugin
curl "https://s3.amazonaws.com/session-manager-downloads/plugin/latest/ubuntu_64bit/session-manager-plugin.deb" -o "/tmp/session-manager-plugin.deb"
sudo dpkg -i /tmp/session-manager-plugin.deb

# your default region 
TOKEN=$(curl -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600")
export AWS_DEFAULT_REGION=$(curl -H "X-aws-ec2-metadata-token: $TOKEN" -s http://169.254.169.254/latest/dynamic/instance-identity/document | jq -r '.region')

# change root volume size in cloud9
if [[ ${EXECUTE_IN_CLOUD9} == "true" ]]; then
if [[ -c /dev/nvme0 ]]; then
  wget -qO- https://github.com/amazonlinux/amazon-ec2-utils/raw/main/ebsnvme-id >/tmp/ebsnvme-id
  VOLUME_ID=$(sudo python3 /tmp/ebsnvme-id -v /dev/nvme0 |awk '{print $NF}')
  DEVICE_NAME=/dev/nvme0n1
else
  C9_INST_ID=$(curl -H "X-aws-ec2-metadata-token: $TOKEN" http://169.254.169.254/latest/meta-data/instance-id)
  VOLUME_ID=$(aws ec2 describe-volumes --filters Name=attachment.instance-id,Values=${C9_INST_ID} --query "Volumes[0].VolumeId" --output text)
  DEVICE_NAME=/dev/xvda
fi

aws ec2 modify-volume --volume-id ${VOLUME_ID} --size ${size:-100}
sleep 10
sudo growpart ${DEVICE_NAME} 1
sudo xfs_growfs -d /

if [[ $? -eq 1 ]]; then
  ROOT_PART=$(df |grep -w / |awk '{print $1}')
  sudo resize2fs ${ROOT_PART}
fi
fi

echo "###"
echo "SCRIPT-PART-ONE-END"
echo "###"
###-SCRIPT-PART-ONE-END-###
)
  • 安装 eks 相关的常用软件 (install some eks related tools)

  • for AL2 & ubuntu: script-prep-eks-env-part-two.sh

    script-prep-eks-env-part-two.sh
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    #!/bin/bash
###-SCRIPT-PART-TWO-BEGIN-###
echo "###"
echo "SCRIPT-PART-TWO-BEGIN"
echo "###"

mv -f ~/.bash_completion ~/.bash_completion.$(date +%N)
# install kubectl with +/- 1 cluster version 1.28.14 / 1.29.9 / 1.30.4 / 1.31.1
# refer: https://kubernetes.io/releases/
# sudo curl --location -o /usr/local/bin/kubectl "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
sudo curl --silent --location -o /usr/local/bin/kubectl "https://storage.googleapis.com/kubernetes-release/release/v1.30.4/bin/linux/amd64/kubectl"
sudo chmod +x /usr/local/bin/kubectl

/usr/local/bin/kubectl completion bash >>  ~/.bash_completion
# source /etc/profile.d/bash_completion.sh
# source ~/.bash_completion
alias k=kubectl 
complete -F __start_kubectl k
echo "alias k=kubectl" >> ~/.bashrc
echo "complete -F __start_kubectl k" >> ~/.bashrc

# install eksctl
# consider install eksctl version 0.89.0
# if you have older version yaml 
# https://eksctl.io/announcements/nodegroup-override-announcement/
curl -L "https://github.com/weaveworks/eksctl/releases/latest/download/eksctl_$(uname -s)_amd64.tar.gz" | tar xz -C /tmp/
sudo mv -v /tmp/eksctl /usr/local/bin
/usr/local/bin/eksctl completion bash >> ~/.bash_completion
# source /etc/profile.d/bash_completion.sh
# source ~/.bash_completion

# install kubectx
curl -L "https://github.com/ahmetb/kubectx/releases/download/v0.9.5/kubectx_v0.9.5_linux_x86_64.tar.gz" |tar xz -C /tmp/
sudo mv -f /tmp/kubectx /usr/local/bin/
# install kubens
curl -L "https://github.com/ahmetb/kubectx/releases/download/v0.9.5/kubens_v0.9.5_linux_x86_64.tar.gz" |tar xz -C /tmp/
sudo mv -f /tmp/kubens /usr/local/bin/

# install k9s
curl -L "https://github.com/derailed/k9s/releases/latest/download/k9s_Linux_amd64.tar.gz" |tar xz -C /tmp/
sudo mv -f /tmp/k9s /usr/local/bin/

# install eksdemo
curl -L "https://github.com/awslabs/eksdemo/releases/latest/download/eksdemo_$(uname -s)_$(uname -p).tar.gz" |tar xz -C /tmp/
sudo mv -v /tmp/eksdemo /usr/local/bin
/usr/local/bin/eksdemo completion bash >> ~/.bash_completion
# source /etc/profile.d/bash_completion.sh
# source ~/.bash_completion

# helm newest version (3.15.4)
curl -sSL https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash
/usr/local/bin/helm version --short
# helm 3.8.2 (helm 3.9.0 will have issue #10975)
# wget https://get.helm.sh/helm-v3.8.2-linux-amd64.tar.gz
# tar xf helm-v3.8.2-linux-amd64.tar.gz
# sudo mv linux-amd64/helm /usr/local/bin/helm

# install aws-iam-authenticator 0.6.11 (2023/10) 
wget -O /tmp/aws-iam-authenticator https://github.com/kubernetes-sigs/aws-iam-authenticator/releases/download/v0.6.14/aws-iam-authenticator_0.6.14_linux_amd64
chmod +x /tmp/aws-iam-authenticator
sudo mv /tmp/aws-iam-authenticator /usr/local/bin/

# install kube-no-trouble
sh -c "$(curl -sSL https://git.io/install-kubent)"

# install kubectl convert plugin
curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl-convert" --output-dir /tmp
curl -LO "https://dl.k8s.io/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl-convert.sha256" --output-dir /tmp
echo "$(cat /tmp/kubectl-convert.sha256) /tmp/kubectl-convert" | sha256sum --check
sudo install -o root -g root -m 0755 /tmp/kubectl-convert /usr/local/bin/kubectl-convert
rm /tmp/kubectl-convert /tmp/kubectl-convert.sha256

# option install jwt-cli
# https://github.com/mike-engel/jwt-cli/blob/main/README.md
# sudo yum -y install cargo
# cargo install jwt-cli
# sudo ln -sf ~/.cargo/bin/jwt /usr/local/bin/jwt

# install flux & fluxctl
curl -s https://fluxcd.io/install.sh | sudo -E bash
/usr/local/bin/flux -v
source <(/usr/local/bin/flux completion bash)

# sudo wget -O /usr/local/bin/fluxctl $(curl https://api.github.com/repos/fluxcd/flux/releases/latest | jq -r ".assets[] | select(.name | test(\"linux_amd64\")) | .browser_download_url")
# sudo chmod 755 /usr/local/bin/fluxctl
# fluxctl version
# fluxctl identity --k8s-fwd-ns flux

echo "###"
echo "SCRIPT-PART-TWO-END"
echo "###"
###-SCRIPT-PART-TWO-END-###

  • 直接执行下面代码块可能遇到权限不够的告警，需要：

    • 如果你有 workshop 的 Credentials ，直接先复制粘贴到命令行，再执行下列步骤；(copy and paste your workshop’s credential to CLI and then execute this code block)
    • 或者，如果自己账号的 cloud9，先用环境变量方式（AWS_ACCESS_KEY_ID 和 AWS_SECRET_ACCESS_KEY）保证有足够权限执行 (or using environment variables to export credential yourself)
    • 下面代码块包括：
      • 禁用 cloud9 中的 credential 管理，从 ~/.aws/credentials 中删除 aws_session_token= 行
      • 分配管理员权限 role 到 cloud9 instance

  • for AL2: script-prep-eks-env-part-three.sh

    script-prep-eks-env-part-three.sh
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    #!/bin/bash
###-SCRIPT-PART-THREE-BEGIN-###
echo "###"
echo "SCRIPT-PART-THREE-BEGIN"
echo "###"

aws cloud9 update-environment  --environment-id $C9_PID --managed-credentials-action DISABLE
rm -vf ${HOME}/.aws/credentials

# ---
export AWS_PAGER=""
export AWS_DEFAULT_REGION=$(curl -s 169.254.169.254/latest/dynamic/instance-identity/document | jq -r '.region')
C9_INST_ID=$(curl 169.254.169.254/latest/meta-data/instance-id)
ROLE_NAME=adminrole-$(TZ=CST-8 date +%Y%m%d-%H%M%S)
MY_ACCOUNT_ID=$(aws sts get-caller-identity --query Account --output text)

cat > ec2.json <<-EOF
{
    "Effect": "Allow",
    "Principal": {
        "Service": "ec2.amazonaws.com"
    },
    "Action": "sts:AssumeRole"
}
EOF
STATEMENT_LIST=ec2.json

for i in WSParticipantRole WSOpsRole TeamRole OpsRole ; do
  aws iam get-role --role-name $i >/dev/null 2>&1
  if [[ $? -eq 0 ]]; then
    envsubst >$i.json <<-EOF
{
  "Effect": "Allow",
  "Principal": {
    "AWS": "arn:aws:iam::${MY_ACCOUNT_ID}:role/$i"
  },
  "Action": "sts:AssumeRole"
}
EOF
    STATEMENT_LIST=$(echo ${STATEMENT_LIST} "$i.json")
  fi
done

jq -n '{Version: "2012-10-17", Statement: [inputs]}' ${STATEMENT_LIST} > trust.json
echo ${STATEMENT_LIST}
rm -f ${STATEMENT_LIST}

# create role
aws iam create-role --role-name ${ROLE_NAME} \
  --assume-role-policy-document file://trust.json
aws iam attach-role-policy --role-name ${ROLE_NAME} \
  --policy-arn "arn:aws:iam::aws:policy/AdministratorAccess"

instance_profile_arn=$(aws ec2 describe-iam-instance-profile-associations \
  --filter Name=instance-id,Values=$C9_INST_ID \
  --query IamInstanceProfileAssociations[0].IamInstanceProfile.Arn \
  --output text)
if [[ ${instance_profile_arn} == "None" ]]; then
  # create one
  aws iam create-instance-profile \
    --instance-profile-name ${ROLE_NAME}
  sleep 10
  # attach role to it
  aws iam add-role-to-instance-profile \
    --instance-profile-name ${ROLE_NAME} \
    --role-name ${ROLE_NAME}
  sleep 10
  # attach instance profile to ec2
  aws ec2 associate-iam-instance-profile \
    --iam-instance-profile Name=${ROLE_NAME} \
    --instance-id ${C9_INST_ID}
else
  existed_role_name=$(aws iam get-instance-profile \
    --instance-profile-name ${instance_profile_arn##*/} \
    --query 'InstanceProfile.Roles[0].RoleName' \
    --output text)
  aws iam attach-role-policy --role-name ${existed_role_name} \
    --policy-arn "arn:aws:iam::aws:policy/AdministratorAccess"
fi

echo "###"
echo "SCRIPT-PART-THREE-END"
echo "###"
###-SCRIPT-PART-THREE-END-###

  • 在 cloud9 中，重新打开一个 terminal 窗口，并验证权限符合预期。上面代码块将创建一个 instance profile ，并将关联名为 adminrole-xxx 的 role，或者在 cloud9 现有的 role 上关联 AdministratorAccess role policy。(open new tab to verify you have new role, adminrole-xxx, on your cloud9)

    aws sts get-caller-identity

reference