Merge lp:~stevenwilkin/snapweb/add-remove-snaps-via-api into lp:~snappy-dev/snapweb/trunk

[Steven Wilkin]

Add and remove snaps via the snapd API

Add and remove snaps via the snapd API.

Includes a workaround to keep track of which snaps are being added/removed which will be excised when progress of background operations can be communicated via the API.

[Martin Albisetti (beuno)]

review: Approve

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update github.com/davecheney/mdns failed; trying to fetch newer version
github.com/davecheney/mdns now at de174d86a3d3e87bfad9cb66cedd0433380b67b0
update github.com/mvo5/uboot-go failed; trying to fetch newer version
github.com/mvo5/uboot-go now at 69978a3e4b05cca9d7cfee489b3453dfed45e72c
update github.com/gosexy/gettext failed; trying to fetch newer version
github.com/gosexy/gettext now at 98b7b91596d20b96909e6b60d57411547dd9959c
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
github.com/ubuntu-core/snappy now at 5bcb20229bb884b85144eab0fe5db7aa05a27ebf
update golang.org/x/crypto failed; trying to fetch newer version
golang.org/x/crypto now at 60052bd85f2d91293457e8811b0cf26b773de469
update gopkg.in/check.v1 failed; trying to fetch newer version
gopkg.in/check.v1 now at 64131543e7896d5bcc6bd5a76287eb75ea96c673
update github.com/davecheney/gmx failed; trying to fetch newer version
github.com/davecheney/gmx now at d765420e7fbaccecb2a38cf2a02701fe3e0888a3
update github.com/gorilla/context failed; trying to fetch newer version
github.com/gorilla/context now at 50c25fb3b2b3b3cc724e9b6ac75fb44b3bccd0da
update github.com/gorilla/mux failed; trying to fetch newer version
github.com/gorilla/mux now at e444e69cbd2e2e3e0749a2f3c717cec491552bbf
update github.com/miekg/dns failed; trying to fetch newer version
github.com/miekg/dns now at 5a357a6fc5e85268b929350aa6423e2d56dcc4ff
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
github.com/mvo5/goconfigparser now at 26426272dda20cc76aa1fa44286dc743d2972fe8
update gopkg.in/yaml.v2 failed; trying to fetch newer version
gopkg.in/yaml.v2 now at 49c95bdc21843256fb6c4e0d370a05f24a0bf213
update github.com/cheggaaa/pb failed; trying to fetch newer version
github.com/cheggaaa/pb now at e8c7cc515bfde3e267957a3b110080ceed51354e
Building

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d)
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webdm
cp -a . $GOPATH/src/launchpad.net/webdm/
cd $GOPATH/src/launchpad.net/webdm

./run-checks
github.com/davecheney/gmx
github.com/miekg/dns
github.com/gorilla/context
github.com/gorilla/mux
github.com/ubuntu-core/snappy/dirs
github.com/ubuntu-core/snappy/logger
github.com/ubuntu-core/snappy/helpers
github.com/davecheney/mdns
launchpad.net/webdm/avahi
golang.org/x/crypto/cast5
golang.org/x/crypto/openpgp/elgamal
golang.org/x/crypto/openpgp/errors
golang.org/x/crypto/openpgp/s2k
gopkg.in/yaml.v2
golang.org/x/crypto/openpgp/packet
github.com/ubuntu-core/snappy/asserts
github.com/ubuntu-core/snappy/snap
github.com/ubuntu-core/snappy/arch
github.com/ubuntu-core/snappy/systemd
github.com/ubuntu-core/snappy/client
github.com/ubuntu-core/snappy/coreconfig
github.com/gosexy/gettext
github.com/ubuntu-core/snappy/oauth
github.com/mvo5/goconfigparser
github.com/mvo5/uboot-go/uenv
github.com/ubuntu-core/snappy/partition
github.com/ubuntu-core/snap...

[Steven Wilkin (stevenwilkin)]

retest this please

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update golang.org/x/crypto failed; trying to fetch newer version
golang.org/x/crypto now at 60052bd85f2d91293457e8811b0cf26b773de469
update github.com/gorilla/mux failed; trying to fetch newer version
github.com/gorilla/mux now at e444e69cbd2e2e3e0749a2f3c717cec491552bbf
update gopkg.in/check.v1 failed; trying to fetch newer version
gopkg.in/check.v1 now at 64131543e7896d5bcc6bd5a76287eb75ea96c673
update gopkg.in/yaml.v2 failed; trying to fetch newer version
gopkg.in/yaml.v2 now at 49c95bdc21843256fb6c4e0d370a05f24a0bf213
update github.com/cheggaaa/pb failed; trying to fetch newer version
github.com/cheggaaa/pb now at e8c7cc515bfde3e267957a3b110080ceed51354e
update github.com/davecheney/mdns failed; trying to fetch newer version
github.com/davecheney/mdns now at de174d86a3d3e87bfad9cb66cedd0433380b67b0
update github.com/gorilla/context failed; trying to fetch newer version
github.com/gorilla/context now at 50c25fb3b2b3b3cc724e9b6ac75fb44b3bccd0da
update github.com/davecheney/gmx failed; trying to fetch newer version
github.com/davecheney/gmx now at d765420e7fbaccecb2a38cf2a02701fe3e0888a3
update github.com/miekg/dns failed; trying to fetch newer version
github.com/miekg/dns now at 5a357a6fc5e85268b929350aa6423e2d56dcc4ff
update github.com/mvo5/uboot-go failed; trying to fetch newer version
github.com/mvo5/uboot-go now at 69978a3e4b05cca9d7cfee489b3453dfed45e72c
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
github.com/mvo5/goconfigparser now at 26426272dda20cc76aa1fa44286dc743d2972fe8
update github.com/gosexy/gettext failed; trying to fetch newer version
github.com/gosexy/gettext now at 98b7b91596d20b96909e6b60d57411547dd9959c
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
github.com/ubuntu-core/snappy now at 5bcb20229bb884b85144eab0fe5db7aa05a27ebf
Building
Running tests from /tmp/tmp.AGdfepCKxx/src/launchpad.net/webdm
=== RUN Test
OK: 4 passed
--- PASS: Test (0.01s)
PASS
coverage: 60.0% of statements
ok launchpad.net/webdm/avahi 0.030s coverage: 60.0% of statements
? launchpad.net/webdm/cmd/snappyd [no test files]
=== RUN Test
WARNING: cannot create /tmp/check-3551783473842660955/1/badDataPath/icons
OK: 17 passed
--- PASS: Test (0.01s)
PASS
coverage: 46.8% of statements
ok launchpad.net/webdm/snappy 0.019s coverage: 46.8% of statements
=== RUN Test

----------------------------------------------------------------------
FAIL: statustracker_test.go:96: StatusTrackerSuite.TestTrackInstallExpiry

statustracker_test.go:105:
    c.Assert(s.t.Status(snap), Equals, StatusUninstalled)
... obtained string = "installing"
... expected string = "uninstalled"

OOPS: 7 passed, 1 FAILED
--- FAIL: Test (0.51s)
FAIL
coverage: 100.0% of statements
FAIL launchpad.net/webdm/statustracker 0.517s

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d)
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/we...

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update gopkg.in/check.v1 failed; trying to fetch newer version
gopkg.in/check.v1 now at 64131543e7896d5bcc6bd5a76287eb75ea96c673
update github.com/gorilla/context failed; trying to fetch newer version
github.com/gorilla/context now at 50c25fb3b2b3b3cc724e9b6ac75fb44b3bccd0da
update golang.org/x/crypto failed; trying to fetch newer version
golang.org/x/crypto now at 60052bd85f2d91293457e8811b0cf26b773de469
update gopkg.in/yaml.v2 failed; trying to fetch newer version
gopkg.in/yaml.v2 now at 49c95bdc21843256fb6c4e0d370a05f24a0bf213
update github.com/cheggaaa/pb failed; trying to fetch newer version
github.com/cheggaaa/pb now at e8c7cc515bfde3e267957a3b110080ceed51354e
update github.com/davecheney/gmx failed; trying to fetch newer version
github.com/davecheney/gmx now at d765420e7fbaccecb2a38cf2a02701fe3e0888a3
update github.com/davecheney/mdns failed; trying to fetch newer version
github.com/davecheney/mdns now at de174d86a3d3e87bfad9cb66cedd0433380b67b0
update github.com/gorilla/mux failed; trying to fetch newer version
github.com/gorilla/mux now at e444e69cbd2e2e3e0749a2f3c717cec491552bbf
update github.com/gosexy/gettext failed; trying to fetch newer version
github.com/gosexy/gettext now at 98b7b91596d20b96909e6b60d57411547dd9959c
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
github.com/ubuntu-core/snappy now at 5bcb20229bb884b85144eab0fe5db7aa05a27ebf
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
github.com/mvo5/goconfigparser now at 26426272dda20cc76aa1fa44286dc743d2972fe8
update github.com/miekg/dns failed; trying to fetch newer version
github.com/miekg/dns now at 5a357a6fc5e85268b929350aa6423e2d56dcc4ff
update github.com/mvo5/uboot-go failed; trying to fetch newer version
github.com/mvo5/uboot-go now at 69978a3e4b05cca9d7cfee489b3453dfed45e72c
Building
Running tests from /tmp/tmp.QdyEV1gFim/src/launchpad.net/webdm
=== RUN Test
OK: 4 passed
--- PASS: Test (0.01s)
PASS
coverage: 60.0% of statements
ok launchpad.net/webdm/avahi 0.023s coverage: 60.0% of statements
? launchpad.net/webdm/cmd/snappyd [no test files]
=== RUN Test
WARNING: cannot create /tmp/check-38914096932556278/1/badDataPath/icons
OK: 17 passed
--- PASS: Test (0.01s)
PASS
coverage: 46.8% of statements
ok launchpad.net/webdm/snappy 0.022s coverage: 46.8% of statements
=== RUN Test

----------------------------------------------------------------------
FAIL: statustracker_test.go:96: StatusTrackerSuite.TestTrackInstallExpiry

statustracker_test.go:105:
    c.Assert(s.t.Status(snap), Equals, StatusUninstalled)
... obtained string = "installing"
... expected string = "uninstalled"

OOPS: 7 passed, 1 FAILED
--- FAIL: Test (0.51s)
FAIL
coverage: 100.0% of statements
FAIL launchpad.net/webdm/statustracker 0.518s

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d)
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webd...

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update github.com/gorilla/mux failed; trying to fetch newer version
github.com/gorilla/mux now at e444e69cbd2e2e3e0749a2f3c717cec491552bbf
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
update github.com/davecheney/gmx failed; trying to fetch newer version
update github.com/davecheney/mdns failed; trying to fetch newer version
update github.com/gorilla/context failed; trying to fetch newer version
update github.com/gosexy/gettext failed; trying to fetch newer version
update github.com/mvo5/uboot-go failed; trying to fetch newer version
update gopkg.in/check.v1 failed; trying to fetch newer version
update golang.org/x/crypto failed; trying to fetch newer version
update github.com/cheggaaa/pb failed; trying to fetch newer version
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
update github.com/miekg/dns failed; trying to fetch newer version
update gopkg.in/yaml.v2 failed; trying to fetch newer version
1 repositories updated; 12 failed

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d)
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webdm
cp -a . $GOPATH/src/launchpad.net/webdm/
cd $GOPATH/src/launchpad.net/webdm

./run-checks
godeps: cannot update "/tmp/tmp.3NhTSnXJMS/src/github.com/ubuntu-core/snappy": cannot create repo: Cloning into '/tmp/tmp.3NhTSnXJMS/src/github.com/ubuntu-core/snappy'...
error: unable to create file interfaces/builtin/system_observe_test.go (No space left on device)
error: unable to create file interfaces/builtin/timeserver_control.go (No space left on device)
error: unable to create file interfaces/builtin/timeserver_control_test.go (No space left on device)
error: unable to create file interfaces/builtin/timezone_control.go (No space left on device)
error: unable to create file interfaces/builtin/timezone_control_test.go (No space left on device)
error: unable to create file interfaces/builtin/unity7.go (No space left on device)
error: unable to create file interfaces/builtin/unity7_test.go (No space left on device)
error: unable to create file interfaces/builtin/x11.go (No space left on device)
error: unable to create file interfaces/builtin/x11_test.go (No space left on device)
error: unable to create file interfaces/core.go (No space left on device)
error: unable to create file interfaces/core_test.go (No space left on device)
fatal: cannot create directory at 'interfaces/dbus': No space left on device
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry the checkout with 'git checkout -f HEAD'
godeps: cannot update "/tmp/tmp.3NhTSnXJMS/src/github.com/davecheney/gmx": cannot create repo: fatal: could not create work tree dir '/tmp/tmp.3NhTSnXJMS/src/github.com/davecheney/gmx'.: No space left on device
godeps: cannot update "/tmp/tmp.3NhTSnXJMS/src/github.com/davecheney/mdns": cannot create repo: fatal: co...

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update github.com/gosexy/gettext failed; trying to fetch newer version
github.com/gosexy/gettext now at 98b7b91596d20b96909e6b60d57411547dd9959c
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
update github.com/miekg/dns failed; trying to fetch newer version
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
update github.com/mvo5/uboot-go failed; trying to fetch newer version
update golang.org/x/crypto failed; trying to fetch newer version
update gopkg.in/check.v1 failed; trying to fetch newer version
update github.com/cheggaaa/pb failed; trying to fetch newer version
update github.com/davecheney/gmx failed; trying to fetch newer version
update github.com/davecheney/mdns failed; trying to fetch newer version
update github.com/gorilla/context failed; trying to fetch newer version
update gopkg.in/yaml.v2 failed; trying to fetch newer version
update github.com/gorilla/mux failed; trying to fetch newer version
1 repositories updated; 12 failed

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d)
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webdm
cp -a . $GOPATH/src/launchpad.net/webdm/
cd $GOPATH/src/launchpad.net/webdm

./run-checks
godeps: cannot update "/tmp/tmp.AGTotcVxgl/src/github.com/ubuntu-core/snappy": cannot create repo: Cloning into '/tmp/tmp.AGTotcVxgl/src/github.com/ubuntu-core/snappy'...
error: unable to create file integration-tests/data/snaps/basic-binaries/bin/success (No space left on device)
fatal: cannot create directory at 'integration-tests/data/snaps/basic-binaries/meta': No space left on device
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry the checkout with 'git checkout -f HEAD'
godeps: cannot update "/tmp/tmp.AGTotcVxgl/src/github.com/miekg/dns": cannot create repo: fatal: could not create work tree dir '/tmp/tmp.AGTotcVxgl/src/github.com/miekg/dns'.: No space left on device
godeps: cannot update "/tmp/tmp.AGTotcVxgl/src/github.com/mvo5/goconfigparser": cannot create repo: mkdir /tmp/tmp.AGTotcVxgl/src/github.com/mvo5/: no space left on device
godeps: cannot update "/tmp/tmp.AGTotcVxgl/src/github.com/mvo5/uboot-go": cannot create repo: mkdir /tmp/tmp.AGTotcVxgl/src/github.com/mvo5/: no space left on device
godeps: cannot update "/tmp/tmp.AGTotcVxgl/src/golang.org/x/crypto": cannot create repo: fatal: could not create work tree dir '/tmp/tmp.AGTotcVxgl/src/golang.org/x/crypto'.: No space left on device
godeps: cannot update "/tmp/tmp.AGTotcVxgl/src/gopkg.in/check.v1": cannot create repo: mkdir /tmp/tmp.AGTotcVxgl/src/gopkg.in/: no space left on device
godeps: cannot update "/tmp/tmp.AGTotcVxgl/src/github.com/cheggaaa/pb": cannot create repo: mkdir /tmp/tmp.AGTotcVxgl/src/github.com/cheggaaa/: no space left on device
godeps: cannot update "/tmp/tmp.AGTotcVxgl/src/github.com/davecheney/gmx": cannot create re...

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update golang.org/x/crypto failed; trying to fetch newer version
golang.org/x/crypto now at 60052bd85f2d91293457e8811b0cf26b773de469
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
github.com/mvo5/goconfigparser now at 26426272dda20cc76aa1fa44286dc743d2972fe8
update gopkg.in/yaml.v2 failed; trying to fetch newer version
gopkg.in/yaml.v2 now at 49c95bdc21843256fb6c4e0d370a05f24a0bf213
update github.com/davecheney/gmx failed; trying to fetch newer version
github.com/davecheney/gmx now at d765420e7fbaccecb2a38cf2a02701fe3e0888a3
update github.com/davecheney/mdns failed; trying to fetch newer version
update github.com/gosexy/gettext failed; trying to fetch newer version
update github.com/miekg/dns failed; trying to fetch newer version
update github.com/cheggaaa/pb failed; trying to fetch newer version
update github.com/mvo5/uboot-go failed; trying to fetch newer version
update gopkg.in/check.v1 failed; trying to fetch newer version
update github.com/gorilla/mux failed; trying to fetch newer version
update github.com/gorilla/context failed; trying to fetch newer version
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
4 repositories updated; 9 failed

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d)
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webdm
cp -a . $GOPATH/src/launchpad.net/webdm/
cd $GOPATH/src/launchpad.net/webdm

./run-checks
godeps: cannot update "/tmp/tmp.1zL22BfGK4/src/github.com/davecheney/mdns": cannot create repo: Cloning into '/tmp/tmp.1zL22BfGK4/src/github.com/davecheney/mdns'...
/tmp/tmp.1zL22BfGK4/src/github.com/davecheney/mdns/.git/objects/info: No space left on device
godeps: cannot update "/tmp/tmp.1zL22BfGK4/src/github.com/gosexy/gettext": cannot create repo: Cloning into '/tmp/tmp.1zL22BfGK4/src/github.com/gosexy/gettext'...
/tmp/tmp.1zL22BfGK4/src/github.com/gosexy/gettext/.git/objects/pack: No space left on device
godeps: cannot update "/tmp/tmp.1zL22BfGK4/src/github.com/miekg/dns": cannot create repo: Cloning into '/tmp/tmp.1zL22BfGK4/src/github.com/miekg/dns'...
error: could not lock config file /tmp/tmp.1zL22BfGK4/src/github.com/miekg/dns/.git/config: No space left on device
error: could not lock config file /tmp/tmp.1zL22BfGK4/src/github.com/miekg/dns/.git/config: No space left on device
error: could not lock config file /tmp/tmp.1zL22BfGK4/src/github.com/miekg/dns/.git/config: No space left on device
fatal: Unable to create temporary file '/tmp/tmp.1zL22BfGK4/src/github.com/miekg/dns/.git/tBEFJ2p': No space left on device
godeps: cannot update "/tmp/tmp.1zL22BfGK4/src/github.com/cheggaaa/pb": cannot create repo: Cloning into '/tmp/tmp.1zL22BfGK4/src/github.com/cheggaaa/pb'...
error: could not lock config file /tmp/tmp.1zL22BfGK4/src/github.com/cheggaaa/pb/.git/config: No space left on device
error: could not lock config file /tmp/tmp.1zL22BfGK4/src/github.com...

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update gopkg.in/check.v1 failed; trying to fetch newer version
gopkg.in/check.v1 now at 64131543e7896d5bcc6bd5a76287eb75ea96c673
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
github.com/mvo5/goconfigparser now at 26426272dda20cc76aa1fa44286dc743d2972fe8
update github.com/cheggaaa/pb failed; trying to fetch newer version
github.com/cheggaaa/pb now at e8c7cc515bfde3e267957a3b110080ceed51354e
update github.com/davecheney/gmx failed; trying to fetch newer version
github.com/davecheney/gmx now at d765420e7fbaccecb2a38cf2a02701fe3e0888a3
update github.com/davecheney/mdns failed; trying to fetch newer version
github.com/davecheney/mdns now at de174d86a3d3e87bfad9cb66cedd0433380b67b0
update github.com/gosexy/gettext failed; trying to fetch newer version
update github.com/miekg/dns failed; trying to fetch newer version
github.com/miekg/dns now at 5a357a6fc5e85268b929350aa6423e2d56dcc4ff
update gopkg.in/yaml.v2 failed; trying to fetch newer version
gopkg.in/yaml.v2 now at 49c95bdc21843256fb6c4e0d370a05f24a0bf213
update github.com/mvo5/uboot-go failed; trying to fetch newer version
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
update github.com/gorilla/mux failed; trying to fetch newer version
update github.com/gorilla/context failed; trying to fetch newer version
update golang.org/x/crypto failed; trying to fetch newer version
7 repositories updated; 6 failed

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d)
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webdm
cp -a . $GOPATH/src/launchpad.net/webdm/
cd $GOPATH/src/launchpad.net/webdm

./run-checks
godeps: cannot update "/tmp/tmp.JIqQJxg1Cx/src/github.com/gosexy/gettext": cannot create repo: Cloning into '/tmp/tmp.JIqQJxg1Cx/src/github.com/gosexy/gettext'...
error: unable to create temporary file: No space left on device
fatal: failed to write object
fatal: unpack-objects failed
godeps: cannot update "/tmp/tmp.JIqQJxg1Cx/src/github.com/mvo5/uboot-go": cannot create repo: Cloning into '/tmp/tmp.JIqQJxg1Cx/src/github.com/mvo5/uboot-go'...
error: unable to create directory for /tmp/tmp.JIqQJxg1Cx/src/github.com/mvo5/uboot-go/.git/logs/refs/heads/master
fatal: Cannot update the ref 'HEAD'.
Unexpected end of command stream
godeps: cannot update "/tmp/tmp.JIqQJxg1Cx/src/github.com/ubuntu-core/snappy": cannot create repo: Cloning into '/tmp/tmp.JIqQJxg1Cx/src/github.com/ubuntu-core/snappy'...
error: Unable to open /tmp/tmp.JIqQJxg1Cx/src/github.com/ubuntu-core/snappy/.git/HEAD.lock for writing
fatal: Unable to create '/tmp/tmp.JIqQJxg1Cx/src/github.com/ubuntu-core/snappy/.git/refs/heads/master.lock': No space left on device
Unexpected end of command stream
godeps: cannot update "/tmp/tmp.JIqQJxg1Cx/src/github.com/gorilla/mux": cannot create repo: Cloning into '/tmp/tmp.JIqQJxg1Cx/src/github.com/gorilla/mux'...
error: Unable to append to /tmp/tmp.JIqQJ...

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update github.com/cheggaaa/pb failed; trying to fetch newer version
github.com/cheggaaa/pb now at e8c7cc515bfde3e267957a3b110080ceed51354e
update github.com/davecheney/mdns failed; trying to fetch newer version
github.com/davecheney/mdns now at de174d86a3d3e87bfad9cb66cedd0433380b67b0
update github.com/gorilla/context failed; trying to fetch newer version
github.com/gorilla/context now at 50c25fb3b2b3b3cc724e9b6ac75fb44b3bccd0da
update github.com/gorilla/mux failed; trying to fetch newer version
github.com/gorilla/mux now at e444e69cbd2e2e3e0749a2f3c717cec491552bbf
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
github.com/mvo5/goconfigparser now at 26426272dda20cc76aa1fa44286dc743d2972fe8
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
update gopkg.in/check.v1 failed; trying to fetch newer version
update github.com/miekg/dns failed; trying to fetch newer version
update github.com/davecheney/gmx failed; trying to fetch newer version
update github.com/gosexy/gettext failed; trying to fetch newer version
update golang.org/x/crypto failed; trying to fetch newer version
update github.com/mvo5/uboot-go failed; trying to fetch newer version
update gopkg.in/yaml.v2 failed; trying to fetch newer version
5 repositories updated; 8 failed

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d)
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webdm
cp -a . $GOPATH/src/launchpad.net/webdm/
cd $GOPATH/src/launchpad.net/webdm

./run-checks
godeps: cannot update "/tmp/tmp.maH2XVR150/src/github.com/ubuntu-core/snappy": cannot create repo: Cloning into '/tmp/tmp.maH2XVR150/src/github.com/ubuntu-core/snappy'...
error: unable to create file gen-coverage.sh (No space left on device)
error: unable to create file get-deps.sh (No space left on device)
fatal: cannot create directory at 'i18n': No space left on device
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry the checkout with 'git checkout -f HEAD'
godeps: cannot update "/tmp/tmp.maH2XVR150/src/gopkg.in/check.v1": cannot create repo: fatal: could not create work tree dir '/tmp/tmp.maH2XVR150/src/gopkg.in/check.v1'.: No space left on device
godeps: cannot update "/tmp/tmp.maH2XVR150/src/github.com/miekg/dns": cannot create repo: mkdir /tmp/tmp.maH2XVR150/src/github.com/miekg/: no space left on device
godeps: cannot update "/tmp/tmp.maH2XVR150/src/github.com/davecheney/gmx": cannot create repo: fatal: could not create work tree dir '/tmp/tmp.maH2XVR150/src/github.com/davecheney/gmx'.: No space left on device
godeps: cannot update "/tmp/tmp.maH2XVR150/src/github.com/gosexy/gettext": cannot create repo: mkdir /tmp/tmp.maH2XVR150/src/github.com/gosexy/: no space left on device
godeps: cannot update "/tmp/tmp.maH2XVR150/src/golang.org/x/crypto": cannot create repo: fatal: could not create work tree dir '/tmp...

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update github.com/davecheney/mdns failed; trying to fetch newer version
github.com/davecheney/mdns now at de174d86a3d3e87bfad9cb66cedd0433380b67b0
update gopkg.in/check.v1 failed; trying to fetch newer version
gopkg.in/check.v1 now at 64131543e7896d5bcc6bd5a76287eb75ea96c673
update github.com/miekg/dns failed; trying to fetch newer version
github.com/miekg/dns now at 5a357a6fc5e85268b929350aa6423e2d56dcc4ff
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
github.com/mvo5/goconfigparser now at 26426272dda20cc76aa1fa44286dc743d2972fe8
update github.com/mvo5/uboot-go failed; trying to fetch newer version
github.com/mvo5/uboot-go now at 69978a3e4b05cca9d7cfee489b3453dfed45e72c
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
github.com/ubuntu-core/snappy now at 5bcb20229bb884b85144eab0fe5db7aa05a27ebf
update golang.org/x/crypto failed; trying to fetch newer version
golang.org/x/crypto now at 60052bd85f2d91293457e8811b0cf26b773de469
update github.com/gorilla/context failed; trying to fetch newer version
github.com/gorilla/context now at 50c25fb3b2b3b3cc724e9b6ac75fb44b3bccd0da
update github.com/cheggaaa/pb failed; trying to fetch newer version
update github.com/gorilla/mux failed; trying to fetch newer version
github.com/cheggaaa/pb now at e8c7cc515bfde3e267957a3b110080ceed51354e
github.com/gorilla/mux now at e444e69cbd2e2e3e0749a2f3c717cec491552bbf
update gopkg.in/yaml.v2 failed; trying to fetch newer version
gopkg.in/yaml.v2 now at 49c95bdc21843256fb6c4e0d370a05f24a0bf213
update github.com/gosexy/gettext failed; trying to fetch newer version
github.com/gosexy/gettext now at 98b7b91596d20b96909e6b60d57411547dd9959c
update github.com/davecheney/gmx failed; trying to fetch newer version
github.com/davecheney/gmx now at d765420e7fbaccecb2a38cf2a02701fe3e0888a3
Building

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d)

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webdm
cp -a . $GOPATH/src/launchpad.net/webdm/
cd $GOPATH/src/launchpad.net/webdm

./run-checks
github.com/davecheney/gmx
github.com/miekg/dns
github.com/gorilla/context
github.com/gorilla/mux
github.com/ubuntu-core/snappy/dirs
github.com/ubuntu-core/snappy/logger
github.com/ubuntu-core/snappy/helpers
golang.org/x/crypto/cast5
golang.org/x/crypto/openpgp/elgamal
golang.org/x/crypto/openpgp/errors
golang.org/x/crypto/openpgp/s2k
golang.org/x/crypto/openpgp/packet
github.com/ubuntu-core/snappy/asserts
github.com/davecheney/mdns
launchpad.net/webdm/avahi
github.com/ubuntu-core/snappy/client
gopkg.in/yaml.v2
github.com/ubuntu-core/snappy/arch
github.com/ubuntu-core/snappy/systemd
github.com/gosexy/gettext
github.com/ubuntu-core/snappy/i18n
github.com/ubuntu-core/snappy/oauth
github.com/mvo5/goconfigparser
github.com/ubuntu-core/snappy/snap
github.com/ubuntu-core/snappy/coreconfig
github.com/mvo5/uboot-go/uenv
github.com/ubuntu-core/snappy/partition
github.com/ubuntu-co...

[Snappy Tarmac (snappydevtarmac)]

The `tree_dir` option for the target branch is not a lightweight checkout. Please ask a project administrator to resolve the issue, and try again.

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

sed: -e expression #1, char 52: unknown option to `s'

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update github.com/davecheney/mdns failed; trying to fetch newer version
github.com/davecheney/mdns now at de174d86a3d3e87bfad9cb66cedd0433380b67b0
update github.com/gorilla/mux failed; trying to fetch newer version
github.com/gorilla/mux now at e444e69cbd2e2e3e0749a2f3c717cec491552bbf
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
github.com/ubuntu-core/snappy now at 5bcb20229bb884b85144eab0fe5db7aa05a27ebf
update golang.org/x/crypto failed; trying to fetch newer version
golang.org/x/crypto now at 60052bd85f2d91293457e8811b0cf26b773de469
update gopkg.in/yaml.v2 failed; trying to fetch newer version
gopkg.in/yaml.v2 now at 49c95bdc21843256fb6c4e0d370a05f24a0bf213
update github.com/davecheney/gmx failed; trying to fetch newer version
github.com/davecheney/gmx now at d765420e7fbaccecb2a38cf2a02701fe3e0888a3
update github.com/gorilla/context failed; trying to fetch newer version
github.com/gorilla/context now at 50c25fb3b2b3b3cc724e9b6ac75fb44b3bccd0da
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
github.com/mvo5/goconfigparser now at 26426272dda20cc76aa1fa44286dc743d2972fe8
update github.com/gosexy/gettext failed; trying to fetch newer version
github.com/gosexy/gettext now at 98b7b91596d20b96909e6b60d57411547dd9959c
update github.com/miekg/dns failed; trying to fetch newer version
github.com/miekg/dns now at 5a357a6fc5e85268b929350aa6423e2d56dcc4ff
update gopkg.in/check.v1 failed; trying to fetch newer version
gopkg.in/check.v1 now at 64131543e7896d5bcc6bd5a76287eb75ea96c673
update github.com/mvo5/uboot-go failed; trying to fetch newer version
github.com/mvo5/uboot-go now at 69978a3e4b05cca9d7cfee489b3453dfed45e72c
update github.com/cheggaaa/pb failed; trying to fetch newer version
github.com/cheggaaa/pb now at e8c7cc515bfde3e267957a3b110080ceed51354e
Building

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d -p /mnt/tarmac/tmp)
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webdm
cp -a . $GOPATH/src/launchpad.net/webdm/
cd $GOPATH/src/launchpad.net/webdm

./run-checks
github.com/davecheney/gmx
github.com/miekg/dns
github.com/gorilla/context
github.com/gorilla/mux
github.com/ubuntu-core/snappy/dirs
github.com/ubuntu-core/snappy/logger
github.com/ubuntu-core/snappy/helpers
# github.com/ubuntu-core/snappy/helpers
Assembler messages:
Fatal error: can't create $WORK/github.com/ubuntu-core/snappy/helpers/_obj/_cgo_main.o: No space left on device
golang.org/x/crypto/cast5
go build golang.org/x/crypto/cast5: mkdir /tmp/go-build237809545/golang.org/x: no space left on device
golang.org/x/crypto/openpgp/elgamal
go build golang.org/x/crypto/openpgp/elgamal: mkdir /tmp/go-build237809545/golang.org/x: no space left on device
golang.org/x/crypto/openpgp/errors
go build golang.org/x/crypto/openpgp/errors: mkdir /tmp/go-build237809545/golang.org/x: no space left on device
gopkg.in/yaml.v2
go build gopkg....

[Snappy Tarmac (snappydevtarmac)]

The attempt to merge lp:~stevenwilkin/webdm/add-remove-snaps-via-api into lp:webdm failed. Below is the output from the failed tests.

Checking formatting
Installing godeps
Install golint
Obtaining dependencies
update github.com/cheggaaa/pb failed; trying to fetch newer version
github.com/cheggaaa/pb now at e8c7cc515bfde3e267957a3b110080ceed51354e
update golang.org/x/crypto failed; trying to fetch newer version
golang.org/x/crypto now at 60052bd85f2d91293457e8811b0cf26b773de469
update github.com/davecheney/mdns failed; trying to fetch newer version
github.com/davecheney/mdns now at de174d86a3d3e87bfad9cb66cedd0433380b67b0
update github.com/gorilla/context failed; trying to fetch newer version
github.com/gorilla/context now at 50c25fb3b2b3b3cc724e9b6ac75fb44b3bccd0da
update github.com/gorilla/mux failed; trying to fetch newer version
github.com/gorilla/mux now at e444e69cbd2e2e3e0749a2f3c717cec491552bbf
update github.com/gosexy/gettext failed; trying to fetch newer version
github.com/gosexy/gettext now at 98b7b91596d20b96909e6b60d57411547dd9959c
update github.com/mvo5/uboot-go failed; trying to fetch newer version
github.com/mvo5/uboot-go now at 69978a3e4b05cca9d7cfee489b3453dfed45e72c
update gopkg.in/yaml.v2 failed; trying to fetch newer version
gopkg.in/yaml.v2 now at 49c95bdc21843256fb6c4e0d370a05f24a0bf213
update gopkg.in/check.v1 failed; trying to fetch newer version
gopkg.in/check.v1 now at 64131543e7896d5bcc6bd5a76287eb75ea96c673
update github.com/davecheney/gmx failed; trying to fetch newer version
github.com/davecheney/gmx now at d765420e7fbaccecb2a38cf2a02701fe3e0888a3
update github.com/mvo5/goconfigparser failed; trying to fetch newer version
github.com/mvo5/goconfigparser now at 26426272dda20cc76aa1fa44286dc743d2972fe8
update github.com/miekg/dns failed; trying to fetch newer version
github.com/miekg/dns now at 5a357a6fc5e85268b929350aa6423e2d56dcc4ff
update github.com/ubuntu-core/snappy failed; trying to fetch newer version
github.com/ubuntu-core/snappy now at 5bcb20229bb884b85144eab0fe5db7aa05a27ebf
Building
Running tests from /mnt/tarmac/tmp/tmp.RkPg752sU4/src/launchpad.net/webdm
=== RUN Test
OK: 4 passed
--- PASS: Test (0.00s)
PASS
coverage: 60.0% of statements
ok launchpad.net/webdm/avahi 0.012s coverage: 60.0% of statements
? launchpad.net/webdm/cmd/snappyd [no test files]
=== RUN Test
WARNING: cannot create /mnt/tarmac/tmp/check-4282530047168441630/1/badDataPath/icons
OK: 17 passed
--- PASS: Test (0.02s)
PASS
coverage: 46.8% of statements
ok launchpad.net/webdm/snappy 0.029s coverage: 46.8% of statements
=== RUN Test
OK: 8 passed
--- PASS: Test (0.41s)
PASS
coverage: 100.0% of statements
ok launchpad.net/webdm/statustracker 0.414s coverage: 100.0% of statements
Running vet
Running lint
Obtaining npm dependencies

# we always run in a fresh dir in tarmac
export GOPATH=$(mktemp -d -p /mnt/tarmac/tmp); export TMPDIR=/mnt/tarmac/tmp
trap 'rm -rf "$GOPATH"' EXIT

# this is a hack, but not sure tarmac is golang friendly
mkdir -p $GOPATH/src/launchpad.net/webdm
cp -a . $GOPATH/src/launchpad.net/webdm/
cd $GOPATH/src/launchpad.net/webdm

./run-checks
github.com/davecheney/gmx
github.com/miekg/dns
github.com/gorilla/c...

=== modified file 'snappy/common_test.go'
--- snappy/common_test.go	2016-02-02 17:51:45 +0000
+++ snappy/common_test.go	2016-04-21 06:04:15 +0000
@@ -85,6 +85,14 @@
 	return snaps, f.err
 }
 
+func (f *fakeSnapdClient) AddSnap(name string) (string, error) {
+	return "", nil
+}
+
+func (f *fakeSnapdClient) RemoveSnap(name string) (string, error) {
+	return "", nil
+}
+
 var _ snapdClient = (*fakeSnapdClient)(nil)
 
 type fakeSnapdClientServicesNoExternalUI struct {

=== modified file 'snappy/converge.go'
--- snappy/converge.go	2016-02-02 17:51:45 +0000
+++ snappy/converge.go	2016-04-21 06:04:15 +0000
@@ -26,25 +26,22 @@
 
 	"github.com/ubuntu-core/snappy/client"
 	"github.com/ubuntu-core/snappy/snap"
-	"github.com/ubuntu-core/snappy/snappy"
-	"launchpad.net/webdm/webprogress"
 )
 
 type snapPkg struct {
-	ID            string             `json:"id"`
-	Name          string             `json:"name"`
-	Origin        string             `json:"origin"`
-	Version       string             `json:"version"`
-	Description   string             `json:"description"`
-	Icon          string             `json:"icon"`
-	Status        webprogress.Status `json:"status"`
-	Message       string             `json:"message,omitempty"`
-	IsError       bool               `json:"-"`
-	Progress      float64            `json:"progress,omitempty"`
-	InstalledSize int64              `json:"installed_size,omitempty"`
-	DownloadSize  int64              `json:"download_size,omitempty"`
-	Type          snap.Type          `json:"type,omitempty"`
-	UIPort        uint64             `json:"ui_port,omitempty"`
+	ID            string    `json:"id"`
+	Name          string    `json:"name"`
+	Origin        string    `json:"origin"`
+	Version       string    `json:"version"`
+	Description   string    `json:"description"`
+	Icon          string    `json:"icon"`
+	Status        string    `json:"status"`
+	Message       string    `json:"message,omitempty"`
+	Progress      float64   `json:"progress,omitempty"`
+	InstalledSize int64     `json:"installed_size,omitempty"`
+	DownloadSize  int64     `json:"download_size,omitempty"`
+	Type          snap.Type `json:"type,omitempty"`
+	UIPort        uint64    `json:"ui_port,omitempty"`
 }
 
 type response struct {
@@ -77,40 +74,28 @@
 	return snapPkgs, nil
 }
 
-func (h *Handler) doRemovePackage(progress *webprogress.WebProgress, ID string) {
-	pkgName := strings.Split(ID, ".")[0]
-
-	err := snappy.Remove(pkgName, 0, progress)
-	progress.ErrorChan <- err
-	close(progress.ErrorChan)
-}
-
 func (h *Handler) removePackage(ID string) error {
-	progress, err := h.statusTracker.Add(ID, webprogress.OperationRemove)
+	snap, err := h.snapdClient.Snap(ID)
 	if err != nil {
 		return err
 	}
 
-	go h.doRemovePackage(progress, ID)
-
-	return nil
-}
-
-func (h *Handler) doInstallPackage(progress *webprogress.WebProgress, ID string) {
-	_, err := snappy.Install(ID, 0, progress)
-	progress.ErrorChan <- err
-	close(progress.ErrorChan)
+	h.statusTracker.TrackUninstall(snap)
+
+	_, err = h.snapdClient.RemoveSnap(ID)
+	return err
 }
 
 func (h *Handler) installPackage(ID string) error {
-	progress, err := h.statusTracker.Add(ID, webprogress.OperationInstall)
+	snap, err := h.snapdClient.Snap(ID)
 	if err != nil {
 		return err
 	}
 
-	go h.doInstallPackage(progress, ID)
+	h.statusTracker.TrackInstall(snap)
 
-	return nil
+	_, err = h.snapdClient.AddSnap(ID)
+	return err
 }
 
 func hasPortInformation(snapQ *client.Snap) bool {
@@ -126,6 +111,7 @@
 		Version:     snapQ.Version,
 		Description: snapQ.Description,
 		Type:        snap.Type(snapQ.Type),
+		Status:      h.statusTracker.Status(snapQ),
 	}
 
 	if hasPortInformation(snapQ) {
@@ -150,25 +136,6 @@
 		snap.DownloadSize = snapQ.DownloadSize
 	}
 
-	if stat, ok := h.statusTracker.Get(snap.ID); ok {
-		snap.Status = stat.Status
-		if stat.Done() {
-			defer h.statusTracker.Remove(snap.ID)
-
-			if stat.Error != nil {
-				snap.Message = stat.Error.Error()
-				snap.IsError = true
-			}
-
-		} else {
-			snap.Progress = stat.Progress()
-		}
-	} else if isInstalled {
-		snap.Status = webprogress.StatusInstalled
-	} else {
-		snap.Status = webprogress.StatusUninstalled
-	}
-
 	return snap
 }
 

=== modified file 'snappy/converge_test.go'
--- snappy/converge_test.go	2016-02-02 17:51:45 +0000
+++ snappy/converge_test.go	2016-04-21 06:04:15 +0000
@@ -24,7 +24,7 @@
 	"github.com/ubuntu-core/snappy/client"
 	"github.com/ubuntu-core/snappy/snap"
 	. "gopkg.in/check.v1"
-	"launchpad.net/webdm/webprogress"
+	"launchpad.net/webdm/statustracker"
 )
 
 type PackagePayloadSuite struct {
@@ -36,7 +36,7 @@
 
 func (s *PackagePayloadSuite) SetUpTest(c *C) {
 	os.Setenv("SNAP_APP_DATA_PATH", c.MkDir())
-	s.h.statusTracker = webprogress.New()
+	s.h.statusTracker = statustracker.New()
 	s.c = &fakeSnapdClient{}
 	s.h.setClient(s.c)
 }
@@ -75,7 +75,7 @@
 
 func (s *PayloadSuite) SetUpTest(c *C) {
 	os.Setenv("SNAP_APP_DATA_PATH", c.MkDir())
-	s.h.statusTracker = webprogress.New()
+	s.h.statusTracker = statustracker.New()
 	s.h.setClient(&fakeSnapdClient{})
 }
 
@@ -86,7 +86,7 @@
 
 	c.Check(q.Name, Equals, fakeSnap.Name)
 	c.Check(q.Version, Equals, fakeSnap.Version)
-	c.Check(q.Status, Equals, webprogress.StatusInstalled)
+	c.Check(q.Status, Equals, statustracker.StatusInstalled)
 	c.Check(q.Type, Equals, snap.Type(fakeSnap.Type))
 	c.Check(q.UIPort, Equals, uint64(0))
 	c.Check(q.Icon, Equals, "/icons/chatroom.ogra_icon.png")
@@ -101,7 +101,7 @@
 
 	c.Assert(q.Name, Equals, fakeSnap.Name)
 	c.Assert(q.Version, Equals, fakeSnap.Version)
-	c.Assert(q.Status, Equals, webprogress.StatusInstalled)
+	c.Assert(q.Status, Equals, statustracker.StatusInstalled)
 	c.Assert(q.Type, Equals, snap.Type(fakeSnap.Type))
 	c.Assert(q.UIPort, Equals, uint64(0))
 }
@@ -114,7 +114,7 @@
 
 	c.Assert(q.Name, Equals, fakeSnap.Name)
 	c.Assert(q.Version, Equals, fakeSnap.Version)
-	c.Assert(q.Status, Equals, webprogress.StatusInstalled)
+	c.Assert(q.Status, Equals, statustracker.StatusInstalled)
 	c.Assert(q.Type, Equals, snap.Type(fakeSnap.Type))
 	c.Assert(q.UIPort, Equals, uint64(1024))
 }
@@ -129,18 +129,18 @@
 
 	c.Assert(q.Name, Equals, fakeSnap.Name)
 	c.Assert(q.Version, Equals, fakeSnap.Version)
-	c.Assert(q.Status, Equals, webprogress.StatusInstalled)
+	c.Assert(q.Status, Equals, statustracker.StatusInstalled)
 	c.Assert(q.Type, Equals, snap.Type(fakeSnap.Type))
 	c.Assert(q.UIPort, Equals, uint64(0))
 }
 
 func (s *PayloadSuite) TestPayloadSnapInstalling(c *C) {
 	fakeSnap := newDefaultSnap()
-	fakeSnapID := fakeSnap.Name + "." + fakeSnap.Origin
-	s.h.statusTracker.Add(fakeSnapID, webprogress.OperationInstall)
+	fakeSnap.Status = client.StatusNotInstalled
+	s.h.statusTracker.TrackInstall(fakeSnap)
 
 	payload := s.h.snapToPayload(fakeSnap)
-	c.Assert(payload.Status, Equals, webprogress.StatusInstalling)
+	c.Assert(payload.Status, Equals, statustracker.StatusInstalling)
 }
 
 type AllPackagesSuite struct {
@@ -152,7 +152,7 @@
 
 func (s *AllPackagesSuite) SetUpTest(c *C) {
 	os.Setenv("SNAP_APP_DATA_PATH", c.MkDir())
-	s.h.statusTracker = webprogress.New()
+	s.h.statusTracker = statustracker.New()
 	s.c = &fakeSnapdClient{}
 	s.h.setClient(s.c)
 }

=== modified file 'snappy/handlers.go'
--- snappy/handlers.go	2016-02-23 16:00:47 +0000
+++ snappy/handlers.go	2016-04-21 06:04:15 +0000
@@ -26,21 +26,21 @@
 
 	"github.com/ubuntu-core/snappy/client"
 	"github.com/ubuntu-core/snappy/snappy"
-	"launchpad.net/webdm/webprogress"
+	"launchpad.net/webdm/statustracker"
 
 	"github.com/gorilla/mux"
 )
 
 // Handler implements snappy's packages api.
 type Handler struct {
-	statusTracker *webprogress.StatusTracker
+	statusTracker *statustracker.StatusTracker
 	snapdClient   snapdClient
 }
 
 // NewHandler creates an instance that implements snappy's packages api.
 func NewHandler() *Handler {
 	return &Handler{
-		statusTracker: webprogress.New(),
+		statusTracker: statustracker.New(),
 		snapdClient:   client.New(nil),
 	}
 }
@@ -92,10 +92,6 @@
 		return
 	}
 
-	if payload.IsError {
-		w.WriteHeader(http.StatusInternalServerError)
-	}
-
 	if err := enc.Encode(payload); err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
 		// give up on json
@@ -155,9 +151,6 @@
 	case snappy.ErrAlreadyInstalled:
 		status = http.StatusOK
 		msg = "Installed"
-	case webprogress.ErrPackageInstallInProgress:
-		status = http.StatusBadRequest
-		msg = "Operation in progress"
 	case snappy.ErrPackageNotFound:
 		status = http.StatusNotFound
 		msg = "Package not found"

=== modified file 'snappy/handlers_test.go'
--- snappy/handlers_test.go	2016-02-02 17:50:38 +0000
+++ snappy/handlers_test.go	2016-04-21 06:04:15 +0000
@@ -23,7 +23,6 @@
 	"os"
 
 	"github.com/ubuntu-core/snappy/client"
-	"launchpad.net/webdm/webprogress"
 
 	. "gopkg.in/check.v1"
 )
@@ -37,7 +36,6 @@
 
 func (s *HandlersSuite) SetUpTest(c *C) {
 	os.Setenv("SNAP_APP_DATA_PATH", c.MkDir())
-	s.h.statusTracker = webprogress.New()
 	s.c = &fakeSnapdClient{}
 	s.h.setClient(s.c)
 }

=== modified file 'snappy/snapd_client.go'
--- snappy/snapd_client.go	2016-02-02 17:50:37 +0000
+++ snappy/snapd_client.go	2016-04-21 06:04:15 +0000
@@ -26,4 +26,6 @@
 	Services(pkg string) (map[string]*client.Service, error)
 	Snap(name string) (*client.Snap, error)
 	FilterSnaps(filter client.SnapFilter) (map[string]*client.Snap, error)
+	AddSnap(name string) (string, error)
+	RemoveSnap(name string) (string, error)
 }

=== added directory 'statustracker'
=== added file 'statustracker/statustracker.go'
--- statustracker/statustracker.go	1970-01-01 00:00:00 +0000
+++ statustracker/statustracker.go	2016-04-21 06:04:15 +0000
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2016 Canonical Ltd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// Package statustracker enables the tracking of snap installation and removal.
+//
+// Once a snap has been marked as "installing" it will remain in that
+// state until it's status as provided by snapd indicates that it is installed
+// on the system. Similarly for removing snaps. Status lifecycle is thus:
+//
+// "uninstalled" -> "installing" -> "installed" -> "uninstalling" and repeat
+package statustracker
+
+import (
+	"sync"
+	"time"
+
+	"github.com/ubuntu-core/snappy/client"
+)
+
+const (
+	// StatusInstalled indicates the package is in an installed state.
+	StatusInstalled = "installed"
+	// StatusUninstalled indicates the package is in an uninstalled state.
+	StatusUninstalled = "uninstalled"
+	// StatusInstalling indicates the package is in an installing state.
+	StatusInstalling = "installing"
+	// StatusUninstalling indicates the package is in an uninstalling state.
+	StatusUninstalling = "uninstalling"
+)
+
+var trackerDuration = 1 * time.Minute
+
+// StatusTracker tracks statuses
+type StatusTracker struct {
+	sync.Mutex
+	statuses map[string]string
+}
+
+// New returns a new status tracker
+func New() *StatusTracker {
+	return &StatusTracker{
+		statuses: make(map[string]string),
+	}
+}
+
+// Status returns the status of the given snap
+func (s *StatusTracker) Status(snap *client.Snap) string {
+	s.Lock()
+	defer s.Unlock()
+
+	status, ok := s.statuses[snapID(snap)]
+	if !ok {
+		return translateStatus(snap)
+	}
+
+	if hasCompleted(status, snap) {
+		delete(s.statuses, snapID(snap))
+		return translateStatus(snap)
+	}
+
+	return status
+}
+
+// TrackInstall tracks the installation of the given snap
+func (s *StatusTracker) TrackInstall(snap *client.Snap) {
+	if isInstalled(snap) {
+		return
+	}
+
+	s.trackOperation(snapID(snap), StatusInstalling)
+}
+
+func (s *StatusTracker) trackOperation(id, operation string) {
+	s.Lock()
+	defer s.Unlock()
+
+	s.statuses[id] = operation
+
+	go func() {
+		<-time.After(trackerDuration)
+		s.Lock()
+		delete(s.statuses, id)
+		s.Unlock()
+	}()
+}
+
+// TrackUninstall tracks the removal of the given snap
+func (s *StatusTracker) TrackUninstall(snap *client.Snap) {
+	if !isInstalled(snap) {
+		return
+	}
+
+	s.trackOperation(snapID(snap), StatusUninstalling)
+}
+
+func snapID(s *client.Snap) string {
+	return s.Name + "." + s.Origin
+}
+
+func isInstalled(s *client.Snap) bool {
+	return s.Status == client.StatusInstalled || s.Status == client.StatusActive
+}
+
+// translate a status from the snappy world into one webdm understands
+func translateStatus(s *client.Snap) string {
+	if isInstalled(s) {
+		return StatusInstalled
+	}
+
+	return StatusUninstalled
+}
+
+// has the tracked process denoted by status completed?
+func hasCompleted(status string, snap *client.Snap) bool {
+	if status == StatusInstalling {
+		return isInstalled(snap)
+	}
+
+	return !isInstalled(snap)
+}

=== added file 'statustracker/statustracker_test.go'
--- statustracker/statustracker_test.go	1970-01-01 00:00:00 +0000
+++ statustracker/statustracker_test.go	2016-04-21 06:04:15 +0000
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2016 Canonical Ltd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package statustracker
+
+import (
+	"testing"
+	"time"
+
+	"github.com/ubuntu-core/snappy/client"
+
+	. "gopkg.in/check.v1"
+)
+
+func Test(t *testing.T) { TestingT(t) }
+
+type StatusTrackerSuite struct {
+	t *StatusTracker
+}
+
+var _ = Suite(&StatusTrackerSuite{})
+
+func (s *StatusTrackerSuite) SetUpTest(c *C) {
+	s.t = New()
+}
+
+func (s *StatusTrackerSuite) TestTranslateStatus(c *C) {
+	tests := []struct {
+		snapStatus string
+		status     string
+	}{
+		{client.StatusInstalled, StatusInstalled},
+		{client.StatusActive, StatusInstalled},
+		{client.StatusNotInstalled, StatusUninstalled},
+		{client.StatusRemoved, StatusUninstalled},
+	}
+
+	for _, tt := range tests {
+		snap := &client.Snap{Status: tt.snapStatus}
+		c.Assert(translateStatus(snap), Equals, tt.status)
+	}
+}
+
+func (s *StatusTrackerSuite) TestHasCompleted(c *C) {
+	tests := []struct {
+		status     string
+		snapStatus string
+		completed  bool
+	}{
+		{StatusInstalling, client.StatusInstalled, true},
+		{StatusInstalling, client.StatusRemoved, false},
+		{StatusUninstalling, client.StatusRemoved, true},
+		{StatusUninstalling, client.StatusActive, false},
+	}
+
+	for _, tt := range tests {
+		snap := &client.Snap{Status: tt.snapStatus}
+		c.Assert(hasCompleted(tt.status, snap), Equals, tt.completed)
+	}
+}
+
+func (s *StatusTrackerSuite) TestUntrackedSnap(c *C) {
+	snap := &client.Snap{Status: client.StatusInstalled}
+	c.Assert(s.t.Status(snap), Equals, StatusInstalled)
+}
+
+func (s *StatusTrackerSuite) TestTrackInstallAlreadyInstalled(c *C) {
+	snap := &client.Snap{Status: client.StatusInstalled}
+	s.t.TrackInstall(snap)
+	c.Assert(s.t.Status(snap), Equals, StatusInstalled)
+}
+
+func (s *StatusTrackerSuite) TestTrackInstall(c *C) {
+	snap := &client.Snap{Status: client.StatusNotInstalled}
+	s.t.TrackInstall(snap)
+	c.Assert(s.t.Status(snap), Equals, StatusInstalling)
+	// installation completes
+	snap.Status = client.StatusActive
+	c.Assert(s.t.Status(snap), Equals, StatusInstalled)
+}
+
+func (s *StatusTrackerSuite) TestTrackInstallExpiry(c *C) {
+	trackerDuration = 200 * time.Millisecond
+
+	snap := &client.Snap{Status: client.StatusNotInstalled}
+	s.t.TrackInstall(snap)
+	c.Assert(s.t.Status(snap), Equals, StatusInstalling)
+
+	// don't track indefinitely if operation fails
+	time.Sleep(trackerDuration * 2)
+	c.Assert(s.t.Status(snap), Equals, StatusUninstalled)
+}
+
+func (s *StatusTrackerSuite) TestTrackUninstallNotInstalled(c *C) {
+	snap := &client.Snap{Status: client.StatusNotInstalled}
+	s.t.TrackUninstall(snap)
+	c.Assert(s.t.Status(snap), Equals, StatusUninstalled)
+}
+
+func (s *StatusTrackerSuite) TestTrackUninstall(c *C) {
+	snap := &client.Snap{Status: client.StatusInstalled}
+	s.t.TrackUninstall(snap)
+	c.Assert(s.t.Status(snap), Equals, StatusUninstalling)
+	// uninstallation completes
+	snap.Status = client.StatusRemoved
+	c.Assert(s.t.Status(snap), Equals, StatusUninstalled)
+}

=== removed file 'webprogress/meter.go'
--- webprogress/meter.go	2015-12-11 15:07:16 +0000
+++ webprogress/meter.go	1970-01-01 00:00:00 +0000
@@ -1,159 +0,0 @@
-/*
- * Copyright (C) 2014-2015 Canonical Ltd
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-package webprogress
-
-import "github.com/ubuntu-core/snappy/progress"
-
-// Operation indicates the desired operation to perform
-type Operation uint
-
-const (
-	// OperationInstall indicates that a package needs installing
-	OperationInstall Operation = iota
-	// OperationRemove indicates that a package needs uninstalling
-	OperationRemove
-)
-
-// Status indicates the status a package is in.
-type Status string
-
-const (
-	// StatusInstalled indicates the package is in an installed state.
-	StatusInstalled Status = "installed"
-	// StatusUninstalled indicates the package is in an uninstalled state.
-	StatusUninstalled Status = "uninstalled"
-	// StatusInstalling indicates the package is in an installing state.
-	StatusInstalling Status = "installing"
-	// StatusUninstalling indicates the package is in an uninstalling state.
-	StatusUninstalling Status = "uninstalling"
-)
-
-// WebProgress show progress on the terminal
-type WebProgress struct {
-	progress.Meter
-	total               float64
-	current             float64
-	Status              Status
-	statusMessage       string
-	notificationMessage string
-	Error               error
-	ErrorChan           chan error
-	operation           Operation
-}
-
-// NewWebProgress returns a new WebProgress type
-func NewWebProgress(op Operation) *WebProgress {
-	var status Status
-	switch op {
-	case OperationInstall:
-		status = StatusInstalling
-	case OperationRemove:
-		status = StatusUninstalling
-	default:
-		panic("Not a valid Operation")
-	}
-
-	t := &WebProgress{
-		ErrorChan: make(chan error),
-		Status:    status,
-		operation: op,
-	}
-
-	go func() {
-		err := <-t.ErrorChan
-
-		if err != nil {
-			t.Status = StatusUninstalled
-			t.Error = err
-		} else {
-			var status Status
-			switch op {
-			case OperationInstall:
-				status = StatusInstalled
-			case OperationRemove:
-				status = StatusUninstalled
-			default:
-				panic("Not a valid Operation")
-			}
-			t.Status = status
-		}
-	}()
-
-	return t
-}
-
-// Start starts showing progress
-func (t *WebProgress) Start(pkgName string, total float64) {
-	t.total = total
-}
-
-// Set sets the progress to the current value
-func (t *WebProgress) Set(current float64) {
-	t.current = current
-}
-
-// SetTotal set the total steps needed
-func (t *WebProgress) SetTotal(total float64) {
-	t.total = total
-}
-
-// Finished stops displaying the progress
-func (t *WebProgress) Finished() {
-}
-
-// Done returns a boolean value indicating that the progress report
-// has finished with no concerns if it was succesfull or not.
-func (t *WebProgress) Done() bool {
-	return t.Status == StatusInstalled || t.Status == StatusUninstalled
-}
-
-// Write is there so that progress can implement a Writer and can be
-// used to display progress of io operations
-//
-// This is not needed for web progress.
-func (t *WebProgress) Write(p []byte) (n int, err error) {
-	t.current += float64(len(p))
-	return len(p), nil
-}
-
-// Spin advances a spinner, i.e. can be used to show progress for operations
-// that have a unknown duration
-func (t *WebProgress) Spin(msg string) {
-	t.statusMessage = msg
-}
-
-// Agreed asks the user whether they agree to the given license text
-func (t *WebProgress) Agreed(intro, license string) bool {
-	// TODO needs implementation
-	return true
-}
-
-// Notify the user of miscelaneous events
-func (t *WebProgress) Notify(msg string) {
-	// TODO needs implementation producer/consumer
-	t.notificationMessage = msg
-}
-
-// Progress returns the current progress
-func (t *WebProgress) Progress() float64 {
-	if t.total == 0 {
-		return 0
-	}
-
-	return t.current * 100 / t.total
-}

=== removed file 'webprogress/progress.go'
--- webprogress/progress.go	2015-05-06 14:41:13 +0000
+++ webprogress/progress.go	1970-01-01 00:00:00 +0000
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) 2014-2015 Canonical Ltd
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-package webprogress
-
-import (
-	"errors"
-	"sync"
-)
-
-var (
-	// ErrPackageInstallInProgress indicates that installation of the package is
-	// already in progress.
-	ErrPackageInstallInProgress = errors.New("package installion in progress")
-)
-
-// StatusTracker holds the state of all operations that require progress information.
-type StatusTracker struct {
-	status map[string]*WebProgress
-	l      sync.Mutex
-}
-
-// New creates a new Status.
-func New() *StatusTracker {
-	return &StatusTracker{status: make(map[string]*WebProgress)}
-}
-
-// Add add pkg to the list of progresses to track, it is idempotent
-func (i *StatusTracker) Add(pkg string, op Operation) (*WebProgress, error) {
-	i.l.Lock()
-	defer i.l.Unlock()
-
-	if _, ok := i.status[pkg]; ok {
-		return nil, ErrPackageInstallInProgress
-	}
-
-	i.status[pkg] = NewWebProgress(op)
-
-	return i.status[pkg], nil
-}
-
-// Remove removes pkg to the list of progresses to track, it is a no op
-// to remove multiple times.
-func (i *StatusTracker) Remove(pkg string) {
-	i.l.Lock()
-	defer i.l.Unlock()
-
-	delete(i.status, pkg)
-}
-
-// Get returns a *WebProgress corresponding to pkg or nil if not tracked.
-func (i *StatusTracker) Get(pkg string) (*WebProgress, bool) {
-	i.l.Lock()
-	defer i.l.Unlock()
-
-	w, ok := i.status[pkg]
-	return w, ok
-}