Add support for Error type to JSON output

[priyawadhwa]

adds support, unit tests, and new integration tests for Error type for JSON output

this is the last PR in adding support for JSON output

sample output with error:

$ minikube start --driver fail --output json
{"data":{"currentstep":"0","message":"minikube v1.12.1 on Darwin 10.14.6\n","name":"Initial Minikube Setup","totalsteps":"9"},"datacontenttype":"application/json","id":"4b69ea87-1b11-42cb-8190-dc414545cfd8","source":"https://minikube.sigs.k8s.io/","specversion":"1.0","type":"io.k8s.sigs.minikube.step"}
{"data":{"exitcode":"69","message":"The driver 'fail' is not supported on darwin\n"},"datacontenttype":"application/json","id":"d7440fee-ddf6-4961-a5e6-2c20d502e2a4","source":"https://minikube.sigs.k8s.io/","specversion":"1.0","type":"io.k8s.sigs.minikube.error"}

#8655

[priyawadhwa]

/ok-to-test

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: priyawadhwa

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [priyawadhwa]

Approvers can indicate their approval by writing /approve in a comment
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[minikube-pr-bot]

kvm2 Driver
Times for minikube: [64.915150423 61.347816756 64.70160688200001]
Average time for minikube: 63.654858020333336

Times for Minikube (PR 8796): [64.486938388 63.79499268500001 62.590780738]
Average time for Minikube (PR 8796): 63.62423727033334

Averages Time Per Log

+--------------------------------+-----------+--------------------+
|              LOG               | MINIKUBE  | MINIKUBE (PR 8796) |
+--------------------------------+-----------+--------------------+
| * minikube v1.12.1 on Debian   |  0.061945 |           0.059180 |
|                           9.11 |           |                    |
| * Using the kvm2 driver based  |  0.020100 |           0.022656 |
| on existing profile            |           |                    |
| * Starting control plane node  |  0.003321 |           0.007776 |
| minikube in cluster minikube   |           |                    |
| * Creating kvm2 VM (CPUs=2,    | 40.340736 |          40.484973 |
| Memory=3700MB, Disk=20000MB)   |           |                    |
| ...                            |           |                    |
| * Preparing Kubernetes v1.18.3 | 21.673117 |          21.485264 |
| on Docker 19.03.12 ...         |           |                    |
| * Verifying Kubernetes         |  1.437518 |           1.283232 |
| components...                  |           |                    |
| * Enabled addons:              |  0.037571 |           0.205221 |
| default-storageclass,          |           |                    |
| storage-provisioner            |           |                    |
| * Done! kubectl is now         |  0.076135 |           0.070931 |
| configured to use "minikube"   |           |                    |
|                                |  0.004414 |           0.005003 |
+--------------------------------+-----------+--------------------+

docker Driver
Times for minikube: [26.714162855 26.510648046 27.695143242999997]
Average time for minikube: 26.973318048

Times for Minikube (PR 8796): [27.996356354999996 25.811106002000002 26.329489071999998]
Average time for Minikube (PR 8796): 26.712317143000003

Averages Time Per Log

+--------------------------------+-----------+--------------------+
|              LOG               | MINIKUBE  | MINIKUBE (PR 8796) |
+--------------------------------+-----------+--------------------+
| * minikube v1.12.1 on Debian   |  0.077294 |           0.077197 |
|                           9.11 |           |                    |
| * Using the docker driver      |  0.111891 |           0.103392 |
| based on existing profile      |           |                    |
| * Starting control plane node  |  0.058444 |           0.058480 |
| minikube in cluster minikube   |           |                    |
| * Creating docker container    |  8.459284 |           8.605914 |
| (CPUs=2, Memory=3700MB) ...    |           |                    |
| * Preparing Kubernetes v1.18.3 | 17.178822 |          16.883311 |
| on Docker 19.03.2 ...          |           |                    |
| * Verifying Kubernetes         |  1.017576 |           0.910048 |
| components...                  |           |                    |
| * Enabled addons:              |  0.002667 |           0.002868 |
| default-storageclass,          |           |                    |
| storage-provisioner            |           |                    |
| * Done! kubectl is now         |  0.061941 |           0.066185 |
| configured to use "minikube"   |           |                    |
|                                |  0.005399 |           0.004923 |
+--------------------------------+-----------+--------------------+

[minikube-pr-bot]

kvm2 Driver
Times for minikube: [65.19560134500001 63.386708451000004 64.648406516]
Average time for minikube: 64.41023877066667

Times for Minikube (PR 8796): [65.944673229 66.440838214 63.75835592400001]
Average time for Minikube (PR 8796): 65.38128912233333

Averages Time Per Log

+--------------------------------+-----------+--------------------+
|              LOG               | MINIKUBE  | MINIKUBE (PR 8796) |
+--------------------------------+-----------+--------------------+
| * minikube v1.12.1 on Debian   |  0.058791 |           0.066366 |
|                           9.11 |           |                    |
| * Using the kvm2 driver based  |  0.021769 |           0.024712 |
| on existing profile            |           |                    |
| * Starting control plane node  |  0.003227 |           0.003373 |
| minikube in cluster minikube   |           |                    |
| * Creating kvm2 VM (CPUs=2,    | 41.075401 |          41.007214 |
| Memory=3700MB, Disk=20000MB)   |           |                    |
| ...                            |           |                    |
| * Preparing Kubernetes v1.18.3 | 21.357455 |          22.714768 |
| on Docker 19.03.12 ...         |           |                    |
| * Verifying Kubernetes         |  1.522425 |           1.439164 |
| components...                  |           |                    |
| * Enabled addons:              |  0.285064 |           0.044733 |
| default-storageclass,          |           |                    |
| storage-provisioner            |           |                    |
| * Done! kubectl is now         |  0.082011 |           0.076992 |
| configured to use "minikube"   |           |                    |
|                                |  0.004096 |           0.003967 |
+--------------------------------+-----------+--------------------+

docker Driver
Times for minikube: [25.688830006999996 28.093189203 26.828647982000003]
Average time for minikube: 26.870222397333333

Times for Minikube (PR 8796): [27.043089654 26.375889321000002 26.587108768999997]
Average time for Minikube (PR 8796): 26.668695914666667

Averages Time Per Log

+--------------------------------+-----------+--------------------+
|              LOG               | MINIKUBE  | MINIKUBE (PR 8796) |
+--------------------------------+-----------+--------------------+
| * minikube v1.12.1 on Debian   |  0.076683 |           0.075635 |
|                           9.11 |           |                    |
| * Using the docker driver      |  0.102017 |           0.104091 |
| based on existing profile      |           |                    |
| * Starting control plane node  |  0.058637 |           0.059174 |
| minikube in cluster minikube   |           |                    |
| * Creating docker container    |  8.395512 |           8.476831 |
| (CPUs=2, Memory=3700MB) ...    |           |                    |
| * Preparing Kubernetes v1.18.3 | 17.211969 |          16.916592 |
| on Docker 19.03.2 ...          |           |                    |
| * Verifying Kubernetes         |  0.955521 |           0.900579 |
| components...                  |           |                    |
| * Enabled addons:              |  0.004275 |           0.061287 |
| default-storageclass,          |           |                    |
| storage-provisioner            |           |                    |
| * Done! kubectl is now         |  0.062338 |           0.070874 |
| configured to use "minikube"   |           |                    |
|                                |  0.003270 |           0.003632 |
+--------------------------------+-----------+--------------------+

[medyagh]

looks good just a linting nit

[TravisBuddy]

Travis tests have failed

Hey @priyawadhwa,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

1st Build

View build log

make test

which go-bindata || GO111MODULE=off GOBIN="/home/travis/gopath/bin" go get github.com/jteeuwen/go-bindata/...
PATH="/home/travis/gopath/bin:/home/travis/.gimme/versions/go1.14.6.linux.amd64/bin:/home/travis/bin:/home/travis/bin:/home/travis/.local/bin:/usr/local/lib/jvm/openjdk11/bin:/opt/pyenv/shims:/home/travis/.phpenv/shims:/home/travis/perl5/perlbrew/bin:/home/travis/.nvm/versions/node/v8.12.0/bin:/home/travis/.rvm/gems/ruby-2.5.3/bin:/home/travis/.rvm/gems/ruby-2.5.3@global/bin:/home/travis/.rvm/rubies/ruby-2.5.3/bin:/home/travis/gopath/bin:/home/travis/.gimme/versions/go1.11.1.linux.amd64/bin:/usr/local/maven-3.6.3/bin:/usr/local/cmake-3.12.4/bin:/usr/local/clang-7.0.0/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin:/home/travis/.rvm/bin:/home/travis/.phpenv/bin:/opt/pyenv/bin:/home/travis/.yarn/bin:/home/travis/gopath/bin" go-bindata -nomemcopy -o pkg/minikube/assets/assets.go -pkg assets deploy/addons/...
gofmt -s -w pkg/minikube/assets/assets.go
which go-bindata || GO111MODULE=off GOBIN="/home/travis/gopath/bin" go get github.com/jteeuwen/go-bindata/...
/home/travis/gopath/bin/go-bindata
PATH="/home/travis/gopath/bin:/home/travis/.gimme/versions/go1.14.6.linux.amd64/bin:/home/travis/bin:/home/travis/bin:/home/travis/.local/bin:/usr/local/lib/jvm/openjdk11/bin:/opt/pyenv/shims:/home/travis/.phpenv/shims:/home/travis/perl5/perlbrew/bin:/home/travis/.nvm/versions/node/v8.12.0/bin:/home/travis/.rvm/gems/ruby-2.5.3/bin:/home/travis/.rvm/gems/ruby-2.5.3@global/bin:/home/travis/.rvm/rubies/ruby-2.5.3/bin:/home/travis/gopath/bin:/home/travis/.gimme/versions/go1.11.1.linux.amd64/bin:/usr/local/maven-3.6.3/bin:/usr/local/cmake-3.12.4/bin:/usr/local/clang-7.0.0/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin:/home/travis/.rvm/bin:/home/travis/.phpenv/bin:/opt/pyenv/bin:/home/travis/.yarn/bin:/home/travis/gopath/bin" go-bindata -nomemcopy -o pkg/minikube/translate/translations.go -pkg translate translations/...
gofmt -s -w pkg/minikube/translate/translations.go
MINIKUBE_LDFLAGS="-X k8s.io/minikube/pkg/version.version=v1.12.1 -X k8s.io/minikube/pkg/version.isoVersion=v1.12.0 -X k8s.io/minikube/pkg/version.isoPath=minikube/iso -X k8s.io/minikube/pkg/version.gitCommitID="03fd07b9a50e9c3816ceb0fc234eed52deb40307"" ./test.sh
= schema_check ==========================================================
go: downloading github.com/xeipuuv/gojsonschema v0.0.0-20180618132009-1d523034197f
go: downloading github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415
go: downloading github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f
ok
= go test ===============================================================
go: downloading github.com/pkg/errors v0.9.1
go: downloading github.com/spf13/cobra v1.0.0
go: downloading github.com/libvirt/libvirt-go v3.4.0+incompatible
go: downloading github.com/machine-drivers/machine v0.7.1-0.20200323212942-41eb826190d8
go: downloading github.com/blang/semver v3.5.0+incompatible
go: downloading k8s.io/apimachinery v0.17.3
go: downloading golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37
go: downloading sigs.k8s.io/sig-storage-lib-external-provisioner v4.0.0+incompatible
go: downloading sigs.k8s.io/sig-storage-lib-external-provisioner/v5 v5.0.0
go: downloading github.com/shirou/gopsutil v2.18.12+incompatible
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go: downloading k8s.io/klog v1.0.0
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go: downloading github.com/golang/protobuf v1.4.2
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go: downloading google.golang.org/api v0.25.0
go: downloading github.com/juju/clock v0.0.0-20190205081909-9c5c9712527c
go: downloading cloud.google.com/go/storage v1.8.0
go: downloading github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96
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go: downloading github.com/prometheus/common v0.9.1
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go: downloading k8s.io/utils v0.0.0-20200229041039-0a110f9eb7ab
go: downloading github.com/otiai10/copy v1.0.2
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go: downloading google.golang.org/grpc v1.29.1
go: downloading github.com/containerd/containerd v1.3.1-0.20191213020239-082f7e3aed57
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go: downloading go.opencensus.io v0.22.3
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go: downloading golang.org/x/text v0.3.2
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go: downloading github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd
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go: downloading golang.org/x/sys v0.0.0-20200523222454-059865788121
go: downloading github.com/googleapis/gax-go v2.0.2+incompatible
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go: downloading github.com/VividCortex/ewma v1.1.1
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ok  	k8s.io/minikube/cmd/minikube/cmd	3.563s	coverage: 19.7% of statements
ok  	k8s.io/minikube/cmd/minikube/cmd/config	0.164s	coverage: 21.5% of statements
ok  	k8s.io/minikube/pkg/addons	0.078s	coverage: 53.3% of statements
ok  	k8s.io/minikube/pkg/drivers	0.010s	coverage: 19.6% of statements
ok  	k8s.io/minikube/pkg/drivers/hyperkit	0.013s	coverage: 77.3% of statements
ok  	k8s.io/minikube/pkg/drivers/kic/oci	0.015s	coverage: 0.0% of statements
ok  	k8s.io/minikube/pkg/drivers/kvm	0.023s	coverage: 2.3% of statements
ok  	k8s.io/minikube/pkg/minikube/bootstrapper	1.129s	coverage: 55.7% of statements
ok  	k8s.io/minikube/pkg/minikube/bootstrapper/bsutil	0.102s	coverage: 62.4% of statements
ok  	k8s.io/minikube/pkg/minikube/bootstrapper/bsutil/ktmpl	0.025s	coverage: 100.0% of statements
ok  	k8s.io/minikube/pkg/minikube/bootstrapper/images	0.003s	coverage: 84.2% of statements
ok  	k8s.io/minikube/pkg/minikube/cluster	0.086s	coverage: 15.3% of statements
ok  	k8s.io/minikube/pkg/minikube/command	0.018s	coverage: 4.3% of statements
ok  	k8s.io/minikube/pkg/minikube/config	0.146s	coverage: 70.0% of statements
ok  	k8s.io/minikube/pkg/minikube/cruntime	0.054s	coverage: 36.6% of statements
ok  	k8s.io/minikube/pkg/minikube/docker	0.022s	coverage: 20.8% of statements
ok  	k8s.io/minikube/pkg/minikube/driver	0.023s	coverage: 34.9% of statements
ok  	k8s.io/minikube/pkg/minikube/extract	0.008s	coverage: 58.8% of statements
ok  	k8s.io/minikube/pkg/minikube/image	0.032s	coverage: 3.0% of statements
ok  	k8s.io/minikube/pkg/minikube/kubeconfig	0.032s	coverage: 77.0% of statements
ok  	k8s.io/minikube/pkg/minikube/localpath	0.006s	coverage: 50.0% of statements
ok  	k8s.io/minikube/pkg/minikube/logs	0.035s	coverage: 1.3% of statements
ok  	k8s.io/minikube/pkg/minikube/machine	1.361s	coverage: 37.7% of statements
ok  	k8s.io/minikube/pkg/minikube/notify	0.016s	coverage: 92.9% of statements
ok  	k8s.io/minikube/pkg/minikube/out	0.056s	coverage: 58.0% of statements
ok  	k8s.io/minikube/pkg/minikube/out/register	0.010s	coverage: 76.5% of statements
2020/07/22 19:06:35 Running: [sh -c echo hi && sleep 3 && echo hey && sleep 1]...
--- FAIL: TestTimeCommandLogs (4.02s)
    logs_test.go:42: expected log "hi" to take more time than it actually did. got 2.99932652, expected > 3
FAIL
coverage: 33.8% of statements
FAIL	k8s.io/minikube/pkg/minikube/perf	4.138s
ok  	k8s.io/minikube/pkg/minikube/problem	0.013s	coverage: 92.7% of statements
ok  	k8s.io/minikube/pkg/minikube/proxy	0.010s	coverage: 77.0% of statements
ok  	k8s.io/minikube/pkg/minikube/registry	0.009s	coverage: 75.5% of statements
ok  	k8s.io/minikube/pkg/minikube/service	0.092s	coverage: 84.2% of statements
ok  	k8s.io/minikube/pkg/minikube/shell	0.012s	coverage: 97.1% of statements
ok  	k8s.io/minikube/pkg/minikube/storageclass	0.028s	coverage: 100.0% of statements
ok  	k8s.io/minikube/pkg/minikube/sysinit	0.032s	coverage: 6.5% of statements
ok  	k8s.io/minikube/pkg/minikube/translate	0.034s	coverage: 10.5% of statements
ok  	k8s.io/minikube/pkg/minikube/tunnel	1.652s	coverage: 64.2% of statements
ok  	k8s.io/minikube/pkg/util	0.436s	coverage: 77.9% of statements
ok  	k8s.io/minikube/pkg/util/lock	0.005s	coverage: 18.2% of statements
ok  	k8s.io/minikube/pkg/util/retry	0.003s	coverage: 0.0% of statements
FAIL
Makefile:274: recipe for target 'test' failed
make: *** [test] Error 32

TravisBuddy Request Identifier: 9bf74390-cc4e-11ea-acda-6fc69b852bf0

[minikube-pr-bot]

kvm2 Driver
Times for minikube: [62.731566479000016 63.895504681999995 57.941577156]
Average time for minikube: 61.52288277233333

Times for Minikube (PR 8796): [64.070211894 65.746263648 66.247124453]
Average time for Minikube (PR 8796): 65.35453333166667

Averages Time Per Log

+--------------------------------+-----------+--------------------+
|              LOG               | MINIKUBE  | MINIKUBE (PR 8796) |
+--------------------------------+-----------+--------------------+
| * minikube v1.12.1 on Debian   |  0.053638 |           0.059256 |
|                           9.11 |           |                    |
| * Using the kvm2 driver based  |  0.017275 |           0.017607 |
| on existing profile            |           |                    |
| * Starting control plane node  |  0.002950 |           0.002889 |
| minikube in cluster minikube   |           |                    |
| * Creating kvm2 VM (CPUs=2,    | 39.261497 |          41.347617 |
| Memory=3700MB, Disk=20000MB)   |           |                    |
| ...                            |           |                    |
| * Preparing Kubernetes v1.18.3 | 20.573304 |          21.962803 |
| on Docker 19.03.12 ...         |           |                    |
| * Verifying Kubernetes         |  1.375849 |           1.626852 |
| components...                  |           |                    |
| * Enabled addons:              |  0.158993 |           0.259957 |
| default-storageclass,          |           |                    |
| storage-provisioner            |           |                    |
| * Done! kubectl is now         |  0.074875 |           0.073964 |
| configured to use "minikube"   |           |                    |
|                                |  0.004502 |           0.003590 |
+--------------------------------+-----------+--------------------+

docker Driver
Times for minikube: [27.221396802 26.621471178 25.710470266999998]
Average time for minikube: 26.517779415666666

Times for Minikube (PR 8796): [26.155598703 27.467513937 26.454692323999993]
Average time for Minikube (PR 8796): 26.692601654666664

Averages Time Per Log

+--------------------------------+-----------+--------------------+
|              LOG               | MINIKUBE  | MINIKUBE (PR 8796) |
+--------------------------------+-----------+--------------------+
| * minikube v1.12.1 on Debian   |  0.066053 |           0.067085 |
|                           9.11 |           |                    |
| * Using the docker driver      |  0.098400 |           0.097175 |
| based on existing profile      |           |                    |
| * Starting control plane node  |  0.056392 |           0.055894 |
| minikube in cluster minikube   |           |                    |
| * Creating docker container    |  8.517297 |           8.106065 |
| (CPUs=2, Memory=3700MB) ...    |           |                    |
| * Preparing Kubernetes v1.18.3 | 16.804234 |          17.385901 |
| on Docker 19.03.2 ...          |           |                    |
| * Verifying Kubernetes         |  0.822426 |           0.848990 |
| components...                  |           |                    |
| * Enabled addons:              |  0.088911 |           0.062665 |
| default-storageclass,          |           |                    |
| storage-provisioner            |           |                    |
| * Done! kubectl is now         |  0.059980 |           0.064570 |
| configured to use "minikube"   |           |                    |
|                                |  0.004087 |           0.004256 |
+--------------------------------+-----------+--------------------+