å°ãåã« Consul ãåŠã¶ããã«æŽ»çšãããHashiCorp Learn Platformãã®åŠç¿ã³ã³ãã³ãã«æè¿ãVagrant / Packerããè¿œå ãããŠããïŒä»å¹Ž3ææ«æç¹ã§ã¯ãVault / Consul / Terraform / Nomadãã®4çš®é¡ã ã£ãããïŒçŸåšã¯6çš®é¡ã«ãªã£ãŠããïŒPacker 㯠AMI (Amazon Machine Image) ãäœããšãã«äœ¿ãããšãããïŒåºæ¬çãªæ©èœã¯ç解ããŠãããã©ïŒåŠç¿ã³ã³ãã³ãã«èå³ãããåè¬ããŠã¿ãïŒConsul ã®åŠç¿ã³ã³ãã³ããšã¯ç°ãªãïŒPacker ã®åŠç¿ã³ã³ãã³ãã«åç»ã¯ãªãïŒããã¥ã¡ã³ãããŒã¹ã«ãªã£ãŠããïŒ
Learn to build automated machine images with Packer : Getting Started
çŸæç¹ã ãšãLearn to build automated machine images with Packerãã®ãGetting Startedããå
¬éãããŠããïŒå
š6ã¹ãããããæ§æãããŠããŠïŒçŽ¯èšã46 minããšïŒã³ã³ãã¯ãã«ãŸãšãŸã£ãŠããïŒå
容çã«ã¯ Packer 㧠AMI ãäœã£ããïŒDigitalOcean ãš Vagrant ã®ã€ã¡ãŒãžãäœã£ããããïŒPacker æªçµéšè
ã«æé©ãªåŠç¿ã³ã³ãã³ãã ãšæãïŒ
- Install Packer (5 min)
- Build an Image (20 min)
- Provision (5 min)
- Parallel Builds (10 min)
- Vagrant Boxes (4 min)
- Next Steps (2 min)
learn.hashicorp.com
Install Packer
ãInstall Packerãã¹ãããã§ã¯ïŒPacker ãã€ã³ã¹ããŒã«ããïŒä»å㯠Mac ã§åããããïŒbrew ã䜿ãããšã«ããïŒ
$ brew install packer
$ packer --version
1.4.1
OS ããšã«ãã€ããªãå
¬éãããŠããïŒ
www.packer.io
Build an Image
ãBuild an Imageãã¹ãããã§ã¯ïŒãã£ãã AMI ãäœãããïŒä»¥äžã® example.json ãçšæããïŒä»å㯠aws_access_key ãš aws_secret_key ã¯ãã³ãã¬ãŒãã«å«ãã ~/.aws/credentials ãåç
§ããããã«ããïŒ
{
"builders": [
{
"type": "amazon-ebs",
"region": "us-east-1",
"source_ami_filter": {
"filters": {
"virtualization-type": "hvm",
"name": "ubuntu/images/*ubuntu-xenial-16.04-amd64-server-*",
"root-device-type": "ebs"
},
"owners": ["099720109477"],
"most_recent": true
},
"instance_type": "t2.micro",
"ssh_username": "ubuntu",
"ami_name": "packer-example {{timestamp}}"
}
]
}
次㫠packer validate ã§ãã³ãã¬ãŒããæ€èšŒãïŒpacker build ã§ãã«ãããããšïŒããã« AMI ãäœããïŒ
$ packer validate example.json
Template validated successfully.
$ packer build example.json
amazon-ebs output will be in this color.
ïŒäžç¥ïŒ
==> Builds finished. The artifacts of successful builds are:
--> amazon-ebs: AMIs were created:
us-east-1: ami-xxxxxxxxxxxxxxx
詳现ã¯ä»¥äžã®å
¬åŒããã¥ã¡ã³ãã«èŒã£ãŠããïŒ
packer.io
次ã«ãFile ProvisionerããšãShell Provisionerããçµã¿åãããŠããããžã§ãã³ã°ãè©ŠãïŒ
ãŸãïŒä»¥äžã® firstrun.json ãçšæããïŒãã³ãã¬ãŒãã« provisioners ãè¿œå ããããšã«ããïŒwelcome.txt ãäœæãããïŒexample.sh ãå®è¡ãããããŠããïŒbuilders ã®éšåã¯æ¢ã«çšæãã example.json ãšã»ãŒåãèšå®ã«ãªã£ãŠããïŒ
{
"builders": [
ïŒäžç¥ïŒ
],
"provisioners": [
{
"type": "file",
"source": "./welcome.txt",
"destination": "/home/ubuntu/"
},
{
"type": "shell",
"inline": ["ls -al /home/ubuntu", "cat /home/ubuntu/welcome.txt"]
},
{
"type": "shell",
"script": "./example.sh"
}
]
}
åæ§ã« packer validate ãš packer build 㧠AMI ãäœããšïŒä»¥äžã®ããã« provisioners ã®åŠçãé²ãã§ããïŒ
$ packer validate firstrun.json
Template validated successfully.
$ packer build firstrun.json
amazon-ebs output will be in this color.
ïŒäžç¥ïŒ
==> amazon-ebs: Waiting for SSH to become available...
==> amazon-ebs: Connected to SSH!
==> amazon-ebs: Uploading ./welcome.txt => /home/ubuntu/
welcome.txt 19 B / 19 B [=======================================================================================================================================================================================================] 100.00% 1s
ïŒäžç¥ïŒ
==> amazon-ebs: Provisioning with shell script: ./example.sh
amazon-ebs: hello
ïŒäžç¥ïŒ
==> Builds finished. The artifacts of successful builds are:
--> amazon-ebs: AMIs were created:
us-east-1: ami-xxxxxxxxxxxxxxx
æåŸã¯ Windows AMI ãäœãå
容ã«ãªã£ãŠãããã©ïŒä»åã¯å®æœããªãã£ãïŒ
ä»ã«ã AMI ãæå®ãããšãã« source_ami ã§ã¯ãªã source_ami_filter ã䜿ãçç±ã ã£ããïŒprovisioners ã§ã¯ãªã user_data_file ã䜿ãããšãã§ãããïŒå®éã« Packer ã䜿ããšãã«ç¥ã£ãŠããã¹ãå
容ãèšèŒãããŠããŠè¯ãã£ãïŒ
packer.io
packer.io
Provision
ãProvisionãã¹ãããã§ã¯ïŒãShell Provisionerãã䜿ã£ãŠ Redis ãã€ã³ã¹ããŒã«ããïŒä»å㯠example.json ã«ä»¥äžã® provisioners ãè¿œå ããïŒæå³çã« sleep ãè¿œå ããŠããçç±ã¯ãæ£åžžã« OS ãåæåããããŸã§åŸ
ã€ããšæžããŠãã£ãïŒ
{
"builders": [
ïŒäžç¥ïŒ
],
"provisioners": [
{
"type": "shell",
"inline": [
"sleep 30",
"sudo apt-get update",
"sudo apt-get install -y redis-server"
]
}
]
}
åæ§ã« packer validate ãš packer build 㧠AMI ãäœãïŒ
$ packer validate example.json
Template validated successfully.
$ packer build example.json
amazon-ebs output will be in this color.
ïŒäžç¥ïŒ
==> Builds finished. The artifacts of successful builds are:
--> amazon-ebs: AMIs were created:
us-east-1: ami-xxxxxxxxxxxxxxx
å®éã« AMI ãã Amazon EC2 ãèµ·åãããšïŒRedis ãã€ã³ã¹ããŒã«ãããŠããïŒ
$ dpkg -l | grep -i redis
ii redis-server 2:3.0.6-1ubuntu0.3 amd64 Persistent key-value database with network interface
ii redis-tools 2:3.0.6-1ubuntu0.3 amd64 Persistent key-value database with network interface (client)
Parallel Builds
ãParallel Buildsãã¹ãããã§ã¯ïŒãAMI BuilderããšãDigitalOcean Builderãã䜿ã£ãŠïŒãã«ããã©ãããã©ãŒã ãå®çŸããïŒDigitalOcean ã®ã¢ã«ãŠã³ããæã£ãŠãªãïŒä»åã¯å®æœããªãã£ããã©ïŒä»¥äžã®ããã« builders ã«è€æ°ã® type ã䞊ã¹ããšèªåçã«ãã«ããããïŒ
{
"builders": [
{
"type": "amazon-ebs",
"region": "us-east-1",
"source_ami": "ami-fce3c696",
"instance_type": "t2.micro",
"ssh_username": "ubuntu",
"ami_name": "packer-example {{timestamp}}"
},
{
"type": "digitalocean",
"api_token": "{{user `do_api_token`}}",
"image": "ubuntu-14-04-x64",
"region": "nyc3",
"size": "512mb",
"ssh_username": "root"
}
],
"provisioners": [
ïŒäžç¥ïŒ
]
}
Packer ã®è¯ã㯠Builder ã«æå®ã§ããçš®é¡ã®å€ãã«ããïŒãDigitalOcean Builderã以å€ã«ãDocker Builderããªã©ãããïŒ
packer.io
packer.io
Vagrant Boxes
ãVagrant Boxesãã¹ãããã§ã¯ïŒPost-Processors ã®æ©èœã䜿ã£ãŠïŒãã«ããããã€ã¡ãŒãžãå§çž®ãããïŒã¢ãŒãã£ãã¡ã¯ããšããŠã¢ããããŒãã§ããããšãåŠã¶ïŒä»å㯠Vagrant çšã® .box ãã¡ã€ã«ãäœãããïŒãã³ãã¬ãŒãã« post-processors ãè¿œå ããïŒ
{
"builders": [
ïŒäžç¥ïŒ
],
"provisioners": [
ïŒäžç¥ïŒ
]
"post-processors": [
"vagrant"
]
}
åæ§ã« packer validate ãš packer build 㧠AMI ãäœããšïŒå®éã« packer_amazon-ebs_aws.box ãäžç·ã«äœãããŠããïŒ
$ packer validate example.json
Template validated successfully.
$ packer build example.json
amazon-ebs output will be in this color.
ïŒäžç¥ïŒ
==> Builds finished. The artifacts of successful builds are:
--> amazon-ebs: AMIs were created:
us-east-1: ami-xxxxxxxxxxxxxxx
--> amazon-ebs: 'aws' provider box: packer_amazon-ebs_aws.box
packer.io
Next Steps
ãNext Stepsãã¹ãããã§ã¯ïŒå
¬åŒããã¥ã¡ã³ãã GitHub ã Google Group ã®çŽ¹ä»ãšãªã£ãŠããïŒ
packer.io
github.com
ãŸãšã
- ãHashiCorp Learn Platformãã®åŠç¿ã³ã³ãã³ãã«ãVagrantããšãPackerããè¿œå ãããŠãã
- ãLearn to build automated machine images with Packerãã®ãGetting Startedããå®æœãã
- Packer ã䜿ã£ãŠ AMI ãäœããããïŒPacker æªçµéšè
ã«æé©ãªåŠç¿ã³ã³ãã³ãã ãšæã
HashiCorp Learn é¢é£
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kakakakakku.hatenablog.com
