Bootstrap container for openstack provider (capo)
This patchset provides the Go code and scripts for the Bootstrap container for Openstack. The Bootstrap container for Openstack provider accepts three commands: create, delete and help. - create - creates an Ephemeral K8S cluster in Openstack - delete - deletes the Ephemeral K8S cluster in Openstack - help - Stdout the help text for usage of the bootstrap container. Documentation is available at bootstrap_capo/README.md Change-Id: Idd444834070b84170f18561626c487e23a3ca951
This commit is contained in:
Ratnopam Chakrabarti
parent
32374c3293
commit
3b351b1aa1
1
.gitignore
vendored
1
.gitignore
vendored
@ -4,3 +4,4 @@ bootstrap_capg/go.mod
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bootstrap_capz/.vscode/launch.json
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bootstrap_capz/.vscode/launch.json
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bootstrap_capz/go.mod
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bootstrap_capz/go.mod
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bootstrap_capz/go.sum
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bootstrap_capz/go.sum
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bootstrap_capo/capo-ephemeral
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66
bootstrap_capo/Dockerfile
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66
bootstrap_capo/Dockerfile
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# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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ARG GO_IMAGE=golang:1.14.4
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ARG PYTHON_IMAGE=python:3.8
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FROM ${GO_IMAGE} as builder
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ENV GO111MODULE=on \
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CGO_ENABLED=0 \
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GOOS=linux \
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GOARCH=amd64
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WORKDIR /home/build
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COPY main.go go.mod go.sum ./
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COPY config/ config/
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COPY resource/ resource/
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RUN go install /home/build
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RUN go build -o capo-ephemeral /home/build
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FROM ${PYTHON_IMAGE}
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LABEL org.opencontainers.image.authors='airship-discuss@lists.airshipit.org, irc://#airshipit@freenode' \
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org.opencontainers.image.url='https://airshipit.org' \
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org.opencontainers.image.source='https://opendev.org/airship/images' \
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org.opencontainers.image.vendor='The Airship Authors' \
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org.opencontainers.image.licenses='Apache-2.0'
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RUN set -ex && \
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pip install python-openstackclient
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RUN set -ex && \
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apt-get update
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RUN useradd -m bootstrap
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USER bootstrap
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WORKDIR /home/bootstrap
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ENV HOME=/home/bootstrap
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ENV PATH="${PATH}:${HOME}"
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# Copy the binary from builder
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COPY --from=builder /home/build/capo-ephemeral .
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# Copy resources including scripts and help.txt file
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COPY resource/* $HOME/
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# Executes the go application capo-ephemeral
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CMD ["capo-ephemeral"]
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55
bootstrap_capo/Makefile
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55
bootstrap_capo/Makefile
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SHELL := /bin/bash
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PUSH_IMAGE ?= false
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DOCKER_MAKE_TARGET := build
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# docker image options
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DOCKER_REGISTRY ?= quay.io
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DOCKER_FORCE_CLEAN ?= true
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DOCKER_IMAGE_NAME ?= capo-ephemeral
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DOCKER_IMAGE_PREFIX ?= airshipit
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DOCKER_IMAGE_TAG ?= latest
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DOCKER_IMAGE ?= $(DOCKER_REGISTRY)/$(DOCKER_IMAGE_PREFIX)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)
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DOCKER_TARGET_STAGE ?= release
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CONTAINER_TEMP = capo-ephemeral-temp
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.PHONY: all
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all: build docker
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.PHONY: images
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images: build docker
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.PHONY: build
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build: main.go go.mod go.sum config/openstack_cluster.go config/openstack_config.go Dockerfile
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@docker build --target builder --network=host \
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--build-arg MAKE_TARGET=$(DOCKER_MAKE_TARGET) \
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--tag $(DOCKER_IMAGE) .
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docker run --name $(CONTAINER_TEMP) $(DOCKER_IMAGE) /bin/true
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docker cp $(CONTAINER_TEMP):/home/build/capo-ephemeral .
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.PHONY: docker
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docker: capo-ephemeral resource/create-k8s-cluster.sh resource/delete-k8s-cluster.sh resource/user-data.sh resource/help.txt Dockerfile
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@docker build . --network=host \
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--build-arg MAKE_TARGET=$(DOCKER_MAKE_TARGET) \
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--tag $(DOCKER_IMAGE) \
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--force-rm=$(DOCKER_FORCE_CLEAN)
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ifeq ($(PUSH_IMAGE), true)
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docker push $(DOCKER_IMAGE)
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endif
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.PHONY: clean
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clean:
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@rm capo-ephemeral
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.PHONY: lint
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lint:
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@echo TODO
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# style checks
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.PHONY: tests
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tests: images
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sudo rm -f $(HELP_FILE)
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cp openstack-config.yaml /tmp
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docker run -v /tmp:/kube --env-file bootstrap-env.list --name capo-bootstrap-test $(DOCKER_IMAGE)
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102
bootstrap_capo/README.md
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102
bootstrap_capo/README.md
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# Openstack Bootstrap Container
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This project contains the Go application as well as the shell scripts and configuration files for
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implementing the Openstack Bootstrap container.
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The Openstack Bootstrap container is responsible to create or delete a Kubernetes (K8S) cluster on
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Openstack. The K8S cluster is created using `kubeadm`.
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## Go Application
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The Go application is the container orchestrator that is responsible for translating commands
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into actions: create, delete, help.
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The Go application reads the Ephemeral cluster configuration file (e.g., openstack-config.yaml) and
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converts the attributes into environment variables. These environment variables are used by the
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shell scripts to create or delete the K8S cluster.
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To build this Go application, execute the following commands:
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```bash
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go install .
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go build -o capo-ephemeral
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```
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## Shell Scripts
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The shell scripts make use of openstack cli commands to create and delete K8S cluster.
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The other alternative that was considered was to use magnum container orchestration APIs.
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In order to keep things generic, openstack cli command was chosen to create and delete the K8S
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cluster.
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### Create K8S Cluster script
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The **create-k8s-cluster.sh** script creates a K8S cluster using the information provided in
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the Ephemeral cluster configuration file. It passes `user-data.sh` script in the
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`openstack server create` command to execute series of steps to initiate creation of the K8S
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cluster at boot time. Once the cluster is created, its **kubeconfig** file is copied to the
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container's volume mount, "sharing" it with the host.
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### Delete K8S Cluster script
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The **delete-k8s-cluster.sh** script deletes the underlying VM and the K8S cluster using the
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information provided in the Ephemeral cluster configuration file.
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## Dockerfile
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The **Dockerfile** is used to build the Openstack Bootstrap container image.
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Execute the following command to build the Bootstrap container image:
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```bash
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make docker
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```
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## Pre-requisite
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- [Devstack](https://docs.openstack.org/devstack/latest/guides/devstack-with-lbaas-v2.html)
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is installed.
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- The most recent version of the *64-bit amd64-arch QCOW2* image for *Ubuntu 18.04* is used for
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creating the ephemeral cluster.
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The image is available
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[here](https://cloud-images.ubuntu.com/bionic/current/bionic-server-cloudimg-amd64.img) for
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download and should be available in the devstack environment.
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- `~/.airship/` directory on host machine contains `clouds.yaml` and `openstack-config.yaml` files.
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- airship configuration file is updated with `ephemeral` cluster configuration information.
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## Appendix
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### Required Configuration
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#### Ephemeral Cluster Configuration
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```bash
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$ cat openstack-config.yaml
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apiVersion: v1
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kind: OpenstackCloudConfig
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metadata:
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name: capi-openstack
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credentials:
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credential: clouds.yaml
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cloudName: devstack
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spec:
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cluster:
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machineSize: ds4G
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kubeconfig: capo.kubeconfig
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securityGroup: bootstrap-sec-grp
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```
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#### Airship Configuration
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```bash
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$ cat ~/.airship/config
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apiVersion: airshipit.org/v1alpha1
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bootstrapInfo:
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ephemeral:
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container:
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image: quay.io/airshipit/capo-bootstrap:latest
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name: capo-bootstrap
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volume: /home/stack/.airship:/kube
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ephemeralCluster:
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config: openstack-config.yaml
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```
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3
bootstrap_capo/bootstrap-env.list
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3
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BOOTSTRAP_COMMAND=help
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BOOTSTRAP_CONFIG=openstack-config.yaml
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BOOTSTRAP_VOLUME=/tmp:/kube
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13
bootstrap_capo/clouds.yaml
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bootstrap_capo/clouds.yaml
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clouds:
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devstack:
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auth:
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auth_url: "http://10.0.1.4/identity"
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password: pass
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project_domain_id: default
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project_name: demo
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user_domain_id: default
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username: demo
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identity_api_version: "3"
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region_name: RegionOne
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volume_api_version: "3"
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104
bootstrap_capo/config/openstack_cluster.go
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104
bootstrap_capo/config/openstack_cluster.go
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/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package config
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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)
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const (
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// Bootstrap container environment variables
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openstackCredential = "OS_CREDENTIAL_FILE"
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openstackSecurityGroup = "OS_SECURITY_GROUP"
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openstackCloudName = "OS_CLOUD"
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openstackMachineSize = "OS_MACHINE_FLAVOR"
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openstackKubeconfigFile = "OS_KUBECONFIG_FILE"
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bootstrapHelpFile = "help.txt"
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// BootstrapCommand environment variable
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bootstrapHome = "SRC_DIR"
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bootstrapVolumeSep = ":"
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)
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// SetOpenstackCloudEnvVars sets the environment variables used by the script
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func SetOpenstackCloudEnvVars(config *OpenstackConfig) error {
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err := os.Setenv(openstackCredential, config.Credentials.Credential)
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err = os.Setenv(openstackCloudName, config.Credentials.CloudName)
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err = os.Setenv(openstackSecurityGroup, config.Spec.Cluster.SecurityGroup)
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err = os.Setenv(openstackMachineSize, config.Spec.Cluster.MachineSize)
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err = os.Setenv(openstackKubeconfigFile, config.Spec.Cluster.Kubeconfig)
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if err != nil {
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return err
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}
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return nil
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}
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// GetVolumeMountPoints extracts the source and destination of a volume mount
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func GetVolumeMountPoints(volumeMount string) (string, string, error) {
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if len(volumeMount) == 0 {
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return "", "", errors.New("volume mount is mandatory, please provide volume mount")
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}
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sepPos := strings.Index(volumeMount, bootstrapVolumeSep)
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srcMountPoint := volumeMount[:sepPos]
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dstMountPoint := volumeMount[sepPos+1:]
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return srcMountPoint, dstMountPoint, nil
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}
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// CreateOSCluster creates the ephemeral K8S cluster in Openstack
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func CreateOSCluster() error {
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srcDir := os.Getenv(bootstrapHome)
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shellScriptFile := "./create-k8s-cluster.sh"
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shellScript := filepath.Join(srcDir, shellScriptFile)
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return execute(shellScript)
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}
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// DeleteOSCluster deletes the ephemeral K8S cluster in Openstack
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func DeleteOSCluster() error {
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srcDir := os.Getenv(bootstrapHome)
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shellScriptFile := "./delete-k8s-cluster.sh"
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shellScript := filepath.Join(srcDir, shellScriptFile)
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return execute(shellScript)
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}
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func execute(shellScript string) error {
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cmd := exec.Command(shellScript)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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log.Printf("Executing script %s\n", shellScript)
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if err := cmd.Start(); err != nil {
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return err
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}
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return cmd.Wait()
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}
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// HelpOSCluster prints the help information to supplement the creation of K8S ephemeral cluster
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func HelpOSCluster() error {
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srcDir := os.Getenv(bootstrapHome)
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src := filepath.Join(srcDir, bootstrapHelpFile)
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b, err := ioutil.ReadFile(src)
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fmt.Fprintln(os.Stdout, string(b))
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return err
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}
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82
bootstrap_capo/config/openstack_config.go
Normal file
82
bootstrap_capo/config/openstack_config.go
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/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
|
||||||
|
You may obtain a copy of the License at
|
||||||
|
|
||||||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, software
|
||||||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
|
*/
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package config
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import (
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"io/ioutil"
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"log"
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|
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"sigs.k8s.io/yaml"
|
||||||
|
)
|
||||||
|
|
||||||
|
// OpenstackConfig holds configurations for bootstrap steps
|
||||||
|
type OpenstackConfig struct {
|
||||||
|
// +optional
|
||||||
|
Kind string `yaml:"kind,omitempty"`
|
||||||
|
|
||||||
|
// +optional
|
||||||
|
APIVersion string `yaml:"apiVersion,omitempty"`
|
||||||
|
|
||||||
|
// Configuration parameters for metadata
|
||||||
|
Metadata *Metadata `yaml:"metadata"`
|
||||||
|
|
||||||
|
// Configuration parameters for metadata
|
||||||
|
Credentials *Credentials `yaml:"credentials"`
|
||||||
|
|
||||||
|
// Configuration parameters for spec
|
||||||
|
Spec *Spec `yaml:"spec"`
|
||||||
|
}
|
||||||
|
|
||||||
|
// Metadata structure provides the cluster name to assign and labels to the k8s cluster
|
||||||
|
type Metadata struct {
|
||||||
|
Name string `yaml:"name"`
|
||||||
|
Labels []string `yaml:"labels,omitempty"`
|
||||||
|
}
|
||||||
|
|
||||||
|
// Credentials structu provides the credentials to authenticate with Azure Cloud
|
||||||
|
type Credentials struct {
|
||||||
|
Credential string `yaml:"credential"`
|
||||||
|
CloudName string `yaml:"cloudName"`
|
||||||
|
}
|
||||||
|
|
||||||
|
// Spec structure contains the info for the ck8s luster to deploy
|
||||||
|
type Spec struct {
|
||||||
|
Cluster Cluster `yaml:"cluster"`
|
||||||
|
}
|
||||||
|
|
||||||
|
// Cluster struct provides data for the k8s cluster to deploy
|
||||||
|
type Cluster struct {
|
||||||
|
// flavor of VM
|
||||||
|
MachineSize string `yaml:"machineSize,omitempty"`
|
||||||
|
|
||||||
|
// Kubeconfig filename to save
|
||||||
|
Kubeconfig string `yaml:"kubeconfig,omitempty"`
|
||||||
|
|
||||||
|
// security group
|
||||||
|
SecurityGroup string `yaml:"securityGroup,omitempty"`
|
||||||
|
}
|
||||||
|
|
||||||
|
// ReadYAMLFile reads YAML-formatted configuration file and
|
||||||
|
// de-serializes it to a given object
|
||||||
|
func ReadYAMLFile(filePath string, cfg *OpenstackConfig) error {
|
||||||
|
data, err := ioutil.ReadFile(filePath)
|
||||||
|
log.Printf("Attempting to read Openstack bootstrap cluster configuration file at '%s'", filePath)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
return yaml.Unmarshal(data, cfg)
|
||||||
|
}
|
||||||
8
bootstrap_capo/go.mod
Normal file
8
bootstrap_capo/go.mod
Normal file
@ -0,0 +1,8 @@
|
|||||||
|
module capo
|
||||||
|
|
||||||
|
go 1.14
|
||||||
|
|
||||||
|
require (
|
||||||
|
github.com/pkg/errors v0.9.1
|
||||||
|
sigs.k8s.io/yaml v1.2.0
|
||||||
|
)
|
||||||
8
bootstrap_capo/go.sum
Normal file
8
bootstrap_capo/go.sum
Normal file
@ -0,0 +1,8 @@
|
|||||||
|
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||||
|
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
|
||||||
|
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||||
|
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||||
|
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
|
||||||
|
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||||
|
sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
|
||||||
|
sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
|
||||||
85
bootstrap_capo/main.go
Normal file
85
bootstrap_capo/main.go
Normal file
@ -0,0 +1,85 @@
|
|||||||
|
/*
|
||||||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
you may not use this file except in compliance with the License.
|
||||||
|
You may obtain a copy of the License at
|
||||||
|
|
||||||
|
https://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, software
|
||||||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"capo/config"
|
||||||
|
"log"
|
||||||
|
"os"
|
||||||
|
|
||||||
|
"flag"
|
||||||
|
)
|
||||||
|
|
||||||
|
const (
|
||||||
|
createCmd = "create"
|
||||||
|
deleteCmd = "delete"
|
||||||
|
helpCmd = "help"
|
||||||
|
)
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
var configPath string
|
||||||
|
|
||||||
|
flag.StringVar(&configPath, "c", "", "Path for the Openstack Cloud bootstrap configuration (yaml) file")
|
||||||
|
flag.Parse()
|
||||||
|
|
||||||
|
volMount := os.Getenv("BOOTSTRAP_VOLUME")
|
||||||
|
|
||||||
|
_, dstMount, err := config.GetVolumeMountPoints(volMount)
|
||||||
|
|
||||||
|
if err != nil {
|
||||||
|
log.Printf("Failed to get volume mount, please provide volume mount")
|
||||||
|
os.Exit(1)
|
||||||
|
}
|
||||||
|
openstackConfigPath := dstMount + "/" + os.Getenv("BOOTSTRAP_CONFIG")
|
||||||
|
if len(configPath) == 0 {
|
||||||
|
configPath = openstackConfigPath
|
||||||
|
}
|
||||||
|
|
||||||
|
configYAML := config.OpenstackConfig{}
|
||||||
|
err = config.ReadYAMLFile(configPath, &configYAML)
|
||||||
|
if err != nil {
|
||||||
|
log.Printf("Failed to load Openstack Cloud Bootstrap config file")
|
||||||
|
os.Exit(2)
|
||||||
|
}
|
||||||
|
|
||||||
|
err = config.SetOpenstackCloudEnvVars(&configYAML)
|
||||||
|
if err != nil {
|
||||||
|
log.Printf("Failed to set Openstack Cloud environment variables")
|
||||||
|
os.Exit(3)
|
||||||
|
}
|
||||||
|
|
||||||
|
command := os.Getenv("BOOTSTRAP_COMMAND")
|
||||||
|
switch {
|
||||||
|
case command == createCmd:
|
||||||
|
err = config.CreateOSCluster()
|
||||||
|
if err != nil {
|
||||||
|
os.Exit(4)
|
||||||
|
}
|
||||||
|
case command == deleteCmd:
|
||||||
|
err = config.DeleteOSCluster()
|
||||||
|
if err != nil {
|
||||||
|
os.Exit(5)
|
||||||
|
}
|
||||||
|
case command == helpCmd:
|
||||||
|
err = config.HelpOSCluster()
|
||||||
|
if err != nil {
|
||||||
|
os.Exit(6)
|
||||||
|
}
|
||||||
|
default:
|
||||||
|
log.Printf("The --command parameter value shall be 'create', 'delete' or 'help'")
|
||||||
|
os.Exit(7)
|
||||||
|
}
|
||||||
|
os.Exit(0)
|
||||||
|
}
|
||||||
12
bootstrap_capo/openstack-config.yaml
Normal file
12
bootstrap_capo/openstack-config.yaml
Normal file
@ -0,0 +1,12 @@
|
|||||||
|
apiVersion: v1
|
||||||
|
kind: OpenstackCloudConfig
|
||||||
|
metadata:
|
||||||
|
name: capi-openstack
|
||||||
|
credentials:
|
||||||
|
credential: clouds.yaml
|
||||||
|
cloudName: devstack
|
||||||
|
spec:
|
||||||
|
cluster:
|
||||||
|
machineSize: ds4G
|
||||||
|
kubeconfig: capo.kubeconfig
|
||||||
|
securityGroup: bootstrap-sec-grp
|
||||||
144
bootstrap_capo/resource/create-k8s-cluster.sh
Executable file
144
bootstrap_capo/resource/create-k8s-cluster.sh
Executable file
@ -0,0 +1,144 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
|
||||||
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
# you may not use this file except in compliance with the License.
|
||||||
|
# You may obtain a copy of the License at
|
||||||
|
#
|
||||||
|
# http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
#
|
||||||
|
# Unless required by applicable law or agreed to in writing, software
|
||||||
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
# See the License for the specific language governing permissions and
|
||||||
|
# limitations under the License.
|
||||||
|
|
||||||
|
|
||||||
|
# Bootstrap Environment Variables MUST be provided when running the Container
|
||||||
|
echo "Checking that Openstack Cloud Name has been provided ..."
|
||||||
|
if [[ -z "$OS_CLOUD" ]]; then
|
||||||
|
echo "Openstack cloud name MUST be provided."
|
||||||
|
exit 1
|
||||||
|
else
|
||||||
|
echo "OS_CLOUD = $OS_CLOUD"
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo "Checking that Openstack Cloud Configuration has been provided ..."
|
||||||
|
if [[ -z "$OS_CREDENTIAL_FILE" ]]; then
|
||||||
|
echo "Openstack Cloud Configuration MUST be provided."
|
||||||
|
exit 1
|
||||||
|
else
|
||||||
|
echo "OS_CREDENTIAL_FILE = $OS_CREDENTIAL_FILE"
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "Checking Environment Variables used by the Bootstrap Container ..."
|
||||||
|
|
||||||
|
if [[ -z "$OS_MACHINE_FLAVOR" ]]; then
|
||||||
|
echo "Assigning default value for OS_MACHINE_FLAVOR"
|
||||||
|
export OS_MACHINE_FLAVOR="ds2G"
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [[ -z "$OS_KUBECONFIG_FILE" ]]; then
|
||||||
|
echo "Assigning default value for OS_KUBECONFIG_FILE"
|
||||||
|
export OS_KUBECONFIG_FILE="kubeconfig"
|
||||||
|
fi
|
||||||
|
if [[ -z "$OS_SECURITY_GROUP" ]]; then
|
||||||
|
echo "Assigning default value for OS_SECURITY_GROUP"
|
||||||
|
export OS_SECURITY_GROUP="bootstrap-mgmt-sec-grp"
|
||||||
|
fi
|
||||||
|
|
||||||
|
cp /kube/"$OS_CREDENTIAL_FILE" ~
|
||||||
|
|
||||||
|
echo "OS_CLOUD = $OS_CLOUD"
|
||||||
|
echo "OS_CREDENTIAL_FILE = $OS_CREDENTIAL_FILE"
|
||||||
|
echo "OS_MACHINE_FLAVOR = $OS_MACHINE_FLAVOR"
|
||||||
|
echo "OS_KUBECONFIG_FILE = $OS_KUBECONFIG_FILE"
|
||||||
|
echo "OS_SECURITY_GROUP = $OS_SECURITY_GROUP"
|
||||||
|
echo ""
|
||||||
|
echo ""
|
||||||
|
|
||||||
|
|
||||||
|
echo "creating envs"
|
||||||
|
|
||||||
|
export SECURITY_GROUP=$OS_SECURITY_GROUP
|
||||||
|
export CAPI_VM="bootstrap-k8s"
|
||||||
|
|
||||||
|
export OS_USERNAME=admin
|
||||||
|
|
||||||
|
echo "listing all active images"
|
||||||
|
openstack image list
|
||||||
|
|
||||||
|
echo "SECURITY_GROUP = $SECURITY_GROUP"
|
||||||
|
echo "VM NAME = $CAPI_VM"
|
||||||
|
|
||||||
|
#echo "creating security group"
|
||||||
|
openstack security group create --project demo --project-domain Default $SECURITY_GROUP
|
||||||
|
|
||||||
|
#echo "adding rules to the security group"
|
||||||
|
openstack security group rule create $SECURITY_GROUP --protocol tcp --remote-ip 0.0.0.0/0
|
||||||
|
|
||||||
|
openstack security group rule create $SECURITY_GROUP --protocol tcp --dst-port 10248:10252 --remote-ip 0.0.0.0/0
|
||||||
|
|
||||||
|
export PRIVATE_NETWORK_ID=$(openstack network show private | grep "\<id\>" | awk '{print $4}' )
|
||||||
|
export K8S_IMAGE_ID=$(openstack image list | grep "ubuntu-k8s" | awk '{print $2}' )
|
||||||
|
|
||||||
|
echo "PRIVATE_NW_ID = $PRIVATE_NETWORK_ID"
|
||||||
|
echo "K8S_IMAGE = $K8S_IMAGE_ID"
|
||||||
|
|
||||||
|
#Generate ssh key pair without being prompted for pass phrase
|
||||||
|
ssh-keygen -f ~/.ssh/id_rsa -t rsa -N ''
|
||||||
|
|
||||||
|
echo "printing public key"
|
||||||
|
echo $(cat ~/.ssh/id_rsa.pub)
|
||||||
|
export SSH_KEY_PUB=$(cat ~/.ssh/id_rsa.pub)
|
||||||
|
echo $SSH_KEY_PUB > stack.pub
|
||||||
|
|
||||||
|
openstack keypair delete stack
|
||||||
|
|
||||||
|
echo "creating openstack key pair"
|
||||||
|
openstack keypair create --public-key stack.pub stack
|
||||||
|
|
||||||
|
echo "************** listing key pairs ***************"
|
||||||
|
openstack keypair list
|
||||||
|
|
||||||
|
export FLOATING_IP_ADDRESS=${FLOATING_IP_ADDRESS:-172.24.4.199}
|
||||||
|
|
||||||
|
echo "Add floating IP to public network"
|
||||||
|
openstack floating ip create public --floating-ip-address $FLOATING_IP_ADDRESS
|
||||||
|
|
||||||
|
echo "creating vm for spinning up ephemeral kubernetes cluster"
|
||||||
|
openstack server create --image $K8S_IMAGE_ID --flavor $OS_MACHINE_FLAVOR --security-group $SECURITY_GROUP --nic net-id=$PRIVATE_NETWORK_ID \
|
||||||
|
--key-name stack --user-data user-data.sh $CAPI_VM --wait
|
||||||
|
|
||||||
|
echo "associating floating ip with vm"
|
||||||
|
openstack server add floating ip $CAPI_VM $FLOATING_IP_ADDRESS
|
||||||
|
|
||||||
|
echo "waiting for kubernets cluster to be up"
|
||||||
|
|
||||||
|
#echo "check if kube config is ready on remote vm"
|
||||||
|
|
||||||
|
N=0
|
||||||
|
MAX_RETRY=30
|
||||||
|
DELAY=60
|
||||||
|
|
||||||
|
until [ "$N" -ge ${MAX_RETRY} ]
|
||||||
|
do
|
||||||
|
if ssh -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa ubuntu@$FLOATING_IP_ADDRESS '[ -d /home/ubuntu/.kube/ ]'; then
|
||||||
|
printf "kube config is available\n"
|
||||||
|
break
|
||||||
|
else
|
||||||
|
printf "Kube config does not exist, or still being created\n"
|
||||||
|
N=$((N+1))
|
||||||
|
echo "$N: Retry to check if kubeconfig exists"
|
||||||
|
sleep ${DELAY}
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
echo "copying the kubeconfig of ephemeral cluster to container host"
|
||||||
|
scp -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa ubuntu@$FLOATING_IP_ADDRESS:/home/ubuntu/.kube/config /kube/$OS_KUBECONFIG_FILE
|
||||||
|
|
||||||
|
chmod +rw /kube/$OS_KUBECONFIG_FILE
|
||||||
|
|
||||||
|
echo "done copying kubeconfig file"
|
||||||
|
|
||||||
|
echo "*************** done ***************"
|
||||||
80
bootstrap_capo/resource/delete-k8s-cluster.sh
Executable file
80
bootstrap_capo/resource/delete-k8s-cluster.sh
Executable file
@ -0,0 +1,80 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
|
||||||
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
# you may not use this file except in compliance with the License.
|
||||||
|
# You may obtain a copy of the License at
|
||||||
|
#
|
||||||
|
# http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
#
|
||||||
|
# Unless required by applicable law or agreed to in writing, software
|
||||||
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
# See the License for the specific language governing permissions and
|
||||||
|
# limitations under the License.
|
||||||
|
|
||||||
|
# Bootstrap Environment Variables MUST be provided when running the Container
|
||||||
|
echo "Checking that Openstack Cloud Name has been provided ..."
|
||||||
|
if [[ -z "$OS_CLOUD" ]]; then
|
||||||
|
echo "Openstack cloud name MUST be provided."
|
||||||
|
exit 1
|
||||||
|
else
|
||||||
|
echo "OS_CLOUD = $OS_CLOUD"
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo "Checking that Openstack Cloud Configuration has been provided ..."
|
||||||
|
if [[ -z "$OS_CREDENTIAL_FILE" ]]; then
|
||||||
|
echo "Openstack Cloud Configuration MUST be provided."
|
||||||
|
exit 1
|
||||||
|
else
|
||||||
|
echo "OS_CREDENTIAL_FILE = $OS_CREDENTIAL_FILE"
|
||||||
|
fi
|
||||||
|
|
||||||
|
cp /kube/$OS_CREDENTIAL_FILE ~
|
||||||
|
|
||||||
|
echo "deleting the k8s ephemeral cluster"
|
||||||
|
|
||||||
|
if [[ -z "$OS_KUBECONFIG_FILE" ]]; then
|
||||||
|
echo "Assigning default value for OS_KUBECONFIG_FILE"
|
||||||
|
export OS_KUBECONFIG_FILE="kubeconfig"
|
||||||
|
fi
|
||||||
|
if [[ -z "$OS_SECURITY_GROUP" ]]; then
|
||||||
|
echo "Assigning default value for OS_SECURITY_GROUP"
|
||||||
|
export OS_SECURITY_GROUP="bootstrap-mgmt-sec-grp"
|
||||||
|
fi
|
||||||
|
|
||||||
|
export SECURITY_GROUP=$OS_SECURITY_GROUP
|
||||||
|
export CAPI_VM="bootstrap-k8s"
|
||||||
|
export FLOATING_IP_ADDRESS=${FLOATING_IP_ADDRESS:-172.24.4.199}
|
||||||
|
echo "OS_CLOUD = $OS_CLOUD"
|
||||||
|
echo "OS_CREDENTIAL_FILE = $OS_CREDENTIAL_FILE"
|
||||||
|
echo "OS_MACHINE_FLAVOR = $OS_MACHINE_FLAVOR"
|
||||||
|
echo "OS_KUBECONFIG_FILE = $OS_KUBECONFIG_FILE"
|
||||||
|
echo "OS_SECURITY_GROUP = $OS_SECURITY_GROUP"
|
||||||
|
echo ""
|
||||||
|
echo ""
|
||||||
|
|
||||||
|
openstack server delete $CAPI_VM --wait
|
||||||
|
|
||||||
|
if [ $? -ne 0 ]; then
|
||||||
|
echo "*** Failed to delete cluster in VM $CAPI_VM "
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo "K8s cluster deleted successfully in VM $CAPI_VM"
|
||||||
|
|
||||||
|
openstack security group delete $SECURITY_GROUP
|
||||||
|
|
||||||
|
if [ $? -ne 0 ]; then
|
||||||
|
echo "*** Failed to delete security group $SECURITY_GROUP."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
echo "Security Group $SECURITY_GROUP is deleted successfully."
|
||||||
|
|
||||||
|
openstack floating ip delete $FLOATING_IP_ADDRESS
|
||||||
|
if [ $? -ne 0 ]; then
|
||||||
|
echo "*** Failed to delete floating ip $FLOATING_IP_ADDRESS."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
echo "Floating IP $FLOATING_IP is released successfully."
|
||||||
|
|
||||||
|
echo "Kubernetes ephemeral cluster on vm $CAPI_VM is deleted successfully."
|
||||||
32
bootstrap_capo/resource/help.txt
Normal file
32
bootstrap_capo/resource/help.txt
Normal file
@ -0,0 +1,32 @@
|
|||||||
|
Openstack Ephemeral Configuration File Definition
|
||||||
|
-----------------------------------------------------
|
||||||
|
The Openstack Bootstrap container creates an Ephemeral K8S cluster on the Openstack.
|
||||||
|
The container requires clouds.yaml credentials and other information about the cluster to deploy.
|
||||||
|
It requires a YAML configuration file with the format provided below.
|
||||||
|
|
||||||
|
<Openstack Config Definition>
|
||||||
|
apiVersion: v1
|
||||||
|
kind: OpenstackConfig
|
||||||
|
metadata:
|
||||||
|
name: <metadata-name>
|
||||||
|
credentials:
|
||||||
|
credential: <Clouds.yaml file of devstack>
|
||||||
|
cloudName: <openstack cloud name i.e. devstack>
|
||||||
|
spec:
|
||||||
|
cluster:
|
||||||
|
machineSize: <Openstack VM flavor, e.g. ds2G>
|
||||||
|
kubeconfig: <Kubeconfig filename, Default is 'kubeconfig'>
|
||||||
|
securityGroup:<Security Group that'll be attached to the VM>
|
||||||
|
</Openstack Config Definition>
|
||||||
|
|
||||||
|
The expected location for the Openstack bootstrap configuration file is dictated by the "volume" mount
|
||||||
|
specified in the Airship config file (bootstrapInfo.ephemeral.container.volume).
|
||||||
|
For example, $HOME/.airship folder and shown in the snippet below:
|
||||||
|
|
||||||
|
<Snippet>
|
||||||
|
apiVersion: airshipit.org/v1alpha1
|
||||||
|
bootstrapInfo:
|
||||||
|
ephemeral:
|
||||||
|
container:
|
||||||
|
volume: /home/stack/.airship:/kube
|
||||||
|
</Snippet>
|
||||||
55
bootstrap_capo/resource/user-data.sh
Executable file
55
bootstrap_capo/resource/user-data.sh
Executable file
@ -0,0 +1,55 @@
|
|||||||
|
#!/bin/sh
|
||||||
|
|
||||||
|
DEBIAN_FRONTEND=noninteractive apt-get remove -y resolvconf
|
||||||
|
sed -i 's/domain-name-servers, domain-search, //' /etc/dhcp/dhclient.conf
|
||||||
|
service networking restart
|
||||||
|
sed -i '/nameserver/d' /etc/resolv.conf
|
||||||
|
export NAMESERVER=${NAMESERVER:-8.8.8.8}
|
||||||
|
export NAMESERVER_OTHER=${NAMESERVER_OTHER:-8.8.4.4}
|
||||||
|
echo 'nameserver '"$NAMESERVER" >> /etc/resolv.conf
|
||||||
|
echo 'nameserver '"$NAMESERVER_OTHER" >> /etc/resolv.conf
|
||||||
|
echo "nameserver is set"
|
||||||
|
|
||||||
|
apt-get update
|
||||||
|
apt-get upgrade -y
|
||||||
|
apt-get install -y apt-transport-https ca-certificates curl \
|
||||||
|
software-properties-common
|
||||||
|
|
||||||
|
apt-get install -y docker.io
|
||||||
|
|
||||||
|
bash -c 'cat << EOF > /etc/docker/daemon.json
|
||||||
|
{
|
||||||
|
"exec-opts": ["native.cgroupdriver=systemd"]
|
||||||
|
}
|
||||||
|
EOF'
|
||||||
|
|
||||||
|
export APT_KEY_GPG_URL=${APT_KEY_GPG_URL:-https://packages.cloud.google.com/apt/doc/apt-key.gpg}
|
||||||
|
export K8S_IO_DEB_URL=${K8S_IO_DEB_URL:-http://apt.kubernetes.io/}
|
||||||
|
|
||||||
|
curl -s "$APT_KEY_GPG_URL" | sudo apt-key add -
|
||||||
|
|
||||||
|
bash -c 'cat << EOF > /etc/apt/sources.list.d/kubernetes.list
|
||||||
|
deb $K8S_IO_DEB_URL kubernetes-xenial main
|
||||||
|
EOF'
|
||||||
|
|
||||||
|
export K8S_VERSION=${K8S_VERSION:-1.19.0-00}
|
||||||
|
|
||||||
|
apt update
|
||||||
|
|
||||||
|
apt install -y kubelet="$K8S_VERSION" kubeadm="$K8S_VERSION" kubectl="$K8S_VERSION"
|
||||||
|
|
||||||
|
export CONTROL_PLANE_IP=${CONTROL_PLANE_IP:-172.24.4.199}
|
||||||
|
|
||||||
|
kubeadm init --pod-network-cidr=10.244.0.0/16 --apiserver-cert-extra-sans="$CONTROL_PLANE_IP" \
|
||||||
|
--control-plane-endpoint="$CONTROL_PLANE_IP"
|
||||||
|
|
||||||
|
mkdir -p /home/ubuntu/.kube
|
||||||
|
|
||||||
|
cp -i /etc/kubernetes/admin.conf /home/ubuntu/.kube/config
|
||||||
|
|
||||||
|
chown ubuntu:ubuntu /home/ubuntu/.kube/config
|
||||||
|
|
||||||
|
export CALICO_URL=${CALICO_URL:-https://docs.projectcalico.org/v3.15/manifests/calico.yaml}
|
||||||
|
|
||||||
|
export KUBECONFIG=/etc/kubernetes/admin.conf && \
|
||||||
|
kubectl apply -f "$CALICO_URL"
|
||||||
28
playbooks/airship-images-go-install.yaml
Normal file
28
playbooks/airship-images-go-install.yaml
Normal file
@ -0,0 +1,28 @@
|
|||||||
|
# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
|
||||||
|
#
|
||||||
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
# you may not use this file except in compliance with the License.
|
||||||
|
# You may obtain a copy of the License at
|
||||||
|
#
|
||||||
|
# http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
#
|
||||||
|
# Unless required by applicable law or agreed to in writing, software
|
||||||
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
# See the License for the specific language governing permissions and
|
||||||
|
# limitations under the License.
|
||||||
|
|
||||||
|
- hosts: primary
|
||||||
|
vars_files:
|
||||||
|
- vars/version.yaml
|
||||||
|
tasks:
|
||||||
|
- name: install go language
|
||||||
|
shell: |
|
||||||
|
sudo -E curl -sO "{{url}}"/go/"{{golang_version}}".tar.gz
|
||||||
|
sudo tar -C /usr/local -xzf "{{golang_version}}".tar.gz
|
||||||
|
rm "{{golang_version}}".tar.gz
|
||||||
|
cat >> ~/.profile << EOF
|
||||||
|
export PATH=$PATH:/usr/local/go/bin
|
||||||
|
EOF
|
||||||
|
become: yes
|
||||||
|
when: ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu'
|
||||||
3
playbooks/vars/version.yaml
Normal file
3
playbooks/vars/version.yaml
Normal file
@ -0,0 +1,3 @@
|
|||||||
|
---
|
||||||
|
golang_version: go1.14.1.linux-amd64
|
||||||
|
url: https://dl.google.com
|
||||||
Loading…
Reference in New Issue
Block a user