Packer build failed with connection refused & Redirection (301) without location

[eravindar12]

Overview of the Issue

Packer build failed with connection refused, can't SSH

Error

2024/12/12 00:38:20 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:20 [ERROR] reconnection error: dial tcp 10.0.158.108:22: connect: connection refused

Packer version :

Packer version: 1.11.2 [go1.21.12 linux amd64]

command:

$ export PACKER_LOG=1
$ make 1.29 aws_region="us-east-1" source_ami_id="ami-xxxx" source_ami_owners=67xxxx](https://gitlab.com/xxx-xxx/xxx/xxx-infra/xxx-eks-ami-creation/-/jobs/8618705150#L32)41 source_ami_filter_name="CIS Amazon EKS Optimized Amazon Linux 2 Benchmark - Kubernetes v1.31 - Level 1 - v10 -prod-m4rb3t4ugztyi" kubernetes_build_date="2024-11-15" kubernetes_version="1.29.10" subnet_id="subnet-0a7xxxx" vpc_id="vpc-xxxx"

packer logs

2024/12/12 00:38:14 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:14 [INFO] RPC endpoint: Communicator ended with: 2300218
2024/12/12 00:38:14 [INFO] 0 bytes written for 'stdout'
2024/12/12 00:38:14 [INFO] 0 bytes written for 'stderr'
2024/12/12 00:38:14 [INFO] RPC client: Communicator ended with: 2300218
2024/12/12 00:38:14 [INFO] RPC endpoint: Communicator ended with: 2300218
2024/12/12 00:38:14 packer-provisioner-shell plugin: [INFO] 0 bytes written for 'stdout'
2024/12/12 00:38:14 packer-provisioner-shell plugin: [INFO] 0 bytes written for 'stderr'
2024/12/12 00:38:14 packer-provisioner-shell plugin: [INFO] RPC client: Communicator ended with: 2300218
2024/12/12 00:38:14 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:14 [DEBUG] Opening new ssh session
2024/12/12 00:38:14 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:14 [ERROR] ssh session open error: 'EOF', attempting reconnect
2024/12/12 00:38:14 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:14 [DEBUG] reconnecting to TCP connection for SSH
2024/12/12 00:38:14 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:14 [DEBUG] handshaking with SSH
2024/12/12 00:38:14 packer-provisioner-shell plugin: Retryable error: Error removing temporary script at /home/ec2-user/script_2508.sh: ssh: handshake failed: EOF
2024/12/12 00:38:16 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:16 [DEBUG] Opening new ssh session
2024/12/12 00:38:16 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:16 [ERROR] ssh session open error: 'client not available', attempting reconnect
2024/12/12 00:38:16 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:16 [DEBUG] reconnecting to TCP connection for SSH
2024/12/12 00:38:16 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:16 [ERROR] reconnection error: dial tcp 10.0.158.108:22: connect: connection refused
2024/12/12 00:38:16 packer-provisioner-shell plugin: Retryable error: Error removing temporary script at /home/ec2-user/script_2508.sh: dial tcp 10.0.158.108:22: connect: connection refused
2024/12/12 00:38:18 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:18 [DEBUG] Opening new ssh session
2024/12/12 00:38:18 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:18 [ERROR] ssh session open error: 'client not available', attempting reconnect
2024/12/12 00:38:18 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:18 [DEBUG] reconnecting to TCP connection for SSH
2024/12/12 00:38:18 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:18 [ERROR] reconnection error: dial tcp 10.0.158.108:22: connect: connection refused
2024/12/12 00:38:18 packer-provisioner-shell plugin: Retryable error: Error removing temporary script at /home/ec2-user/script_2508.sh: dial tcp 10.0.158.108:22: connect: connection refused
2024/12/12 00:38:20 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:20 [DEBUG] Opening new ssh session
2024/12/12 00:38:20 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:20 [ERROR] ssh session open error: 'client not available', attempting reconnect
2024/12/12 00:38:20 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:20 [DEBUG] reconnecting to TCP connection for SSH
2024/12/12 00:38:20 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:20 [ERROR] reconnection error: dial tcp 10.0.158.108:22: connect: connection refused
2024/12/12 00:38:20 packer-provisioner-shell plugin: Retryable error: Error removing temporary script at /home/ec2-user/script_2508.sh: dial tcp 10.0.158.108:22: connect: connection refused
2024/12/12 00:38:22 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:22 [DEBUG] Opening new ssh session
2024/12/12 00:38:22 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:22 [ERROR] ssh session open error: 'client not available', attempting reconnect
2024/12/12 00:38:22 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:22 [DEBUG] reconnecting to TCP connection for SSH
2024/12/12 00:38:37 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:37 [ERROR] reconnection error: dial tcp 10.0.158.108:22: i/o timeout
2024/12/12 00:38:37 packer-provisioner-shell plugin: Retryable error: Error removing temporary script at /home/ec2-user/script_2508.sh: dial tcp 10.0.158.108:22: i/o timeout
2024/12/12 00:38:39 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:39 [DEBUG] Opening new ssh session
2024/12/12 00:38:39 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:39 [ERROR] ssh session open error: 'client not available', attempting reconnect
2024/12/12 00:38:39 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:39 [DEBUG] reconnecting to TCP connection for SSH
2024/12/12 00:38:39 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:39 [DEBUG] handshaking with SSH
2024/12/12 00:38:39 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:39 [DEBUG] handshake complete!
2024/12/12 00:38:39 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:39 [INFO] no local agent socket, will not connect agent
2024/12/12 00:38:39 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:39 [DEBUG] starting remote command: rm -f /home/ec2-user/script_2508.sh
2024/12/12 00:38:39 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:38:39 [INFO] RPC endpoint: Communicator ended with: 0
2024/12/12 00:38:39 [INFO] RPC client: Communicator ended with: 0
2024/12/12 00:38:39 [INFO] RPC endpoint: Communicator ended with: 0
2024/12/12 00:38:39 packer-provisioner-shell plugin: [INFO] RPC client: Communicator ended with: 0

2024-12-12T00:41:03Z:     amazon-ebs: HTTP request sent, awaiting response... 301 Moved Permanently
2024-12-12T00:41:03Z:     amazon-ebs: Location: unspecified
2024-12-12T00:41:03Z:     amazon-ebs: ERROR: Redirection (301) without location.
2024/12/12 00:41:03 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:41:03 [ERROR] Remote command exited with '8': AWS_ACCESS_KEY_ID='' AWS_SECRET_ACCESS_KEY='Iee3g1I+hyUtJvpN5kUEkS40yUvlU+uOfOMGHnVW' AWS_SESSION_TOKEN='' BINARY_BUCKET_NAME='amazon-eks' BINARY_BUCKET_REGION='us-east-1' CACHE_CONTAINER_IMAGES='false' CNI_PLUGIN_VERSION='v1.2.0' CONTAINERD_VERSION='1.7.*' DOCKER_VERSION='none' KUBERNETES_BUILD_DATE='2024-11-15' KUBERNETES_VERSION='1.29.10' PACKER_BUILDER_TYPE='amazon-ebs' PACKER_BUILD_NAME='amazon-ebs' PAUSE_CONTAINER_VERSION='3.5' PULL_CNI_FROM_GITHUB='true' RUNC_VERSION='1.1.*' SSM_AGENT_VERSION='' WORKING_DIR='/home/ec2-user/worker'  bash '/home/ec2-user/script_3952.sh'
2024/12/12 00:41:03 packer-plugin-amazon_v1.3.3_x5.0_linux_amd64 plugin: 2024/12/12 00:41:03 [INFO] RPC endpoint: Communicator ended with: 8

2024-12-12T00:41:03Z: ==> amazon-ebs: Provisioning step had errors: Running the cleanup provisioner, if present...

==> Some builds didn't complete successfully and had errors:
2024/12/12 00:42:05 machine readable: amazon-ebs,error []string{"Script exited with non-zero exit status: 8. Allowed exit codes are: [0]"}

eks-worker-al2.json

{
  "_comment": "All template variables are enumerated here; and most variables have a default value defined in eks-worker-al2-variables.json",
  "variables": {
    "additional_yum_repos": null,
    "ami_component_description": null,
    "ami_description": null,
    "ami_name": null,
    "ami_regions": null,
    "ami_users": null,
    "arch": null,
    "associate_public_ip_address": null,
    "aws_access_key_id": null,
    "aws_region": null,
    "aws_secret_access_key": null,
    "aws_session_token": null,
    "binary_bucket_name": null,
    "binary_bucket_region": null,
    "cache_container_images": null,
    "cni_plugin_version": null,
    "containerd_version": null,
    "creator": null,
    "docker_version": null,
    "encrypted": null,
    "enable_fips": null,
    "instance_type": null,
    "kernel_version": null,
    "kms_key_id": null,
    "kubernetes_build_date": null,
    "kubernetes_version": null,
    "launch_block_device_mappings_volume_size": null,
    "pause_container_version": null,
    "pull_cni_from_github": null,
    "remote_folder": null,
    "runc_version": null,
    "security_group_id": null,
    "source_ami_filter_name": null,
    "source_ami_id": null,
    "source_ami_owners": null,
    "ssh_interface": null,
    "ssh_username": null,
    "ssm_agent_version": null,
    "subnet_id": null,
    "temporary_security_group_source_cidrs": null,
    "volume_type": null,
    "working_dir": null
  },
  "builders": [
    {
      "type": "amazon-ebs",
      "region": "{{user `aws_region`}}",
      "source_ami": "{{user `source_ami_id`}}",
      "ami_users": "{{user `ami_users`}}",
      "snapshot_users": "{{user `ami_users`}}",
      "source_ami_filter": {
        "filters": {
          "name": "{{user `source_ami_filter_name`}}",
          "architecture": "{{user `arch`}}",
          "root-device-type": "ebs",
          "state": "available",
          "virtualization-type": "hvm"
        },
        "owners": [
          "{{user `source_ami_owners`}}"
        ],
        "most_recent": true
      },
      "instance_type": "{{user `instance_type`}}",
      "launch_block_device_mappings": [
        {
          "device_name": "/dev/xvda",
          "volume_type": "{{user `volume_type`}}",
          "volume_size": "{{user `launch_block_device_mappings_volume_size`}}",
          "delete_on_termination": true
        }
      ],
      "ami_block_device_mappings": [
        {
          "device_name": "/dev/xvda",
          "volume_type": "{{user `volume_type`}}",
          "volume_size": 20,
          "delete_on_termination": true
        }
      ],
      "aws_polling": {
        "delay_seconds": 30,
        "max_attempts": 90
      },
      "ami_regions": "{{user `ami_regions`}}",
      "ssh_username": "{{user `ssh_username`}}",
      "ssh_interface": "{{user `ssh_interface`}}",
      "temporary_security_group_source_cidrs": "{{user `temporary_security_group_source_cidrs`}}",
      "security_group_id": "{{user `security_group_id`}}",
      "associate_public_ip_address": "{{user `associate_public_ip_address`}}",
      "ssh_pty": true,
      "encrypt_boot": "{{user `encrypted`}}",
      "kms_key_id": "{{user `kms_key_id`}}",
      "run_tags": {
        "creator": "{{user `creator`}}"
      },
      "subnet_id": "{{user `subnet_id`}}",
      "tags": {
        "Name": "{{user `ami_name`}}",
        "created": "{{timestamp}}",
        "build_region": "{{ .BuildRegion }}",
        "source_ami_id": "{{ .SourceAMI }}",
        "source_ami_name": "{{ .SourceAMIName }}",
        "docker_version": "{{ user `docker_version`}}",
        "containerd_version": "{{ user `containerd_version`}}",
        "kubernetes": "{{ user `kubernetes_version`}}/{{ user `kubernetes_build_date` }}/bin/linux/{{ user `arch` }}",
        "cni_plugin_version": "{{ user `cni_plugin_version`}}",
        "ssm_agent_version": "{{ user `ssm_agent_version`}}"
      },
      "ami_name": "{{user `ami_name`}}",
      "ami_description": "{{ user `ami_description` }}, {{ user `ami_component_description` }}",
      "metadata_options": {
        "http_tokens": "required"
      }
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "inline": [
        "mkdir -p {{user `working_dir`}}",
        "mkdir -p {{user `working_dir`}}/log-collector-script"
      ], "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "script": "{{template_dir}}/scripts/install_additional_repos.sh",
      "environment_vars": [
        "ADDITIONAL_YUM_REPOS={{user `additional_yum_repos`}}"
      ], "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "file",
      "source": "{{template_dir}}/files/",
      "destination": "{{user `working_dir`}}"
    },
    {
      "type": "file",
      "source": "{{template_dir}}/log-collector-script/linux/",
      "destination": "{{user `working_dir`}}/log-collector-script/"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "inline": [
        "sudo chmod -R a+x {{user `working_dir`}}/bin/",
        "sudo mv {{user `working_dir`}}/bin/* /usr/bin/"
      ], "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "script": "{{template_dir}}/scripts/upgrade_kernel.sh",
      "environment_vars": [
        "KUBERNETES_VERSION={{user `kubernetes_version`}}",
        "KERNEL_VERSION={{user `kernel_version`}}"
      ], "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "script": "{{template_dir}}/scripts/enable-fips.sh",
      "environment_vars": [
        "ENABLE_FIPS={{user `enable_fips`}}"
      ], "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "inline": ["sudo reboot"],
      "expect_disconnect": true,
      "pause_after": "90s", 
      "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "script": "{{template_dir}}/scripts/install-worker.sh",
      "environment_vars": [
        "KUBERNETES_VERSION={{user `kubernetes_version`}}",
        "KUBERNETES_BUILD_DATE={{user `kubernetes_build_date`}}",
        "BINARY_BUCKET_NAME={{user `binary_bucket_name`}}",
        "BINARY_BUCKET_REGION={{user `binary_bucket_region`}}",
        "DOCKER_VERSION={{user `docker_version`}}",
        "CONTAINERD_VERSION={{user `containerd_version`}}",
        "RUNC_VERSION={{user `runc_version`}}",
        "CNI_PLUGIN_VERSION={{user `cni_plugin_version`}}",
        "PULL_CNI_FROM_GITHUB={{user `pull_cni_from_github`}}",
        "AWS_ACCESS_KEY_ID={{user `aws_access_key_id`}}",
        "AWS_SECRET_ACCESS_KEY={{user `aws_secret_access_key`}}",
        "AWS_SESSION_TOKEN={{user `aws_session_token`}}",
        "PAUSE_CONTAINER_VERSION={{user `pause_container_version`}}",
        "CACHE_CONTAINER_IMAGES={{user `cache_container_images`}}",
        "WORKING_DIR={{user `working_dir`}}",
        "SSM_AGENT_VERSION={{user `ssm_agent_version`}}"
      ], "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "script": "{{template_dir}}/scripts/cleanup.sh", 
      "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "script": "{{template_dir}}/scripts/cleanup_additional_repos.sh",
      "environment_vars": [
        "ADDITIONAL_YUM_REPOS={{user `additional_yum_repos`}}"
      ], "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "script": "{{template_dir}}/scripts/validate.sh",
      "environment_vars": [
        "KERNEL_VERSION={{user `kernel_version`}}"
      ], "execute_command": "{{.Vars}} bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "script": "{{template_dir}}/scripts/generate-version-info.sh",
      "execute_command": "chmod +x {{ .Path }}; {{ .Path }} {{user `working_dir`}}/version-info.json",
      "environment_vars": [
        "CACHE_CONTAINER_IMAGES={{user `cache_container_images`}}"
      ]
    },
    {
      "type": "file",
      "direction": "download",
      "source": "{{user `working_dir`}}/version-info.json",
      "destination": "{{ user `ami_name` }}-version-info.json"
    },
    {
      "type": "shell",
      "remote_folder": "{{ user `remote_folder`}}",
      "inline": [
        "rm -rf {{user `working_dir`}}"
      ], "execute_command": "{{.Vars}} bash '{{.Path}}'"
    }
  ],
  "post-processors": [
    {
      "type": "manifest",
      "output": "manifest.json",
      "strip_path": true,
      "custom_data": {
        "source_ami_name": "{{ build `SourceAMIName` }}",
        "source_ami_id": "{{ build `SourceAMI` }}"
      }
    },
    {
      "type": "manifest",
      "output": "{{user `ami_name`}}-manifest.json",
      "strip_path": true,
      "custom_data": {
        "source_ami_name": "{{ build `SourceAMIName` }}",
        "source_ami_id": "{{ build `SourceAMI` }}"
      }
    }
  ]
}

manifest.json

{
  "builds": [
    {
      "name": "amazon-ebs",
      "builder_type": "amazon-ebs",
      "build_time": 1701888229,
      "files": null,
      "artifact_id": "",
      "packer_run_uuid": "",
      "custom_data": {
        "source_ami_id": "ami-0d9bc44ba053d93dc",
        "source_ami_name": "CIS Amazon EKS Optimized Amazon Linux 2 Benchmark - Kubernetes v1.31 - Level 1 - v10 -prod-m4rb3t4ugztyi"
      }
    }

  ],
  
  "last_run_uuid": "35aae120-2239-6e1b-abc1-3d0d6c54ae02"
}

Makefile

MAKEFILE_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))

PACKER_DEFAULT_VARIABLE_FILE ?= $(MAKEFILE_DIR)/eks-worker-al2-variables.json
PACKER_TEMPLATE_FILE ?= $(MAKEFILE_DIR)/eks-worker-al2.json
PACKER_BINARY ?= packer
AVAILABLE_PACKER_VARIABLES := $(shell $(PACKER_BINARY) inspect -machine-readable $(PACKER_TEMPLATE_FILE) | grep 'template-variable' | awk -F ',' '{print $$4}')

K8S_VERSION_PARTS := $(subst ., ,$(kubernetes_version))
K8S_VERSION_MINOR := $(word 1,${K8S_VERSION_PARTS}).$(word 2,${K8S_VERSION_PARTS})

# expands to 'true' if PACKER_VARIABLE_FILE is non-empty
# and the file contains the string passed as the first argument
# otherwise, expands to 'false'
packer_variable_file_contains = $(if $(PACKER_VARIABLE_FILE),$(shell grep -Fq $1 $(PACKER_VARIABLE_FILE) && echo true || echo false),false)

# expands to 'true' if the version comparison is affirmative
# otherwise expands to 'false'
vercmp = $(shell $(MAKEFILE_DIR)/files/bin/vercmp "$1" "$2" "$3")

# Docker is not present on 1.25+ AMI's
# TODO: remove this when 1.24 reaches EOL
ifeq ($(call vercmp,$(kubernetes_version),gteq,1.25.0), true)
	# do not tag the AMI with the Docker version
	docker_version ?= none
	# do not include the Docker version in the AMI description
	ami_component_description ?= (k8s: {{ user `kubernetes_version` }}, containerd: {{ user `containerd_version` }})
endif

AMI_VERSION ?= v$(shell date '+%Y%m%d')
AMI_VARIANT ?= amazon-eks
ifneq (,$(findstring al2023, $(PACKER_TEMPLATE_FILE)))
	AMI_VARIANT := $(AMI_VARIANT)-al2023
endif
arch ?= x86_64
ifeq ($(arch), arm64)
	instance_type ?= m6g.large
	AMI_VARIANT := $(AMI_VARIANT)-arm64
else
	instance_type ?= m5.large
endif
ifeq ($(enable_fips), true)
	AMI_VARIANT := $(AMI_VARIANT)-fips
endif
ami_name ?= $(AMI_VARIANT)-node-$(K8S_VERSION_MINOR)-$(AMI_VERSION)

ifeq ($(aws_region), cn-northwest-1)
	source_ami_owners ?= 141808717104
endif

ifeq ($(aws_region), us-gov-west-1)
	source_ami_owners ?= 045324592363
endif

T_RED := \e[0;31m
T_GREEN := \e[0;32m
T_YELLOW := \e[0;33m
T_RESET := \e[0m

# default to the latest supported Kubernetes version
k8s=1.29

.PHONY: build
build: ## Build EKS Optimized AL2 AMI
	$(MAKE) k8s $(shell hack/latest-binaries.sh $(k8s))

# ensure that these flags are equivalent to the rules in the .editorconfig
SHFMT_FLAGS := --list \
--language-dialect auto \
--indent 2 \
--binary-next-line \
--case-indent \
--space-redirects

SHFMT_COMMAND := $(shell which shfmt)
ifeq (, $(SHFMT_COMMAND))
	SHFMT_COMMAND = docker run --rm -v $(MAKEFILE_DIR):$(MAKEFILE_DIR) mvdan/shfmt
endif

.PHONY: fmt
fmt: ## Format the source files
	$(SHFMT_COMMAND) $(SHFMT_FLAGS) --write $(MAKEFILE_DIR)

SHELLCHECK_COMMAND := $(shell which shellcheck)
ifeq (, $(SHELLCHECK_COMMAND))
	SHELLCHECK_COMMAND = docker run --rm -v $(MAKEFILE_DIR):$(MAKEFILE_DIR) koalaman/shellcheck:stable
endif
SHELL_FILES := $(shell find $(MAKEFILE_DIR) -type f -name '*.sh')

.PHONY: transform-al2-to-al2023
transform-al2-to-al2023:
	PACKER_TEMPLATE_FILE=$(PACKER_TEMPLATE_FILE) \
	PACKER_DEFAULT_VARIABLE_FILE=$(PACKER_DEFAULT_VARIABLE_FILE) \
		hack/transform-al2-to-al2023.sh

.PHONY: lint
lint: lint-docs ## Check the source files for syntax and format issues
	$(SHFMT_COMMAND) $(SHFMT_FLAGS) --diff $(MAKEFILE_DIR)
	$(SHELLCHECK_COMMAND) --format gcc --severity error $(SHELL_FILES)
	hack/lint-space-errors.sh

.PHONY: test
test: ## run the test-harness
	test/test-harness.sh

# include only variables which have a defined value
PACKER_VARIABLES := $(foreach packerVar,$(AVAILABLE_PACKER_VARIABLES),$(if $($(packerVar)),$(packerVar)))
PACKER_VAR_FLAGS := -var-file $(PACKER_DEFAULT_VARIABLE_FILE) \
$(if $(PACKER_VARIABLE_FILE),-var-file=$(PACKER_VARIABLE_FILE),) \
$(foreach packerVar,$(PACKER_VARIABLES),-var $(packerVar)='$($(packerVar))')

.PHONY: validate
validate: ## Validate packer config
	$(PACKER_BINARY) validate $(PACKER_VAR_FLAGS) $(PACKER_TEMPLATE_FILE)

.PHONY: k8s
k8s: validate ## Build default K8s version of EKS Optimized AL2 AMI
	@echo "$(T_GREEN)Building AMI for version $(T_YELLOW)$(kubernetes_version)$(T_GREEN) on $(T_YELLOW)$(arch)$(T_RESET)"
	$(PACKER_BINARY) build -timestamp-ui -color=false $(PACKER_VAR_FLAGS) $(PACKER_TEMPLATE_FILE)

.PHONY: 1.23
1.23: ## Build EKS Optimized AL2 AMI - K8s 1.23
	$(MAKE) k8s $(shell hack/latest-binaries.sh 1.23)

.PHONY: 1.24
1.24: ## Build EKS Optimized AL2 AMI - K8s 1.24
	$(MAKE) k8s $(shell hack/latest-binaries.sh 1.24)

.PHONY: 1.25
1.25: ## Build EKS Optimized AL2 AMI - K8s 1.25
	$(MAKE) k8s $(shell hack/latest-binaries.sh 1.25)

.PHONY: 1.26
1.26: ## Build EKS Optimized AL2 AMI - K8s 1.26
	$(MAKE) k8s $(shell hack/latest-binaries.sh 1.26)

.PHONY: 1.27
1.27: ## Build EKS Optimized AL2 AMI - K8s 1.27
	$(MAKE) k8s $(shell hack/latest-binaries.sh 1.27)

.PHONY: 1.28
1.28: ## Build EKS Optimized AL2 AMI - K8s 1.28
	$(MAKE) k8s $(shell hack/latest-binaries.sh 1.28)

.PHONY: 1.29
1.29: ## Build EKS Optimized AL2 AMI - K8s 1.29
	$(MAKE) k8s $(shell hack/latest-binaries.sh 1.29)

.PHONY: lint-docs
lint-docs: ## Lint the docs
	hack/lint-docs.sh

.PHONY: clean
clean:
	rm *-manifest.json
	rm *-version-info.json

.PHONY: help
help: ## Display help
	@awk 'BEGIN {FS = ":.*##"; printf "Usage:\n  make \033[36m<target>\033[0m\n"} /^[\.a-zA-Z_0-9\-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)