Add tkn resource create -f Option

[danielhelfand]

Closes #192

This pull request adds a tkn resource create -f option to create pipeline resources via a file definition. It draws a lot of its design from #265 and #492 and #502.

This implementation only supports YAML. It can create a pipeline resource via a definition defined in a local or remote file.

Usage:

Local file:
tkn resource create -f localfile.yaml

Remote file:
tkn resource create -f https://foo.com/remotefile.yaml

Submitter Checklist

• Includes tests (if functionality changed/added)
• Includes docs (if user facing)
• Regenerate the manpages and docs with make docs and make man if needed.
• Run the code checkers with make check
• Commit messages follow commit message best practices

Release Notes

Adding tkn resource create -f option to create pipeline resources

[tekton-robot]

The following is the coverage report on pkg/.
Say /test pull-tekton-cli-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/cmd/pipelineresource/create.go	75.9%	78.3%	2.4
pkg/cmd/pipelineresource/resource_testUtil.go	93.5%	93.3%	-0.2

[danielhelfand]

/test pull-tekton-cli-unit-tests

[danielhelfand]

/test pull-tekton-cli-unit-tests

[vdemeester]

/lgtm

[piyush-garg]

needs to be sorted

[danielhelfand]

Sorry, can you clarify? What needs to be sorted?

[piyush-garg]

import (
	"errors"
	"fmt"
	"os"
	"sort"

	"github.com/AlecAivazis/survey/v2"
	"github.com/AlecAivazis/survey/v2/terminal"
	"github.com/ghodss/yaml"
	"github.com/spf13/cobra"
	"github.com/tektoncd/cli/pkg/cli"
	"github.com/tektoncd/cli/pkg/helper/file"
	validateinput "github.com/tektoncd/cli/pkg/helper/validate"
	"github.com/tektoncd/pipeline/pkg/apis/pipeline/v1alpha1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	cliopts "k8s.io/cli-runtime/pkg/genericclioptions"
)

It should be like this

[danielhelfand]

Good catch. Not sure why gofmt didn't handle this. Pushed a change with them reordered.

[piyush-garg]

👍

[piyush-garg]

why this ?

[danielhelfand]

Rebased around 0.9.1 update, so this should be resolved.

[piyush-garg]

👍

[piyush-garg]

/lgtm

[vdemeester]

/lgtm

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: piyush-garg, vdemeester

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