Add Unit Tests for RepositoryServer Datamover

[r4rajat]

Change Overview

Add tests for RepositoryServer Datamover
Changelog:

• Instead of running Kopia Repository Server in a pod to mimick RepositoryServer CR, we're running Kopia Repository Server Locally and Performing tasks like location pull, location push and location delete

Pull request type

Please check the type of change your PR introduces:

• 🚧 Work in Progress
• 🌈 Refactoring (no functional changes, no api changes)
• 🐹 Trivial/Minor
• 🐛 Bugfix
• 🌻 Feature
• 🗺️ Documentation
• 🤖 Test

Issues

• fixes #issue-number

Test Plan

• 💪 Manual
• ⚡ Unit test
• 💚 E2E

Manual Test Steps

1) Run go test

$ cd pkg/datamover

$ go test

{"Command":"kopia --log-level=error --config-file=/tmp/kopia-repository --log-dir=/tmp/kopia-log --password=\u003c****\u003e repository create --no-check-for-updates --cache-directory=/tmp/kopia-cache --content-cache-size-mb=0 --metadata-cache-size-mb=500 --override-hostname=localhost --override-username=repositoryUser s3 --bucket=tests.kanister.io --endpoint=s3.amazonaws.com --prefix=kopia-repo-path-test/kopia-int/2023-08-29T08:48:52Z/29n4z/ --region=us-west-2","File":"pkg/kopia/command/common.go","Function":"github.com/kanisterio/kanister/pkg/kopia/command.stringSliceCommand","Line":38,"level":"info","msg":"Kopia Command","time":"2023-08-29T14:18:52.312648487+05:30"}
{"Command":"kopia --log-level=error --config-file=/tmp/kopia-repository --log-dir=/tmp/kopia-log server start --tls-generate-cert --address=https://0.0.0.0:54985 --tls-cert-file=/tmp/check-3731972233801028407/0/tls-fk9vv.cert --tls-key-file=/tmp/check-3731972233801028407/0/tls-fk9vv.key --server-username=user@localhost --server-password=\u003c****\u003e --server-control-username=user@localhost --server-control-password=\u003c****\u003e --no-grpc \u003e /dev/null 2\u003e\u00261 \u0026","File":"pkg/kopia/command/common.go","Function":"github.com/kanisterio/kanister/pkg/kopia/command.bashCommand","Line":33,"level":"info","msg":"Kopia Command","time":"2023-08-29T14:19:05.863662702+05:30"}
{"Command":"kopia --log-level=error --config-file=/tmp/kopia-repository --log-dir=/tmp/kopia-log --password=\u003c****\u003e server user add testuser@localhost --user-password=\u003c****\u003e","File":"pkg/kopia/command/common.go","Function":"github.com/kanisterio/kanister/pkg/kopia/command.stringSliceCommand","Line":38,"level":"info","msg":"Kopia Command","time":"2023-08-29T14:19:05.865403842+05:30"}
{"Command":"kopia --log-level=error --config-file=/tmp/kopia-repository --log-dir=/tmp/kopia-log --password=\u003c****\u003e server refresh --server-cert-fingerprint=\u003c****\u003e --address=https://0.0.0.0:54985 --server-username=user@localhost --server-password=\u003c****\u003e","File":"pkg/kopia/command/common.go","Function":"github.com/kanisterio/kanister/pkg/kopia/command.stringSliceCommand","Line":38,"level":"info","msg":"Kopia Command","time":"2023-08-29T14:19:13.628062139+05:30"}
Snapshotting testuser@localhost:/tmp/check-3731972233801028407/1 ...

Created snapshot with root k548573d97ba28e153a9370afc1217783 and ID 45c9ad46de4cfc98bac32428bd71ed39 in 3s
###Phase-output###: {"key":"kandoOutput","value":"{\"id\":\"45c9ad46de4cfc98bac32428bd71ed39\",\"logicalSize\":0,\"physicalSize\":0}"}
OK: 2 passed
PASS
ok      github.com/kanisterio/kanister/pkg/datamover    42.684s

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[kale-amruta]

Left few comments

[kale-amruta]

lgtm

[PrasadG193]

Should we have a check if the error is due to the repo doesn't exist or some other error?

[r4rajat]

Done

[PrasadG193]

We can create maintain a map and check for the key

[r4rajat]

Done

[PrasadG193]

LGTM