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|
#
# Author:: Joshua Timberman (<joshua@chef.io>)
# Copyright:: Copyright 2008-2018, Chef Software Inc.
# License:: Apache License, Version 2.0
#
# 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.
#
require "spec_helper"
require "ostruct"
describe Chef::Provider::Mount::Mount do
before(:each) do
@node = Chef::Node.new
@events = Chef::EventDispatch::Dispatcher.new
@run_context = Chef::RunContext.new(@node, {}, @events)
@new_resource = Chef::Resource::Mount.new("/tmp/foo")
@new_resource.device "/dev/sdz1"
@new_resource.device_type :device
@new_resource.fstype "ext3"
@new_resource.supports remount: false
@provider = Chef::Provider::Mount::Mount.new(@new_resource, @run_context)
allow(::File).to receive(:exists?).with("/dev/sdz1").and_return true
allow(::File).to receive(:exists?).with("/tmp/foo").and_return true
allow(::File).to receive(:realpath).with("/dev/sdz1").and_return "/dev/sdz1"
allow(::File).to receive(:realpath).with("/tmp/foo").and_return "/tmp/foo"
end
describe "when discovering the current fs state" do
before do
allow(@provider).to receive(:shell_out_compacted!).and_return(OpenStruct.new(stdout: ""))
allow(::File).to receive(:exist?).with("/etc/fstab").and_return(true)
allow(::File).to receive(:foreach).with("/etc/fstab")
end
it "should create a current resource with the same mount point and device" do
@provider.load_current_resource
expect(@provider.current_resource.name).to eq("/tmp/foo")
expect(@provider.current_resource.mount_point).to eq("/tmp/foo")
expect(@provider.current_resource.device).to eq("/dev/sdz1")
end
it "should accept device_type :uuid", :not_supported_on_solaris do
@status = double(stdout: "/dev/sdz1\n", exitstatus: 1)
@new_resource.device_type :uuid
@new_resource.device "d21afe51-a0fe-4dc6-9152-ac733763ae0a"
@stdout_findfs = double("STDOUT", first: "/dev/sdz1")
expect(@provider).to receive(:shell_out_compacted).with("/sbin/findfs", "UUID=d21afe51-a0fe-4dc6-9152-ac733763ae0a").and_return(@status)
@provider.load_current_resource
@provider.mountable?
end
describe "when dealing with network mounts" do
{ "nfs" => "nfsserver:/vol/path",
"cifs" => "//cifsserver/share" }.each do |type, fs_spec|
it "should detect network fs_spec (#{type})" do
@new_resource.device fs_spec
expect(@provider.network_device?).to be_truthy
end
it "should ignore trailing slash and set mounted to true for network mount (#{type})" do
@new_resource.device fs_spec
allow(@provider).to receive(:shell_out!).and_return(OpenStruct.new(stdout: "#{fs_spec}/ on /tmp/foo type #{type} (rw)\n"))
@provider.load_current_resource
expect(@provider.current_resource.mounted).to be_truthy
end
end
end
it "should raise an error if the mount device does not exist" do
allow(::File).to receive(:exists?).with("/dev/sdz1").and_return false
expect { @provider.load_current_resource(); @provider.mountable? }.to raise_error(Chef::Exceptions::Mount)
end
it "should not call mountable? with load_current_resource - CHEF-1565" do
allow(::File).to receive(:exists?).with("/dev/sdz1").and_return false
expect(@provider).to receive(:mounted?).and_return(true)
expect(@provider).to receive(:enabled?).and_return(true)
expect(@provider).not_to receive(:mountable?)
@provider.load_current_resource
end
it "should raise an error if the mount device (uuid) does not exist", :not_supported_on_solaris do
status = double(stdout: "", exitstatus: 1)
@new_resource.device_type :uuid
@new_resource.device "d21afe51-a0fe-4dc6-9152-ac733763ae0a"
expect(@provider).to receive(:shell_out_compacted).with("/sbin/findfs", "UUID=d21afe51-a0fe-4dc6-9152-ac733763ae0a").and_return(status)
expect(::File).to receive(:exists?).with("").and_return(false)
expect { @provider.load_current_resource(); @provider.mountable? }.to raise_error(Chef::Exceptions::Mount)
end
it "should raise an error if the mount point does not exist" do
allow(::File).to receive(:exists?).with("/tmp/foo").and_return false
expect { @provider.load_current_resource(); @provider.mountable? }.to raise_error(Chef::Exceptions::Mount)
end
%w{tmpfs fuse cgroup vboxsf zfs}.each do |fstype|
it "does not expect the device to exist for #{fstype}" do
@new_resource.fstype(fstype)
@new_resource.device("whatever")
expect { @provider.load_current_resource(); @provider.mountable? }.not_to raise_error
end
end
it "does not expect the device to exist if it's none" do
@new_resource.device("none")
expect { @provider.load_current_resource(); @provider.mountable? }.not_to raise_error
end
it "should set mounted true if the mount point is found in the mounts list" do
allow(@provider).to receive(:shell_out!).and_return(OpenStruct.new(stdout: "/dev/sdz1 on /tmp/foo type ext3 (rw)\n"))
@provider.load_current_resource()
expect(@provider.current_resource.mounted).to be_truthy
end
it "should set mounted false if another mount point beginning with the same path is found in the mounts list" do
allow(@provider).to receive(:shell_out!).and_return(OpenStruct.new(stdout: "/dev/sdz1 on /tmp/foobar type ext3 (rw)\n"))
@provider.load_current_resource()
expect(@provider.current_resource.mounted).to be_falsey
end
it "should set mounted true if the symlink target of the device is found in the mounts list" do
# expand the target path to correct specs on Windows
target = ::File.expand_path("/dev/mapper/target")
allow(::File).to receive(:symlink?).with((@new_resource.device).to_s).and_return(true)
allow(::File).to receive(:readlink).with((@new_resource.device).to_s).and_return(target)
allow(@provider).to receive(:shell_out!).and_return(OpenStruct.new(stdout: "#{target} on /tmp/foo type ext3 (rw)\n"))
@provider.load_current_resource()
expect(@provider.current_resource.mounted).to be_truthy
end
it "should set mounted true if the symlink target of the device is relative and is found in the mounts list - CHEF-4957" do
target = "xsdz1"
# expand the target path to correct specs on Windows
absolute_target = ::File.expand_path("/dev/xsdz1")
allow(::File).to receive(:symlink?).with((@new_resource.device).to_s).and_return(true)
allow(::File).to receive(:readlink).with((@new_resource.device).to_s).and_return(target)
allow(@provider).to receive(:shell_out!).and_return(OpenStruct.new(stdout: "#{absolute_target} on /tmp/foo type ext3 (rw)\n"))
@provider.load_current_resource()
expect(@provider.current_resource.mounted).to be_truthy
end
it "should set mounted true if the mount point is found last in the mounts list" do
mount = "/dev/sdy1 on #{@new_resource.mount_point} type ext3 (rw)\n"
mount << "#{@new_resource.device} on #{@new_resource.mount_point} type ext3 (rw)\n"
allow(@provider).to receive(:shell_out!).and_return(OpenStruct.new(stdout: mount))
@provider.load_current_resource()
expect(@provider.current_resource.mounted).to be_truthy
end
it "should set mounted false if the mount point is not last in the mounts list" do
mount = "#{@new_resource.device} on #{@new_resource.mount_point} type ext3 (rw)\n"
mount << "/dev/sdy1 on #{@new_resource.mount_point} type ext3 (rw)\n"
allow(@provider).to receive(:shell_out!).and_return(OpenStruct.new(stdout: mount))
@provider.load_current_resource()
expect(@provider.current_resource.mounted).to be_falsey
end
it "mounted should be false if the mount point is not found in the mounts list" do
allow(@provider).to receive(:shell_out!).and_return(OpenStruct.new(stdout: "/dev/sdy1 on /tmp/foo type ext3 (rw)\n"))
@provider.load_current_resource()
expect(@provider.current_resource.mounted).to be_falsey
end
it "should set enabled to true if the mount point is last in fstab" do
fstab1 = "/dev/sdy1 /tmp/foo ext3 defaults 1 2\n"
fstab2 = "#{@new_resource.device} #{@new_resource.mount_point} ext3 defaults 1 2\n"
allow(::File).to receive(:foreach).with("/etc/fstab").and_yield(fstab1).and_yield(fstab2)
@provider.load_current_resource
expect(@provider.current_resource.enabled).to be_truthy
end
it "should set enabled to true if the mount point is not last in fstab and mount_point is a substring of another mount" do
fstab1 = "#{@new_resource.device} #{@new_resource.mount_point} ext3 defaults 1 2\n"
fstab2 = "/dev/sdy1 /tmp/foo/bar ext3 defaults 1 2\n"
allow(::File).to receive(:foreach).with("/etc/fstab").and_yield(fstab1).and_yield(fstab2)
@provider.load_current_resource
expect(@provider.current_resource.enabled).to be_truthy
end
it "should set enabled to true if the symlink target is in fstab" do
target = "/dev/mapper/target"
allow(::File).to receive(:symlink?).with((@new_resource.device).to_s).and_return(true)
allow(::File).to receive(:readlink).with((@new_resource.device).to_s).and_return(target)
fstab = "/dev/sdz1 /tmp/foo ext3 defaults 1 2\n"
allow(::File).to receive(:foreach).with("/etc/fstab").and_yield fstab
@provider.load_current_resource
expect(@provider.current_resource.enabled).to be_truthy
end
it "should set enabled to true if the symlink target is relative and is in fstab - CHEF-4957" do
target = "xsdz1"
allow(::File).to receive(:symlink?).with((@new_resource.device).to_s).and_return(true)
allow(::File).to receive(:readlink).with((@new_resource.device).to_s).and_return(target)
fstab = "/dev/sdz1 /tmp/foo ext3 defaults 1 2\n"
allow(::File).to receive(:foreach).with("/etc/fstab").and_yield fstab
@provider.load_current_resource
expect(@provider.current_resource.enabled).to be_truthy
end
it "should set enabled to false if the mount point is not in fstab" do
fstab = "/dev/sdy1 #{@new_resource.mount_point} ext3 defaults 1 2\n"
allow(::File).to receive(:foreach).with("/etc/fstab").and_yield fstab
@provider.load_current_resource
expect(@provider.current_resource.enabled).to be_falsey
end
it "should ignore commented lines in fstab " do
fstab = "\# #{@new_resource.device} #{@new_resource.mount_point} ext3 defaults 1 2\n"
allow(::File).to receive(:foreach).with("/etc/fstab").and_yield fstab
@provider.load_current_resource
expect(@provider.current_resource.enabled).to be_falsey
end
it "should set enabled to false if the mount point is not last in fstab" do
line_1 = "#{@new_resource.device} #{@new_resource.mount_point} ext3 defaults 1 2\n"
line_2 = "/dev/sdy1 #{@new_resource.mount_point} ext3 defaults 1 2\n"
allow(::File).to receive(:foreach).with("/etc/fstab").and_yield(line_1).and_yield(line_2)
@provider.load_current_resource
expect(@provider.current_resource.enabled).to be_falsey
end
it "should not mangle the mount options if the device in fstab is a symlink" do
# expand the target path to correct specs on Windows
target = "/dev/mapper/target"
options = "rw,noexec,noauto"
allow(::File).to receive(:symlink?).with(@new_resource.device).and_return(true)
allow(::File).to receive(:readlink).with(@new_resource.device).and_return(target)
fstab = "#{@new_resource.device} #{@new_resource.mount_point} #{@new_resource.fstype} #{options} 1 2\n"
allow(::File).to receive(:foreach).with("/etc/fstab").and_yield fstab
@provider.load_current_resource
expect(@provider.current_resource.options).to eq(options.split(","))
end
it "should not mangle the mount options if the symlink target is in fstab" do
target = ::File.expand_path("/dev/mapper/target")
options = "rw,noexec,noauto"
allow(::File).to receive(:symlink?).with(@new_resource.device).and_return(true)
allow(::File).to receive(:readlink).with(@new_resource.device).and_return(target)
fstab = "#{target} #{@new_resource.mount_point} #{@new_resource.fstype} #{options} 1 2\n"
allow(::File).to receive(:foreach).with("/etc/fstab").and_yield fstab
@provider.load_current_resource
expect(@provider.current_resource.options).to eq(options.split(","))
end
end
context "after the mount's state has been discovered" do
before do
@current_resource = Chef::Resource::Mount.new("/tmp/foo")
@current_resource.device "/dev/sdz1"
@current_resource.device_type :device
@current_resource.fstype "ext3"
@provider.current_resource = @current_resource
end
describe "mount_fs" do
it "should mount the filesystem if it is not mounted" do
expect(@provider).to receive(:shell_out_compacted!).with("mount", "-t", "ext3", "-o", "defaults", "/dev/sdz1", "/tmp/foo")
@provider.mount_fs()
end
it "should mount the filesystem with options if options were passed" do
options = "rw,noexec,noauto"
@new_resource.options(%w{rw noexec noauto})
expect(@provider).to receive(:shell_out_compacted!).with("mount", "-t", "ext3", "-o", "rw,noexec,noauto", "/dev/sdz1", "/tmp/foo")
@provider.mount_fs()
end
it "should mount the filesystem specified by uuid", :not_supported_on_solaris do
status = double(stdout: "/dev/sdz1\n", exitstatus: 1)
@new_resource.device "d21afe51-a0fe-4dc6-9152-ac733763ae0a"
@new_resource.device_type :uuid
allow(@provider).to receive(:shell_out_compacted).with("/sbin/findfs", "UUID=d21afe51-a0fe-4dc6-9152-ac733763ae0a").and_return(status)
@stdout_mock = double("stdout mock")
allow(@stdout_mock).to receive(:each).and_yield("#{@new_resource.device} on #{@new_resource.mount_point}")
expect(@provider).to receive(:shell_out_compacted!).with("mount", "-t", @new_resource.fstype, "-o", "defaults", "-U", @new_resource.device, @new_resource.mount_point).and_return(@stdout_mock)
@provider.mount_fs()
end
it "should not mount the filesystem if it is mounted" do
allow(@current_resource).to receive(:mounted).and_return(true)
expect(@provider).not_to receive(:shell_out!)
@provider.mount_fs()
end
end
describe "umount_fs" do
it "should umount the filesystem if it is mounted" do
@current_resource.mounted(true)
expect(@provider).to receive(:shell_out!).with("umount", "/tmp/foo")
@provider.umount_fs()
end
it "should not umount the filesystem if it is not mounted" do
@current_resource.mounted(false)
expect(@provider).not_to receive(:shell_out!)
@provider.umount_fs()
end
end
describe "remount_fs" do
it "should use mount -o remount if remount is supported" do
@new_resource.supports({ remount: true })
@current_resource.mounted(true)
expect(@provider).to receive(:shell_out_compacted!).with("mount", "-o", "remount,defaults", @new_resource.mount_point)
@provider.remount_fs
end
it "should use mount -o remount with new mount options if remount is supported" do
@new_resource.supports({ remount: true })
options = "rw,noexec,noauto"
@new_resource.options(%w{rw noexec noauto})
@current_resource.mounted(true)
expect(@provider).to receive(:shell_out_compacted!).with("mount", "-o", "remount,rw,noexec,noauto", @new_resource.mount_point)
@provider.remount_fs
end
it "should umount and mount if remount is not supported" do
@new_resource.supports({ remount: false })
@current_resource.mounted(true)
expect(@provider).to receive(:umount_fs)
expect(@provider).to receive(:sleep).with(1)
expect(@provider).to receive(:mount_fs)
@provider.remount_fs()
end
it "should not try to remount at all if mounted is false" do
@current_resource.mounted(false)
expect(@provider).not_to receive(:shell_out!)
expect(@provider).not_to receive(:umount_fs)
expect(@provider).not_to receive(:mount_fs)
@provider.remount_fs()
end
end
describe "default_mount_options" do
it "should return the correct default mount options for Linux" do
@provider.node.override[:os] = "linux"
expect(@provider.default_mount_options).to eq("defaults")
end
it "should return the correct default mount options for AIX" do
@provider.node.override[:os] = "aix"
expect(@provider.default_mount_options).to eq("rw")
end
it "should return the correct default mount options for Darwin" do
@provider.node.override[:os] = "darwin"
expect(@provider.default_mount_options).to eq("rw")
end
it "should return the correct default mount options for FreeBSD" do
@provider.node.override[:os] = "freebsd"
expect(@provider.default_mount_options).to eq("rw")
end
end
describe "when enabling the fs" do
it "should enable if enabled isn't true" do
@current_resource.enabled(false)
@fstab = StringIO.new
allow(::File).to receive(:open).with("/etc/fstab", "a").and_yield(@fstab)
@provider.enable_fs
expect(@fstab.string).to match(%r{^/dev/sdz1\s+/tmp/foo\s+ext3\s+defaults\s+0\s+2\s*$})
end
it "should not enable if enabled is true and resources match" do
@current_resource.enabled(true)
@current_resource.fstype("ext3")
@current_resource.options(["defaults"])
@current_resource.dump(0)
@current_resource.pass(2)
expect(::File).not_to receive(:open).with("/etc/fstab", "a")
@provider.enable_fs
end
it "should enable if enabled is true and resources do not match" do
@current_resource.enabled(true)
@current_resource.fstype("auto")
@current_resource.options(["defaults"])
@current_resource.dump(0)
@current_resource.pass(2)
@fstab = StringIO.new
allow(::File).to receive(:readlines).and_return([])
expect(::File).to receive(:open).once.with("/etc/fstab", "w").and_yield(@fstab)
expect(::File).to receive(:open).once.with("/etc/fstab", "a").and_yield(@fstab)
@provider.enable_fs
end
end
describe "when disabling the fs" do
it "should disable if enabled is true" do
@current_resource.enabled(true)
other_mount = "/dev/sdy1 /tmp/foo ext3 defaults 1 2\n"
this_mount = "/dev/sdz1 /tmp/foo ext3 defaults 1 2\n"
@fstab_read = [this_mount, other_mount]
allow(::File).to receive(:readlines).with("/etc/fstab").and_return(@fstab_read)
@fstab_write = StringIO.new
allow(::File).to receive(:open).with("/etc/fstab", "w").and_yield(@fstab_write)
@provider.disable_fs
expect(@fstab_write.string).to match(Regexp.escape(other_mount))
expect(@fstab_write.string).not_to match(Regexp.escape(this_mount))
end
it "should disable if enabled is true and ignore commented lines" do
@current_resource.enabled(true)
fstab_read = [%q{/dev/sdy1 /tmp/foo ext3 defaults 1 2},
%q{/dev/sdz1 /tmp/foo ext3 defaults 1 2},
%q{#/dev/sdz1 /tmp/foo ext3 defaults 1 2}]
fstab_write = StringIO.new
allow(::File).to receive(:readlines).with("/etc/fstab").and_return(fstab_read)
allow(::File).to receive(:open).with("/etc/fstab", "w").and_yield(fstab_write)
@provider.disable_fs
expect(fstab_write.string).to match(%r{^/dev/sdy1 /tmp/foo ext3 defaults 1 2$})
expect(fstab_write.string).to match(%r{^#/dev/sdz1 /tmp/foo ext3 defaults 1 2$})
expect(fstab_write.string).not_to match(%r{^/dev/sdz1 /tmp/foo ext3 defaults 1 2$})
end
it "should disable only the last entry if enabled is true" do
allow(@current_resource).to receive(:enabled).and_return(true)
fstab_read = ["/dev/sdz1 /tmp/foo ext3 defaults 1 2\n",
"/dev/sdy1 /tmp/foo ext3 defaults 1 2\n",
"/dev/sdz1 /tmp/foo ext3 defaults 1 2\n",
"/dev/sdz1 /tmp/foobar ext3 defaults 1 2\n"]
fstab_write = StringIO.new
allow(::File).to receive(:readlines).with("/etc/fstab").and_return(fstab_read)
allow(::File).to receive(:open).with("/etc/fstab", "w").and_yield(fstab_write)
@provider.disable_fs
expect(fstab_write.string).to eq("/dev/sdz1 /tmp/foo ext3 defaults 1 2\n" +
"/dev/sdy1 /tmp/foo ext3 defaults 1 2\n" +
"/dev/sdz1 /tmp/foobar ext3 defaults 1 2\n")
end
it "should not disable if enabled is false" do
allow(@current_resource).to receive(:enabled).and_return(false)
allow(::File).to receive(:readlines).with("/etc/fstab").and_return([])
expect(::File).not_to receive(:open).and_yield(@fstab)
@provider.disable_fs
end
end
# the fstab might contain the mount with the device as a device but the resource has a label.
# we should not create two mount lines, but update the existing one
# not supported on solaris because it can't cope with a UUID device type
context "when the device is described differently", :not_supported_on_solaris do
it "should update the existing line" do
@current_resource.enabled(true)
status = double(stdout: "/dev/sdz1\n", exitstatus: 1)
expect(@provider).to receive(:shell_out_compacted).with("/sbin/findfs", "UUID=d21afe51-a0fe-4dc6-9152-ac733763ae0a").and_return(status)
filesystems = [%q{/dev/sdy1 /tmp/foo ext3 defaults 1 2},
%q{/dev/sdz1 /tmp/foo ext3 defaults 1 2}].join("\n")
fstab = StringIO.new filesystems
fstab_write = StringIO.new
allow(::File).to receive(:readlines).with("/etc/fstab").and_return(fstab.readlines)
allow(::File).to receive(:open).with("/etc/fstab", "w").and_yield(fstab_write)
allow(::File).to receive(:open).with("/etc/fstab", "a").and_yield(fstab_write)
@new_resource.device_type :uuid
@new_resource.device "d21afe51-a0fe-4dc6-9152-ac733763ae0a"
@new_resource.dump 1
@provider.enable_fs
expect(fstab_write.string).to match(%r{/dev/sdy1\s+/tmp/foo\s+ext3\s+defaults\s+1\s+2})
expect(fstab_write.string).to match(%r{UUID=d21afe51-a0fe-4dc6-9152-ac733763ae0a\s+/tmp/foo\s+ext3\s+defaults\s+1\s+2})
expect(fstab_write.string).not_to match(%r{/dev/sdz1\s+/tmp/foo\s+ext3\s+defaults\s+1\s+2})
end
end
end
end
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