forked from vitalif/vitastor
Implement basic CSI driver
Currently can create and remove volumes, but resizing and snapshots is not supported yetallow-etcd-address-option
parent
eaac1fc5d1
commit
fd8244699b
@ -0,0 +1,3 @@
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vitastor-csi
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go.sum
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Dockerfile
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@ -0,0 +1,32 @@
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# Compile stage
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FROM golang:buster AS build
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ADD go.mod /app/
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RUN cd /app; CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go mod download -x
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ADD . /app
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RUN perl -i -e '$/ = undef; while(<>) { s/\n\s*(\{\s*\n)/$1\n/g; s/\}(\s*\n\s*)else\b/$1} else/g; print; }' `find /app -name '*.go'`
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RUN cd /app; CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -o vitastor-csi
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# Final stage
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FROM debian:buster
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LABEL maintainers="Vitaliy Filippov <vitalif@yourcmc.ru>"
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LABEL description="Vitastor CSI Driver"
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ENV NODE_ID=""
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ENV CSI_ENDPOINT=""
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RUN apt-get update && \
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apt-get install -y wget && \
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wget -q -O /etc/apt/trusted.gpg.d/vitastor.gpg https://vitastor.io/debian/pubkey.gpg && \
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(echo deb http://vitastor.io/debian buster main > /etc/apt/sources.list.d/vitastor.list) && \
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(echo deb http://deb.debian.org/debian buster-backports main > /etc/apt/sources.list.d/backports.list) && \
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(echo "APT::Install-Recommends false;" > /etc/apt/apt.conf) && \
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apt-get update && \
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apt-get install -y e2fsprogs xfsprogs vitastor kmod && \
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apt-get clean && \
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(echo options nbd nbds_max=128 > /etc/modprobe.d/nbd.conf)
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COPY --from=build /app/vitastor-csi /bin/
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ENTRYPOINT ["/bin/vitastor-csi"]
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@ -0,0 +1,9 @@
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VERSION ?= v0.6.3
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all: build push
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build:
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@docker build --rm -t vitalif/vitastor-csi:$(VERSION) .
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push:
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@docker push vitalif/vitastor-csi:$(VERSION)
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@ -0,0 +1,5 @@
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---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: vitastor-system
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@ -0,0 +1,9 @@
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---
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apiVersion: v1
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kind: ConfigMap
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data:
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vitastor.conf: |-
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{"etcd_address":"http://192.168.7.2:2379","etcd_prefix":"/vitastor"}
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metadata:
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namespace: vitastor-system
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name: vitastor-config
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@ -0,0 +1,37 @@
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---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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namespace: vitastor-system
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name: vitastor-csi-nodeplugin
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---
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kind: ClusterRole
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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namespace: vitastor-system
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name: vitastor-csi-nodeplugin
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rules:
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- apiGroups: [""]
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resources: ["nodes"]
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verbs: ["get"]
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# allow to read Vault Token and connection options from the Tenants namespace
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- apiGroups: [""]
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resources: ["secrets"]
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verbs: ["get"]
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- apiGroups: [""]
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resources: ["configmaps"]
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verbs: ["get"]
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---
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kind: ClusterRoleBinding
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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namespace: vitastor-system
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name: vitastor-csi-nodeplugin
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subjects:
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- kind: ServiceAccount
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name: vitastor-csi-nodeplugin
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namespace: vitastor-system
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roleRef:
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kind: ClusterRole
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name: vitastor-csi-nodeplugin
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apiGroup: rbac.authorization.k8s.io
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@ -0,0 +1,72 @@
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---
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apiVersion: policy/v1beta1
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kind: PodSecurityPolicy
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metadata:
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namespace: vitastor-system
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name: vitastor-csi-nodeplugin-psp
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spec:
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allowPrivilegeEscalation: true
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allowedCapabilities:
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- 'SYS_ADMIN'
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fsGroup:
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rule: RunAsAny
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privileged: true
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hostNetwork: true
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hostPID: true
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runAsUser:
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rule: RunAsAny
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seLinux:
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rule: RunAsAny
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supplementalGroups:
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rule: RunAsAny
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volumes:
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- 'configMap'
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- 'emptyDir'
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- 'projected'
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- 'secret'
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- 'downwardAPI'
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- 'hostPath'
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allowedHostPaths:
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- pathPrefix: '/dev'
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readOnly: false
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- pathPrefix: '/run/mount'
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readOnly: false
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- pathPrefix: '/sys'
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readOnly: false
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- pathPrefix: '/lib/modules'
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readOnly: true
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- pathPrefix: '/var/lib/kubelet/pods'
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readOnly: false
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- pathPrefix: '/var/lib/kubelet/plugins/csi.vitastor.io'
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readOnly: false
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- pathPrefix: '/var/lib/kubelet/plugins_registry'
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readOnly: false
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- pathPrefix: '/var/lib/kubelet/plugins'
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readOnly: false
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---
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kind: Role
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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namespace: vitastor-system
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name: vitastor-csi-nodeplugin-psp
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rules:
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- apiGroups: ['policy']
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resources: ['podsecuritypolicies']
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verbs: ['use']
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resourceNames: ['vitastor-csi-nodeplugin-psp']
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---
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kind: RoleBinding
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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namespace: vitastor-system
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name: vitastor-csi-nodeplugin-psp
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subjects:
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- kind: ServiceAccount
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name: vitastor-csi-nodeplugin
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namespace: vitastor-system
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roleRef:
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kind: Role
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name: vitastor-csi-nodeplugin-psp
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apiGroup: rbac.authorization.k8s.io
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@ -0,0 +1,140 @@
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---
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kind: DaemonSet
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apiVersion: apps/v1
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metadata:
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namespace: vitastor-system
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name: csi-vitastor
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spec:
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selector:
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matchLabels:
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app: csi-vitastor
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template:
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metadata:
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namespace: vitastor-system
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labels:
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app: csi-vitastor
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spec:
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serviceAccountName: vitastor-csi-nodeplugin
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hostNetwork: true
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hostPID: true
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priorityClassName: system-node-critical
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# to use e.g. Rook orchestrated cluster, and mons' FQDN is
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# resolved through k8s service, set dns policy to cluster first
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dnsPolicy: ClusterFirstWithHostNet
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containers:
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- name: driver-registrar
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# This is necessary only for systems with SELinux, where
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# non-privileged sidecar containers cannot access unix domain socket
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# created by privileged CSI driver container.
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securityContext:
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privileged: true
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image: k8s.gcr.io/sig-storage/csi-node-driver-registrar:v2.2.0
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args:
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- "--v=5"
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- "--csi-address=/csi/csi.sock"
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- "--kubelet-registration-path=/var/lib/kubelet/plugins/csi.vitastor.io/csi.sock"
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env:
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- name: KUBE_NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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volumeMounts:
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- name: socket-dir
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mountPath: /csi
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- name: registration-dir
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mountPath: /registration
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- name: csi-vitastor
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securityContext:
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privileged: true
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capabilities:
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add: ["SYS_ADMIN"]
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allowPrivilegeEscalation: true
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image: vitalif/vitastor-csi:v0.6.3
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args:
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- "--node=$(NODE_ID)"
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- "--endpoint=$(CSI_ENDPOINT)"
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env:
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- name: NODE_ID
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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- name: CSI_ENDPOINT
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value: unix:///csi/csi.sock
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imagePullPolicy: "IfNotPresent"
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ports:
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- containerPort: 9898
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name: healthz
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protocol: TCP
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livenessProbe:
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failureThreshold: 5
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httpGet:
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path: /healthz
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port: healthz
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initialDelaySeconds: 10
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timeoutSeconds: 3
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periodSeconds: 2
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volumeMounts:
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- name: socket-dir
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mountPath: /csi
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- mountPath: /dev
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name: host-dev
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- mountPath: /sys
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name: host-sys
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- mountPath: /run/mount
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name: host-mount
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- mountPath: /lib/modules
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name: lib-modules
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readOnly: true
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- name: vitastor-config
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mountPath: /etc/vitastor
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- name: plugin-dir
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mountPath: /var/lib/kubelet/plugins
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mountPropagation: "Bidirectional"
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- name: mountpoint-dir
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mountPath: /var/lib/kubelet/pods
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mountPropagation: "Bidirectional"
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- name: liveness-probe
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securityContext:
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privileged: true
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image: quay.io/k8scsi/livenessprobe:v1.1.0
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args:
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- "--csi-address=$(CSI_ENDPOINT)"
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- "--health-port=9898"
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env:
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- name: CSI_ENDPOINT
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value: unix://csi/csi.sock
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volumeMounts:
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- mountPath: /csi
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name: socket-dir
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volumes:
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- name: socket-dir
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hostPath:
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path: /var/lib/kubelet/plugins/csi.vitastor.io
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type: DirectoryOrCreate
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- name: plugin-dir
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hostPath:
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path: /var/lib/kubelet/plugins
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type: Directory
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- name: mountpoint-dir
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hostPath:
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path: /var/lib/kubelet/pods
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type: DirectoryOrCreate
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- name: registration-dir
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hostPath:
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path: /var/lib/kubelet/plugins_registry/
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type: Directory
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- name: host-dev
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hostPath:
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path: /dev
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- name: host-sys
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hostPath:
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path: /sys
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- name: host-mount
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hostPath:
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path: /run/mount
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- name: lib-modules
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hostPath:
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path: /lib/modules
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- name: vitastor-config
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configMap:
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name: vitastor-config
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@ -0,0 +1,102 @@
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---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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namespace: vitastor-system
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name: vitastor-csi-provisioner
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---
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kind: ClusterRole
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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namespace: vitastor-system
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name: vitastor-external-provisioner-runner
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rules:
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- apiGroups: [""]
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resources: ["nodes"]
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verbs: ["get", "list", "watch"]
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- apiGroups: [""]
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resources: ["secrets"]
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verbs: ["get", "list", "watch"]
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- apiGroups: [""]
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resources: ["events"]
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verbs: ["list", "watch", "create", "update", "patch"]
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- apiGroups: [""]
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resources: ["persistentvolumes"]
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verbs: ["get", "list", "watch", "create", "update", "delete", "patch"]
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- apiGroups: [""]
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resources: ["persistentvolumeclaims"]
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verbs: ["get", "list", "watch", "update"]
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- apiGroups: [""]
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resources: ["persistentvolumeclaims/status"]
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verbs: ["update", "patch"]
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- apiGroups: ["storage.k8s.io"]
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resources: ["storageclasses"]
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verbs: ["get", "list", "watch"]
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- apiGroups: ["snapshot.storage.k8s.io"]
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resources: ["volumesnapshots"]
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verbs: ["get", "list"]
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- apiGroups: ["snapshot.storage.k8s.io"]
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resources: ["volumesnapshotcontents"]
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verbs: ["create", "get", "list", "watch", "update", "delete"]
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- apiGroups: ["snapshot.storage.k8s.io"]
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resources: ["volumesnapshotclasses"]
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verbs: ["get", "list", "watch"]
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- apiGroups: ["storage.k8s.io"]
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resources: ["volumeattachments"]
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verbs: ["get", "list", "watch", "update", "patch"]
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- apiGroups: ["storage.k8s.io"]
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resources: ["volumeattachments/status"]
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verbs: ["patch"]
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- apiGroups: ["storage.k8s.io"]
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resources: ["csinodes"]
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verbs: ["get", "list", "watch"]
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- apiGroups: ["snapshot.storage.k8s.io"]
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resources: ["volumesnapshotcontents/status"]
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verbs: ["update"]
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- apiGroups: [""]
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resources: ["configmaps"]
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verbs: ["get"]
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---
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kind: ClusterRoleBinding
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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namespace: vitastor-system
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name: vitastor-csi-provisioner-role
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subjects:
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- kind: ServiceAccount
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name: vitastor-csi-provisioner
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namespace: vitastor-system
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roleRef:
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kind: ClusterRole
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name: vitastor-external-provisioner-runner
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apiGroup: rbac.authorization.k8s.io
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---
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kind: Role
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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namespace: vitastor-system
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name: vitastor-external-provisioner-cfg
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rules:
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- apiGroups: [""]
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resources: ["configmaps"]
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verbs: ["get", "list", "watch", "create", "update", "delete"]
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- apiGroups: ["coordination.k8s.io"]
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resources: ["leases"]
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verbs: ["get", "watch", "list", "delete", "update", "create"]
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---
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kind: RoleBinding
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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name: vitastor-csi-provisioner-role-cfg
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namespace: vitastor-system
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subjects:
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- kind: ServiceAccount
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name: vitastor-csi-provisioner
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namespace: vitastor-system
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roleRef:
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kind: Role
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name: vitastor-external-provisioner-cfg
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apiGroup: rbac.authorization.k8s.io
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@ -0,0 +1,60 @@
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---
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apiVersion: policy/v1beta1
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kind: PodSecurityPolicy
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metadata:
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namespace: vitastor-system
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name: vitastor-csi-provisioner-psp
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spec:
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allowPrivilegeEscalation: true
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allowedCapabilities:
|
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- 'SYS_ADMIN'
|
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fsGroup:
|
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rule: RunAsAny
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privileged: true
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runAsUser:
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rule: RunAsAny
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seLinux:
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rule: RunAsAny
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supplementalGroups:
|
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rule: RunAsAny
|
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volumes:
|
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- 'configMap'
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- 'emptyDir'
|
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- 'projected'
|
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- 'secret'
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- 'downwardAPI'
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- 'hostPath'
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allowedHostPaths:
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- pathPrefix: '/dev'
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readOnly: false
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- pathPrefix: '/sys'
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readOnly: false
|
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- pathPrefix: '/lib/modules'
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readOnly: true
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||||
|
||||
---
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kind: Role
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apiVersion: rbac.authorization.k8s.io/v1
|
||||
metadata:
|
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namespace: vitastor-system
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name: vitastor-csi-provisioner-psp
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rules:
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- apiGroups: ['policy']
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resources: ['podsecuritypolicies']
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verbs: ['use']
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resourceNames: ['vitastor-csi-provisioner-psp']
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||||
|
||||
---
|
||||
kind: RoleBinding
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apiVersion: rbac.authorization.k8s.io/v1
|
||||
metadata:
|
||||
name: vitastor-csi-provisioner-psp
|
||||
namespace: vitastor-system
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subjects:
|
||||
- kind: ServiceAccount
|
||||
name: vitastor-csi-provisioner
|
||||
namespace: vitastor-system
|
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roleRef:
|
||||
kind: Role
|
||||
name: vitastor-csi-provisioner-psp
|
||||
apiGroup: rbac.authorization.k8s.io
|
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@ -0,0 +1,159 @@
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---
|
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kind: Service
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apiVersion: v1
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metadata:
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||||
namespace: vitastor-system
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name: csi-vitastor-provisioner
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labels:
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app: csi-metrics
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spec:
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||||
selector:
|
||||
app: csi-vitastor-provisioner
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ports:
|
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- name: http-metrics
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port: 8080
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protocol: TCP
|
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targetPort: 8680
|
||||
|
||||
---
|
||||
kind: Deployment
|
||||
apiVersion: apps/v1
|
||||
metadata:
|
||||
namespace: vitastor-system
|
||||
name: csi-vitastor-provisioner
|
||||
spec:
|
||||
replicas: 3
|
||||
selector:
|
||||
matchLabels:
|
||||
app: csi-vitastor-provisioner
|
||||
template:
|
||||
metadata:
|
||||
namespace: vitastor-system
|
||||
labels:
|
||||
app: csi-vitastor-provisioner
|
||||
spec:
|
||||
affinity:
|
||||
podAntiAffinity:
|
||||
requiredDuringSchedulingIgnoredDuringExecution:
|
||||
- labelSelector:
|
||||
matchExpressions:
|
||||
- key: app
|
||||
operator: In
|
||||
values:
|
||||
- csi-vitastor-provisioner
|
||||
topologyKey: "kubernetes.io/hostname"
|
||||
serviceAccountName: vitastor-csi-provisioner
|
||||
priorityClassName: system-cluster-critical
|
||||
containers:
|
||||
- name: csi-provisioner
|
||||
image: k8s.gcr.io/sig-storage/csi-provisioner:v2.2.0
|
||||
args:
|
||||
- "--csi-address=$(ADDRESS)"
|
||||
- "--v=5"
|
||||
- "--timeout=150s"
|
||||
- "--retry-interval-start=500ms"
|
||||
- "--leader-election=true"
|
||||
# set it to true to use topology based provisioning
|
||||
- "--feature-gates=Topology=false"
|
||||
# if fstype is not specified in storageclass, ext4 is default
|
||||
- "--default-fstype=ext4"
|
||||
- "--extra-create-metadata=true"
|
||||
env:
|
||||
- name: ADDRESS
|
||||
value: unix:///csi/csi-provisioner.sock
|
||||
imagePullPolicy: "IfNotPresent"
|
||||
volumeMounts:
|
||||
- name: socket-dir
|
||||
mountPath: /csi
|
||||
- name: csi-snapshotter
|
||||
image: k8s.gcr.io/sig-storage/csi-snapshotter:v4.0.0
|
||||
args:
|
||||
- "--csi-address=$(ADDRESS)"
|
||||
- "--v=5"
|
||||
- "--timeout=150s"
|
||||
- "--leader-election=true"
|
||||
env:
|
||||
- name: ADDRESS
|
||||
value: unix:///csi/csi-provisioner.sock
|
||||
imagePullPolicy: "IfNotPresent"
|
||||
securityContext:
|
||||
privileged: true
|
||||
volumeMounts:
|
||||
- name: socket-dir
|
||||
mountPath: /csi
|
||||
- name: csi-attacher
|
||||
image: k8s.gcr.io/sig-storage/csi-attacher:v3.1.0
|
||||
args:
|
||||
- "--v=5"
|
||||
- "--csi-address=$(ADDRESS)"
|
||||
- "--leader-election=true"
|
||||
- "--retry-interval-start=500ms"
|
||||
env:
|
||||
- name: ADDRESS
|
||||
value: /csi/csi-provisioner.sock
|
||||
imagePullPolicy: "IfNotPresent"
|
||||
volumeMounts:
|
||||
- name: socket-dir
|
||||
mountPath: /csi
|
||||
- name: csi-resizer
|
||||
image: k8s.gcr.io/sig-storage/csi-resizer:v1.1.0
|
||||
args:
|
||||
- "--csi-address=$(ADDRESS)"
|
||||
- "--v=5"
|
||||
- "--timeout=150s"
|
||||
- "--leader-election"
|
||||
- "--retry-interval-start=500ms"
|
||||
- "--handle-volume-inuse-error=false"
|
||||
env:
|
||||
- name: ADDRESS
|
||||
value: unix:///csi/csi-provisioner.sock
|
||||
imagePullPolicy: "IfNotPresent"
|
||||
volumeMounts:
|
||||
- name: socket-dir
|
||||
mountPath: /csi
|
||||
- name: csi-vitastor
|
||||
securityContext:
|
||||
privileged: true
|
||||
capabilities:
|
||||
add: ["SYS_ADMIN"]
|
||||
image: vitalif/vitastor-csi:v0.6.3
|
||||
args:
|
||||
- "--node=$(NODE_ID)"
|
||||
- "--endpoint=$(CSI_ENDPOINT)"
|
||||
env:
|
||||
- name: NODE_ID
|
||||
valueFrom:
|
||||
fieldRef:
|
||||
fieldPath: spec.nodeName
|
||||
- name: CSI_ENDPOINT
|
||||
value: unix:///csi/csi-provisioner.sock
|
||||
imagePullPolicy: "IfNotPresent"
|
||||
volumeMounts:
|
||||
- name: socket-dir
|
||||
mountPath: /csi
|
||||
- mountPath: /dev
|
||||
name: host-dev
|
||||
- mountPath: /sys
|
||||
name: host-sys
|
||||
- mountPath: /lib/modules
|
||||
name: lib-modules
|
||||
readOnly: true
|
||||
- name: vitastor-config
|
||||
mountPath: /etc/vitastor
|
||||
volumes:
|
||||
- name: host-dev
|
||||
hostPath:
|
||||
path: /dev
|
||||
- name: host-sys
|
||||
hostPath:
|
||||
path: /sys
|
||||
- name: lib-modules
|
||||
hostPath:
|
||||
path: /lib/modules
|
||||
- name: socket-dir
|
||||
emptyDir: {
|
||||
medium: "Memory"
|
||||
}
|
||||
- name: vitastor-config
|
||||
configMap:
|
||||
name: vitastor-config
|
||||
@ -0,0 +1,11 @@
|
||||
---
|
||||
# if Kubernetes version is less than 1.18 change
|
||||
# apiVersion to storage.k8s.io/v1betav1
|
||||
apiVersion: storage.k8s.io/v1
|
||||
kind: CSIDriver
|
||||
metadata:
|
||||
namespace: vitastor-system
|
||||
name: csi.vitastor.io
|
||||
spec:
|
||||
attachRequired: true
|
||||
podInfoOnMount: false
|
||||
@ -0,0 +1,12 @@
|
||||
---
|
||||
apiVersion: v1
|
||||
kind: PersistentVolumeClaim
|
||||
metadata:
|
||||
name: test-vitastor-pvc
|
||||
spec:
|
||||
storageClassName: vitastor-csi-storage-class
|
||||
accessModes:
|
||||
- ReadWriteOnce
|
||||
resources:
|
||||
requests:
|
||||
storage: 10Gi
|
||||
@ -0,0 +1,19 @@
|
||||
---
|
||||
apiVersion: storage.k8s.io/v1
|
||||
kind: StorageClass
|
||||
metadata:
|
||||
namespace: vitastor-system
|
||||
name: vitastor-csi-storage-class
|
||||
annotations:
|
||||
storageclass.kubernetes.io/is-default-class: "true"
|
||||
provisioner: csi.vitastor.io
|
||||
volumeBindingMode: Immediate
|
||||
parameters:
|
||||
etcdVolumePrefix: ""
|
||||
poolId: "1"
|
||||
# you can choose other configuration file if you have it in the config map
|
||||
#configPath: "/etc/vitastor/vitastor.conf"
|
||||
# you can also specify etcdUrl here, maybe to connect to another Vitastor cluster
|
||||
# multiple etcdUrls may be specified, delimited by comma
|
||||
#etcdUrl: "http://192.168.7.2:2379"
|
||||
#etcdPrefix: "/vitastor"
|
||||
@ -0,0 +1,35 @@
|
||||
module vitastor.io/csi
|
||||
|
||||
go 1.15
|
||||
|
||||
require (
|
||||
github.com/container-storage-interface/spec v1.4.0
|
||||
github.com/coreos/bbolt v0.0.0-00010101000000-000000000000 // indirect
|
||||
github.com/coreos/etcd v3.3.25+incompatible // indirect
|
||||
github.com/coreos/go-semver v0.3.0 // indirect
|
||||
github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
|
||||
github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
|
||||
github.com/dustin/go-humanize v1.0.0 // indirect
|
||||
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
|
||||
github.com/gorilla/websocket v1.4.2 // indirect
|
||||
github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
|
||||
github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
|
||||
github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
|
||||
github.com/jonboulle/clockwork v0.2.2 // indirect
|
||||
github.com/kubernetes-csi/csi-lib-utils v0.9.1
|
||||
github.com/soheilhy/cmux v0.1.5 // indirect
|
||||
github.com/tmc/grpc-websocket-proxy v0.0.0-20201229170055-e5319fda7802 // indirect
|
||||
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
|
||||
go.etcd.io/bbolt v0.0.0-00010101000000-000000000000 // indirect
|
||||
go.etcd.io/etcd v3.3.25+incompatible
|
||||
golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb
|
||||
google.golang.org/grpc v1.33.1
|
||||
k8s.io/klog v1.0.0
|
||||
k8s.io/utils v0.0.0-20210305010621-2afb4311ab10
|
||||
)
|
||||
|
||||
replace github.com/coreos/bbolt => go.etcd.io/bbolt v1.3.5
|
||||
|
||||
replace go.etcd.io/bbolt => github.com/coreos/bbolt v1.3.5
|
||||
|
||||
replace google.golang.org/grpc => google.golang.org/grpc v1.25.1
|
||||
@ -0,0 +1,22 @@
|
||||
// Copyright (c) Vitaliy Filippov, 2019+
|
||||
// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
|
||||
|
||||
package vitastor
|
||||
|
||||
const (
|
||||
vitastorCSIDriverName = "csi.vitastor.io"
|
||||
vitastorCSIDriverVersion = "0.6.3"
|
||||
)
|
||||
|
||||
// Config struct fills the parameters of request or user input
|
||||
type Config struct
|
||||
{
|
||||
Endpoint string
|
||||
NodeID string
|
||||
}
|
||||
|
||||
// NewConfig returns config struct to initialize new driver
|
||||
func NewConfig() *Config
|
||||
{
|
||||
return &Config{}
|
||||
}
|
||||
@ -0,0 +1,530 @@
|
||||
// Copyright (c) Vitaliy Filippov, 2019+
|
||||
// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
|
||||
|
||||
package vitastor
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"strings"
|
||||
"bytes"
|
||||
"strconv"
|
||||
"time"
|
||||
"fmt"
|
||||
"os"
|
||||
"os/exec"
|
||||
"io/ioutil"
|
||||
|
||||
"github.com/kubernetes-csi/csi-lib-utils/protosanitizer"
|
||||
"k8s.io/klog"
|
||||
|
||||
"google.golang.org/grpc/codes"
|
||||
"google.golang.org/grpc/status"
|
||||
|
||||
"go.etcd.io/etcd/clientv3"
|
||||
|
||||
"github.com/container-storage-interface/spec/lib/go/csi"
|
||||
)
|
||||
|
||||
const (
|
||||
KB int64 = 1024
|
||||
MB int64 = 1024 * KB
|
||||
GB int64 = 1024 * MB
|
||||
TB int64 = 1024 * GB
|
||||
ETCD_TIMEOUT time.Duration = 15*time.Second
|
||||
)
|
||||
|
||||
type InodeIndex struct
|
||||
{
|
||||
Id uint64 `json:"id"`
|
||||
PoolId uint64 `json:"pool_id"`
|
||||
}
|
||||
|
||||
type InodeConfig struct
|
||||
{
|
||||
Name string `json:"name"`
|
||||
Size uint64 `json:"size,omitempty"`
|
||||
ParentPool uint64 `json:"parent_pool,omitempty"`
|
||||
ParentId uint64 `json:"parent_id,omitempty"`
|
||||
Readonly bool `json:"readonly,omitempty"`
|
||||
}
|
||||
|
||||
type ControllerServer struct
|
||||
{
|
||||
*Driver
|
||||
}
|
||||
|
||||
// NewControllerServer create new instance controller
|
||||
func NewControllerServer(driver *Driver) *ControllerServer
|
||||
{
|
||||
return &ControllerServer{
|
||||
Driver: driver,
|
||||
}
|
||||
}
|
||||
|
||||
func GetConnectionParams(params map[string]string) (map[string]string, []string, string)
|
||||
{
|
||||
ctxVars := make(map[string]string)
|
||||
configPath := params["configPath"]
|
||||
if (configPath == "")
|
||||
{
|
||||
configPath = "/etc/vitastor/vitastor.conf"
|
||||
}
|
||||
else
|
||||
{
|
||||
ctxVars["configPath"] = configPath
|
||||
}
|
||||
config := make(map[string]interface{})
|
||||
if configFD, err := os.Open(configPath); err == nil
|
||||
{
|
||||
defer configFD.Close()
|
||||
data, _ := ioutil.ReadAll(configFD)
|
||||
json.Unmarshal(data, &config)
|
||||
}
|
||||
// Try to load prefix & etcd URL from the config
|
||||
var etcdUrl []string
|
||||
if (params["etcdUrl"] != "")
|
||||
{
|
||||
ctxVars["etcdUrl"] = params["etcdUrl"]
|
||||
etcdUrl = strings.Split(params["etcdUrl"], ",")
|
||||
}
|
||||
if (len(etcdUrl) == 0)
|
||||
{
|
||||
switch config["etcd_address"].(type)
|
||||
{
|
||||
case string:
|
||||
etcdUrl = strings.Split(config["etcd_address"].(string), ",")
|
||||
case []string:
|
||||
etcdUrl = config["etcd_address"].([]string)
|
||||
}
|
||||
}
|
||||
etcdPrefix := params["etcdPrefix"]
|
||||
if (etcdPrefix == "")
|
||||
{
|
||||
etcdPrefix, _ = config["etcd_prefix"].(string)
|
||||
if (etcdPrefix == "")
|
||||
{
|
||||
etcdPrefix = "/vitastor"
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ctxVars["etcdPrefix"] = etcdPrefix
|
||||
}
|
||||
return ctxVars, etcdUrl, etcdPrefix
|
||||
}
|
||||
|
||||
// Create the volume
|
||||
func (cs *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error)
|
||||
{
|
||||
klog.Infof("received controller create volume request %+v", protosanitizer.StripSecrets(req))
|
||||
if (req == nil)
|
||||
{
|
||||
return nil, status.Errorf(codes.InvalidArgument, "request cannot be empty")
|
||||
}
|
||||
if (req.GetName() == "")
|
||||
{
|
||||
return nil, status.Error(codes.InvalidArgument, "name is a required field")
|
||||
}
|
||||
volumeCapabilities := req.GetVolumeCapabilities()
|
||||
if (volumeCapabilities == nil)
|
||||
{
|
||||
return nil, status.Error(codes.InvalidArgument, "volume capabilities is a required field")
|
||||
}
|
||||
|
||||
etcdVolumePrefix := req.Parameters["etcdVolumePrefix"]
|
||||
poolId, _ := strconv.ParseUint(req.Parameters["poolId"], 10, 64)
|
||||
if (poolId == 0)
|
||||
{
|
||||
return nil, status.Error(codes.InvalidArgument, "poolId is missing in storage class configuration")
|
||||
}
|
||||
|
||||
volName := etcdVolumePrefix + req.GetName()
|
||||
volSize := 1 * GB
|
||||
if capRange := req.GetCapacityRange(); capRange != nil
|
||||
{
|
||||
volSize = ((capRange.GetRequiredBytes() + MB - 1) / MB) * MB
|
||||
}
|
||||
|
||||
// FIXME: The following should PROBABLY be implemented externally in a management tool
|
||||
|
||||
ctxVars, etcdUrl, etcdPrefix := GetConnectionParams(req.Parameters)
|
||||
if (len(etcdUrl) == 0)
|
||||
{
|
||||
return nil, status.Error(codes.InvalidArgument, "no etcdUrl in storage class configuration and no etcd_address in vitastor.conf")
|
||||
}
|
||||
|
||||
// Connect to etcd
|
||||
cli, err := clientv3.New(clientv3.Config{
|
||||
DialTimeout: ETCD_TIMEOUT,
|
||||
Endpoints: etcdUrl,
|
||||
})
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to connect to etcd at "+strings.Join(etcdUrl, ",")+": "+err.Error())
|
||||
}
|
||||
defer cli.Close()
|
||||
|
||||
var imageId uint64 = 0
|
||||
for
|
||||
{
|
||||
// Check if the image exists
|
||||
ctx, cancel := context.WithTimeout(context.Background(), ETCD_TIMEOUT)
|
||||
resp, err := cli.Get(ctx, etcdPrefix+"/index/image/"+volName)
|
||||
cancel()
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to read key from etcd: "+err.Error())
|
||||
}
|
||||
if (len(resp.Kvs) > 0)
|
||||
{
|
||||
kv := resp.Kvs[0]
|
||||
var v InodeIndex
|
||||
err := json.Unmarshal(kv.Value, &v)
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "invalid /index/image/"+volName+" key in etcd: "+err.Error())
|
||||
}
|
||||
poolId = v.PoolId
|
||||
imageId = v.Id
|
||||
inodeCfgKey := fmt.Sprintf("/config/inode/%d/%d", poolId, imageId)
|
||||
ctx, cancel := context.WithTimeout(context.Background(), ETCD_TIMEOUT)
|
||||
resp, err := cli.Get(ctx, etcdPrefix+inodeCfgKey)
|
||||
cancel()
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to read key from etcd: "+err.Error())
|
||||
}
|
||||
if (len(resp.Kvs) == 0)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "missing "+inodeCfgKey+" key in etcd")
|
||||
}
|
||||
var inodeCfg InodeConfig
|
||||
err = json.Unmarshal(resp.Kvs[0].Value, &inodeCfg)
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "invalid "+inodeCfgKey+" key in etcd: "+err.Error())
|
||||
}
|
||||
if (inodeCfg.Size < uint64(volSize))
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "image "+volName+" is already created, but size is less than expected")
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// Find a free ID
|
||||
// Create image metadata in a transaction verifying that the image doesn't exist yet AND ID is still free
|
||||
maxIdKey := fmt.Sprintf("%s/index/maxid/%d", etcdPrefix, poolId)
|
||||
ctx, cancel := context.WithTimeout(context.Background(), ETCD_TIMEOUT)
|
||||
resp, err := cli.Get(ctx, maxIdKey)
|
||||
cancel()
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to read key from etcd: "+err.Error())
|
||||
}
|
||||
var modRev int64
|
||||
var nextId uint64
|
||||
if (len(resp.Kvs) > 0)
|
||||
{
|
||||
var err error
|
||||
nextId, err = strconv.ParseUint(string(resp.Kvs[0].Value), 10, 64)
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, maxIdKey+" contains invalid ID")
|
||||
}
|
||||
modRev = resp.Kvs[0].ModRevision
|
||||
nextId++
|
||||
}
|
||||
else
|
||||
{
|
||||
nextId = 1
|
||||
}
|
||||
inodeIdxJson, _ := json.Marshal(InodeIndex{
|
||||
Id: nextId,
|
||||
PoolId: poolId,
|
||||
})
|
||||
inodeCfgJson, _ := json.Marshal(InodeConfig{
|
||||
Name: volName,
|
||||
Size: uint64(volSize),
|
||||
})
|
||||
ctx, cancel = context.WithTimeout(context.Background(), ETCD_TIMEOUT)
|
||||
txnResp, err := cli.Txn(ctx).If(
|
||||
clientv3.Compare(clientv3.ModRevision(fmt.Sprintf("%s/index/maxid/%d", etcdPrefix, poolId)), "=", modRev),
|
||||
clientv3.Compare(clientv3.CreateRevision(fmt.Sprintf("%s/index/image/%s", etcdPrefix, volName)), "=", 0),
|
||||
clientv3.Compare(clientv3.CreateRevision(fmt.Sprintf("%s/config/inode/%d/%d", etcdPrefix, poolId, nextId)), "=", 0),
|
||||
).Then(
|
||||
clientv3.OpPut(fmt.Sprintf("%s/index/maxid/%d", etcdPrefix, poolId), fmt.Sprintf("%d", nextId)),
|
||||
clientv3.OpPut(fmt.Sprintf("%s/index/image/%s", etcdPrefix, volName), string(inodeIdxJson)),
|
||||
clientv3.OpPut(fmt.Sprintf("%s/config/inode/%d/%d", etcdPrefix, poolId, nextId), string(inodeCfgJson)),
|
||||
).Commit()
|
||||
cancel()
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to commit transaction in etcd: "+err.Error())
|
||||
}
|
||||
if (txnResp.Succeeded)
|
||||
{
|
||||
imageId = nextId
|
||||
break
|
||||
}
|
||||
// Start over if the transaction fails
|
||||
}
|
||||
}
|
||||
|
||||
ctxVars["name"] = volName
|
||||
volumeIdJson, _ := json.Marshal(ctxVars)
|
||||
return &csi.CreateVolumeResponse{
|
||||
Volume: &csi.Volume{
|
||||
// Ugly, but VolumeContext isn't passed to DeleteVolume :-(
|
||||
VolumeId: string(volumeIdJson),
|
||||
CapacityBytes: volSize,
|
||||
},
|
||||
}, nil
|
||||
}
|
||||
|
||||
// DeleteVolume deletes the given volume
|
||||
func (cs *ControllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVolumeRequest) (*csi.DeleteVolumeResponse, error)
|
||||
{
|
||||
klog.Infof("received controller delete volume request %+v", protosanitizer.StripSecrets(req))
|
||||
if (req == nil)
|
||||
{
|
||||
return nil, status.Error(codes.InvalidArgument, "request cannot be empty")
|
||||
}
|
||||
|
||||
ctxVars := make(map[string]string)
|
||||
err := json.Unmarshal([]byte(req.VolumeId), &ctxVars)
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "volume ID not in JSON format")
|
||||
}
|
||||
volName := ctxVars["name"]
|
||||
|
||||
_, etcdUrl, etcdPrefix := GetConnectionParams(ctxVars)
|
||||
if (len(etcdUrl) == 0)
|
||||
{
|
||||
return nil, status.Error(codes.InvalidArgument, "no etcdUrl in storage class configuration and no etcd_address in vitastor.conf")
|
||||
}
|
||||
|
||||
cli, err := clientv3.New(clientv3.Config{
|
||||
DialTimeout: ETCD_TIMEOUT,
|
||||
Endpoints: etcdUrl,
|
||||
})
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to connect to etcd at "+strings.Join(etcdUrl, ",")+": "+err.Error())
|
||||
}
|
||||
defer cli.Close()
|
||||
|
||||
// Find inode by name
|
||||
ctx, cancel := context.WithTimeout(context.Background(), ETCD_TIMEOUT)
|
||||
resp, err := cli.Get(ctx, etcdPrefix+"/index/image/"+volName)
|
||||
cancel()
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to read key from etcd: "+err.Error())
|
||||
}
|
||||
if (len(resp.Kvs) == 0)
|
||||
{
|
||||
return nil, status.Error(codes.NotFound, "volume "+volName+" does not exist")
|
||||
}
|
||||
var idx InodeIndex
|
||||
err = json.Unmarshal(resp.Kvs[0].Value, &idx)
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "invalid /index/image/"+volName+" key in etcd: "+err.Error())
|
||||
}
|
||||
|
||||
// Get inode config
|
||||
inodeCfgKey := fmt.Sprintf("%s/config/inode/%d/%d", etcdPrefix, idx.PoolId, idx.Id)
|
||||
ctx, cancel = context.WithTimeout(context.Background(), ETCD_TIMEOUT)
|
||||
resp, err = cli.Get(ctx, inodeCfgKey)
|
||||
cancel()
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to read key from etcd: "+err.Error())
|
||||
}
|
||||
if (len(resp.Kvs) == 0)
|
||||
{
|
||||
return nil, status.Error(codes.NotFound, "volume "+volName+" does not exist")
|
||||
}
|
||||
var inodeCfg InodeConfig
|
||||
err = json.Unmarshal(resp.Kvs[0].Value, &inodeCfg)
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "invalid "+inodeCfgKey+" key in etcd: "+err.Error())
|
||||
}
|
||||
|
||||
// Delete inode data by invoking vitastor-rm
|
||||
args := []string{
|
||||
"--etcd_address", strings.Join(etcdUrl, ","),
|
||||
"--pool", fmt.Sprintf("%d", idx.PoolId),
|
||||
"--inode", fmt.Sprintf("%d", idx.Id),
|
||||
}
|
||||
if (ctxVars["configPath"] != "")
|
||||
{
|
||||
args = append(args, "--config_path", ctxVars["configPath"])
|
||||
}
|
||||
c := exec.Command("/usr/bin/vitastor-rm", args...)
|
||||
var stderr bytes.Buffer
|
||||
c.Stdout = nil
|
||||
c.Stderr = &stderr
|
||||
err = c.Run()
|
||||
stderrStr := string(stderr.Bytes())
|
||||
if (err != nil)
|
||||
{
|
||||
klog.Errorf("vitastor-rm failed: %s, status %s\n", stderrStr, err)
|
||||
return nil, status.Error(codes.Internal, stderrStr+" (status "+err.Error()+")")
|
||||
}
|
||||
|
||||
// Delete inode config in etcd
|
||||
ctx, cancel = context.WithTimeout(context.Background(), ETCD_TIMEOUT)
|
||||
txnResp, err := cli.Txn(ctx).Then(
|
||||
clientv3.OpDelete(fmt.Sprintf("%s/index/image/%s", etcdPrefix, volName)),
|
||||
clientv3.OpDelete(fmt.Sprintf("%s/config/inode/%d/%d", etcdPrefix, idx.PoolId, idx.Id)),
|
||||
).Commit()
|
||||
cancel()
|
||||
if (err != nil)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to delete keys in etcd: "+err.Error())
|
||||
}
|
||||
if (!txnResp.Succeeded)
|
||||
{
|
||||
return nil, status.Error(codes.Internal, "failed to delete keys in etcd: transaction failed")
|
||||
}
|
||||
|
||||
return &csi.DeleteVolumeResponse{}, nil
|
||||
}
|
||||
|
||||
// ControllerPublishVolume return Unimplemented error
|
||||
func (cs *ControllerServer) ControllerPublishVolume(ctx context.Context, req *csi.ControllerPublishVolumeRequest) (*csi.ControllerPublishVolumeResponse, error)
|
||||
{
|
||||
return nil, status.Error(codes.Unimplemented, "")
|
||||
}
|
||||
|
||||
// ControllerUnpublishVolume return Unimplemented error
|
||||
func (cs *ControllerServer) ControllerUnpublishVolume(ctx context.Context, req *csi.ControllerUnpublishVolumeRequest) (*csi.ControllerUnpublishVolumeResponse, error)
|
||||
{
|
||||
return nil, status.Error(codes.Unimplemented, "")
|
||||
}
|
||||
|
||||
// ValidateVolumeCapabilities checks whether the volume capabilities requested are supported.
|
||||
func (cs *ControllerServer) ValidateVolumeCapabilities(ctx context.Context, req *csi.ValidateVolumeCapabilitiesRequest) (*csi.ValidateVolumeCapabilitiesResponse, error)
|
||||
{
|
||||
klog.Infof("received controller validate volume capability request %+v", protosanitizer.StripSecrets(req))
|
||||
if (req == nil)
|
||||
{
|
||||
return nil, status.Errorf(codes.InvalidArgument, "request is nil")
|
||||
}
|
||||
volumeID := req.GetVolumeId()
|
||||
if (volumeID == "")
|
||||
{
|
||||
return nil, status.Error(codes.InvalidArgument, "volumeId is nil")
|
||||
}
|
||||
volumeCapabilities := req.GetVolumeCapabilities()
|
||||
if (volumeCapabilities == nil)
|
||||
{
|
||||
return nil, status.Error(codes.InvalidArgument, "volumeCapabilities is nil")
|
||||
}
|
||||
|
||||
var volumeCapabilityAccessModes []*csi.VolumeCapability_AccessMode
|
||||
for _, mode := range []csi.VolumeCapability_AccessMode_Mode{
|
||||
csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
|
||||
csi.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
|
||||
} {
|
||||
volumeCapabilityAccessModes = append(volumeCapabilityAccessModes, &csi.VolumeCapability_AccessMode{Mode: mode})
|
||||
}
|
||||
|
||||
capabilitySupport := false
|
||||
for _, capability := range volumeCapabilities
|
||||
{
|
||||
for _, volumeCapabilityAccessMode := range volumeCapabilityAccessModes
|
||||
{
|
||||
if (volumeCapabilityAccessMode.Mode == capability.AccessMode.Mode)
|
||||
{
|
||||
capabilitySupport = true
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!capabilitySupport)
|
||||
{
|
||||
return nil, status.Errorf(codes.NotFound, "%v not supported", req.GetVolumeCapabilities())
|
||||
}
|
||||
|
||||
return &csi.ValidateVolumeCapabilitiesResponse{
|
||||
Confirmed: &csi.ValidateVolumeCapabilitiesResponse_Confirmed{
|
||||
VolumeCapabilities: req.VolumeCapabilities,
|
||||
},
|
||||
}, nil
|
||||
}
|
||||
|
||||
// ListVolumes returns a list of volumes
|
||||
func (cs *ControllerServer) ListVolumes(ctx context.Context, req *csi.ListVolumesRequest) (*csi.ListVolumesResponse, error)
|
||||
{
|
||||
return nil, status.Error(codes.Unimplemented, "")
|
||||
}
|
||||
|
||||
// GetCapacity returns the capacity of the storage pool
|
||||
func (cs *ControllerServer) GetCapacity(ctx context.Context, req *csi.GetCapacityRequest) (*csi.GetCapacityResponse, error)
|
||||
{
|
||||
return nil, status.Error(codes.Unimplemented, "")
|
||||
}
|
||||
|
||||
// ControllerGetCapabilities returns the capabilities of the controller service.
|
||||
func (cs *ControllerServer) ControllerGetCapabilities(ctx context.Context, req *csi.ControllerGetCapabilitiesRequest) (*csi.ControllerGetCapabilitiesResponse, error)
|
||||
{
|
||||
functionControllerServerCapabilities := func(cap csi.ControllerServiceCapability_RPC_Type) *csi.ControllerServiceCapability
|
||||
{
|
||||
return &csi.ControllerServiceCapability{
|
||||
Type: &csi.ControllerServiceCapability_Rpc{
|
||||
Rpc: &csi.ControllerServiceCapability_RPC{
|
||||
Type: cap,
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
var controllerServerCapabilities []*csi.ControllerServiceCapability
|
||||
for _, capability := range []csi.ControllerServiceCapability_RPC_Type{
|
||||
csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME,
|
||||
csi.ControllerServiceCapability_RPC_LIST_VOLUMES,
|
||||
csi.ControllerServiceCapability_RPC_EXPAND_VOLUME,
|
||||
csi.ControllerServiceCapability_RPC_CREATE_DELETE_SNAPSHOT,
|
||||
} {
|
||||
controllerServerCapabilities = append(controllerServerCapabilities, functionControllerServerCapabilities(capability))
|
||||
}
|
||||
|
||||
return &csi.ControllerGetCapabilitiesResponse{
|
||||
Capabilities: controllerServerCapabilities,
|
||||
}, nil
|
||||
}
|
||||
|
||||
// CreateSnapshot create snapshot of an existing PV
|
||||
func (cs *ControllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateSnapshotRequest) (*csi.CreateSnapshotResponse, error)
|
||||
{
|
||||
return nil, status.Error(codes.Unimplemented, "")
|
||||
}
|
||||
|
||||
// DeleteSnapshot delete provided snapshot of a PV
|
||||
func (cs *ControllerServer) DeleteSnapshot(ctx context.Context, req *csi.DeleteSnapshotRequest) (*csi.DeleteSnapshotResponse, error)
|
||||
{
|
||||
return nil, status.Error(codes.Unimplemented, "")
|
||||
}
|
||||
|
||||
// ListSnapshots list the snapshots of a PV
|
||||
func (cs *ControllerServer) ListSnapshots(ctx context.Context, req *csi.ListSnapshotsRequest) (*csi.ListSnapshotsResponse, error)
|
||||
{
|
||||
return nil, status.Error(codes.Unimplemented, "")
|
||||
}
|
||||
|
||||
// ControllerExpandVolume resizes a volume
|
||||
func (cs *ControllerServer) ControllerExpandVolume(ctx context.Context, req *csi.ControllerExpandVolumeRequest) (*csi.ControllerExpandVolumeResponse, error)
|
||||
{
|
||||
return nil, status.Error(codes.Unimplemented, "")
|
||||
}
|
||||
|
||||
// ControllerGetVolume get volume info
|
||||
func (cs *ControllerServer) ControllerGetVolume(ctx context.Context, req *csi.ControllerGetVolumeRequest) (*csi.ControllerGetVolumeResponse, error)
|
||||
{
|
||||
return nil, status.Error(codes.Unimplemented, "")
|
||||
}
|
||||
@ -0,0 +1,137 @@
|
||||
/*
|
||||
Copyright 2017 The Kubernetes Authors.
|
||||
|
||||
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.
|
||||
*/
|
||||
|
||||
package vitastor
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net"
|
||||
"os"
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"github.com/golang/glog"
|
||||
"golang.org/x/net/context"
|
||||
"google.golang.org/grpc"
|
||||
|
||||
"github.com/container-storage-interface/spec/lib/go/csi"
|
||||
"github.com/kubernetes-csi/csi-lib-utils/protosanitizer"
|
||||
)
|
||||
|
||||
// Defines Non blocking GRPC server interfaces
|
||||
type NonBlockingGRPCServer interface {
|
||||
// Start services at the endpoint
|
||||
Start(endpoint string, ids csi.IdentityServer, cs csi.ControllerServer, ns csi.NodeServer)
|
||||
// Waits for the service to stop
|
||||
Wait()
|
||||
// Stops the service gracefully
|
||||
Stop()
|
||||
// Stops the service forcefully
|
||||
ForceStop()
|
||||
}
|
||||
|
||||
func NewNonBlockingGRPCServer() NonBlockingGRPCServer {
|
||||
return &nonBlockingGRPCServer{}
|
||||
}
|
||||
|
||||
// NonBlocking server
|
||||
type nonBlockingGRPCServer struct {
|
||||
wg sync.WaitGroup
|
||||
server *grpc.Server
|
||||
}
|
||||
|
||||
func (s *nonBlockingGRPCServer) Start(endpoint string, ids csi.IdentityServer, cs csi.ControllerServer, ns csi.NodeServer) {
|
||||
|
||||
s.wg.Add(1)
|
||||
|
||||
go s.serve(endpoint, ids, cs, ns)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func (s *nonBlockingGRPCServer) Wait() {
|
||||
s.wg.Wait()
|
||||
}
|
||||
|
||||
func (s *nonBlockingGRPCServer) Stop() {
|
||||
s.server.GracefulStop()
|
||||
}
|
||||
|
||||
func (s *nonBlockingGRPCServer) ForceStop() {
|
||||
s.server.Stop()
|
||||
}
|
||||
|
||||
func (s *nonBlockingGRPCServer) serve(endpoint string, ids csi.IdentityServer, cs csi.ControllerServer, ns csi.NodeServer) {
|
||||
|
||||
proto, addr, err := ParseEndpoint(endpoint)
|
||||
if err != nil {
|
||||
glog.Fatal(err.Error())
|
||||
}
|
||||
|
||||
if proto == "unix" {
|
||||
addr = "/" + addr
|
||||
if err := os.Remove(addr); err != nil && !os.IsNotExist(err) {
|
||||
glog.Fatalf("Failed to remove %s, error: %s", addr, err.Error())
|
||||
}
|
||||
}
|
||||
|
||||
listener, err := net.Listen(proto, addr)
|
||||
if err != nil {
|
||||
glog.Fatalf("Failed to listen: %v", err)
|
||||
}
|
||||
|
||||
opts := []grpc.ServerOption{
|
||||
grpc.UnaryInterceptor(logGRPC),
|
||||
}
|
||||
server := grpc.NewServer(opts...)
|
||||
s.server = server
|
||||
|
||||
if ids != nil {
|
||||
csi.RegisterIdentityServer(server, ids)
|
||||
}
|
||||
if cs != nil {
|
||||
csi.RegisterControllerServer(server, cs)
|
||||
}
|
||||
if ns != nil {
|
||||
csi.RegisterNodeServer(server, ns)
|
||||
}
|
||||
|
||||
glog.Infof("Listening for connections on address: %#v", listener.Addr())
|
||||
|
||||
server.Serve(listener)
|
||||
}
|
||||
|
||||
func ParseEndpoint(ep string) (string, string, error) {
|
||||
if strings.HasPrefix(strings.ToLower(ep), "unix://") || strings.HasPrefix(strings.ToLower(ep), "tcp://") {
|
||||
s := strings.SplitN(ep, "://", 2)
|
||||
if s[1] != "" {
|
||||
return s[0], s[1], nil
|
||||
}
|
||||
}
|
||||
return "", "", fmt.Errorf("Invalid endpoint: %v", ep)
|
||||
}
|
||||
|
||||
func logGRPC(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
|
||||
glog.V(3).Infof("GRPC call: %s", info.FullMethod)
|
||||
glog.V(5).Infof("GRPC request: %s", protosanitizer.StripSecrets(req))
|
||||
resp, err := handler(ctx, req)
|
||||
if err != nil {
|
||||
glog.Errorf("GRPC error: %v", err)
|
||||
} else {
|
||||
glog.V(5).Infof("GRPC response: %s", protosanitizer.StripSecrets(resp))
|
||||
}
|
||||
return resp, err
|
||||
}
|
||||
@ -0,0 +1,60 @@
|
||||
// Copyright (c) Vitaliy Filippov, 2019+
|
||||
// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
|
||||
|
||||
package vitastor
|
||||
|
||||
import (
|
||||
"context"
|
||||
|
||||
"github.com/kubernetes-csi/csi-lib-utils/protosanitizer"
|
||||
"k8s.io/klog"
|
||||
|
||||
"github.com/container-storage-interface/spec/lib/go/csi"
|
||||
)
|
||||
|
||||
// IdentityServer struct of Vitastor CSI driver with supported methods of CSI identity server spec.
|
||||
type IdentityServer struct
|
||||
{
|
||||
*Driver
|
||||
}
|
||||
|
||||
// NewIdentityServer create new instance identity
|
||||
func NewIdentityServer(driver *Driver) *IdentityServer
|
||||
{
|
||||
return &IdentityServer{
|
||||
Driver: driver,
|
||||
}
|
||||
}
|
||||
|
||||
// GetPluginInfo returns metadata of the plugin
|
||||
func (is *IdentityServer) GetPluginInfo(ctx context.Context, req *csi.GetPluginInfoRequest) (*csi.GetPluginInfoResponse, error)
|
||||
{
|
||||
klog.Infof("received identity plugin info request %+v", protosanitizer.StripSecrets(req))
|
||||
return &csi.GetPluginInfoResponse{
|
||||
Name: vitastorCSIDriverName,
|
||||
VendorVersion: vitastorCSIDriverVersion,
|
||||
}, nil
|
||||
}
|
||||
|
||||
// GetPluginCapabilities returns available capabilities of the plugin
|
||||
func (is *IdentityServer) GetPluginCapabilities(ctx context.Context, req *csi.GetPluginCapabilitiesRequest) (*csi.GetPluginCapabilitiesResponse, error)
|
||||
{
|
||||
klog.Infof("received identity plugin capabilities request %+v", protosanitizer.StripSecrets(req))
|
||||
return &csi.GetPluginCapabilitiesResponse{
|
||||
Capabilities: []*csi.PluginCapability{
|
||||
{
|
||||
Type: &csi.PluginCapability_Service_{
|
||||
Service: &csi.PluginCapability_Service{
|
||||
Type: csi.PluginCapability_Service_CONTROLLER_SERVICE,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}, nil
|
||||
}
|
||||
|
||||
// Probe returns the health and readiness of the plugin
|
||||
func (is *IdentityServer) Probe(ctx context.Context, req *csi.ProbeRequest) (*csi.ProbeResponse, error)
|
||||
{
|
||||
return &csi.ProbeResponse{}, nil
|
||||
}
|
||||
@ -0,0 +1,279 @@
|
||||
// Copyright (c) Vitaliy Filippov, 2019+
|
||||
// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
|
||||
|
||||
package vitastor
|
||||
|
||||
import (
|
||||
"context"
|
||||
"os"
|
||||
"os/exec"
|
||||
"encoding/json"
|
||||
"strings"
|
||||
"bytes"
|
||||
|
||||
"google.golang.org/grpc/codes"
|
||||
"google.golang.org/grpc/status"
|
||||
"k8s.io/utils/mount"
|
||||
utilexec "k8s.io/utils/exec"
|
||||
|
||||
"github.com/container-storage-interface/spec/lib/go/csi"
|
||||
"github.com/kubernetes-csi/csi-lib-utils/protosanitizer"
|
||||
"k8s.io/klog"
|
||||
)
|
||||
|
||||
// NodeServer struct of Vitastor CSI driver with supported methods of CSI node server spec.
|
||||
type NodeServer struct
|
||||
{
|
||||
*Driver
|
||||
mounter mount.Interface
|
||||
}
|
||||
|
||||
// NewNodeServer create new instance node
|
||||
func NewNodeServer(driver *Driver) *NodeServer
|
||||
{
|
||||
return &NodeServer{
|
||||
Driver: driver,
|
||||
mounter: mount.New(""),
|
||||