diff options
| -rw-r--r-- | Makefile | 38 | ||||
| -rw-r--r-- | README.md | 41 | ||||
| -rw-r--r-- | centos-7.3-x86_64.json | 10 | ||||
| -rw-r--r-- | ubuntu-16.04-amd64.json | 14 |
4 files changed, 79 insertions, 24 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..012ccbb --- /dev/null +++ b/Makefile @@ -0,0 +1,38 @@ +# Simple Makefile to build packer templates +# TODO: +# - allow overriding packer variables +# - check for hypervisors (and invalidate targets) +# - provisioning logic +BUILDERS = qemu vmware-iso virtualbox-iso +TEMPLATES := $(basename $(filter-out base.json,$(wildcard *.json))) +TARGETS := $(foreach builder, $(BUILDERS), $(foreach template, $(TEMPLATES), $(builder)/$(template))) +PACKER_OPTS := -var-file=base.json + +.PHONY: all list clean +all: list + +$(TARGETS): +ifndef ROOTPW + $(error ROOTPW is not set) +endif + + $(info Building '$(@F)' with '$(@D)') + packer build -only=$(@D) \ + $(PACKER_OPTS) \ + -var='vm_name=$(@F)' \ + $(@F).json + +list: + $(info Possible targets:) + @(for F in $(TARGETS); do echo -e "\t$$F" ; done) + +clean: + $(foreach builder,$(BUILDERS),rm -rf $(builder)/;) + +# convenience do-nothing targets for auto-complete +qemu/ubuntu-16.04-amd64: +qemu/centos-7.3-x86_64: +virtualbox-iso/ubuntu-16.04-amd64: +virtualbox-iso/centos-7.3-x86_64: +vmware-iso/ubuntu-16.04-amd64: +vmware-iso/centos-7.3-x86_64: @@ -15,24 +15,24 @@ The root password is expected to be in the ROOTPW environment variable. The installation procedure will fail without it! Basic usage: +```shell ROOTPW=<password> packer build -var-file=base.json <template> - -For the rest of the examples, the root password is expected to be exported. +``` +For the rest of the examples, ROOTPW is assumed to be set in the environment. ## Usage: Creating base images -Example: build Ubuntu 16.04.2 LTS template using qemu builder +Example - Build Ubuntu 16.04.2 LTS template using qemu builder +```shell packer build -var-file=base.json -only=qemu ubuntu-16.04-amd64.json - +``` Debug: +```shell PACKER_LOG=1 PACKER_LOG_FILE=/var/log/packer.log \ packer build -debug -only=qemu -var-file=base.json ubuntu-16.04-amd64.json - +``` A successful build process would produce a disk image under: - output-<distro>-<builder>-<timestamp>/packer-<distro> - -Example: - output-ubuntu-qemu-1490876841/packer-ubuntu-amd64 + <builder>/<template>, e.g. qemu/centos-7.3-x86_64 Additionally, the manifest post-processor creates a manifest.json file in the working directory containing various information about the generated @@ -54,9 +54,12 @@ Refer to those repos for more information. The simpliest way to initialize the submodule is by cloning this repository with '--recursive'. Build initramfs inside a previously created image: +```shell packer build -var-file=base.json \ -var='image_path='"$(jq -r '.builds[0].files[0].name' < manifest.json)"'' \ ansible-roles/run-playbook-only.json +``` +(This expects 'manifest.json' to contain only one packer artifact.) The path to the existing image is extracted using the jq tool and given as 'image_path' to the packer provisioning template run-playbook-only.json. @@ -64,15 +67,27 @@ A successful build would provide the stage3 initramfs and the VM's kernel in the ansible-roles/boot_files/ directory. Refer to systemd-init for more information on how to setup a boot environment. -The packer artifact is created as output-<timestamp>. This provisioned image +The packer artifact is created in 'output-<timestamp>'. This artifact contains all the development packages needed to build the initramfs, which -can be discarded. +can be discarded. Instead, the base image can be used as the main boot image. + +## Makefile + +A simple Makefile to build packer templates is provided for convenience. +See a list of targets with `make list`. + +Example - Build CentOS 7.3 with qemu: +```shell + make qemu/centos-7.3-x86_64 +``` ## Notes Variables set in base.json can be overriden using packer's '-var' options, e.g.: +```shell packer build -var-file=base.json -var='headless=true' <template> -(Make sure you first include base.json before overriding a variable!) +``` +Make sure you first include base.json before overriding a variable! The partitioning of the virtual disk is done via kickstart/preseed files. Currently, a simple partition scheme is used: separate boot partition, rest a the main system @@ -81,7 +96,9 @@ supported, tested were currently xfs and btrfs. If you change the filesystem to you need to adapt your boot configuration file (SLX_MOUNT_ROOT_OPTIONS). While the qemu builder produces a qcow2 image, it can be further compressed using: +```shell virt-sparsify --compress <qcow2_file> <output_qcow2_file> +``` ## TL;DR 0) git clone --recursive git://git.openslx.org/openslx-ng/packer-templates diff --git a/centos-7.3-x86_64.json b/centos-7.3-x86_64.json index 7248dd0..34176c2 100644 --- a/centos-7.3-x86_64.json +++ b/centos-7.3-x86_64.json @@ -3,7 +3,7 @@ "iso_url": "http://mirrors.kernel.org/centos/7/isos/x86_64/CentOS-7-x86_64-NetInstall-1611.iso", "iso_checksum": "f2f7367deb90a25822947660c71638333ca0eceeabecc2d631be6cd508c24494", "iso_checksum_type": "sha256", - "vm_name": "packer-centos-x86_64", + "vm_name": "centos-7.3-x86_64", "http_dir": "http", "kickstart_path": "centos-7.3/anaconda-ks.cfg", "shutdown_command": "systemctl poweroff", @@ -14,7 +14,7 @@ "iso_url": "{{ user `iso_url` }}", "iso_checksum": "{{ user `iso_checksum` }}", "iso_checksum_type": "{{ user `iso_checksum_type` }}", - "output_directory": "output-centos-x86_64-{{ build_type }}-{{ timestamp }}", + "output_directory": "{{ build_type }}", "vm_name": "{{ user `vm_name` }}", "format": "qcow2", "disk_size": "{{ user `disk_size` }}", @@ -43,7 +43,7 @@ "iso_url": "{{ user `iso_url` }}", "iso_checksum": "{{ user `iso_checksum` }}", "iso_checksum_type": "{{ user `iso_checksum_type` }}", - "output_directory": "output-centos-x86_64-{{ build_type }}-{{ timestamp }}", + "output_directory": "{{ build_type }}", "vm_name": "{{ user `vm_name` }}", "disk_size": "{{ user `disk_size` }}", "headless": "{{ user `headless` }}", @@ -70,7 +70,7 @@ "iso_url": "{{ user `iso_url` }}", "iso_checksum": "{{ user `iso_checksum` }}", "iso_checksum_type": "{{ user `iso_checksum_type` }}", - "output_directory": "output-centos-x86_64-{{ build_type }}-{{ timestamp }}", + "output_directory": "{{ build_type }}", "vm_name": "{{ user `vm_name` }}", "disk_size": "{{ user `disk_size` }}", "headless": "{{ user `headless` }}", @@ -94,6 +94,6 @@ }], "post-processors": [{ "type": "manifest", - "output": "manifest.json" + "output": "{{ build_type }}/manifest.json" }] } diff --git a/ubuntu-16.04-amd64.json b/ubuntu-16.04-amd64.json index 79276fa..67842ed 100644 --- a/ubuntu-16.04-amd64.json +++ b/ubuntu-16.04-amd64.json @@ -3,7 +3,7 @@ "iso_url": "http://releases.ubuntu.com/16.04/ubuntu-16.04.2-server-amd64.iso", "iso_checksum": "737ae7041212c628de5751d15c3016058b0e833fdc32e7420209b76ca3d0a535", "iso_checksum_type": "sha256", - "vm_name": "ubuntu-amd64", + "vm_name": "ubuntu-16.04-amd64", "http_dir": "http", "preseed_path": "ubuntu-16.04/preseed.cfg", "shutdown_command": "systemctl poweroff", @@ -14,7 +14,7 @@ "iso_url": "{{ user `iso_url` }}", "iso_checksum": "{{ user `iso_checksum` }}", "iso_checksum_type": "{{ user `iso_checksum_type` }}", - "output_directory": "qemu/output-ubuntu-amd64-{{ build_type }}-{{ timestamp }}", + "output_directory": "{{ build_type }}", "vm_name": "{{ user `vm_name` }}", "disk_size": "{{ user `disk_size` }}", "format": "qcow2", @@ -56,8 +56,8 @@ "iso_url": "{{ user `iso_url` }}", "iso_checksum": "{{ user `iso_checksum` }}", "iso_checksum_type": "{{ user `iso_checksum_type` }}", - "output_directory": "output-ubuntu-amd64-{{ build_type }}-{{ timestamp }}", - "vm_name": "packer-ubuntu-amd64", + "output_directory": "{{ build_type }}", + "vm_name": "{{ user `vm_name` }}", "disk_size": "{{ user `disk_size` }}", "headless": "{{ user `headless` }}", "http_directory": "{{ user `http_dir` }}", @@ -97,8 +97,8 @@ "iso_url": "{{ user `iso_url` }}", "iso_checksum": "{{ user `iso_checksum` }}", "iso_checksum_type": "{{ user `iso_checksum_type` }}", - "output_directory": "output-ubuntu-amd64-{{ build_type }}-{{ timestamp }}", - "vm_name": "packer-ubuntu-amd64", + "output_directory": "{{ build_type }}", + "vm_name": "{{ user `vm_name` }}", "disk_size": "{{ user `disk_size` }}", "headless": "{{ user `headless` }}", "http_directory": "{{ user `http_dir` }}", @@ -135,6 +135,6 @@ }], "post-processors": [{ "type": "manifest", - "output": "manifest.json" + "output": "{{ build_type }}/manifest.json" }] } |